seth and Brian ran the 200 yard dash at the track meet. Brian reached the finish line in 30 seconds. Seth ran 25 feet per second. who finished the race first? explain your reasoning.

Answers

Answer 1

Answer: ok so we know that brian took 30 seconds to finish the race, but we don't know how long seth took. The problem told us the race was 200 yards and that seth ran 25 feet per second. From those two pieces of information, we can figure out how many seconds it took seth to run 200 yards. Since the problem told us he ran 25 FEET per second, we will convert the length of the track from yards to feet. There are 3 feet in a yard, so the track is 600 feet. Since he ran 25 feet per second, if we divide the length of the track by the speed he ran, we will get how long it took him to run. So 600 divided by 25 will give us 24 seconds. So Brian ran the race in 30 seconds and Seth ran it in 24, so Seth ran the race the fastest!

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What is the easiest way to put a percentage into a fraction

Answers

Put the percent over 100 and reduce.

For example, 75%. Put it over 100: 75/100. Reduce to 3/4.

Put the percentage number over 100

$(given.percentage)/(100)$

x% = $(x)/(100)$

Why do engineers use math

Answers

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What is 70/6 times 18/4 in simplest form

Answers

70/6 × 18/4

70 * 18/6*4. cross out 18 and 6.

= 70*3/4

= 35 * 2 * 3/ 2*2

= 35*3/2

= 105/2

= 52.5

OR

52 1/2.

70/6*18/4 = 105/2=52.5 52.5= $\boxed{32 (1)/(2)} \n$

The question is in the picture pls help!!!

Answers

Answer:

it's the 4th one

Step-by-step explanation:

Because ab is not negative but c has the negative sign in front of it

the answer would be “one integer is positive and one integer is negative”

EXPLANATION:
1.) if both integers are positive they will be positive
2.) if both integers are negative they will be positive
!! SAME SIGNS = POSITIVE !! FOR MULTIPLICATION AND DIVISION
3.) one integer is zero and other is negative would mean the answer is 0 and 0 has no sign
4.) is correct because different sign = positive (for multiplication and division)

hope that helps!!! pls mark brainliest if u can or want :)

What is 0.008 as a percent

Answers

0.008 as a percent is 0.8%.

0.8% is the same as 0.008 but in a percent.

To change a number into a percent you need to times the number with 100.
So 0.008 time 100 is 0.8%.

A student needs to make a circular cardboard piece with an area between 154 square inches and 616 square inches. The function f(r) relates the area of the cardboard piece, in square inches, to the radius r in inches. Which of the following shows a reasonable domain for f(r)?7 < r < 14

154 < r < 616

all positive integers less than 7

all positive integers between 14 and 154

Answers

The area of the circle by definition is given by:
$f (r) = \pi * r ^ 2$
For f (r) = 154:
$154 = \pi * r ^ 2$
Clearing r we have:
$r ^ 2 = 154 / 3.14 r = √(154/3.14) r = 7$
For f (r) = 616:
$616 = \pi * r ^ 2$
Clearing r we have:
$r ^ 2 = 616 / 3.14 r = √(616/3.14) r = 14$
Answer:
a reasonable domain for f (r) is:
7 <r <14

Answer:

7 < r < 14

Step-by-step explanation:

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