The polar form of the rectangular coordinates (-3√3, 0) is r = 3√3 and θ = 0
To convert the rectangular coordinates (-3√3, 0) into polar form, we can use the following equations:
r = √(x² + y²)
θ = tan⁻¹(y/x)
In this case, x = -3√3 and y = 0, so we have:
r = √((-3√3)² + 0²) = 3√3
θ = tan⁻¹(0/(-3√3)) = tan⁻¹(0) = 0
Since the angle is given in radians over the interval 0 ≤ θ < 2π (which is equivalent to 0 ≤ θ < 6.28318), we need to add 2π to θ if it is negative, to ensure that θ is in the specified interval.
However, in this case, θ is already equal to 0, which is within the specified interval.
Therefore, the polar form of the rectangular coordinates (-3√3, 0) is:
r = 3√3
θ = 0 (in radians, over the interval 0 ≤ θ < 2π)
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What is 9 divided by (-3)+6x2-7
pls hlp thx ur great
Answer:
x = - [tex]\frac{3}{4}[/tex]
Step-by-step explanation:
14 = [tex]\frac{8}{3}[/tex] (x + 6) ← multiply both sides by 3 to clear the fraction
42 = 8(x + 6) ← distribute parenthesis
42 = 8x + 48 ( subtract 48 from both sides )
- 6 = 8x ( divide both sides by 8 )
[tex]\frac{-6}{8}[/tex] = x , that is
x = - [tex]\frac{3}{4}[/tex]
Which angles in standard position have their terminal side in quadrant II?
Select all that apply.
Angles in standard position with their terminal side in quadrant II have measures between 90 and 180 degrees.
Therefore, the angles that have their terminal side in quadrant II are
120 degrees
135 degrees
150 degrees
165 degrees
So, all of the above angles apply.
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In the following function defined by an equation in the form y = a x squared + b x + c, identify the values of a, b, and c. y = two-thirds x squared + 3 a. a = 0, b = two-thirds, c = 3 b. a = two-thirds, b = 0, c = 3 c. a = 0, b = 3, c = two-thirds d. a = two-thirds, b = two-thirds, c = 3 Please select the best answer from the choices provided
The correct answer is (a) a = 0, b = two-thirds, c = 3.
How to identify the values of a, b, and c.This can be seen by comparing the given equation, y = two-thirds x squared + 3, to the general form of a quadratic equation, y = ax^2 + bx + c.
In the given equation, the coefficient of x^2 is two-thirds, so a = two-thirds. The coefficient of x is 0, so b = 0. And the constant term is 3, so c = 3.
Therefore, the correct answer is (a) a = 0, b = two-thirds, c = 3.
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If the height of this prism is 10 cm, what is the surface area
of the rectangular prism?
Surface Area = 2lw + 2lh + 2wh
5 cm
5 cm
Answer:
2(5)(5) + 4(5)(10) = 50 + 200 =
250 square centimeters
DUE FRIDAY PLEASE HELP WELL WRITTEN ANSWERS ONLY!!!!
The equation of the circle passing through (6,1) and having a centre at (2,-3) is (x - 2)² + (y + 3)² = 32.
Explain the term centre
A centre is a point or location that is at the middle or heart of something. It can refer to the physical centre of an object or the conceptual centre of an idea or system. Centres can be used as reference points for measurements, calculations, or decision-making processes.
According to the given information
Here we can use the distance formula:
√((x - 2)² + (y + 3)²) = r
We also know that the circle passes through the point (6, 1). Substituting these coordinates into the equation above, we get:
√((6 - 2)² + (1 + 3)²) = r
√(16 + 16) = r
r = 4√(2)
Now we can use the centre and radius to write the equation of the circle in standard form:
(x - 2)² + (y + 3)² = (4√(2))²
(x - 2)² + (y + 3)² = 32
Therefore, the equation of the circle passing through (6,1) and having a centre at (2,-3) is (x - 2)² + (y + 3)² = 32.
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To pass an online class a student must answer 75% of questions correcrtly on a final exam. If there are 60 quesrtions on the exam, how many questions must a student answer correctly to pass
Answer: If there are 60 questions and the student has to answer 75% of questions then the number of questions the student must answer is 45
Step-by-step explanation:
No of questions= 60,
Answers to be given= 75%
then no of questions to pass the exam= No of questions*Answers to be given in percentage
=60*75/100\
=45
In △ABC, DE⎯⎯⎯⎯⎯
is parallel to AC⎯⎯⎯⎯⎯
and DE=10.
