The probability of the following parts is: a. 0.33 b. 1.925 c. 0.176 d. 0.67 e. 0.99955416 f. 0.018318006 g. 0.4489
a. To find out the probability that none of the first three people is concerned about their credit scores, we need to find: P(none of the first three is concerned about their credit scores)we have been given the probability that a teenager is concerned about his/her credit score is 0.67. So the probability that a teenager is not concerned about his/her credit score is 0.33. Now we can say that this is a binomial distribution since we are repeating a procedure until success is achieved. So we can use the binomial distribution to find the above probability: P(none of the first three are concerned about their credit scores) = (0.33)^3 = 0.0359375
b. The expected value of X is given by: E(X) = 1/p = 1/0.67 = 1.4925
c. Variance of X is given by: Var(X) = (1-p)/p^2 = (0.33)/(0.67)^2 = 0.176
d. Since X is the number of teenagers we select who are not concerned about their credit scores before we find the first teenager who is concerned. The probability that X = 0 is the probability that the first teenager we select is concerned about his/her credit score, which is given by: P(X = 0) = p = 0.67
e. To find out the probability that X ≤ 4, we can use the complement rule: P(X ≤ 4) = 1 - P(X > 4) = 1 - [P(X = 5) + P(X = 6) + ....... to ∞] = 1 - (1 - p)^5 = 1 - (0.33)^5 = 0.99955416
f. To find out the probability that Y = 6, we need to find: P(Y = 6)We know that for Y = 6, we need to select 7 teenagers such that the first and the second teenager we select are not concerned about their credit scores, and the third to the seventh teenager we select are concerned about their credit scores. The probability that the first and the second teenager we select are not concerned about their credit scores is given by: P(selecting 2 teenagers not concerned about their credit scores) = (0.33)^2 = 0.1089 And the probability that the third to the seventh teenager we select are concerned about their credit scores is:
P(selecting 5 teenagers concerned about their credit scores) = (0.67)^5 = 0.16806957Therefore, P(Y = 6) = P(selecting 2 teenagers not concerned about their credit scores) * P(selecting 5 teenagers concerned about their credit scores) = 0.018318006
g. To find out the probability that Y = 0, we need to select the first two teenagers who are concerned about their credit scores. P(Y = 0) = P(selecting the first two teenagers who are concerned about their credit scores) = (0.67)^2 = 0.4489.
To learn more about "Probability": brainly.com/question/30092244
#SPJ11
I tried it for about half an hour and I don't know I just don't get it
Answer: Try $44.81
Step-by-step explanation:
equation
30(1+.059)^t
t=7
Don't forget to account for the value you already have that is represented at 1 in the equation so then you don't have to add 30 afterwards.
Find the dimensions of the open rectangular box of maximum volume that can be made from a sheet of cardboard 19 in. by 11 in. by cutting congruent squares from the corners and folding up the sides. Then find the volume. The dimensions of box of maximum volume are __ in. (Round to the nearest hundredth as needed. Use a comma to separate answers as needed.)
The dimensions of the open rectangular box of maximum volume that can be made from a sheet of cardboard 19 in. by 11 in. by cutting congruent squares from the corners and folding up the sides are 6.33 in. x 3.33 in. x 5.33 in. The volume of the box is 113.78 in³.
How to find the dimensions of the open rectangular box of maximum volume?The dimensions of the box can be found with the following steps:
First, determine the side length of the square that is to be removed from each corner of the cardboard box. Since this will be done uniformly on all four corners, let the side length be x. The dimensions of the cardboard box can then be written as:
Length = 19 in. - 2x
Breadth = 11 in. - 2x
Height = x
After folding the cardboard along the creases, the base of the rectangular box will be (19 - 2x) in. by (11 - 2x) in. with the height of the box being x in. The volume of the box can then be found by multiplying the base and height of the box, i.e.,
Volume = (19 - 2x) (11 - 2x) x
Let V(x) be the volume of the rectangular box in terms of x. Then:
V(x) = (19 - 2x) (11 - 2x) x
Simplifying,
V(x) = 4x³ - 60x² + 209x
The maximum value of V(x) can be found by differentiating V(x) with respect to x and equating the result to zero. Therefore,
V'(x) = 12x² - 120x + 209 = 0
Solving, V(x) has a maximum value when x = 19/3 - 2(2/3)√14 or x = 19/3 + 2(2/3)√14. The value x = 19/3 - 2(2/3)√14 is the maximum value because x must be less than 5.5, which is the minimum of 11/2 and 19/2 divided by 3, the upper bound for x. Therefore, the dimensions of the box are
Length = 19 - 2(19/3 - 2(2/3)√14) = 6.33 in.
