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expeople1 [14]
2 years ago
5

A firefighter sees a woman trapped in a building 47 feet up from the bottom floor. If the firefighter is parked 43 feet away fro

m the bottom of the building, at what angle of elevation, to the nearest degree, should the firefighter extend the ladder to reach the woman?
Mathematics
1 answer:
Airida [17]2 years ago
4 0

Answer:

48 degrees

Step-by-step explanation:

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It will take Adam four hours to drive to Disney Park, and 2.5 times less time if driving 45 mph faster. What is the distance Ada
Travka [436]

Answer:

120 miles

Step-by-step explanation:

we know that

The speed is equal to the distance divided by the time

Let

s------> the speed in mph

d-----> the distance in miles

t -----> the time in hours

s=d/t

solve for the distance

d=s*t

<em>It will take Adam four hours to drive to Disney Park</em>

s=x mph

t=4 h

substitute

d=4x -----> equation A

<em>It will take Adam 2.5 times less time if driving 45 mph faster</em>

so

s=(x+45) mph

t=4/2.5=1.6 h

substitute

d=1.6(x+45) -----> equation B

equate equation A and equation B

4x=1.6(x+45)

Solve for x

4x=1.6x+72

4x-1.6x=72

2.4x=72

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Find the distance d

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3 0
3 years ago
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The average number of points you scored in the first 9 basketball games of the season was 23. What do you need in the 10th game
Vlada [557]

Answer:

B. 10n-207

Step-by-step explanation:

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i.e. OPTION B is correct.

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2 years ago
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anastassius [24]

Answer:

1. I have simplified the first question:

x=\frac{10-ab}{a-4};\quad \:a\ne \:4

2. I have found the parabola properties:

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