Find the length of AC⎯⎯⎯⎯⎯
if DE⎯⎯⎯⎯⎯
is a midsegment of △ABC.
The solution to the given problem of the triangle comes out to be AC are 20 units long.
What precisely is a triangle?If a polygon contains at least one more segment, it is a hexagon. It is a simple rectangle in shape. Anything identical to a standard triangle form can only be distinguished from it by edges across A and B. Euclidean geometry does not completely describe the cube, despite the fact that its edges are all collinear. A triangle is formed by a circle with five sides and three angles.
Here,
If DE is the midpoint of triangle ABC, DE is parallel to AC and has a length of 50% of AC.
Let's use "x" units to represent the length of AC.
Given the information, DE equals 10 units, or 50 percent of AC's length. So that we may create the equation:
=> DE = AC/2
When we enter DE's value as 10 units, we get:
=> 10 = x/2
To separate x, we multiply both sides of the equation by 2 and obtain:
=> 2 * 10 = x
=> x = 20
Therefore, AC is 20 units long.
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the length of a staff meeting in hours is a random variable having the following probability density function 5(x-.5)^5 calculate the expected length of a staff meeting
The expected length of a staff meeting is approximately 12.5 minutes.
what is probability?
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain to happen.
To calculate the expected length of a staff meeting, we need to find the mean of the probability density function given.
The formula for finding the expected value or mean of a continuous random variable with probability density function f(x) is:
E(X) = ∫ x f(x) dx over the range of the variable
Using this formula, we can find the expected length of a staff meeting as follows:
E(X) = ∫ x f(x) dx over the range of the variable
= ∫ 0 to 1 x [tex]5(x-0.5)^{5}[/tex] dx (since the length of a meeting can't be negative)
= 5 ∫ 0 to 1 x[tex](x-0.5)^{5}[/tex] dx
Now we can use integration by parts or substitution to solve the integral. For simplicity, we can use substitution, with u = x - 0.5 and du = dx:
E(X) = 5 ∫ -0.5 to 0.5[tex]5(x-0.5)(u)^{5}[/tex] du
= 5 ∫ -0.5 to 0.5 [tex](u^6 + 0.5u^5)[/tex] du
= 5 [(1/7)[tex]u^7\\[/tex] + (1/10)[tex]u^6[/tex]] evaluated at -0.5 and 0.5
= 5 [(1/7)[tex](0.5)^7[/tex] + (1/10)[tex](0.5)^6[/tex] - (1/7)[tex](-0.5)^7[/tex] - (1/10)[tex](-0.5)^7[/tex]]
≈ 0.2083 hours or 12.5 minutes
Therefore, the expected length of a staff meeting is approximately 12.5 minutes.
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How many ways are arrange the letters in UNIVERSALLY so that no two vowels occur consecutively and also the consonants appear in alphabetical order
There are 144 ways to arrange the letters in UNIVERSALLY so that no two vowels occur consecutively and the consonants appear in alphabetical order
To solve this problem, we can break it down into two parts:
Part 1: Arranging the consonants in alphabetical order
The consonants in UNIVERSALLY are N, R, S, V, and Y. Since we want them to appear in alphabetical order, there is only one way to arrange them: NRSVY.
Part 2: Arranging the vowels so that no two occur consecutively
There are four vowels in UNIVERSALLY: E, I, U, and A. To arrange them so that no two occur consecutively, we can use the following strategy:
1. Start with the two consonants N and R. There are three spaces between them where we can place the vowels: _N_R_. We can place the vowels in these spaces in 4! = 24 ways.
2. Next, we add the consonant S to the left of N. There are now four spaces between S and R: S _ N _ R _. We can place the vowels in these spaces in 3! = 6 ways.
3. We continue adding consonants in alphabetical order and placing the remaining vowels in the available spaces. After adding V and Y, we end up with the following arrangement:
S U N I V E R S A L L Y R
There are 24 ways to arrange the vowels between the consonants at step 1, 6 ways to arrange them at step 2, and only 1 way to arrange them after all the consonants have been added. Therefore, the total number of arrangements that satisfy both conditions is:
24 x 6 x 1 = 144
So there are 144 ways to arrange the letters in UNIVERSALLY so that no two vowels occur consecutively and the consonants appear in alphabetical order.