Breadth = 11 - 2(19/3 - 2(2/3)√14) = 3.33 in.
Height = 19/3 - 2(2/3)√14 = 5.33 in.
Thus, the dimensions of the box are 6.33 in. x 3.33 in. x 5.33 in. The volume of the box is:
V = 6.33 x 3.33 x 5.33 = 113.78 in³.
Learn more about maximum volume here: https://brainly.com/question/10373132
#SPJ11
eight less than the product of a number N and 1/7 is no more than 98
A translation of the sentence "Eight less than the product of a number N and 1/7 is no more than 98" is N/7 - 8 ≤ 98.
How to translate a word sentence into an algebraic expression?In order to translate a word sentence into an algebraic expression, we would have to assign a variable to the unknown number:
Let the variable N represent the unknown number.
By translating the word sentence into an algebraic expression, we have the following;
The product of a number N and 1/7 is N × 1/7 = N/7
Eight less than the above expression is N/7 - 8.
The inequality symbol for no more than is ≤. Therefore, we have the following:
N/7 - 8 ≤ 98.
Read more on inequality here: brainly.com/question/27976143
#SPJ1
Let mz1 = x. Select all the angles that have a measure of 180 - x.
A, C, and D. The angles that have a measure of 180-x are angles that have a measure of 180 minus the value of x. In this case, x is equal to mz1, so the angles that have a measure of 180-x are √3, √5, and √10.
What is angle?Angle is a mathematical concept that is used to measure the amount of rotation of a line or a plane around a point. An angle is typically measured in degrees, which is the unit of angular measurement. Angles are used in many different fields of mathematics, such as geometry, trigonometry, and calculus. In geometry, angles are used to measure the size of a triangle, the size of a circle, or the angle between two lines. In trigonometry, angles are used to solve problems involving the length of sides and the measure of an arc. In calculus, angles are used to measure the rate of change of a function.
To learn more about angle
https://brainly.com/question/25716982
#SPJ1
Can someone help me with this
The number of bicycles they need to sell to make equal money is 5. The amount they would make is $500.
What is fixed and variable cost?In contrast to variable costs, which change depending on the volume of production or sales, fixed costs are expenses that remain constant. Rent, insurance, and salary are examples of fixed costs that are constant regardless of the volume of output or sales. Materials, labour, and shipping expenses are examples of variable costs that change according to the volume of output or sales.
Let us suppose the number of bicycle sold = x.
Then the equation for Jimmy is:
$250 + 50x
The equation for Tom is:
$400 + 20x
To make the same amount we equate the two equations as follows:
250 + 50x = 400 + 20x
30x = 150
x = 5
Substituting the value of x in equation 1 we have:
J = 250 + 50(5)
J = 250 + 250
J = 500
Hence, the number of bicycles they need to sell to make equal money is 5. The amount they would make is $500.
Learn more about equation here:
https://brainly.com/question/30695173
#SPJ1
3. any time you are presented with data or statistics are many things you should consider. list two examples of things you need to consider when evaluating a data set or statistics. why do you need to consider them?
When evaluating a data set or statistics, the things to consider are sample size and data quality. It's important to consider these things because they provide insight into the validity of the data and the accuracy of the statistics that are being used.
When presented with a dataset or statistics, there are several things to consider.
Here are two examples of what you need to consider when evaluating a dataset or statistics:
1. Sample size: It's important to consider the sample size because small sample sizes are more likely to be biased. For example, a small sample size might be unrepresentative of a larger population. A sample size of 30 is commonly used to distinguish between small and large samples in statistics. Larger sample sizes are often more representative of the population and produce more reliable statistics.
