3 years ago

A tree is 64 feet away from a mirror. At the same time, a girl whose eyes are 5 feet

Mathematics

2 answers:

frutty [35]3 years ago

6 0

If your looking for the number w the Variable for 64, its 64f standing for “64 feet”

MrRissso [65]3 years ago

5 0

I thinkkkkkk 64 feet

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Simplify the following expression. 4a^-2b A.) b/4a^2 B.)4b/a^2 C.)1/4a^b2

Sergio [31]

ANSWER

The correct answer is B

$\frac{4b}{ {a}^{2} }$

EXPLANATION

The given exponential expression is

$4 {a}^{ - 2} b$

We can rewrite this as,

$4b \times {a}^{ - 2}$

We need to simplify to obtain a positive index, so we apply the following property,

${a}^{ - m} = \frac{1}{ {a}^{m} }$

This implies that,

$4b \times {a}^{ - 2} = 4b \times \frac{1}{ {a}^{2} }$

This will finally simplify to,

$4b \times {a}^{ - 2} =\frac{4b}{ {a}^{2} }$

Therefore the correct answer is B

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Aleks [24]

Answer:

w=4

Step-by-step explanation:

-80/-5=4

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