Helppppppppp

In a recent year, there were 15,900,000 high school
students in the United States. Suppose 250,000 of a
random sample of 500,000 high school students
during that year played on a sports team. Estimate
the total number of U.S. High school students that
played on a sports team that year.

Answers

Answer 1

Answer:

The total number of U.S. high school students that played on a sports team that year can be estimated to be 7,950,000.

Step-by-step explanation:

From the random sample, we can expect that [tex]\frac{250000}{500000}=\frac{1}{2}[/tex] of all students played on a sports team that year. So in the bigger sample of 15900000 high school students, we can expect [tex]15900000 \cdot \frac{1}{2} = 7950000[/tex] students to have played on a sports team that year.

Related Questions

A fisherman weighs an ahi tuna (a very large fish) on a scale and gets a reading of 135
pounds. The reading on the scale may have an error of up to 5%. What are two possible
values for the actual weight of the fish?

Answers

Answer:

Either 128.25-reduced by 5 percent or

141.75 increased by 5 percent

Step-by-step explanation:

i think it’s 141.75 increased by 5 percent

Which of the following linear equations
has a negative slope? Circle all that apply.

A. y= -6x + 4
B. y= 5 + 2x
C. y= -5
D. y= 3 - 3/4x
E. y= -1
F. y= 1/2x - 2

Answers

Answer:

A and D

Step-by-step explanation:

the slope is the number in front of the x, as in the formula y = a*x + b

the linear equations that have a negative value for a have a negative slope

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1. Quadrilateral J is reflected across the x-axis.
What is the image of the reflection?
The image of reflection is -y
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2. Which two quadrilaterals are reflections of each
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3. How are quadrilaterals Hand J related?
Answer Q#3 here
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Draw the image of the figure after each reflection.
4. across the x-axis
5. across the y-axis
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Answers

Answer:

there's is possible your head will crack there so don't try it at home for try it in home ok stay safe don't hurt ur heads

Step-by-step explanation:

see such a good answer

arthur is building a rectangular sand box for his son ther area of the sandbox is 17 23/32 square feet if the length of the sand box is 3 3/8 feet what is the width of the sand box

Answers

Answer:

i think its uh carrot

Step-by-step explanation:

The answer is 5.25 ft

Graph the line with a slope of 2/3 that contains the point (−3,−5)

Answers

Answer:

Step-by-step explanation:

So for the given information, it would be easiest to use slope-intercept form, which is y=mx + b, where m is the slope and b is the y-intercept.

We can plug in 2/3 for the slope, because we are given that.

y=2/3x + b.

To find the y-intercept, plug in the given point for x and y and solve for b.

-5 = 2/3 · (-3) + b

-5 = -2 + b

b = -3

So now we have the complete equation of the line.

y = 2/3x -3

Now to graphing.

We can put the y-intercept, (0, -3), and the given point, (-3, -5) on a graph.

A colony of bacteria starts out with 175 cells and they double every hour write an equation that models the number of cells y after x hours

Answers

Answer:

200

Step-by-step explanation:

What is 9/2 × 20/3 × 9/4?

Answers

Answer:

67.5

Step-by-step explanation:

4.5 times 6.66 times 2.25 will be 67.5

Well, when multiplying fractions together, you don’t really have any problem of converting fractions for common denominators or any of that stuff and instead it’s actually quite simple because you just have to straight multiply the numerators and the denominators

9/2 * 20/3 * 9/4
= (9 * 20 * 9)/(2 * 3 * 4)
= (1620)/(24)
= 1620/24
= 67.5

So, in conclusion, 9/2 * 20/3 * 9/4 is equal to 67.50 or 1620/24.

The Burj Khalifa, a building in Dubai, United Arab Emirates, is about 828 meters tall. Brody is making a scale model of this building, using the scale factor 1:500.

To the nearest tenth, how tall should Brody's model of the Burj Khalifa be?

Enter your answer as a decimal in the box.

m

Answers

Answer:

1.7 is the answer hope this helps.

Step-by-step explanation:

Brody's model of the Burj Khalifa be 1.7 meters tall to the nearest tenth.

What is a scale factor?

The ratio of the scale of an original thing to a new object that is a representation of it but of a different size is known as a scale factor (bigger or smaller).

Given:

The Burj Khalifa, a building in Dubai,

United Arab Emirates, is about 828 meters tall.

Brody is making a scale model of this building,

using the scale factor 1:500.

The height of the model = 828 / 500 = 1.656

= 1.7 to the nearest tenth.

Therefore, the model is 1.7 meters tall to the nearest tenth.

To learn more about the scale factor;

https://brainly.com/question/29464385

#SPJ6

I need help with solving these math problems please!!!

Answers

The first blank would be angle sand the second blank would be sides

Answer:

In the triangle below the red side is a leg and should be labeled a . The pink side is a leg and should be labeled b. and the light blue side is the hypotenuse and should be labeled c.

In right triangles the angles are labeled with upper case letters and the sides are labeled with lower case letters.

Step-by-step explanation:

775 decreased by 1.8%

Answers

Answer:

761.05

Step-by-step explanation:

Answer:

761.05

Step-by-step explanation:

You're welcome.

88 is a solution to (1/8) x =11 because if x = 88 then the equation (1/8) x = 11 is true.

Answers

Answer:

True

Step-by-step explanation:

To check to see if the statement given is true we need to substitute x with 88 and solve.

[tex](1/8)x=11[/tex]

Substitute 'x' for 88.

[tex](1/8)88=11\\\\\boxed{11=11}[/tex]

88 is a solution to the equation, therefore the statement is true.