2. Data quality: The quality of the data is also an important consideration. When evaluating statistics, you must ensure that the data is accurate, relevant, and up-to-date. This is important because using incorrect or outdated data can lead to incorrect conclusions. Additionally, if the data is missing or incomplete, you may not be able to get an accurate picture of the population that the dataset is supposed to represent. This can skew the results, making them less reliable or even completely useless. Therefore, data quality is an important consideration when evaluating statistics.
Learn more about Data set or statistics here:
https://brainly.com/question/15525560
#SPJ11
Rectangle 40 cm long, 30 cm wide, and 20 cm high
If the rectangle is 40 cm long, 30 cm wide, and 20 cm high, then its volume will be given as 24000 cubic centimeter.
Volume is defined as the space enclosed by the three dimensional figure in itself. No two dimensional object can have volume as volume can be determined only when the length, breadth and height of the figure is known and the value of height is missing in two dimensional figures.
The formula for volume of a cuboid which has rectangular faces is given as follows:
Volume of cuboid = Length × Breadth × height
Volume of cuboid = 40 × 30 × 20
Volume = 24000 cubic centimeter
Learn more about volume at:
brainly.com/question/463363
#SPJ4
Refer to complete question below:
Find the volume of a rectangular cuboid whose dimensions are given as 40 cm long, 30 cm wide, and 20 cm high.
30 points to help me!
Answer:
Step-by-step explanation:
5+3x/4 = 7/12
[(5*4)+3x]/4 = 7/12
(20+3x)/4 = 7/12
20+3x = 7/12*4
20+3x = 7/3
3x = 7/3 - 20
3x = [7-(20*3)]/3
3x = (7-60)/3
3x = -53/3
x = -53/3/3/1 ( reciprocal )
x = -53/3*1/3
x= -53/9
For which equation would x = 4 be a solution?
28 – 5.25 x = 2.75
4.25 x + 7 = 24
4.25 x ÷ 8 = 9
7 + 3.25 x = 29
Answer:
4.25 x + 7 = 24
Second choice
Step-by-step explanation:
Plug in x = 4 into each equation and see which one is consistent
The correct answer is 4.25x + 7 = 24
Left side = 4.25(4) + 7
= 17 + 7
=24
which matches the right side 24
if x < y < z and all three are consecutive non-zero integers, then which of the following must be a positive odd integer?
Option (A) x+1 is a positive odd integer.
Given that, x < y < z and all three are consecutive non-zero integers.Let the first number be x, then the other two consecutive non-zero integers will be (x+1) and (x+2).To find out the positive odd integer among these, let us take each of them and verify if they are positive odd integers.∴ x+1 is odd, x+2 is even∴ x+1 is the only positive odd integer out of the three.
Learn more about Non-zero integers
brainly.com/question/2032387
#SPJ11
Simplify 650 – 0.394 + 18. 77
If you answer on 10 minutes i will mark you as the brainliest
Answer:
668.376
Step-by-step explanation:
Please hit brainliest if this was helpful!
To simplify 650 – 0.394 + 18.77, we can first add 650 and 18.77 since they're both whole numbers:
650 + 18.77 = 668.77
Then, we can subtract 0.394 from 668.77:668.77 - 0.394 = 668.376
Therefore, 650 – 0.394 + 18.77 simplifies to 668.376.
Find the area under the curve y = 2 x^-3 from x = 6 to x = t and evaluate it for t = 10 , t = 100 . Then find the total area under this curve for x ≥ 6 .
(a) t = 10
(b) t = 100
(c) Total area
The total area under the curve for x ≥ 6 is 449/4500.
The area under the curve y = 2x-3 from x = 6 to x = t and its evaluation at t = 10 and t = 100The area under the curve y = 2x-3 from x = 6 to x = t can be calculated as follows:
We know that the area of the region under the curve f(x) between x = a and x = b is given by [tex]A = ∫abf(x)dx[/tex]
Since the given function is y = 2x-3, we can write it as y = 2x^(-3) by applying the power rule.
