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igor_vitrenko [27]

3 years ago

10

Find the scale factor of the similar shapes below. For your answer please only input the number. Do not include units with your

answer.

1 answer:

zhenek [66]3 years ago

5 0

Answer:

x is 12

Step-by-step explanation:

7.5÷5=1.5

1.5×8=12

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Shkiper50 [21]

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Which expression is equivalent to -6-(-2)?

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What's a divisor a dividend and a quotient<br><br>

Hoochie [10]

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3 years ago

21x =7?<br> A. x=3<br> B. None of these <br> C. x=147<br> D. x=28

Varvara68 [4.7K]

Answer: B

Step-by-step explanation:

To isolate x, you divide both sides by 21

21x=7

$\frac{21x}{21}=\frac{7}{21}$

x = 7/21

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Since, 1/3 is not an option, B is the correct answer

6 0

2 years ago

Determine the value of x to the nearest thousandth in the equation 8(2)^x+3=48

solong [7]

You probably mean either

$8\cdot2^x + 3 = 48$

or

$8\cdot2^{x+3} = 48$

Write 8 = 2³, so that in the first interpretation,

$8\cdot2^x = 2^3 \cdot 2^x = 2^{x + 3}$

and in the second,

$8\cdot2^{x+3} = 2^3 \cdot 2^{x+3} = 2^{x + 6}$

Then in the first interpretation, we have

$2^{x + 3} + 3 = 48 \implies 2^{x + 3} = 45 \implies x + 3 = \log_2(45) \implies x = \log_2(45) - 3 \approx \boxed{2.492}$

Otherwise, the second interpretation gives

$2^{x + 6} = 48 \implies x + 6 = \log_2(48) \implies x = \log_2(48) - 6 \approx -0.415$

8 0

3 years ago