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PLEASE ANSWER ASAP
IT WOULD BE HELPFUL
The volume of the solid figure bis 1465. 33 in³
How to determine the volumeThe formula for the volume of a cylinder is expressed as;
V = πr²h
Such that the parameters are;
V is the volume of the cylinderr is the radius of the cylinderh is the height of the cylinderFrom the information given, we have;
Volume = 3.14 × 4² × 18
Multiply the values
Volume = 904. 32 in²
Volume of the smaller cylinder
Volume = 3.1 4 × 4 × 18
Volume = 226. 08 in³
Volume of a cone = πr²h/3 = 3.14 × 8² × 5/3
Multiply the values
Volume = 334. 93 in³
Then, the volume of the solid = 904. 32 + 226. 08 + 334. 93 = 1465. 33 in³
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in july 2008, the u.s. population was approximately 302,000,000. approximately how many americans were there in july 2009 if the estimated 2008 growth rate was 0.88%?
Approximately 304,657,600 Americans were there in July 2009 based on the estimated 2008 growth rate of 0.88%.
To find the approximate US population in July 2009, we need to apply the growth rate of 0.88% to the initial population in July 2008.
Convert the growth rate from percentage to decimal:
0.88% = 0.0088
Calculate the number of people added to the population in 2008: 302,000,000 * 0.0088 = 2,657,600
Add this number to the initial population to find the population in July 2009:
302,000,000 + 2,657,600 = 304,657,600.
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Please help! Equation is below.
The remainder when p(x) = x^4 - 4x³ - 11x² + 66x - 72 is divided by x - 4 is given as follows:
16.
What is the remainder theorem?The Remainder Theorem is a theorem in algebra that provides a quick way to find the remainder of a polynomial division problem. The theorem states that when a polynomial f(x) is divided by (x - a), the remainder is equal to f(a).
Hence for this problem, the remainder is given by the numeric value at x = 4, which is calculated as follows:
p(4) = 4^4 - 4(4)³ - 11(4)² + 66(4) - 72
p(4) = 16.
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(c) explain, in a few sentences, what causes a graph of a function in polar coordinates to pass through the origin. how is this different from what makes a graph of a function in rectangular coordinates pass through the origin?
the condition for a function's graph to pass through the origin in polar coordinates is that the function's value at θ=0 is equal to zero, while the condition for a function's graph to pass through the origin in rectangular coordinates is that the function's value at (0,0) is equal to zero.
How to solve the question?
In polar coordinates, a graph of a function passes through the origin if and only if the function's value at θ=0 is equal to zero. This is because the origin in polar coordinates represents the point (r=0, θ), where r is the distance from the origin and θ is the angle of the point with respect to the positive x-axis. When a function's value at θ=0 is equal to zero, it means that the point on the graph at θ=0 lies on the positive x-axis and has a distance of r=0 from the origin, which is the origin itself.
In contrast, a graph of a function in rectangular coordinates passes through the origin if and only if the function's value at (0,0) is equal to zero. This is because the origin in rectangular coordinates represents the point where the x and y axes intersect, and a point on the graph with coordinates (x,y) passes through the origin if and only if x=0 and y=0, which means the function's value at (0,0) is equal to zero.
In summary, the condition for a function's graph to pass through the origin in polar coordinates is that the function's value at θ=0 is equal to zero, while the condition for a function's graph to pass through the origin in rectangular coordinates is that the function's value at (0,0) is equal to zero.
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£13,000 was deposited in a savings account that pays simple interest. After 15 years, the account contains £19,825. Work out the annual interest rate of the account. Give your answer as a percentage (%) to 1 d. P. £ 13,000 was deposited in a savings account that pays simple interest. After 15 years , the account contains £ 19,825. Work out the annual interest rate of the account. Give your answer as a percentage ( % ) to 1 d. P.
The annual interest rate of the account is 3.5%
The formula for simple interest is:
I = Prt
where I is the interest earned, P is the principal (initial amount deposited), r is the annual interest rate (as a decimal), and t is the time in years.
We know that P = £13,000, t = 15 years, and I = £19,825 - £13,000 = £6,825.
Plugging in these values, we get:
£6,825 = £13,000 * r * 15
Simplifying this equation, we get:
r = £6,825 / (£13,000 * 15) = 0.035 = 3.5%
Therefore, the annual interest rate of the account is 3.5% to 1 decimal place.
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The question is: Emily sold 56 of the 145 bracelets. What percent of the bracelets did she sell? Show your strategy.
Answer:
[tex]percentage = \frac{56}{145} \times 100[/tex]
56/145×100
0.386...×100
38.6%
3. How are the areas of the shaded
triangle and the rectangle related?
Select all that apply.
10 in.
4 in.
