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Brrunno [24]
3 years ago
6

Evaluate 8x for each value of x x=0.5

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
4 0
The answer is 4 because 8*.5=4 or you can also think of is at 8*1/2=4. Hope this helped! 
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SOVA2 [1]

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Step-by-step explanation:

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2 years ago
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Simplify the following expression. 4a^-2b<br><br> A.) b/4a^2<br> B.)4b/a^2<br> 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} }


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6 0
3 years ago
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In the figure, solve for x and y.
evablogger [386]

Answer:

y=124°

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Step-by-step explanation:

For the triangle on the right

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So

x=180-45-68=67°

5 0
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