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baherus [9]
3 years ago
10

Pls help help me need help!!

Mathematics
1 answer:
Lesechka [4]3 years ago
7 0

Answer:

|-30| + |25|

Step-by-step explanation:

The helicopter is 25 ft above the ledge. The stunt actor is 30 below the edge. The distance from the helicopter to the stunt actor is the sum of the two distances, 25 + 30 = 55 ft. The correct expression must equal 55.

A. |-30| + |25| = 30 + 25 = 55

B. -30 - 25 = -55

C. -30 + 25 = -5

D. |-30| - |25| = 30 - 25 = 5

The correct expression is |-30| + |25| since it it the only expression that equals 55.

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Answer:

The average speed was of 2 miles per hour.

Step-by-step explanation:

Average speed:

Average speed is distance divided by time.

Distance:

Solved by proportions, using rule of three.

1800 steps - x miles

10,000 steps - 5 miles

10000x = 5(1800)

x = \frac{9000}{10000}

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Distance of 0.9 miles.

Using a time of 27 minutes to complete the event, calculate your average speed.

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3 years ago
X+78=3x-2 <br> ..................
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Answer:

x=40

Step-by-step explanation:

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Step-by-step explanation:

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