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Greeley [361]
3 years ago
8

A circular running track is 1/2 a mile long. Elena runs on this track, completing each lap in 1/16 of an hour. What is Elena's r

unning SPEED? Include the unit of measure.
Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0

Answer:

8miles per hour

Step-by-step explanation:

1/16 of hour = 3 minutes and 45 seconds

if the track is 1/2 mile long and elana can run 1 lap in 3 minutes and 45 seconds then she can run 1 mile in 7 and a half minutes.

60/7.5 = 8

Therefore elena is running at 8miles/hour  our and is really slow

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3 years ago
Whats the answer? 30 pts
Doss [256]

Answer:

n = 1

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7 0
3 years ago
The city of Gary has a population of 75,282. Approximately 34.78% of Gary residents have a higher education degree. How many peo
NARA [144]

Answer:

26183

Step-by-step explanation:

Given that,

The population of the city of Gary is 75,282. 34.78% of Gary residents have a higher education degree.

We need to find the no of people in Gary have a higher education degree. It can be simply calcualted by taking 34.78% of 75,282 as follows :

P=75282\times 34.78\%\\\\ =75282\times \dfrac{34.78}{100}\\\\=26183.07

or

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5 0
3 years ago
Find the area of a rectangle having a perimeter of 182 yards and a width 20 yards shorter than twice its length
Studentka2010 [4]
Let the length be l in this equation.

We know that the perimeter of a rectangle is w2 + l2 = P

Width is defined in terms of length, so we know w = l2 - 20

We can substitute this value of w into the formula for perimeter to find the length.

(l2 - 20)2 + l2 = 182

l4 - 40 + l2 = 182

l4 + l2 = 222

l6 = 222

l = 37

So the length is 37. Now that we've found the length, we can go back to the Perimeter formula again and find width.

w2 + (37)2 = 182

w2 + 74 = 182

w2 = 108

w = 54

Width is 54. Now with both of these values found, we can calculate area with the formula l * w = A

37 * 54 = A

1998 = A

So the area of the rectangle is 1998 yards^2.
3 0
3 years ago
You have 3 friends pay $26.55for a pizza and 4 of the same kind of drinks. The pizza cost $18.75. Write and solve an equation to
Kazeer [188]
Well... how about pay the cost and enjoy the pizza and drinks.
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3 years ago
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