Answer:- Hence, the combination will maximize total utility is [tex]12.[/tex]
Step-By-Step-Explanation:-
What is cost?
Cost is the amount of money you spent to make the product or service. Price is what you will charge for it.
Here given that,
The cups and plates budget is [tex]$18 (3 plates x $6 each + 6 cups x $3 each)[/tex]
Then the utility for the combination is [tex]12 (3 plates x 4 utility each + 6 cups x 2 utility each).[/tex]
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what is 2 times 2x ??
Answer:
4x
Step-by-step explanation:
2 X 2x = 2x+2x= 4x
Answer:
4x
Step-by-step explanation:
So when you multiply 2×2=4
And since it's multiplication you can add the x to it giving you 4x(if it's addition you can't add them because they aren't like terms)
3x≥12.
resultats ???
[tex]\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} →}[/tex]
x >= 4
Step-by-step explanation:
3x >= 12
x >= 4
this is nothing but → x ≈ (∞ , 4]
Hope it helps you ~Combine like terms to simplify the expression completely. 2x + 5 - y + 6x + 4y =
Thus, the simplification of linear expression is : 8x + 3y +5 .
Explain about the simplification of linear equation?A linear equation is an integer number of the form y=mx+b, where m represents the slope when b is the y-intercept, and only a constant alongside a first-order (linear) term are included.
To simplify the linear equation-
Add or remove like terms from a linear expression to make it simpler. Contrary terms are not added to or withdrawn from. Reduce common factors and add brackets to factorise. Add like terms together and multiply all terms inside brackets by the term outside to expand.
Given linear equation-
= 2x + 5 - y + 6x + 4y
Add like term with same variable.
= 8x + 3y +5
Thus, the simplification of linear expression is : 8x + 3y +5 .
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2. What are the values of a and b?
10
6
8
b
a
(1 point)
Answer:
a=9/3,b=15/2 using some postulate you will get answer like sss,sas,aa.
Pablo needs to memorize words on a vocabulary list for Latin class he has 12 words to memorize and he is 3/4 done how many words has Pablo memorized so far
Answer:
9 words
Step-by-step explanation:
We know
He has 12 words to memorize, and he is 3/4 done.
How many words has Pablo memorized so far?
We Take
12 x 3/4 = 9 words
So, Pable has memorized 9 words.
Tonia sells seashells to tourists throughout the year. During the summer
months her sales are very high and she makes a considerable profit. As the
seasons change it gets colder less people come to the beach and the less
foot traffic she has causes her to earn less. This cycle repeats every year.
Tonia's situation can be modeled through a(n)
function.
Tonia's situation can be modeled through a seasonal function, specifically a periodic function. This is because her sales and profits vary over time in a predictable pattern that repeats each year.
What is a seasonal function?A seasonal function is a type of mathematical function that models a repeating pattern or a cyclical behavior that occurs over a fixed interval of time. Seasonal functions are used to analyze and forecast patterns in time series data that have a clear seasonality or periodicity
One common type of periodic function is a sine or cosine function. These functions oscillate back and forth between two extreme values in a smooth, periodic way. In Tonia's case, her sales and profits might be modeled as a sine or cosine function that oscillates between high values during the summer months and lower values during the winter months.
Other types of periodic functions include sawtooth functions and square wave functions, which have a more abrupt change between their high and low values.
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HELP
Given the information in the diagram of circle P below, find:
Based on the information in the diagram of circle P, the magnitude of the missing angle are as follows;
m∠BPC = 80 degrees.
m∠ADC = 205 degrees.
What is the central angle property?In Mathematics and Geometry, the central angle property states that an inscribed angle is equal to one-half the measure of a central angle that is subtended by the same arc.
Based on the information provided about circle P, the central angle of circle P is represented by m∠BPC and the measure of arc BC is equals to 80 degrees. Therefore, the magnitude of angle BPC is given by:
m∠BPC = 80 degrees.
Since m∠A is an inscribed angle, its magnitude can be calculated as follows;
m∠A = 1/2(m∠BPC)
m∠A = 1/2(80)
m∠A = 40 degrees.
For the magnitude of m∠ADC, we have:
m∠ADC = 360 - (80 + 75)
m∠ADC = 360 - 155
m∠ADC = 205 degrees.
