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2 years ago

15

A 12-ft ladder is leaning on a building. If the base of the ladder is placed 5 feet from the building, approximately how high do

es the ladder reach?
A. 13 ft
B. 7 ft
C. 11 ft
D. 14 ft

2 answers:

nevsk [136]2 years ago

4 0

The answer is C using the Pythagorean theorem, A^2 + B^2 equals C^2.

Citrus2011 [14]2 years ago

3 0

A^2+b^2=c^2

5^2+b^2=12^2

25+b^2=144

b^2=144-25

b^2=119

SQUARE ROOT BOTH SIDES:

b=10.9

The answer is c.

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Catron evaluates the expression (negative 9) (2 and two-fifths) using the steps below.

Vlad [161]

Answer:

Catron's error is

"She did not follow order of operations"

Step-by-step explanation:

Catron evaluates the expression (negative 9) (2 and two-fifths)

That expression can be written as below

$(-9)(2\frac{2}{5})$

Catron's error is

"She did not follow order of operations"

The corrected steps are

Step1: Given expression is $(-9)(2\frac{2}{5})$

Step2: Convert mixed fraction into improper fraction

$(-9)(2\frac{2}{5})=(-9)(\frac{12}{5})$

Step3: Multiplying the terms

$(-9)(2\frac{2}{5})=-7\frac{-108}{5}$

Therefore solution $(-9)(2\frac{2}{5})=-7\frac{-108}{5}$

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3 years ago

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Lynna [10]

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2 years ago

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timama [110]

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d1i1m1o1n [39]

Answer:

Hi there!

Your answer is:

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Step-by-step explanation:

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