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slavikrds [6]
3 years ago
11

Solve for a. 4/a+4 =-1/a+9

Mathematics
1 answer:
Bad White [126]3 years ago
5 0

Answer:

a = -8

Step-by-step explanation:

you can solve this proportion by cross-multiplying:

4(a + 9) = -1(a + 4)

now distribute to eliminate parentheses

4a + 36 = -1a - 4

5a + 36 = -4

5a = -40

a = -8

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Korvikt [17]

Applying the Pythagorean theorem, the height of the building is: 24.9 m.

<h3>How to Apply the Pythagorean Theorem?</h3>

Where c is the length of the hypothenuse of a right triangle, and a and b are the legs of the right triangle, the Pythagorean theorem states that:

c = √(a² + b²).

The diagram of the building and its shadow form a right triangle as shown in the image below, where:

a = height of the building

b = 26

c = 36

Applying the Pythagorean theorem, we will have:

a = √(36² - 26²)

a = √(36² - 26²)

a = 24.9 m

Learn more about the Pythagorean theorem on:

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7 0
2 years ago
Explain how you can rename 5,400 as hundreds.
balandron [24]

Answer:

The correct answer would be 54 hundreds

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
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trapecia [35]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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grandymaker [24]
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Answer:

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Step-by-step explanation:

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3 years ago
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