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What is the total cost of order number four if the customer received 10% off and paid a 15% gratuity and 4.5% sales tax?
The cost of order number four would be $12.60.
What does US sales tax mean?
Sales taxes are levied on the purchase or leasing of products and services inside the United States. There is no federal general sales tax, and sales tax regulation is handled at the state level. Think about this sales tax illustration.
You want to know how much your purchase will cost after taxes before you check out at The Clothes Boutique. Your cart contains goods with a combined price of $100 after totaling up all the charges. You would calculate 9.5% of $100 since the sales tax in that county is 9.5%. (100 x 0.095).
The cost of order number four would be $12.60.
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One characteristic of all exponential functions is that they change by
One characteristic of all exponential functions is that they change by a constant factor at each step, which means that they exhibit exponential growth or decay.
The constant factor by which an exponential function changes is called the base, which is usually denoted by the symbol "b". If b is greater than 1, the function exhibits exponential growth, and if b is between 0 and 1, the function exhibits exponential decay.
For example, the function f(x) = 2^x is an exponential function with a base of 2. At each step, the function increases by a factor of 2. For instance, f(0) = 1, f(1) = 2, f(2) = 4, f(3) = 8, and so on.
On the other hand, the function g(x) = (1/2)^x is an exponential function with a base of 1/2. At each step, the function decreases by a factor of 1/2. For instance, g(0) = 1, g(1) = 1/2, g(2) = 1/4, g(3) = 1/8, and so on.
Therefore, exponential functions exhibit a characteristic change by a constant factor at each step, which leads to either exponential growth or decay.
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which of the following is an incorrect statement? if a density curve is skewed to the right, the mean will be larger than the median. in a symmetric density curve, the mean is equal to the median. the mean of a skewed distribution is pulled toward the long tail. the median is the balance point in a density curve.
In a skewed distribution, the long tail pulls the mean toward it. In a density curve, the median is where everything level out.
what is mean ?The median, a statistician's measure of central tendency, divides a dataset into two equally sized half. When the data is organized from smallest to largest, it is the midway value (or largest to smallest). The median is the average of the two middle values when there are an even number of values. Since it is unaffected by extreme values, the median is frequently employed as a measure of central tendency when a dataset contains outliers or is skewed.
given
None of the claims are untrue.
The mean will be greater than the median if a density curve is tilted to the right.
The mean and median are equal in a density curve that is symmetric.
In a skewed distribution, the long tail pulls the mean toward it. In a density curve, the median is where everything level out.
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A mixture of pulverized fuel ash and Portland cement to be used for grouting should have a compressive strength of more than 1300 KN/m2. The mixture will not be used unless experimental evidence indicates conclusively that the strength specification has been met. Suppose compressive strength for specimens of this mixture is normally distributed with σ = 67. Let μ denote the true average compressive strength.
(a) What are the appropriate null and alternative hypotheses?
(b) Let X denote the sample average compressive strength for n = 12 randomly selected specimens. Consider the test procedure with test statistic X itself (not standardized). If X = 1340, find the P-value. (Round your answer to four decimal places.) P-value = 0.0193
(c) What is the probability distribution of the test statistic when μ = 1350?
State the mean and standard deviation of the test statistic. (Round your standard deviation to three decimal places.)
Mean: 1350, Standard Deviation: 19.341
For a test with α = 0.01, what is the probability that the mixture will be judged unsatisfactory when in fact μ = 1350 (a type II error)? (Round your answer to four decimal places.)
(a) The null hypothesis is that the true average compressive strength of the mixture is less than or equal to 1300 KN/m2.
The alternative hypothesis is that the true average compressive strength of the mixture is greater than 1300 KN/m2.
(b) To find the P-value, we need to calculate the probability of getting a sample mean of 1340 or greater, assuming the null hypothesis is true. Using the sample size n=12 and sample standard deviation σ=67, the test statistic is (1340-1300)/(67/sqrt(12)) = 2.523.
The P-value is the probability of getting a value of 2.523 or greater from a t-distribution with 11 degrees of freedom, which is 0.0193.
(c) The test statistic when μ = 1350 follows a t-distribution with 11 degrees of freedom.
The mean of the test statistic is equal to the true value of the mean, which is 1350. The standard deviation of the test statistic can be calculated as σ/sqrt(n) = 67/sqrt(12) = 19.341.
