Answer: 2540
Step-by-step explanation: 1350-80=1270. 1270/0.5=2540
Change 0.182 0.005 0.050 0.174 Table 10-3. Regression results for predicting depression at wave 2 Predictor Variable b Beta P R? Depression Score Wave 1 0.267 0.231 0.000 0.182 Sociodemographic Age -0.014 -0.024 0.538 0.187 Sex 0.165 0.034 0.370 Psychologic Health Neuroticism, wave 1 0.067 0.077 0.056 0.0237 Past history of depression 0.320 0.136 0.000 Physical Health ADL, wave 1 -0.154 0.103 0.033 0.411 ADL, Wave 2 0.275 0.283 0.012 ADL?, wave 2 -0.013 --0.150 0.076 Number of current 0.115 0.117 0.009 symptoms, wave 2 Number of medical 0.309 0.226 0.000 conditions, wave 2 BP, systolic, wave 2 -0.010 -0.092 0.010 Global health rating 0.284 0079 0.028 change Sensory impairment -0.045 -0.064 0.073 change Social support inactivity Social support-friends, -1.650 -0.095 0.015 0.442 wave 2 Social support-visits, -1.229 -0.087 0.032 wave 2 Activity level, wave 2 0.061 0.095 0.025 Services (community residents 0.207 0.135 0.001 0.438° only), wave 2 Abhreviation: BP = blood pressure 0.031 0.015€ Based on above MLRA summary Table, which of following independent variables is the strongest predictor (or factor)?
Number of medical conditions, wave 2
Number of current symptoms, wave 2
Global health rating change
Past history of depression
ADL, wave 2
The regression result of 0.320, the beta of 0.136, and the p-value of 0.000.
The strongest predictor in the MLRA summary Table is past history of depression. This is shown by the regression result of 0.320, the beta of 0.136, and the p-value of 0.000. This means that past history of depression has a strong and statistically significant influence on predicting depression at wave 2.
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Maria purchased 1,000 shares of stock for $35. 50 per share in 2014. She sold them in 2016 for $55. 10 per share. Express her capital gain as a percent, rounded to the nearest tenth of a percent
Maria's capital gain is 55.21%. Rounded to the nearest tenth of a percent, this is 55.2%.
To determine Maria's capital gain as a percent, we need to calculate the difference between the selling price and the purchase price, and then express this difference as a percentage of the purchase price.
The purchase price for 1,000 shares of stock was:
$35.50 x 1,000 = $35,500
The selling price for 1,000 shares of stock was:
$55.10 x 1,000 = $55,100
The capital gain is the difference between the selling price and the purchase price:
$55,100 - $35,500 = $19,600
To express this gain as a percentage of the purchase price, we divide the capital gain by the purchase price and multiply by 100:
($19,600 / $35,500) x 100 = 55.21%
In summary, to calculate the percent capital gain from the purchase and selling price of a stock, we simply divide the difference between the two prices by the purchase price and multiply by 100.
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Find an expression that is equivalent to (a - b) ^ 3
An expression equivalent to (a - b)³ is a³ - 3a²b + 3ab² - b³.
What other expressions are the same as 2 5?The fractions 4/10, 6/15, 8/20, etc. are identical to 2/5. In the reduced form, equivalent fractions have the same value. Explanation: When writing equivalent fractions, the numerator and denominator should be multiplied or divided by the same number.
One way to expand (a - b)³ is to use the binomial formula:
(a - b)³ = C(3,0) * a³ * (-b)^0 + C(3,1) * a² * (-b) + C(3,2) * a * (-b)² + C(3,3) * a * (-b)³
where C(n,k) denotes the number of ways there are to select k objects from a set of n objects, and "n choose k" is the binomial coefficient.
Simplifying the above expression, we get:
(a-b)³ = a³-3a²b+3ab²-b³.
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Harmonicas. When ordering a new box of harmoniens, let X denote the time until the box arrives, and let y denote the number of harmonicas that work properly. Is X a continuous or discrete random variable? Why? Is Y a continuous or discrete random variable? Why?
X is a discrete random variable and Y is a discrete random variable because they both measure countable values rather than continuous values.
