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Bezzdna [24]
3 years ago
6

Find the value of x

Mathematics
1 answer:
Taya2010 [7]3 years ago
5 0

So for this, we will be using proportions. In this case, our proportion will be \frac{3}{6} =\frac{6}{x}

Firstly, cross-multiply: 36 = 3x

Next, divide both sides by 3 and your answer will be: 12 = x

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8 to power -2 multiplied by a to power of 7
levacccp [35]
<span> (8^ -2)(4^4)(16^ -1)

</span>
<span>a^-x=(1/a^x)

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<span> (4^4)/((8^2)(16))

"NOTE"  </span><span>16^1=16

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<span>4^4=256

 8^2=64

256/((64)(16))=1/4
</span>
<span>convert 1/4 to a power of two
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<span>(4) is 2

 1/4=1/(2^2)
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<span>1^2=1

 (1/2)^2=(1/4)

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<span>1/2 to the power of 2 is the answer

It would look like this

1/2²
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8 0
4 years ago
How many solutions does this system have?<br> 2x-4y=8
ExtremeBDS [4]

Answer:

1

Step-by-step explanation:

3 0
3 years ago
How to graph y=-3x+15
steposvetlana [31]

Answer:

Well first you put the y-intercept on the graph. In this case it would be 15

So graph the point (0,15)

The you do the slope which is 3

so you always do rise over run for slope.

If 3 were a fraction it would be 3/1 so go up 3 points and the go right 1 point from (0,15)

hope this helps .-.

3 0
4 years ago
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Answer:

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Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Which of the following are solutions to the quadratic equation 2x^2+5x-10=x^2+4
tigry1 [53]

Answer:

E. - 7

Step-by-step explanation:

2x2-X2+5X-10-4=0

X2+5X-14=0

X2-2X+7X-14.=0

X(X-2). 7(X-2)=0

(X+7). (X-2)

X=-7, X=2

8 0
3 years ago
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