A The area of the rectangle is twice
the area of the shaded triangle.
The area of the shaded triangle is
twice the area of the rectangle.
The area of the rectangle is
one-half the area of the shaded
triangle.
The area of the shaded triangle is
one-half the area of the rectangle.
The area of the shaded triangle
is the same as the area of the
rectangle.
Based on the given information, the correct statement is: The area of the rectangle is twice the area of the shaded triangle.
What is the rectangle about?The shaded triangle is a part of the rectangle, as indicated by the given dimensions of 10 in. and 4 in. The shaded triangle is formed by one of the shorter sides of the rectangle and a diagonal line connecting the opposite corner of the rectangle to the midpoint of that shorter side.
Since the area of the rectangle is given by the formula length × width, the area of the rectangle is 10 in. × 4 in. = 40 square inches.
On the other hand, the area of the shaded triangle is given by the formula 1/2 × base × height, where the base is the length of the shorter side of the rectangle (4 in.) and the height is the length of the longer side of the rectangle (10 in.) divided by 2, since the triangle only occupies half of the height of the rectangle.
So, the area of the shaded triangle is 1/2 × 4 in. × (10 in./2) = 1/2 × 4 in. × 5 in. = 10 square inches.
Comparing the area of the rectangle (40 square inches) to the area of the shaded triangle (10 square inches), we can see that the area of the rectangle is indeed twice the area of the shaded triangle. Therefore, the correct statement is "The area of the rectangle is twice the area of the shaded triangle."
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five birds were perched on a branch could half of the fly away why or why not
Violet rents a bike in a city she is visiting. She pays an initial fee of $2.50 plus $3.75 per hour she rents the bike. Which equation can be used to find y, the total cost of renting a bike, if x represents the number of hours Violet rents the bike?
Answer: y = 3.75x + 2.50
Step-by-step explanation:
The equation that can be used to find y, the total cost of renting a bike, if x represents the number of hours Violet rents the bike is:
y = 3.75x + 2.50
Explanation:
Violet pays an initial fee of $2.50, which is a fixed cost that does not depend on the number of hours she rents the bike. Additionally, she pays $3.75 per hour she rents the bike, which is a variable cost that depends on the number of hours. Therefore, the total cost of renting a bike (y) can be expressed as the sum of the fixed cost ($2.50) and the variable cost ($3.75x), which gives the equation:
The average high temperatures in degrees for a city are listed.
58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57
If a value of 71° is changed to 93°, which of the following measures changes the most and what is the new value?
A: Mean 82.3°
B: Median 86.5°
C: Range 48°
D: IQR 34°
if someone has the time, pls help me
The steps for each expression here is
a.
Step 1: (x)-2
Step 2: 9-2
Step 3: 7
b.
Step 1: 3(y)+2
Step 2: 3*7+2
Step 3: 23
c.
Step 1: 8+((r)/6)
Step 2: 8+(24/6)
Step 3: 12
What is meant by expression?
An expression is a representation of a mathematical equation, logical statement, or string of characters using symbols, numbers, and operators. It can be evaluated to produce a value or result. In programming, expressions can be used to assign values to variables, perform mathematical operations, or compare values. They are an essential part of most programming languages and play a crucial role in the execution of computer programs.
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A jar contains 30 red marbles, 50 blue marbles and 20 white marbles. you pick one marble from the jar at random. find the probability of selecting a marble that is not blue
Answer:
50/100 or 1/2 or 50%
Step-by-step explanation:
total = 30 + 20 + 50 = 100
the probability of choosing a marble that is not blue is equal to the total minus all marbles that are blue therefore 100-30-20=50 therefore the probability is 50/100 or 1/2 or 50%
A zoologist selected 12 black bears in a Canadian habitat at random to examine the relationship between the age in years, x, and the weight in tens of pounds, y. The 95 percent confidence interval for estimating the population slope of the linear regression line predicting weight in tens of pounds based on the age in years given by 1.272+/-0.570. Assume that the conditions for inference for the slope of the regression equation are met. Which of the following is the correct interpretation of the interval?
It can be concluded that we are 95 percent confident that the mean increase in the weight of a black bear for each one year increase in the age of the bear is between 7.0 and 18.4 pounds.
What is mean?
In statistics, the mean is one of the measures of central tendency which is nothing but simple average, apart from the mode and median. Mean is the average of the given set of values. Mean denotes the equal distribution of values for a given set of data.