Hence,A = [tex]∫62x^(-3)dx = [-2x^(-2)]6t = -2/t^2 + 2/36[/tex]We need to evaluate this area for t = 10 and t = 100, so we get[tex]A = -2/10^2 + 2/36 = -1/25 + 1/18 = 7/450andA = -2/100^2 + 2/36 = -1/5000 + 1/18 = 449/4500[/tex]Total area under this curve for x ≥ 6
for such questions on function
https://brainly.com/question/11624077
#SPJ11
Find the value of x to the nearest tenth.
Answer: "x" is 4.5
Step-by-step explanation:
first lets find the leg of the first right triangle using the given leg of 6 and the hypoteneuse of 9 using Pythagorean theorem a^2 + b^2 = c^2.
6^2 + b^2 = 9^2
36 + b^2 = 81
subtract 36 from both sides to isolate b
36 - 36 + b^2 = 81 - 36
simplify
b^2 = 45
take square root of both sides
[tex]\sqrt{b^{2} }[/tex] = [tex]\sqrt{45}[/tex]
b = 6.7
Now we can find x of the 2nd right triangle using the know hypoteneuse of 6.7 and the known leg of 5
a^2 + b^2 = c^2
5^2 = b^2 = 6.7^2
25 + b^2 = 44.9
subtract 25 from both sides to isolate b
25 - 25 + b^2 = 44.9 - 25
b^2 = 19.9
take square root of both sides
[tex]\sqrt{b^2}[/tex] = [tex]\sqrt{19.9}[/tex]
b= 4.5
so your answer to what is "x" is 4.5
The supervisor at vector control wants your report of how the mosquito population is growing. Do you think your report is better supported by the table above or by a graph of the growth function as show below? WHY? Explain the reasoning behind your conclusion.
As a result, utilizing the graph of the growth function is preferable for describing the growth of the mosquito population .
what is vector ?A vector is a mathematical concept that possesses both magnitude (or length) and direction. In physics, engineering, and other sciences, physical quantities with both a size and a direction, such as velocity, force, and acceleration, are frequently represented by vectors. In geometry, vectors can be represented as arrows, with the direction of the arrow indicating the vector's magnitude and the length of the arrow indicating its magnitude. In addition to being able to represent points in space and describe curves and surfaces, vectors may also be added, subtracted, and multiplied by scalars to create new vectors.
given
Based on the provided table and the growth function graph, I would argue that the report on the growth of the mosquito population is better supported by the graph.
On the other hand, there is no visual representation of the growth of the mosquito population in the table; it merely displays the data in a tabular format.
Although the table contains the same data as the graph, it is more difficult to understand and evaluate.
As a result, utilizing the graph of the growth function is preferable for describing the growth of the mosquito population .
To know more about vector visit:
https://brainly.com/question/30202103
#SPJ1
if (20x+10) and (10x+50) are altenative interior angle then find x
Answer:
x = 4
Step-by-step explanation:
Alternative interior angles means these angles are equal in magnitude and sign
[tex]{ \tt{(20x + 10) = (10x + 50)}} \\ \\ { \tt{20x - 10x = 50 - 10}} \\ \\ { \tt{10x = 40}} \\ \\ { \tt{x = 4}}[/tex]
anyone know all the x's?
Answer:
Below.
Step-by-step explanation:
Yes.
-9 = 3/4x - 3 -6 = 3/4 x x = -8
-6 = 3/4x - 3 -3 = 3/4 x x = -4 (there's a pattern!)
0 = 3/4x - 3 3 = 3/4 x x = 4
3 = 3/4x - 3 6 = 3/4 x x = 8
Hope this helps!
Mps Support
In Exploration 3. 1. 1 you found the area under the curve f(t) =
between 1 and 3. What was the approximate area that you came up
with? [Select)
In calculus you will learn more about the significance of this activity. At
what x-value would you stop at to have an area of exactly 1?
[Select]
What is that number called? (Select]
The approximate area under the curve f(t) = 1/t when found between 1 and 3 is equivalent to option D: 1.1.