To find the probability of a type II error with α = 0.01, we need to calculate the probability of accepting the null hypothesis when the true value of the mean is 1350.
This can be calculated using the t-distribution with 11 degrees of freedom and the critical value corresponding to α=0.01, which is 2.718. The probability of a type II error is the probability that the test statistic is less than 2.718 when the true value of the mean is 1350, which is 0.2157 (rounded to four decimal places).
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based on historical data, it takes students an average of 48 minutes with a standard deviation of 15 minutes to complete the unit 5 test. what is the probability that your class of 20 students will have a mean completion time greater than 60 minutes on the unit 5 test?
Using central limit theorem, the probability that the class of 20 students will have a mean completion time greater than 60 minutes on the unit 5 test is 0.00017332
What is the probability that your class of 20 students will have a mean completion time greater than 60 minutes on the unit 5 test?We can use the Central Limit Theorem (CLT) to approximate the distribution of the sample mean completion time for the class. According to CLT, the distribution of the sample mean is approximately normal, with a mean equal to the population mean and a standard deviation equal to the population standard deviation divided by the square root of the sample size.
In this case, the population mean is given as 48 minutes, the population standard deviation is given as 15 minutes, and the sample size is 20. Therefore, the mean of the sample mean completion time is also 48 minutes, and the standard deviation of the sample mean completion time is 15/√20 ≈ 3.3541 minutes.
To find the probability that the class mean completion time is greater than 60 minutes, we can standardize the distribution of the sample mean completion time using the z-score formula:
z = (x - μ) / (σ / √n)
where x is the value we want to find the probability for (in this case, x = 60), μ is the population mean, σ is the population standard deviation, and n is the sample size.
Plugging in the values, we get:
z = (60 - 48) / (15 / √20) = 3.5777
Using a standard normal distribution table (or calculator), we can find the probability that a z-score is greater than 3.5777.
P = 0.00017332
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In square $ABCD$ with sides of length 4 cm, $N$ is the midpoint of side $BC$ and $M$ is the midpoint of side $CD$. What is the area of triangle $AMN$,
Consequently, the area of triangle $AMN$ is equal to $A = \frac{1}{2}bh = \frac{1}{2}(4)(2) = 4$ cm2.
The area of triangle $AMN$ in square $ABCD$ can be calculated using the formula for area of a triangle, $A = \frac{1}{2}bh$, where $b$ is the length of the base and $h$ is the height of the triangle.
Since side $BC$ has a length of 4 cm, we can determine that $N$ is located 2 cm away from point $B$ and 2 cm away from point $C$.
Similarly, we can conclude that $M$ is located 2 cm away from point $C$ and 2 cm away from point $D$.
Therefore, the base of triangle $AMN$ is equal to 4 cm, and the height of triangle $AMN$ is equal to 2 cm.
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a:b=1:6
a:c=3:1
How many times is b bigger than c?
Answer:
18 times bigger
Step-by-step explanation:
suppose that you wanted to predict the price of a house based on where the house was located (northeast, northwest, southeast, or southwest) as well as square footage. how many indicator variables would you need? group of answer choices 4
Suppose that you wanted to predict the price of a house based on where the house was located (northeast, northwest, southeast, or southwest) as well as square footage, then the northwest indicator variable would be set to 1, and the other three indicator variables would be set to 0.
What is a variable indicator?Indicator variable An indicator variable is a binary variable that indicates whether or not a specific condition or category is present. Indicator variables are typically used in statistical models to represent categorical data or conditions, and they are also known as dummy variables or binary variables.
Example suppose you want to conduct a statistical analysis to determine the impact of location and size on the price of a house. There are four possible locations: northeast, northwest, southeast, and southwest. We can use four indicator variables (one for each location) to represent this information.
For instance, if a house is in the northeast, the northeast indicator variable would be set to 1, while the other indicator variables would be set to 0. Similarly, if the house is in the northwest, the northwest indicator variable would be set to 1, and the other three indicator variables would be set to 0. We would use similar logic for the other two locations.
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What's 5/6 ÷ 7/9 ÷ 8/9 ÷0/7
Answer: The expression is undefined.
Step-by-step explanation:
Division by zero is undefined in mathematics. In this expression, there is a division by zero in the term 0/7. Therefore, the entire expression is undefined.