Hope this helps.

A cat's heart rate beats about 130 beats per minute. A kitten's heartbeat can be as fast as 240 beats per minute. What fraction of the kittens heart rate is the cat's heart rate? Write the answer in simplest form

Answers

Answer:

13/24

Step-by-step explanation:

For every 24 heart beats of the kitten, the cats heart beats 13 times.

Mrs. Brown uses
1/4 package of graph paper for each class. She needs 1 1/2 packages to serve all of her
classes. How many classes does Mrs. Brown teach?

Answers

Answer:

Step-by-step explain

1.5 divide by .25 = 6

Find the value of x.
2x
120°
700
A. 55
B. 35
C. 25
D. 10

Answers

Answer:

for this question you need to take the 12p and 700 and add then dived by 2x which then gives you your answer

The person on the top is correct

Jane moved from a house with 66 square feet of closet space to an apartment with 37.62 square feet of closet space. What is the percentage decrease of Jane's closet space?

Answers

Answer:

Step-by-step explanation:

Identify whether the expressions are equivalent or not equivalent: 7y – 15 + 2y and 9y - 15

Answers

Answer:

Yes, the two expressions are equivalent

The given expression 7y - 15 + 2y and 9y - 15 are equivalent.

What is equivalent expression?

Two algebraic expressions are said to be equivalent if their values obtained by substituting the values of the variables are same, even they look different.

According to the given question.

We have two expressions

[tex]7y - 15 + 2y ...(i)[/tex]

And, [tex]9y - 15 ...(ii)[/tex]

The expression (i) can be written as

[tex]7y - 15 + 2y[/tex]

[tex]=(7y + 2y)-15[/tex] (adding the like terms)

[tex]= 9y -15[/tex]

Hence, the given expression 7y - 15 + 2y and 9y - 15 are equivalent.

Find out more information about equivalent expression here:

https://brainly.com/question/27733205

-6p-3=9 what does p equal

Answers

Answer:

-2

Explanation:

-6 x -2 = 12

12 - 3 = 9

Answer:

p=-2

Step-by-step explanation:

Move the -3 to the other side by adding 3 on both sides:

-6p-3+3=9+3

The equation now looks like this:

-6p=12

Divide -6 on both sides:

-6p/-6=12/-6

The equation now looks like this:

p=-2 which is the answer

Hope this helps!

f(x)=x+5
X=10
What is f(x)= ?

Answers

15. you are basically doing 10+5. hope this helps :))

What is the total area of the figure below?

Answers

Answer:

141

Step-by-step explanation:

First find the area of the trapezoid

(16 + 10) * 9 / 2 = 117

Then find the area of the triangle

0.5 * b * 6 = 24

Add them both together

117 + 24 = 141

Answer: 141

GIVE ME BRAINLEST

Step-by-step explanation:

Rita sells beaded necklaces. Each large necklace sells for 5.30 and each small necklace sells for 4.80. How much will she earn from selling 7 large necklaces and 1 small necklace?

Answers

Answer:

$41.9

Step-by-step explanation:

The difference between six times a
number and one is seventeen

Answers

Answer:

Step-by-step explanation:

17 + 1 = 18

18/6 = 3

Which of the following is a model that shows the flow of energy through an
ecosystem?
a. Niche
b. Energy bar graphs
c.Food chain
d. Food web

PLEASE GIVE ME THE RIGHT ANSWER

Answers

A food web
It shows the flow of an energy iban ecosystem

Is the answer to -8/-8 positive or negative?

Answers

Answer: positive

Step-by-step explanation:

A negative divided by another negative is always positive. Same rule applies to multiplication. Double negatives equal positives

I NEED HELP WITH THIS ASAP
[tex]( {y}^{2} - 2y - 29) \div (y - 6)[/tex]

Answers

This should be correct

PLEASE ANSWER PLEASEE!!!!!!!

Answers

Answer:

they would both be 61°

Step-by-step explanation:

when the angles make out a straight line it equals to 180 and 180 subtracted to 119 comes out to 61 and both b and c are vertical angles which would make them congruent

Answer:

B= 61 C=61

Step-by-step explanation:

You can see how there is a straight line (180 degrees) so if you do 180-119 you get 61 degrees

Find the volume show work

Answers

10in x 13 in x 13 in = 1690 cm squarws

Solve the system by substitution.
y = 5x
y = 9x + 4

Answers

Answer:

(-1, -5)

Step-by-step explanation:

[tex]\left \{ {{y=5x} \atop {y=9x+4}} \right.[/tex]

1. We must calculate x, for that we must substitute y, so we have:

5x=9x+4

2. Now we solve the equation.

5x-9x=4

-4x=4

x=-1

3. Now we must calculate y

y=5x

y=5(-1)

y=-5

And the answer is (-1, -5)

Complete the table below to find solutions to the linear equation 3x+y=−21.

Answers

x = -7 - y/3]

hope this helped!

Answer:

Step-by-step explanation:

-2

-5

ok ignore the thing that says do it the way i sowed you in class

Answers

the way to do this question is : difference of the two sides < x < sum of the two sides. so for 1) 4 < x< 8
2) 8 < x< 16
3) 9 < x < 13
i’m pretty sure this is right! hope it helps!

Can someone help me with these questions immediately? Thank you!

Answers

Answer:

................................................

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Helppppppppp In a recent year, there were 15,900,000 high school students in the United States. Suppose 250,000 of a random sample of 500,000 high school students during that year played on a sports team. Estimate the total number of U.S. High school students that played on a sports team that year.

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