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Zepler [3.9K]
2 years ago
9

A circular running track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is Elena's run

ning speed?
Mathematics
2 answers:
Trava [24]2 years ago
7 0

Answer:

5mph

Step-by-step explanation:

FrozenT [24]2 years ago
5 0

Answer:

25

Step-by-step explanation:

Elena's speed was 25mph

1/4 x 1/20

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What’s the correct answer for this question?
erik [133]

Answer:

B:

Step-by-step explanation:

Measure of ARC AFB is 180°

Why?

This is because AB is a diameter.

4 0
2 years ago
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I’m a given rectangle the shorter side is 2 units less than the longer side. If we let the longer side be represented as the var
jarptica [38.1K]

Answer:

4(x-1)units

Step-by-step explanation:

In a given rectangle, the length of the rectangle is the shorter side while its breadth is the longer side.

Since we have 2 lengths and 2 breadths in a rectangle, the perimeter of the rectangle will be 2L+2x where

L is the length(shorter side) and x is the breadth (longer side).

According to the question, the shorter side(L) is 2 units less than the longer side(x). Mathematically,

L = x-2

Substituting L = x-2 into the formula of perimeter of a rectangle we have,

P = 2(x-2) + 2x

P = 2x-4+2x

P = 4x-4

P = 4(x-1)

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7 0
3 years ago
Which of the following is equal to 1/5^-2<br>A.1/25<br>B.-1/25<br>C.25<br>D.1/7
Ede4ka [16]

Answer:

  C.  25

Step-by-step explanation:

The applicable rule of exponents is ...

  a^b = 1/a^-b

Matching this pattern to your expression, you see that ...

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Then ...

  1/5^-2 = 5^2 = 25

5 0
2 years ago
Translate the description as an algebraic expression:
charle [14.2K]

Answer:

13/20p

Step-by-step explanation:

Here, we want to write an expression from the given statement

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Mathematically. that is 20 * p = 20p

Now to find the ratio, we simply place 12 over the product

We have this as;

13/20p

5 0
2 years ago
At the last showing, 35% of the seats in the theater were empty. If 546 people were in attendance, how many total seats are ther
Arisa [49]

Answer:

=> ( 546 x 65 ) /35 = 294

total seats are there : 294 +546 = 840 seats

Step-by-step explanation:

4 0
2 years ago
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