X is a discrete random variable because the time until the box arrives is measured in discrete, countable intervals such as days, weeks, or months. Y is a discrete random variable because the number of harmonicas that work properly is a countable number, rather than a continuous, measured value.
For example, the box could arrive in one week, or it could arrive in one month. Therefore,[tex]X[/tex] is discrete. Similarly, Y is discrete because there will be a certain number of harmonicas that work properly, such as 12, 15, 20, etc. So, Y is also discrete.
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1) Scott and Tom rent a boat at Stow Lake. They start at 10:15 and end at 11:45. The boat
rental costs $1.50 for every 15 minutes. How much will they pay?
Answer:
$9
Step-by-step explanation:
We know
They start at 10:15 and end at 11:45. It is 1 hour 30 minutes long.
1 hour 30 minutes = 90 minutes
The boat rental costs $1.50 for every 15 minutes.
How much will they pay?
We Take
90 divided by 15, then time 1.50 = $9
So, they pay $9
Answer:
Scott and Tom will pay a total of $9 for the boat rental.
Step-by-step explanation:
If Scott and Tom rent the boat between 10:15 and 11:45, then the total time they rented the boat is 1 hour and 30 minutes.
To convert 1 hour and 30 minutes to units of 15 minutes, we can divide the total number of minutes by 15:
⇒ 1 hour = 60 minutes
⇒ 1 hour and 30 minutes = 60 + 30 = 90 minutes
⇒ 90 minutes / 15 minutes = 6
Therefore, there are 6 units of 15 minutes in 1 hour and 30 minutes.
Given the cost for renting the boat is $1.50 per 15-minute interval, the total cost for renting the boat is:
⇒ 6 × $1.50 = $9
Therefore, Scott and Tom will pay $9 for the boat rental.
Help due soon !!!!!!!!!
An expression for the length of the rectangle in terms of A is [tex]$\boxed{L=x+5}$[/tex]
How to find the expression?We are given that the area of a rectangle is [tex]$A=x^2+x-15$[/tex], and we want to find an expression for the length of the rectangle in terms of A.
Recall that the area of a rectangle is given by the formula: [tex]$A=L\cdot W$[/tex], where L is the length and W is the width. We can use this formula to write L in terms of A and W as [tex]$L=\frac{A}{W}$[/tex].
We know that the rectangle has a length and a width, so we need to find an expression for the width W in terms of A. We can rearrange the given formula for A to solve for W:
[tex]&& \text{(substitute }L=x+5\text{)}[/tex]
[tex]W&=\frac{x^2+x-15}{x+5} && \text{(divide both sides by }x+5\text{)}[/tex]
Now that we have an expression for W in terms of A, we can substitute it into our expression for L to get:
[tex]L&=\frac{A}{W}[/tex]
[tex]&=\frac{x^2+x-15}{\frac{x^2+x-15}{x+5}} && \text{(substitute the expression we found for }W\text{)}\&=x+5[/tex]
Therefore, an expression for the length of the rectangle in terms of A is [tex]$\boxed{L=x+5}$[/tex]
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P=
500(1.035)"
The value, P, in dollars, of $500 invested in an account earning interest at a constant rate,
compounded annually, after n years is given by the equation shown above, assuming no
additional investments or withdrawals are made. What is the annual interest rate on the account,
in percent? (Ignore the % symbol when entering your answer. For example, if the answer is
11.2%, enter 11.2.)
Answer:
%
The annual interest rate, r, is calculated using the equation:
P = 500(1 + r)^n
We can then rearrange the equation to calculate the value of r:
r = (P/500)^(1/n) - 1
Therefore, substituting the given value of P, we can calculate the annual interest rate as:
r = (500(1.035))^(1/n) - 1
r = (517.5)^(1/n) - 1
r = 0.035^(1/n) - 1
r = 0.035^(1/n) - 1
r = 11.2%
Help, can anyone solve this problem?
the width of the land is reduced by the same percentage as the area.
What is a rectangle?
A rectangle is a four-sided flat shape in which the opposite sides are parallel and equal in length.
To solve this problem, we can use the formula for the area of a rectangle:
Area = length x width
We know that the area of the tennis court is 260.7569 m and the width of the court is 10.97 m. Using these values, we can find the length of the court:
260.7569 = length x 10.97
length = 260.7569 / 10.97
length = 23.7806 m
So, the length of the tennis court is 23.7806 m.