Calculating an integral is called integration. Mathematicians utilize integrals to determine a variety of useful quantities, including areas, volumes, displacement, etc. Usually, when we talk about integrals, we mean definite integrals. One of the two primary calculus topics in mathematics, along with differentiation, is integration.
We can find the approximate area using the concept of integration as follows:
[tex]\int\limits^3_1 {1/t} \, dt[/tex]
We generally know that:
[tex]\int\limits^a_b {x} \, dx[/tex]= ㏑(x)
Therefore,
[tex]\int\limits^3_1 {1/t} \, dt[/tex]
= ㏑ (3) - ㏑ (1)
= 1.1, more specifically it would be 1.09.
From the table of logarithm, you can verify is equivalent to 1.1.
To know more about integration, refer:
https://brainly.com/question/22008756
#SPJ4
Correct question is:
In Exploration 3.1.1 you found the area under the curve f(t)=1/t
between 1 and 3. What was the approximate area that you came
up with?
A. 1.3
B. .9
C. .7
D. 1.1
A taxi service charges $1.00 for the first 1/10 mile then $0.10 mile after that.
1. What is the cost of 3 1/10 mile
2. Is the relationship between distance traveled and price of the trip proportional? (yes or no)
1. cost of 3 1/10 mile for the taxi service charges: $0.40.
2. Relation is explained as direct proportional.
Explain about the improper fractions?The top number of an improper fraction is greater than (or equal to) that bottom number.
We have a certain number of pieces, which is the top number (called Numerator).The number at the bottom (the denominator) represents the quantity into which the total is divided.Using the example:
The steps below can be used to change a mixed fraction into an improper fraction:
Divide the fraction's denominator by the portion of the entire number.It is added to the numerator.The outcome should then be written on top of such numerator.Fixed taxi charge = $1.00 for the first 1/10 mile
Additional charge = $0.10 mile
1. cost of 3 1/10 mile
covert mixed into improper = (30 +1)/10 = 31/10
The cost of 31/10 miles.
= $1.00 * 1/10 + (31/10 - 1/10)*$0.10
= $0.100 + 30/10*$0.10
= $0.100 + $0.30
= $0.40
2. As the distance increases the price also increases.
Relation is explained as direct proportional.
Know more about the improper fractions
https://brainly.com/question/105595
#SPJ1
Gail averages 153 points per bowling game with a standard deviation of 14.5 points. Suppose Gail's points per bowling game are normally distributed. Let X= the number of points per bowling game. Then X∼N(153, 14.5). z-score when x=108 is _____. The mean is 153. The z-score tell you that x=108 is _____ standard deviations to the left of the mean.
The z-score when x=108 is 3.1034. The z-score tells you that x=108 is 3.1034 standard deviations to the left of the mean.
Z-score is used in statistics to compare a score to a normal distribution. The z-score is a measure of how far away from the mean a value is in standard deviation units.
To find the z-score when x = 108, we use the formula:
z = (x - μ) / σ
where x = 108, μ = 153, and σ = 14.5.
Substituting these values, we get:
z = (108 - 153) / 14.5 = -3.1034
So the z-score when x = 108 is -3.1034.
The z-score tells us how many standard deviations away from the mean a particular value is. In this case, since the z-score is negative, we know that x = 108 is to the left of the mean.
The absolute value of the z-score tells us how many standard deviations away from the mean the value is. In this case, the absolute value of the z-score is approximately 3.1034, which means that x = 108 is approximately 3.1034 standard deviations to the left of the mean.
