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IRINA_888 [86]
3 years ago
12

A survey found that 78% of students do their homework before 10:00 P.M. Predict how many students out of 975 do their homework b

efore 10:00 P.M. Select the answer closest to the value.
Mathematics
1 answer:
Ber [7]3 years ago
5 0
I'm pretty sure that it's 760 people out of 975 do there homework before 10pm is because if u multiply 975 by 78% it gives u your answer... I think that's how u find the persentage of a number
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Find the inverse please tell me where to put the dots thanks
aev [14]

Answer:

Draw a line segment from (-7, -2) to (3, 8)

See the diagram below.

You do not have to draw the blue dashed line. It's there to show how the points reflect over.

=========================================================

Explanation:

The inverse will have us swap x and y. The point (x,y) becomes (y,x)

The endpoint (-2, -7) becomes (-7, -2)

Also (8,3) moves to (3, 8)

Visually, these points are being reflected over the line y = x to form the inverse. We only need to worry about the endpoints because 2 points is the minimum needed to form a straight line.

Check out the diagram below. The red segment is the inverse. The blue dashed line is the line y = x. You don't have to plot this line as it's just a visual tool to see what's going on. Your teacher likely will only want the red segment.

Since the original segment is parallel to y = x, the inverse is also parallel to the mirror line. All three lines are parallel.  

8 0
2 years ago
you go out for a long walk you walk 3/4 mile and then sit down to take a rest. then you walk 3/8 of a mile how far did you walk
TiliK225 [7]

<span><span>9/8</span>=1<span> 1/8</span> miles</span>

To calculate the total distance walked, sum the 2 individual distances walked together.

<span>⇒<span>34</span>+<span>38</span></span>

We require to have common denominators, before adding.

<span><span>34</span>×<span>22</span>=<span>68</span></span>

<span>⇒<span>68</span>+<span>38</span>=<span>98</span>=1<span><span>18</span></span></span>
4 0
3 years ago
Paula is a peach grower in central Georgia and wants to expand her peach orchard, there are 30 trees per acre and the average yi
anzhelika [568]

Answer:

b

Step-by-step explanation:

because he planted more than the average

8 0
4 years ago
Which of the following about GH and GJ is true?
Pani-rosa [81]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
George plans to cover his circular pool for the upcoming winter season. The pool has a diameter of 20 feet and the cover extends
MariettaO [177]

For the circular cover we have:

A) The area is 379.94 ft²

B) The length of the rope must be 68.2 ft

<h3>How to get the area of the cover?</h3>

Remember that the area of a circle of radius R is given by the formula:

A = pi*R^2

Where pi = 3.14

In this case, the diameter of the pool is 20ft, then the radius is:

R = 20ft/2 = 10ft

And it must extend 12 inches beyond, then the radius of the cover must be:

R = 10ft + 12in

Now, we know that 1ft = 12 in, then we can rewrite the radius as:

R = 10ft +1ft = 11ft

Then the area of the cover is:

A = 3.14*(11ft)^2 = 379.94 ft^2

B) now we want to get the length of the rope, we know that the rope runs along the cover, then the length of the rope must be equal to the circumference of the cover.

Remember that the circumference of a circle of radius R is:

C = 2*pi*R

Then the length of the rope will be:

C = 2*3.14*11ft = 68.2ft

If you want to learn more about circles:

brainly.com/question/1559324

#SPJ1

7 0
2 years ago
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