To find the area of the court without the white bands, we need to reduce the length by the width of the bands on top and bottom.
10.97 - (1.37 x 2) = 8.23 m
To find the effective length of the court, we need to reduce the length by 25% of its original value:
length without bands = length - (25% x length)
length without bands = 23.7806 - (0.25 x 23.7806)
length without bands = 17.83545 m
Now, we can find the area of the court without the white bands:
Area without bands = length without bands x effective width
Area without bands = 17.83545 x 8.23
Area without bands = 146.82277 m
Therefore, the area of the court without the white bands is 146.82277 m².
To determine whether the width of the land is also reduced by 25%, we can compare the effective width of the court with the original width:
Effective width = 8.23 m
Original width = 10.97 m
To find the percentage change in width, we can use the formula:
% change = (|new value - old value| / old value) x 100%
% change = (|8.23 - 10.97| / 10.97) x 100%
% change = 25%
The percentage change in width is 25%, which means that the width of the land is reuced by 25% when we do not use the white bands.
Therefore, the width of the land is reduced by the same percentage as the area.
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The Law of Sines says that for a given triangle, _____.the sine values of all three internal angles will be the samethe sine values of all three internal angles will be proportional to each otherthe ratio between the sine of the angle and the opposite side will match for all three internal anglesthe sine values of all three angles will be different
The Law of Sines says that for a given triangle, the ratio between the sine of an angle and the length of the opposite side is the same for all three angles in a triangle. the sine values of all three internal angles will be the samethe sine values of all three internal angles will be proportional to each otherthe ratio between the sine of the angle and the opposite side will match for all three internal anglesthe sine values of all three angles will be different
In a triangle, we have three angles and three sides. The Law of Sines says that for any triangle, the ratio between the sine of an angle and the length of the opposite side will be the same for all three angles. In other words, the sine values of each angle are proportional to the length of the opposite side.
To put this in mathematical terms, let's consider a triangle with angles A, B, and C, and sides a, b, and c respectively. The Law of Sines can be written as:
sin(A)/a = sin(B)/b = sin(C)/c
This means that if we know the length of any two sides and the measure of the angle opposite one of those sides, we can use the Law of Sines to find the measure of the other angles and sides.
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in the united states, 44% of adults have type O blood. You will choose 32 US adults at random until you find one with type O blood. What is the probability. a It takes 4 people to find one with type O blood
The probability that it takes 4 people to find one with type O blood is approximately 0.0938 or 9.38%.
What are the three kinds of probability?Probability is classified into three types:
Classical: (equally probable outcomes) (equally probable outcomes).Definition of Relative Frequency.Probability that is subjective.A randomly selected US adult has a 44% chance of having type O blood. This probability is denoted by the letter p.
The likelihood that the first person you choose does not have type O blood is 1-p (or 56% in this case).
To calculate the probability that it takes exactly four people to find one with type O blood, multiply the odds of the first three people not having type O blood (1-p) by the odds of the fourth person having type O blood (p).
As a result, the likelihood is:
(1-p) * (1-p) * (1-p) * p
= (0.56) * (0.56) * (0.56) * (0.44) (0.44)
= 0.0938
As a result, the probability of finding someone with type O blood is approximately 0.0938, or 9.38%.
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how can you convert a given number of fluid ounces to find equivalent number of cups explian
Step-by-step explanation:
There are 8 fluid ounces in a cup....
divide the number of ounces by 8 to find the number of cups
# ounces / 8 ounces/cup = cups
If tan theta=5/6 and tan gamma=1/11 the show that (theta + gamma)=180/4
(theta + gamma) = 45 degrees, which is equal to 180/4.
Property of right-angled triangle.tangent of an angle is defined as the ratio of the opposite side to the adjacent side of a right-angled triangle.
Let's consider a right-angled triangle ABC, where angle B is 90 degrees, and angle A(theta ) and angle C(gamma) are the angles whose tangent values are given.