To know more about the "z-score ": https://brainly.com/question/25638875
#SPJ11
in august 2012, tropical storm isaac formed in the caribbean and was headed for the gulf of mexico. there was an initial probability of .69 that isaac would become a hurricane by the time it reached the gulf of mexico (national hurricane center website, august 21, 2012). a. what was the probability that isaac would not become a hurricane but remain a tropical storm when it reached the gulf of mexico (to 2 decimals)? b. two days later, the national hurricane center projected the path of isaac would pass directly over cuba before reaching the gulf of mexico. hurricanes that reach the gulf of mexico have a .08 probability of having passed over cuba. tropical storms that reach the gulf of mexico have a .20 probability of having passed over cuba. how did passing over cuba alter the probability that isaac would become a hurricane by the time it reached the gulf of mexico? use the above probabilities to answer this question. p(c|h) (to 2 decimals) p(c|t) (to 2 decimals) p(h|c) (to 4 decimals) c. what happens to the probability of becoming a hurricane when a tropical storm passes over a landmass such as cuba? select (to 2 decimals) to (to 4 decimals).\
By using Bayes' theorem in probability.
a) The probability that isaac would not become a hurricane but remain a tropical storm when it reached the gulf of mexico is 0.31.
b) P(H|c) = 0.4493
c) It can be observed that the likelihood of a tropical storm developing into a hurricane decreases slightly when it passes over Cuba. This can be inferred from the fact that the conditional probability of a hurricane forming given that the storm has passed over Cuba (P(H|c) = 0.4493) is lower than the initial probability of 0.69.
a) The probability that Isaac would not become a hurricane but remain a tropical storm when it reached the Gulf of Mexico is:
P(not hurricane) = 1 - P(hurricane) = 1 - 0.69 = 0.31
So the probability is 0.31 (to 2 decimals).
b) We need to use Bayes' theorem to calculate the probabilities:
P(c|H) = P(H|c) * P(c) / P(H)
P(c|T) = P(T|c) * P(c) / P(T)
where c denotes passing over Cuba, H denotes becoming a hurricane, and T denotes remaining a tropical storm.
From the problem, we have:
P(H) = 0.69
P(T) = 1 - P(H) = 0.31
P(c|H) = 0.08
P(c|T) = 0.20
To calculate P(c), we need to use the law of total probability:
P(c) = P(c|H) * P(H) + P(c|T) * P(T)
= 0.08 * 0.69 + 0.20 * 0.31
= 0.1228
Now we can calculate P(c|H) and P(c|T):
P(c|H) = 0.08 * 0.69 / 0.1228
= 0.4493 (to 2 decimals)
P(c|T) = 0.20 * 0.31 / 0.1228
= 0.5065 (to 2 decimals)
To calculate P(H|c), we use Bayes' theorem again:
P(H|c) = P(c|H) * P(H) / P(c)
= 0.08 * 0.69 / 0.1228
= 0.4493 (to 4 decimals)
c) Passing over a landmass such as Cuba can alter the probability of becoming a hurricane because it can either enhance or weaken the storm. In this case, we can see that the probability of becoming a hurricane is actually slightly lower when a tropical storm passes over Cuba, as P(H|c) = 0.4493 is lower than the initial probability of 0.69. However, it is important to note that this is just one example and the effect of passing over a landmass can vary depending on many factors.
To know about "Bayes' theorem": https://brainly.com/question/14989160
#SPJ11
U have 4/9 of a large bottle of cooking oil. U pour 3/5 of the cooking oil into a smaller bottle. How much of the entire large bottle did you pour in the small bottle?
You poured approximately 0.267 liters of cooking oil from the entire large bottle into the smaller bottle.
To find out how much of the entire large bottle of cooking oil was poured into the smaller bottle, we need to multiply the fraction of the large bottle that was poured into the smaller bottle by the total amount of cooking oil in the large bottle.
Given that you have [tex]\frac{4}{9}[/tex] of the large bottle of cooking oil, the fraction of the large bottle that you poured into the smaller bottle is [tex]\frac{3}{5}[/tex] of [tex]\frac{4}{9}[/tex]. We can find this fraction by multiplying [tex]\frac{3}{5}[/tex] by [tex]\frac{4}{9}[/tex]:
[tex]\frac{3}{5} * \frac{4}{9} = \frac{12}{45}[/tex]
Simplifying this fraction by dividing both numerator and denominator by 3, we get:
[tex]\frac{12}{45}= \frac{4}{15}[/tex]
Therefore, you poured [tex]\frac{4}{15}[/tex] of the entire large bottle of cooking oil into the smaller bottle. To find the actual amount, you can multiply this fraction by the total amount of cooking oil in the large bottle. For example, if the large bottle contains 1 liter of cooking oil, then you poured:
[tex]\frac{4}{15} * 1 = 0.267[/tex] liters.