What is the cost of 73 pairs of pants if each pair costs $23, with a 10% discount on every
pair ordered over 50?
Answer: $1626.10
Step-by-step explanation:
[tex]50 * 23 = 1150\\23 * 0.9 = 20.7\\20.7 * 23 = 476.1\\1150 + 476.1 = 1626.1[/tex]
Our class is planning to paint a rectangular mural with an area of 60 square feet, it has to be at least 4 feet high but no more than 6 feet the length and width have to be hold numbers list of possible width for the
The possible widths for the rectangular mural are between 10 and 15 feet. We can also list the number of possible widths within this range, which is six. They are 10 feet, 11 feet, 12 feet, 13 feet, 14 feet, and 15 feet.
To determine the possible widths for the rectangular mural with an area of 60 square feet, we can use the formula for the area of a rectangle, which is length multiplied by width. Since the area is given as 60 square feet and the length should be between 4 and 6 feet, we can set up inequality as follows:
4w ≤ 60 ≤ 6w
where w is the width of the mural in feet. Solving this inequality for w, we get:
10 ≤ w ≤ 15
It is important to consider the dimensions carefully to ensure that the mural meets the requirements and fits in the desired space. By having multiple possible widths, the class can select the most suitable one based on the available resources and space.
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Complete question:
Our class is planning to paint a rectangular mural with an area of 60 square feet, it should be at least 4 feet high but not more than 6 feet in length and width, and list a number of possible widths for our class. Planning to paint a rectangular mural with an area of 60 square feet, it should be at least 4 feet high but not more than 6 feet in length and width, and list the number of possible widths for it.
In the above video lecture, we verified the following result: Computing the gradient of n
Rn (θ) = 1/n Σ (y^(t) - θ.x^(t)^2 / 2
t=1
we get ΔRn (θ) = Aθ-b (=0) where A= n n
A = 1/n Σ x^(t) (x^(t))^T , b = 1/n Σ y^(t) x^(t)
t=1 t=1
Now, what is the necessary and sufficient condition that Aθ - b = 0 has a unique solution?
- None of A's entries is 0. - A is invertible.
- A's dimension is the same as that of θ's
The direction of the steepest descent, which is used to find the minimum value of a function.
The necessary and sufficient condition that Aθ-b = 0 has a unique solution is: A is invertible.What is computing?Computing is a part of computer science that focuses on computer programs, including their software and hardware. It is concerned with designing algorithms to solve problems and creating software that will run these algorithms. As a result, computing is a field of study that is concerned with the process of creating algorithms and software.InvertibleAn invertible matrix is a matrix in which the determinant is not zero. An invertible matrix is also referred to as a non-singular matrix. An invertible matrix has a unique inverse. The rank of an invertible matrix is equal to its dimension. An invertible matrix can be used to solve a system of linear equations.GradientA gradient is a vector field in which the direction of the vector points to the steepest increase in a function, and the magnitude of the vector is the rate of increase in that direction. The gradient of a function is a vector field that is a derivative of the function. The gradient is used in multivariable calculus to solve optimization problems. The gradient is used to find the direction of the steepest ascent, which is used to find a maximum value of a function. It is used to find the direction of the steepest descent, which is used to find the minimum value of a function.
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Jenny wants to measure the height of a tree she sites the top of the tree using a mirror that is lying flat on the ground. The mirror is 20 feet from the tree, and Jenny is standing 8 feet from the mirror as shown in the figure, her eyes are 5 feet above the ground how tall is the tree?
The Height of tree is around 8.33 feet tall.
What is the connection among Height and distance?In science, we work out the Height of an item utilizing distance and points. Distance is the even distance between the items, and point is the point over the level of the article's top, which gives the item's level.
We can utilize the rule of comparable triangles.
The hypotenuse of this triangle would be the line associating Jenny's eyes to the highest point of the tree (we should refer to this distance as "h").
We can set up the accompanying extent between the two triangles:
h / 20 = (h + 5) / 8
To solve for "h", we can cross-multiply and simplify:
8h = 20(h + 5)
8h = 20h + 100
12h = 100
h = 8.33 feet
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Ixl dilations-find the scale factor and center dilation
The scale factor is 2 and center dilation is reduced.
The scale factor is a ratio that describes how much a figure has been enlarged or reduced. It is calculated by dividing the length of the corresponding sides of the original and dilated figures. If the scale factor is greater than 1, then the figure is enlarged, and if it is less than 1, then the figure is reduced.