Using the given information, we can say that:
tan(A) = 5/6
tan(C) = 1/11
We can now use the following trigonometric identity:
tan(A + C) = (tan(A) + tan(C)) / (1 - tan(A) * tan(C))
Substituting the given values, we get:
tan(A + C) = (5/6 + 1/11) / (1 - 5/6 * 1/11)
tan(A + C) = (55/66 + 6/66) / (66/66 - 5/66)
tan(A + C) = 61/61 = 1
Now, we know that:
tan(180/4) = tan(45) = 1
Therefore, we can conclude that:
A + C = 180/4 = 45 degrees
Hence, we have shown that (theta + gamma) = 45 degrees, which is equal to 180/4.
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Regina is trying to figure out if AABC and ADEF are congruent. She already knows that AC is the same length as DF, and ZA is the same measure as ZD.
Jared tells her that if ZB and ZE are the same measure, she'll know the triangles are congruent.
Isaac tells her that if BC and EF are the same length, she'll know the triangles are congruent.
E
Who is correct?
A. Jared only
B. Isaac only
C. Both
D. Neither
The relationship between the sides and angles of the triangles indicates that the information provided by Jared, satisfies the Side-Angle-Angle, SAA congruence rule, therefore, Jared only is correct. The correct option is therefore;
A. Jares only
What are congruent triangles?Congruent triangles are triangles that have both the same shape and size.
The specified information are;
Regina is trying to figure out if triangles ΔABC and ΔDEF are congruent
Regina knows that side AC is the same length as DF, therefore;
AC ≅ DF
∠A is the same measure as ∠D, therefore; m∠A = m∠D
The information Jared tells Regina is; If ∠B and ∠E are the same measure, Regina will know that the triangles are congruent.
The information Isaac tells here is; If BC and EF are the same length, she'll know that the triangles are congruent
In ΔABC and ΔDEF, AC ≅ DF, m∠A = m∠D
The relationship between the triangles if ∠B and ∠E are congruent therefore is; Side-Angle-Angle, SAA, which is a condition for congruence, therefore, Jared is correct
The relationship between the triangles if BC is congruent to EF is Side-Angle-Angle, SAA, which is not a condition for congruence, therefore, Isaac is not correct
Therefore, Jared only is correct. The correct option is option A.
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julie buys 19 identical calculators the total cost is £143.64wirk out the total cost of 31 of these calculaters
Answer:
£234.36
Step-by-step explanation:
Question 9(Multiple Choice Worth 2 points)
(Irrational Numbers LC)
Describe in words where √63 would be plotted on a number line.
O Between 3 and 4, but closer to 3
O Between 3 and 4, but closer to 4
O Between 2 and 3, but closer to 2
O Between 2 and 3, but closer to 3
Smoothie activity
The smoothie chain makes mulliole SO.15 increases to the average prices of their smoothies. The table shows the average profit of the chain compared to the number of price increases. The data models a quadratic function.
y = 5x² + 25x + 100 is the quadratic function that models the data.
What does a math quadratic equation mean?x ax² + bx + c = 0 is a quadratic equation, which is a second-order polynomial equation in a single variable. a 0.Since it is a second-order polynomial equation, which is ensured by the algebraic fundamental theorem, it must have at least one solution.
We must employ the quadratic equation's general form in order to identify the quadratic function that best represents this data:
y = ax²+ bx + c
Three data points are available from the table: (0, 100), (1, 130), and (2, 140).
100 = a(0)² + b(0) + c
130 = a(1)² + b(1) + c
140 = a(2)² + b(2) + c
Simplifying each equation, we get:
c = 100
a + b + c = 130
4a + 2b + c = 140
Substituting c = 100 into the second and third equations, we get:
a + b = 30
4a + 2b = 40
The first equation's solution for b in terms of an is as follows:
b = 30 - a
This results from substituting this into the second equation:
4a + 2(30 - a) = 40
By condensing and figuring out a, we get at:
a = 5
Adding a = 5 to the first equation results in:
b = 25
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What property of real numbers does each statement demonstrate? (3 + 4) + 1 = 3 + (4 + 1)
Answer: Associative property
Step-by-step explanation:
The definition of the associative property is the answer is the same no matter how the terms are grouped. Hope this helped!
