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Degger [83]
3 years ago
5

Two identical number cubes are shown in the picture above. The edge length of these number cubes is 7 centimeters.

Mathematics
1 answer:
Alex787 [66]3 years ago
3 0

Answer:

686³

Step-by-step explanation:

To find the answer first take 7 and multiply it by 7 to get 49. That is the area of the base of the cube. Now take 49 and multiply by 7 one more time to get the volume of one cube which is 343³. Now multiply this by 2 to get the volume of two cubes which is 686³ as your answer.

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RSB [31]
Thw degree of 2x^3 is c. 3
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3 years ago
Read 2 more answers
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7nadin3 [17]

<u>Answer</u>

√7 × √5

√3 × √2


<u>Explanation</u>

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4√2*√2 = 4 × √(2×2)

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The expressions that would give irrational answers are: √7*√5  and√3*√2

5 0
3 years ago
Find all values of x for which the series converges. (enter your answer using interval notation. ) [infinity] (4x)n n = 1
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The series converges to  1/(1-9x) for -1/9<x<1/9                  

Given the series is  ∑ 9x^{n} x^{n}

We have to find the values of x for which the series converges.

We know,                

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Here, ∑ (9x)^{n} is a geometric series with |r| = | 9x |

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Hence, the given series gets converge for -1/9<x<1/9

And geometric series converges to a/(1-r)

Here, a = 1 and r = 9x

Therefore, a/(1-r) = 1/(1-9x)

Hence, the given series converges to   1/1-9x  for  -1/9<x<1/9

For more information about convergence of series, visit

brainly.com/question/15415793

#SPJ4

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1 year ago
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Answer:

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Answer:

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