To find the scale factor in an IXL dilations problem, you need to compare the corresponding sides of the original and dilated figures.
If the original figure has a side length of 4 units, and the dilated figure has a corresponding side length of 8 units, then the scale factor is 8/4=2. This means that the dilated figure is twice as large as the original figure.
The center of dilation is the point about which the figure is enlarged or reduced. It is the fixed point that remains unchanged during the dilation process.
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Mr. Seda has a bag with 500 marbles. The marbles are either
green or yellow. He has 20 students in his class take turns
selecting 10 marbles from the bag without looking. Each student
records the number of green marbles and then returns the
marbles to the bag.
What is a reasonable estimate for the number of green marbles
in the bag?
TRY
IT
M Math Toolkit double number lines, grid paper
Samples
5
Nu
A reasonable estimate for the number of green marbles in the bag would be around 250, since the marbles are split evenly between green and yellow. This means that for each student selecting 10 marbles, on average 5 of them should be green.
To estimate the number of green marbles in the bag, we can use the fact that the marbles are split evenly between green and yellow. This means that for each student selecting 10 marbles, on average 5 of them should be green. This means that, with 20 students selecting 10 marbles each, we can expect to have at least 100 green marbles. We can then multiply this number by two to get a reasonable estimate of 200 green marbles. Since this is a slightly conservative estimate, we can round up to 250 green marbles for our reasonable estimate.
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Translate the shape A seven squares right and five squares down
The points that form the corners of the shape have the following coordinates: (-1,-6), (0,-4), and (4,-6).
The graph is attached below
To plot these coordinates on a graph, first draw the x and y axes. Label the x-axis with integers from negative 6 to positive 6 and label the y-axis with integers from negative 7 to positive 3. Next, locate the point (-1, -6) on the graph by counting 1 unit to the left of the origin (0) on the x-axis and 6 units down on the y-axis. Place a dot at that location. Repeat the process for the point (0, -4) by plotting a dot at the point where the y-axis intersects the x-axis (0) and 4 units down on the y-axis. Finally, locate the point (4, -6) by counting 4 units to the right of the origin on the x-axis and 6 units down on the y-axis, and place a dot there.
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The missing graph in the question is in the image attached below
Which derived character is placed immediately after that group on the cladogram?
Answer:
Step-by-step explanation:
One that has the next least in common with the rest.
What is the volume of a hemisphere with a diameter of 5.5cm, rounded to the nearest tenth of a cubic centimeter.
if the hemisphere has a diameter of 5.5, then its radius is half that or 2.75.
[tex]\textit{volume of a hemisphere}\\\\ V=\cfrac{2\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=2.75 \end{cases}\implies V=\cfrac{2\pi (2.75)^3}{3}\implies V\approx 44~cm^3[/tex]
[Complex Analysis] Is there a polynomial P(z) such that Pe^(1/z) is entire?
There is no polynomials such that [tex]P(z)e^{\frac{1}{z} }[/tex] is entire.
Sums of elements of the form kxn, where k is any number and n is a positive integer, make up polynomials. For instance, the equation 3x+2x-5. a description of polynomials.
By the Taylor expansion, [tex]e^{\frac{1}{z} }[/tex] = ∑∞n= 0.
Let P(z)= (ad)zd+.......+a0.
For n>0, the coefficient of z-n in the expansion of [tex]P(z)e^{\frac{1}{z} }[/tex] is :-
[tex]tn= n^{a0} 1 + (n+1)!+.......+(n+d)![/tex]
So the Laurent expansion of [tex]P(z)e^{\frac{1}{z} } = 0[/tex]will have terms of the form tn2-n where an is not equal to zero.
if r is the smallest non negative integer such that ar is not equal to zero, then we see that we can rewrite:-
[tex]tn= (n^{1} +r)![ar+n^{ar+1} +1+.....+(n+r+d)....(n+d)][/tex]
as we know that [tex]\lim_{n \to \infty} (n+r+1+....+(n+r+d).....(n+d)=0[/tex]
so there exists an N∈N, such that:-
[tex]/ar/ > n+r+1+....+(n+r+d)....(n+d)=0[/tex]
HenHence tn is non zero for all n>N. In other words, expansion contains terms of negative powers.