El area de un rectángulo es 216 m² y su base es 6m mayor que su altura. Determina sus dimensiones recordando la ecuación de segundo grado de la forma ax² + bx + c = 0 y se resuelve con los formula general
Answer:
[tex]base = 18 m\\\\altura= 12 m[/tex]
Step-by-step explanation:
Disclaimer: My Spanish is not great so I used a translation tool. Please let me know if it is understandable. I think the equations are understandable.
Area = 216 m²
Sea base = b m y altura = h m
[tex]Area = bh[/tex]
So
[tex]bh = 216[/tex]
base = 6 m mayor que la altura
[tex]b = h + 6[/tex]
Así que sustituyendo b en la fórmula bh = 216 da
[tex]b h = 216[/tex]
⇒ [tex](h + 6)h = 216[/tex]
⇒ [tex]h^2 + 6h = 216[/tex]
⇒ [tex]h^2 + 6h - 216 = 0[/tex] [1]
Esta es una ecuación cuadrática que se puede resolver usando fórmulas cuadráticas o factorizando. Aquí se nos pide que utilicemos la fórmula general
Para una ecuación cuadrática general de la forma
[tex]ax^2 + bx + c = 0[/tex]
hay dos soluciones dadas por la fórmula cuadrática
[tex]x = \dfrac{ -b \pm \sqrt{b^2 - 4ac}}{ 2a }[/tex]
En este problema, comparando [tex]ax^2 + bx + c = 0[/tex] a [tex]h^2 + 6h - 216 = 0[/tex] :
[tex]a = 1\\b = 6\\c = -216\\[/tex]
Reemplaza estos valores en las fórmulas cuadráticas y resuelve para h
[tex]h = \dfrac{ -b \pm \sqrt{b^2 - 4ac}}{ 2a }[/tex]
[tex]h = \dfrac{ -6 \pm \sqrt{6^2 - 4(1)(-216)}}{ 2(1) }[/tex]
[tex]h = \dfrac{ -6 \pm \sqrt{36 - -864}}{ 2 }[/tex]
[tex]h = \dfrac{ -6 \pm \sqrt{900}}{ 2 }[/tex]
[tex]h = \dfrac{ -6 \pm 30\, }{ 2 }[/tex]
[tex]h = \dfrac{ 24 }{ 2 } \; \; \; h = -\dfrac{ 36 }{ 2 }[/tex]
que se convierte
[tex]h = 12[/tex]
[tex]h = -18[/tex]
Como no podemos tener altura negativa, la solución es
[tex]h = 12[/tex] m
Desde b = h + 6,
[tex]b = 12 + 6 = 18 m[/tex]
#HELP! I WILL MAKE U BRAINLIST!
Answer:
x = 1.5
y = 12.99
Step-by-step explanation:
let's call cost of 1 song is x and cost of 1 album is 6
6x + y = 21.99
4x + 3y = 44.97
6x + y = 21.99 => y = -6x + 21.99
Substitute into 4x + 3y = 44.97
4x + 3(-6x + 21.99) = 44.97
4x - 18x + 65.97 = 44.97
-14x = -21
x = -21/-14 = 1.5
y = -6x + 21.99 = -6(1.5) + 21.99 = 12.99
when calculating confidence intervals in this class the product of a constant times a margin of error is added and subtracted to what value to obtain the ci range? group of answer choices mean standard deviation alpha median
The confidence interval is calculated by adding and subtracting the product of a constant (usually 1.96), the margin of error, and the mean.
The constant times the margin of error is added and subtracted from the sample mean to obtain the confidence interval range.
A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean.
A low standard deviation means data are clustered around the mean, and a high standard deviation indicates data are more spread out.
The constant is determined by the confidence level of your analysis (typically 95%) and the margin of error is determined by the standard deviation and the size of your sample.