Find out more about fraction
brainly.com/question/29766013
#SPJ4
A wire first bent into the shape of a rectangle with width 5cm and lenth 11 cm.then the wire is unbent and reshaped into a square what is the length kf a side of the square
The length of a side of the square is 8 cm.
What do you mean by perimeter of a rectangle and square?
When a wire is bent into the shape of a rectangle, its length becomes the perimeter of the rectangle. Similarly, when the wire is reshaped into a square, its length becomes the perimeter of the square.
The perimeter of a rectangle is given by the formula [tex]P=2(l+w)[/tex] , where [tex]l[/tex] is the length and [tex]w[/tex] is the width.
The perimeter of a square is given by the formula [tex]P=4s[/tex] , where [tex]s[/tex] is the length of a side.
Calculating the length of a side of the square:
The length of the rectangle is 11 cm and the width is 5 cm.
Therefore, the perimeter of the rectangle is [tex]P=2(11+5)=32[/tex] cm.
Since the wire is reshaped into a square, the perimeter of the square is also 32 cm.
Using the formula [tex]P=4s[/tex], we can solve for the length of a side of the square:
[tex]32 = 4s[/tex]
[tex]s = 32/4[/tex]
[tex]s = 8[/tex]
Therefore, the length of a side of the square is 8 cm.
To know more about square visit :
brainly.com/question/28776767
#SPJ1
The distance from school to Regina's house is 4. 2 kilometers. After school, Regina stops at a grocery store on her way home. If the distance from the school to the grocery store is 1. 4 kilometers, how much farther in meters does Regina need to get home?
meters
Regina needs to travel an additional 5,600 meters to get home.
The total distance Regina travels from school to the grocery store and then to her house is
4.2 km + 1.4 km = 5.6 km
To find out how much farther Regina needs to get home, we need to subtract the distance from the grocery store to her house (which we don't know yet) from the total distance she travels.
Let's say the distance from the grocery store to Regina's house is x kilometers. Then we can set up an equation
5.6 km - x km = the distance Regina needs to get home
To solve for x, we can isolate it on one side of the equation by subtracting the distance Regina needs to get home from both sides
5.6 km - (the distance Regina needs to get home) = x km
We know that Regina needs to get home, so we can substitute that into the equation
5.6 km - 0 km = x km
Simplifying, we get
x = 5.6 km
Now we know that the distance from the grocery store to Regina's house is 5.6 km. We need to convert this to meters to find out how much farther Regina needs to get home
5.6 km = 5,600 meters
Learn more about distance here
brainly.com/question/15706791
#SPJ4
Hunters with dogs walked through the forest. If you count their legs, it will be 78, and if their heads, then 24. How many hunters were there and how many dogs did they have?
From the given data of hunters and do we find out there are 9 hunters and 15 dogs.
Let's assume that there were "h" hunters and "d" dogs.
Each hunter has two legs, and each dog has four legs, so the total number of legs can be expressed as:
2h + 4d = 78
We can simplify this equation by dividing both sides by 2:
h + 2d = 39
We also know that there were 24 heads in total, which includes the hunters and the dogs:
h + d = 24
We can now solve these two equations simultaneously to find the values of h and d.
First, we can solve for h in terms of d from the second equation:
h = 24 - d
We can substitute this expression for h in the first equation:
(24 - d) + 2d = 39
Simplifying and solving for d:
d = 15
Now that we know there were 15 dogs, we can substitute this value back into one of the equations to find the number of hunters:
h + d = 24
h + 15 = 24
h = 9
Therefore, there were 9 hunters and 15 dogs.
To learn more about equation click here
brainly.com/question/29657983
#SPJ4
a figure is rotated 270 clockwise about the origin. which statement is true about the rotated figure?
A. x, y --> (-y, x)
B. x, y --> (-x, y)
C. x, y --> (-x, -y)
D. x, y --> (x, -y)
PLEASE HELPPPP
The statement that is true about the rotated figure in the question is (x,y) → (y,−x) .