So, apart from P(z)=0, there is no polynomials such that [tex]P(z)e^{\frac{1}{z} } .[/tex]
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If P(A)=0. 3, P(B)=0. 2, and P(A∩B)=0. 1, find the probability
a. P(
)
b. P(A∪B)
c. P(
∩B)
d. P(A∩
)
e. P(
∪B)
P(∅) = 0, P(A∪B) = 0.4 , P(A∩B) = 0.1 ,Since the sample space is not defined in the question, we cannot calculate P(B'). Therefore, we cannot calculate P(A∩B').and P(A∪B) = 0.4. are the required solutions ofgiven probability check .
a. The probability of an empty set is always zero. Therefore, P(∅) = 0.
b. The probability of the union of two events, A and B, is given by the formula P(A∪B) = P(A) + P(B) - P(A∩B). Substituting the values given in the question, we get:
P(A∪B) = P(A) + P(B) - P(A∩B)
= 0.3 + 0.2 - 0.1
= 0.4
Therefore, P(A∪B) = 0.4.
c. The probability of the intersection of A and B is given by the formula P(A∩B). Substituting the values given in the question, we get:
P(A∩B) = 0.1
Therefore, P(A∩B) = 0.1.
d. The probability of the intersection of A and the complement of B is given by the formula P(A∩B'). The complement of B is the set of all outcomes that are not in B. Since the sample space is not defined in the question, we cannot calculate P(B'). Therefore, we cannot calculate P(A∩B').
e. The probability of the union of A and B is given by the formula P(A∪B). Substituting the values given in the question, we get:
P(A∪B) = P(A) + P(B) - P(A∩B)
= 0.3 + 0.2 - 0.1
= 0.4
Therefore, P(A∪B) = 0.4.
In probability theory, the union of two events A and B is the set of outcomes that belong to either A or B or both. The intersection of two events A and B is the set of outcomes that belong to both A and B. The complement of an event A is the set of outcomes that do not belong to A. These concepts are fundamental in probability theory and are used extensively in solving various problems.
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Write the expression in complete factored form.
5a(b + 1) + 3(b + 1) = please help!
Answer: (5a + 3)(b + 1)
Step-by-step explanation:
We can factor out the common factor of (b + 1) from both terms:
5a(b + 1) + 3(b + 1) = (5a + 3)(b + 1)
Therefore, the expression in complete factored form is (5a + 3)(b + 1).
Elmer is on a Ferris wheel which has a diameter of 180 ft and whose center is 120 ft off the ground. Find all of the angles θ such that 0≤θ≤3π and such that Elmer's carriage is at a height of 165 ft when it makes an angle of θ with the horizontal. Leave your answers in exact form
The angles θ at which Elmer's carriage is at a height of 165 ft are θ = π/6, 13π/6 and 25π/6
The center of the Ferris wheel is represented by the point at the top of the triangle, and Elmer's carriage is represented by the lower point on the right-hand side of the triangle. We are given that the diameter of the Ferris wheel is 180 ft and that its center is 120 ft off the ground. This means that the radius of the Ferris wheel is 90 ft (half of the diameter), and that the distance from the center of the Ferris wheel to Elmer's carriage is also 90 ft.
We are also given that Elmer's carriage is at a height of 165 ft when it makes an angle of θ with the horizontal. Using trigonometry function , we can find the sine of θ as follows:
sin(θ) = (165 - 120) / 90
= 45 / 90
= 1/2
Therefore, we have:
θ = sin^(-1)(1/2)
= π/6
Since we are looking for all angles θ such that 0≤θ≤3π, we need to add multiples of 2π to our answer. The multiples of 2π that satisfy this inequality are 0, 2π, and 4π. Therefore, the solutions to the problem are:
θ = π/6, 13π/6, 25π/6
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Ana has a rectangular garden with the width of 2.3 meters and a length of 2.8 meters. she makes the model below to help her determine the area of her garden. What is the area of Ana's garden?
Answers 6.44, 8.6 4.38, 5.1
Answer: 6.44 square meters
Step-by-step explanation:
The area of a rectangle is given by the formula: A = L x W, where L is the length and W is the width.
Substituting the given values, we get:
A = 2.8 x 2.3 = 6.44 square meters
Therefore, the area of Ana's garden is 6.44 square meters.