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Anettt [7]
3 years ago
9

john runs 2/5 miles in 1/20 of an hour. if he runs at a constant rate, what is his speed, in miles per hour?

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0

Answer:

exactly 8 mph have a good one and stay safe

Step-by-step explanation:

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-(14-2y) +3y+26 how do i find y
Setler79 [48]
Y is behind 2 its in plain sight   
7 0
4 years ago
What is the value of x, given that the two pyramids are similar?
zhenek [66]

Answer:

C

Step-by-step explanation:

Two pyramids are similar. It means that their side lengths are proportional.

So, let's see the proportionality constant from SMALL PYRAMID to LARGE PYRAMID.

The corresponding length of 8 in small pyramid is 24 in large pyramid. We ask ourself:  "8 times WHAT gives us 24?"

This is the proportionality constant (aka "k").

So, 8 times "3" is 24. So the proportionality constant is "3".

k = 3

Now, the height of small pyramid is 6 and height of large pyramid is "x". These sides will be same way proportional. So, we can say:

6 times the proportionality constant (3) would give us x

So,

6 * 3 = x

x = 18

Correct answer is C

7 0
3 years ago
What is the axis of symmetry for the graph of y – 4x = 7 – x2 ?
yKpoI14uk [10]

the axis of symmetry is x=2

8 0
3 years ago
Luna is making a rope ladder. Each step of the ladder is 2 1/3 feet wide and uses an additional 1/2 foot on each end of the step
koban [17]

By taking the quotient between the total length and the length needed for each step, we conclude that Luna can make 9 steps.

<h3>How many steps can she make from the rope?</h3>

To find this, we need to take the quotient between the total length of the rope and the length needed for each step.

She has a total length of 30ft.

For each step she needs (2 + 1/3) ft plus (1/2) ft for each knot, and there are two knots, then each step needs: (2 + 1/3)ft + 2*(1/2)ft = (3 + 1/3) ft.

Then the number of steps that can be made is:

N = (30 ft)/(3 + 1/3) ft. = 9

She can make 9 steps or the lader.

If you want to learn more about quotients:

brainly.com/question/8952483

#SPJ1

6 0
2 years ago
Please just do c thank you
Galina-37 [17]

Answer:

21/70=x/30

Step-by-step explanation:

Noticing that it is referring to problem b, we head over to that. It states two important pieces of information. Only seventy percent of the players participated, and 21 total played. This means we can simply divide 21 by 7, and multiply by 10. This shows us that there are thirty total players because 21/7 is equal to 3, multiplied by 10 is equal to thirty. 30 minus 21 is equivalent to 9, meaning 9 players did not play. The proportion we would use for this is 21:70 equal to x:30. Cross-multiply, and we get 70x = 630. x = 9, thus proving our answer is correct.

3 0
3 years ago
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