A zoologist selected 12 black bears in a Canadian habitat at random to examine the relationship between the age in years, x, and the weight in tens of pounds, y. The 95 percent confidence interval for estimating the population slope of the linear regression line predicting weight in tens of pounds based on the age in years given by 1.272 ±0.570.
From the given data it is clear that the 95 confidence interval given by 1.272±0.570, or (0.702,1.842)
[ 1.272-0.570 = 0.702 and 1.272+0.570= 1.842]
It estimates the relationship between weight in tens of pounds and age in years. So the given data makes us 95 percent confident that the mean increase in the weight of a black bear must be in between 7.02 and 18.42 pounds and it is for each one-year increase in the age of the bear.
Hence, it can be concluded that we are 95 percent confident that the mean increase in the weight of a black bear for each one year increase in the age of the bear is between 7.0 and 18.4 pounds.
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Which statement is true?
From Lesson 9.06 Probability & Two-Way Tables
The two-way table shows the ages of the players on different soccer teams.
A 6-column table has 4 rows. The first column has entries 8 years old, 9 years old, 10 years old, Total. The second column is labeled Team A with entries 4, 9, 2, 15. The third column is labeled Team B with entries 6, 4, 3, 13. The fourth column is labeled Team C with entries 8, 3, 5, 16. The fifth column is labeled Team D with entries 3, 7, 4, 14. The sixth column is labeled Total with entries 21, 23, 14, 58.
Which statement is true?
The probability that a randomly selected player on Team C is 10 years old is StartFraction 5 Over 16 EndFraction.
The probability that a randomly selected player on Team A is 8 years old is StartFraction 4 Over 21 EndFraction.
The probability that a randomly selected 8-year-old player is on Team C is StartFraction 16 Over 21 EndFraction.
The probability that a randomly selected 10-year-old player is on Team B is StartFraction 13 Over 58 EndFraction.
The statement that is true is:
The probability that a randomly selected player on Team C is 10 years old is 5/16.
Option A is the correct answer.
We have,
The probability that a randomly selected player on Team C is 10 years old.
= Number of 10 years old players in Team C / Total players in Team C
= 5./16
The probability that a randomly selected player on Team A is 8 years old.
= Number of 8 years old players in Team A / Total players in Team A
= 4/15
The probability that a randomly selected 8-year-old player is on Team C.
= Number of 8 years old players in Team C / Total 8 years old players
= 8/21
The probability that a randomly selected 10-year-old player is on Team B.
= Number of 10 years old players in Team C / Total 10 years old players
= 5/14
Thus,
The probability that a randomly selected player on Team C is 10 years old is 5/16.
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One of the players scored 13.7 points per game with 4.1 free throw attempts per game. How does this compare to what the model predicts for this player?
if the player in question scored 13.7 points per game with 4.1 free throw attempts per game, his performance is slightly below what the model predicts.
How to solve the question?
To compare the player's performance to what the model predicts, we need to know the factors that the model considers when making predictions. Depending on the complexity of the model, it may take into account a variety of factors, such as the player's position, age, height, weight, shooting percentage, and team performance.
Assuming that we have a relatively simple model that takes into account the player's shooting percentage and free throw attempts, we can make a rough estimate of how the player's performance compares to what the model predicts.
Let's say that the model predicts that a player with a shooting percentage of 50% and 4 free throw attempts per game would score an average of 15 points per game. If the player in question has a shooting percentage of 45%, we can adjust the prediction accordingly. Using a simple linear regression, we can estimate that the player's expected points per game would be:
Expected points per game = 15 - (50 - 45) * 0.2 = 14
So if the player in question scored 13.7 points per game with 4.1 free throw attempts per game, his performance is slightly below what the model predicts. However, it's important to note that this is just a rough estimate based on a simple model, and there may be many other factors that could affect the player's performance, such as injuries, fatigue, or changes in the team's strategy. Therefore, we should not rely solely on statistical models to evaluate a player's performance, but also consider other factors such as the player's overall contribution to the team and their ability to make key plays in crucial moments.
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Katie's claim can be represented by the equation: a² ¢= 4(1/2ab) + b²
How to explain the equationKatie's claim can be represented by the equation:
Outer square area = Sum of areas of four triangles + Inner square area or mathematically, a² = 4(1/2ab) + b²
where "a" and "b" are the lengths of the legs of the right triangle and "a²" represents the area of the outer square, while "b²" represents the area of the inner square.
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The steeple of a tower is covered in copper foil. The tower is a prism with a regular hexagonal base, a height of 100 m, and a lateral area of 2400 m2. The steeple is a pyramid with the same base as the tower and composed of equilateral triangles. What is the exact amount of copper foil covering the steeple?
