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3 years ago

How do you solve this problem

Mathematics

2 answers:

S_A_V [24]3 years ago

6 0

Answer:

you multiply 2y x 2y x 2y x 2y x 2y x 2y

Step-by-step explanation:

Tamiku [17]3 years ago

5 0

Answer:

V= $8y^{15} ft^3$

Step-by-step explanation:

The volume of a cube is l*w*h, and since l,w,h are all the same multiply $2y^5$ by itself thrice and use exponent rules, which looks like this:

$(2y^5)^3\\(2)^3(y^5)^3\\8y^{15}$

If this helped, a brainliest would be greatly appreciated!

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MaRussiya [10]

Answer:

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Step-by-step explanation:

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3 years ago

-64=(2cos(pi/2)+2i sin(pi/2))^n..... n=??

zvonat [6]

Answer:

The real solution is $n=6$ .

Step-by-step explanation:

$\cos(\frac{\pi}{2})=0$ while $\sin(\frac{\pi}{2})=1$

So the equation becomes:

$-64=(2(0)+2i(1))^n$

$-64=(0+2i)^n$

$-64=(2i)^n$

We know that $2^6=64$ . So let's see what $n=6$ gives us:

$(2i)^6=64i^6=64i^4i^2=64(1)(-1)=-64$ .

$-64$ is the result we wanted.

$n=6$ is therefore a solution.

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3 years ago

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anyanavicka [17]

Answer:

Step-by-step explanation:

2 ÷ 1/2 = 4

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valentinak56 [21]

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Step-by-step explanation:

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2 years ago

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Answer:

Step-by-step explanation:

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