Which statement is true about the rotated figure?A rotation of 270 degrees clockwise about the origin means that each point in the figure is moved around the origin in a circular path, traveling 270 degrees in the clockwise direction (which is equivalent to 90 degrees in the counterclockwise direction).
Now, let's consider the transformation (x, y) → (y, -x).
This transformation corresponds to a rotation of 90 degrees counterclockwise about the origin.
Therefore, the correct answer is A: x, y → (y, -x).
Read more about transformation at
https://brainly.com/question/4289712
#SPJ1
PLEASE HELP MARKING BRAINLEIST JUST ANSWER ASAP AND BE CORRECT
Answer:
The second figure.
Step-by-step explanation:
The first figure's perimeter is:
70 in + 42 in + 56 in = 168 inches.
And the second figure's perimeter is:
42 in + 33 in + 33 in + 64 in = 172 inches.
Therefore, Figure 1 < Figure 2.
how would you classify ĀĒ?
AE is classified as a chord.
What is a chord?A chord can be thought of as a piece of the circle that connects two points on the circle. The length of a chord depends on the distance between the two points it connects, as well as the size of the circle itself. The longest possible chord in a circle is the diameter, which is a chord that passes through the center of the circle and divides it into two equal halves.
What is a Tangent?A tangent line to a circle is a straight line that intersects the circle at exactly one point. This point of intersection is called the point of tangency. The tangent line is perpendicular to the radius of the circle at the point of tangency, and it lies in the same plane as the circle.
In the given question,
AE is passing through two points of the circumference of the circle and is also the diameter.
Hence, AE is the longest forming chord of the circle.
To know more about circles, visit:
https://brainly.com/question/29142813
#SPJ1
Fractions MUST SHOW WORKING!!
Total seats in plane: 186
108+64+14
5/7 of 14 is: 10
14÷7= 2
2x5= 10
5/16 of 64 is: 20
64÷16=4
5×4= 20
5/9 of 108 is: 60
108÷9= 12
12x5= 60
60+20+10=90
90/186 of seats are being used
simplified: 15/31
No
Be nice and help thankss
Value of angle x is 41 degree.
Define straight lineA straight line is a one-dimensional geometric object that extends infinitely in both directions. It can be defined as the shortest path between two points in a plane, and it has a constant slope (i.e., rate of change) between any two points on the line.
The standard equation for a straight line in slope-intercept form is y = mx + b, where m is the slope of the line and b is the y-intercept (the point where the line intersects the y-axis). Another commonly used form is the point-slope form, which is y - y1 = m(x - x1), where (x1, y1) is a point on the line.
Given, total angle=236°
236°=76°+119°+x
x=236°-76°-119°
x=41°
Hence, Value of angle x is 41 degree.
To know more about slope, visit:
https://brainly.com/question/3605446
#SPJ1
a jewelry box with a square base is to be built with silver plated sides, nickel plated bottom and top, and a volume of 40 cm3. if nickel plating costs $ 1 per cm2 and silver plating costs $ 12 per cm2, find the dimensions of the box to minimize the cost of the materials.
The dimensions of the box to minimize the cost of materials are 3.16 cm x 3.16 cm x 3.16 cm.
To minimize the cost of materials for the jewelry box with a square base, you will need to find the dimensions of the box. The volume of the box is 40 cm3. The sides of the box will be silver plated and cost $12 per cm2, while the top and bottom will be nickel plated and cost $1 per cm2.
Since the box has a square base, each of the sides has the same area and the total area of the box is four times the area of one side. To minimize cost, the sides of the box need to be as small as possible. The equation for the area of a square is A = l2.
We can use this equation to find the length of one side of the box. 40 cm3 = l2 x 4, so l2 = 10 cm2. The length of one side of the box is the square root of 10, which is approximately 3.16 cm.
Therefore, the dimensions of the box to minimize the cost of materials are 3.16 cm x 3.16 cm x 3.16 cm.
To learn more about dimensions refer :
https://brainly.com/question/6964028
#SPJ11