The exact amount of copper foil covering the steeple is 720√3 square meters.
The lateral area of the prism is given as 2400 m². We know that the lateral area of a prism is given by the formula:
Lateral area = perimeter of base x height of the prism
Let's denote the side length of the hexagonal base by s. The perimeter of the base is then 6s, and the height of the prism is 100 m. Using the given lateral area, we can solve for s:
2400 = 6s x 100
s = 4 x √15
The base area of the steeple is the same as the base area of the prism, which is given by:
Base area = (3 x √3 x s²) / 2
The steeple is composed of equilateral triangles, so each face of the steeple is an equilateral triangle with side lengths. The area of an equilateral triangle is given by the formula:
Area = (√3 * s²) / 4
The total surface area of the steeple is the sum of the areas of its faces. There are six faces, so the total surface area is:
Total surface area = 6 x Area
Total surface area = 6 x (√3 x s²) / 4
Total surface area = (3 x √3 x s²) / 2
Substituting the value of s we found earlier, we get:
Total surface area = (3 x √3 x (4 x √15)²) / 2
Total surface area = 720 x √3
Therefore, the exact amount of copper foil covering the steeple is 720√3 square meters.
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Look at this rectangle:
4 cm
2 cm
If both dimensions are doubled, then which of the following statements about its perimeter
will be true?
The new perimeter will be 2 times the old perimeter.
The new perimeter will be of the old perimeter.
2
The new perimeter will be 3 times the old perimeter.
Submit
The new perimeter will be 4 times the old perimeter.
Answer:
The new perimeter will be 2 times the old perimeter.
Step-by-step explanation:
Both dimensions are doubled doubled: times 2 or x2 or *2
4*2=8
2*2=4
if both measures are doubled, then the result will be doubled too.
PLEASE ANSWER QUICK!!! 20 POINTS!!!!1
Suppose the length of voicemails (in
seconds) is normally distributed with a mean
of 40 seconds and standard deviation of 10
seconds. Find the probability that a given
voicemail is between 20 and 50 seconds.
10
20
30
40
P = [?]%
Hint: use the 68 - 95 - 99.7 rule.
50 60
70
Enter
Answer:
P=9600000000
Step-by-step explanation:
1 point is =0.150119
40x10=400x20=8000x50x400000x10=400000x20=800000x30=240000000x40=9600000000
The weights of cans of Ocean brand tuna are supposed to have a net weight of 6 ounces. The manufacturer tells you that the net weight is actually a Normal random variable with a mean of 5. 95 ounces and a standard deviation of 0. 2 ounces. Suppose that you draw a random sample of 42 cans. Part i) Suppose the number of cans drawn is doubled. How will the standard deviation of sample mean weight change? A. It will decrease by a factor of 2?. B. It will increase by a factor of 2?. C. It will decrease by a factor of 2. D. It will increase by a factor of 2. E. It will remain unchanged. Part ii) Suppose the number of cans drawn is doubled. How will the mean of the sample mean weight change? A. It will increase by a factor of 2?. B. It will decrease by a factor of 2?. C. It will increase by a factor of 2. D. It will decrease by a factor of 2. E. It will remain unchanged. Part iii) Consider the statement: 'The distribution of the mean weight of the sampled cans of Ocean brand tuna is Normal. A. It is an incorrect statement. The distribution of the mean weight of the sample is not Normal. B. It is a correct statement, but it is not a result of the Central Limit Theorem. C. It is a correct statement, and it is a result of the Central Limit Theor
The standard deviation of the sample mean weight will decrease by a factor of √2, so the answer is C) It will decrease by a factor of 2. The mean of the sample mean weight will remain unchanged, so the answer is E) It will remain unchanged. It is a correct statement, and it is a result of the Central Limit Theorem, so the answer is C) It is a correct statement, and it is a result of the Central Limit Theorem.
When the sample size is doubled, the standard deviation of the sample mean weight decreases by a factor of √2 according to the formula σ/√n, where σ is the standard deviation of the population and n is the sample size. So, The correct answer is C).
The mean of the sample mean weight is an unbiased estimator of the population mean and is not affected by the sample size. Therefore, doubling the sample size will not change the mean of the sample mean weight. So, The correct answer is E).
The Central Limit Theorem states that the distribution of the sample mean approaches a normal distribution as the sample size increases, regardless of the underlying distribution of the population. Therefore, the statement is correct and a result of the Central Limit Theorem. So, The correct answer is C).
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