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Determine the area of the shaded regions in the figures below. Write the final polynomial in standard form
Answer:
for the tringle:
area=[tex]p^{2} -2p-3[/tex]
for the frame:
area=[tex]8x+28[/tex]
Step-by-step explanation:
For the tringle:-
Area=1/2bh
Area=1/2(2p-6)(p+1)
Area=1/2([tex]2p^{2} -4p-6[/tex])
Area=[tex]p^{2} -2p-3[/tex]
For the picture frame:-
part 1:the area of the big frame
Area=lw
Area=(x+7)(x+4)
Area=[tex]x^{2} +11x+28[/tex]
part 2:the area of the small frame
Area=lw
Area=(x+3)(x)
Area=[tex]x^{2} +3x[/tex]
To find the area of the shaded regions:
Area of shaded region=area of the big frame-the area of the small frame
Area of shaded region=[tex](x^{2} +11x+28)-(x^{2} +3x)[/tex]
Area of shaded region=[tex]8x+28[/tex]
You may need to use the appropriate appendix table to answer this question. Suppose that the mean daily viewing time of television is 8.35 hours. Use a normal probability distribution with a standard deviation of 2.5 hours to answer the following questions about daily television viewing per household (a) What is the probability that a household views television between 5 and 11 hours a day? (Round your answer to four decimal places.) Incorrect: Your answer is incorrect. (b) How many hours of television viewing must a household have in order to be in the top 3% of all television viewing households? (Round your answer to two decimal places.) Incorrect: Your answer is incorrect. hrs (c) What is the probability that a household views television more than 3 hours a day? (Round your answer to four decimal places.) Incorrect: Your answer is incorrect.
The probability that a household views television between 5 and 11 hours a day is approximately 0.7291, and that a household views television more than 3 hours a day is approximately 0.9830.
(a) To find the probability that a household views television between 5 and 11 hours a day, we need to find the area under the normal distribution curve between the values of 5 and 11, with a mean of 8.35 and a standard deviation of 2.5. We can use a standard normal distribution table or calculator to find the corresponding probabilities.
First, we need to standardize the values of 5 and 11 using the formula:
z = (x - μ) / σ
where z is the standardized score, x is the value we want to standardize, μ is the mean, and σ is the standard deviation.
For x = 5: z = (5 - 8.35) / 2.5 = -1.34
For x = 11: z = (11 - 8.35) / 2.5 = 1.06
Using a standard normal distribution table, we can find the area under the curve between z = -1.34 and z = 1.06 to be approximately 0.7291.
Therefore, the probability that a household views television between 5 and 11 hours a day is approximately 0.7291.
(b) To find how many hours of television viewing a household must have in order to be in the top 3% of all television-viewing households, we need to find the z-score corresponding to the top 3% of the distribution, and then use the formula:
z = (x - μ) / σ
to solve for x, where x is the number of hours of television viewing and μ and σ are the mean and standard deviation of the distribution, respectively.
Using a standard normal distribution table, we can find that the z-score corresponding to the top 3% of the distribution is approximately 1.88.
Therefore, we can solve for x as follows:
1.88 = (x - 8.35) / 2.5
x - 8.35 = 4.7
x = 13.05
Therefore, a household must view more than 13.05 hours of television per day to be in the top 3% of all television-viewing households.
(c) To find the probability that a household views television more than 3 hours a day, we need to find the area under the normal distribution curve to the right of the value of 3, with a mean of 8.35 and a standard deviation of 2.5. We can again use a standard normal distribution table or calculator to find the corresponding probability.
First, we need to standardize the value of 3 using the formula:
z = (x - μ) / σ
where z is the standardized score, x is the value we want to standardize, μ is the mean, and σ is the standard deviation.
For x = 3: z = (3 - 8.35) / 2.5 = -2.14
Using a standard normal distribution table, we can find the area under the curve to the right of z = -2.14 to be approximately 0.9830.
Therefore, the probability that a household views television more than 3 hours a day is approximately 0.9830.
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Question
Find the value of y
for the given value of x
.
y=x+5;x=3
Answer: y is equal to 8
Step-by-step explanation:
by substituting the x for its vale of three we can add the two values to get 8 or y=8
A right triangular prism is shown.
A right triangular prism is shown. The right triangles have sides with lengths 15 and 8. The hypotenuse has a length of 17. The height of the prism is 15.
What is the volume of the prism?
900 cubic units
1,020 cubic units
1,800 cubic units
2,312 cubic units
Therefore , the solution of the given problem of volume comes out to be the response is 900 cubic units.
What precisely is volume?A three-dimensional object's volume, which is expressed in cubic units, indicates how much space it takes up. These symbols for cubic dimensions are liter and in3. However, understanding an object's volume is necessary to calculate its measurements. It is standard practice to convert the weight of an object into mass units like grams and kilograms.
Here,
The formula V = Bh, when B is the area of the bottom and h is the height of the prism, determines the volume of a right triangle prism.
The prism has an area of because its foundation is a right triangle with 8 and 15-foot-long legs.
=> B = (1/2)bh = (1/2)(8)(15) = 60
The prism's height is specified as 15 inches.
As a result, the prism's capacity is:
=> 900 cubic units are equal to V = Bh = 60(15).
Therefore, the response is 900 cubic units.
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Answer:
900 cubic units
Step-by-step explanation:
I need help
Which situation best represents the equation below?
26-179-9k
A. A pool of water has 26 gallons of water in it. It is filled at a rate of 9 gallons per minute, until there are 179
gallons.
B. A dairy farm has 179 cows in it. All of the cows are placed in groups of nine. There are 26 groups of cows.
C. There were 26 boxes for delivery at the post office one morning. By the end of the day, 179 boxes had been
added to the delivery pile. The boxes will be delivered in groups of k
D. A school assembly has 179 students in it. Nine teachers escort k number of students out of the assembly.
until there are 26 students remaining.
In linear equatiοn, A schοοl assembly has 179 students in it. Nine teachers escοrt k number οf students οut οf the assembly, until there are 26 students remaining.
What is a linear equatiοn in math?A linear equatiοn is an algebraic equatiοn that οnly has a cοnstant and a first-οrder (linear) term, such as y=mx+b, where m is the slοpe and b is the y-intercept. A "linear equatiοn οf twο variables" in which x and y are the variables is a term that is sοmetimes used tο refer tο the afοrementiοned situatiοn.
Mοdel equatiοn fοr the situatiοn
The equatiοn fοr the situatiοn is given as;
26 = 179 - 9k
Frοm the equatiοn abοve, 26 is the result οf the difference between "179" and "9k".
Thus, the situtatiοn that bets represent the equatiοn is, a schοοl assembly has 179 students in it. Nine teachers escοrt k number οf students οut οf the assembly, until there are 26 students remaining.
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What are all of the solutions to the equation (cos θ)(cos θ) + 1 = (sin θ)(sin θ)?
Answer: Starting with the given equation:
(cos θ)(cos θ) + 1 = (sin θ)(sin θ)
We can use the identity cos² θ + sin² θ = 1 to rewrite the right-hand side:
(cos θ)(cos θ) + 1 = 1 - (cos θ)(cos θ)
Combining like terms, we get:
2(cos θ)(cos θ) = 0
Dividing both sides by 2, we get:
(cos θ)(cos θ) = 0
Taking the square root of both sides, we get:
cos θ = 0
This equation is true for θ = π/2 + kπ, where k is any integer. So the solutions to the equation are:
θ = π/2 + kπ, where k is any integer.
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Step-by-step explanation:
please help asap thanks!
Express the ratio of A's to N's in the word BANANA, in simplest form.
CHOICES!
2:3
1:2
3:2
2:1
Answer:
[tex]3:2[/tex]
Step-by-step explanation:
It is [tex]3:2[/tex] because there are 3 a's in banana, and 2 n's in banana. The question asks the ratio of a's to n's so the number of a's should come first and then the number of n's should come next.
The image shows the Transamerica Building in San Francisco. It's shaped like a pyramid. The bottom floor of the building is a rectangle measuring approximately 53 meters by 44 meters. The top floor of the building is a dilation of the base by scale factor k = 0.32.
Ignoring the triangular "wings" on the sides, what is the area of the top floor? Explain or show your reasoning.
The area of the top floor can be found by using the formula A = k2A0, where A0 is the area of the base and k is the scale factor.
What is area?Area is a quantity that expresses the size or extent of a two-dimensional figure or shape, or planar lamina, in the plane. It can be thought of as the amount of material with a given thickness that would be necessary to fashion a model of the shape, or the amount of paint necessary to cover the surface with a single coat. It is the two-dimensional analog of the length of a curve or the volume of a solid.
Since the base is a rectangle with dimensions of 53 meters by 44 meters, the area of the base is 2,332 square meters. Multiplying this by the scale factor of 0.32², we get the area of the top floor to be 147.84 square meters.
To further explain the calculation, we can use the Pythagorean theorem. The base rectangle can be divided into two right triangles, one with a base of 53 meters and a height of 44 meters, and another with a base of 44 meters and a height of 53 meters. Using the Pythagorean theorem, the hypotenuse of each triangle can be calculated to be 65.33 meters. Multiplying this by the scale factor of 0.32, we get the hypotenuse of the top floor, which is 20.8 meters. Then, using the Pythagorean theorem again, we can calculate the lengths of the sides of the top floor triangle to be 13.12 meters and 16.64 meters. Finally, using the formula for the area of a triangle (A = 0.5bh), we get the area of the top floor triangle to be 107.31 square meters. Since the top floor is composed of two triangles, the total area of the top floor is 214.62 square meters, which is close to the value obtained by using the scale factor.
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The area of the top floor of the Transamerica Building is 60.4 m2.
What is area?Area is a quantity that expresses the size or extent of a two-dimensional figure or shape, or planar lamina, in the plane. It can be thought of as the amount of material with a given thickness that would be necessary to fashion a model of the shape, or the amount of paint necessary to cover the surface with a single coat. It is the two-dimensional analog of the length of a curve or the volume of a solid.
The area of the top floor can be calculated by using the formula for the area of a dilation of a rectangle. The area of the top floor is calculated by multiplying the area of the bottom floor by the scale factor cubed. The area of the bottom floor is 53 * 44 = 2312 m2. The scale factor cubed is 0.32^3 = 0.0262. The area of the top floor is then 2312 * 0.0262 = 60.4 m2.
To explain the reasoning, a dilation of a rectangle is a scaled version of the original rectangle. When the scale factor is a fraction, the new area is the original area multiplied by the scale factor cubed. This is because when a rectangle is dilated, each side is multiplied by the same scale factor. Thus, the area is multiplied by the scale factor squared, and then again by the same scale factor, which results in the area being multiplied by the scale factor cubed.
Therefore, the area of the top floor of the Transamerica Building is 60.4 m2.
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Solve for C.
16
17
8
C = [?]°
Round your final answer
to the nearest tenth.
Law of Cosines: c² = a² + b² - 2ab-cosC
69.1° is the value of C by Law of Cosines .
What is the cosine law?
The formula for the Law of Cosines is c2=a2+b22ab cosC. With the exception of the third component, which equals 0 if C is a right angle because the cosine of 90° is 0 and we have the Pythagorean Theorem, this is similar to the Pythagorean Theorem.
The Law of Cosines is given as
c² = a² + b² - 2ab-cosC
substitute the values in a, b, c
Plugging in given values, we get
16² = 8² + 17² - 2 . 8 . 17 . cosC
256 = 64 + 289 - 272. CosC
256 = 353 - 272 . cosC
256 - 353 = 272 . CosC
-97 = 272 . CosC
cosC = -97/-272
C = across(97/272)
C = 69.1°
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Answer:
C= 83.04
Step-by-step explanation:
human blood is grouped into four types. the percentages of americans with each type are listed below. o 43% a 40% b 12% ab 5% choose one american at random. find the probability that this person a. has type b blood b. has type ab or o blood c. does not have type o blood
a. The probability of a randomly selected American having type B blood is 12%.
b. The probability of a randomly selected American having type AB or O blood is 48%.
c. The probability of a randomly selected American not having type O blood is 55%.
Human blood is categorized into four types which are A, B, AB, and O. The percentages of Americans who have each of the four types are given below:
O - 43% A - 40% B - 12% AB - 5%
To calculate probabilities for various scenarios, we can use these percentages as follows.
a. The probability of a randomly selected American having type B blood is 12%.
b. The probability of a randomly selected American having type AB or O blood is 48%. The combined percentage of O and AB blood types is 48%. We can therefore say that the probability of an American having O or AB blood is 48%.
c. The probability of a randomly selected American not having type O blood is 55%. The percentage of Americans who don't have type O blood is the sum of percentages of A, B, and AB blood types, which is Hence, the probability of not having O blood is lower than 57%. Therefore, the probability of a randomly selected American not having type O blood is 57%.
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