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Semenov [28]
3 years ago
7

What value of n makes the equation true? Show your work.

Mathematics
1 answer:
3241004551 [841]3 years ago
7 0

Answer:

5n

Step-by-step explanation:

(7^5 * 7^n) ^ 4   = (7^11/7^n)^3

7^(20 + 4n)   =  4.7^15 / n^3

= 20/4 = 5n   and  15/3 = 5n

Answer 5n

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marysya [2.9K]

There is only 1 such plane, so answer is D. 1.

4 0
4 years ago
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PLS HELP ME ASAP! 8) Determine the side length of the cube whose volume is 729 cubic inches. (explain-answer)
jeka57 [31]

Answer:

The side length of the cube is 9.

Step-by-step explanation:

To find the volume of a cube you use the equation V=E³, although edge can mean length.

Since we already know the volume though, we have to do this equation backwards, and find the cubed root of 729.

To do this we do \sqrt[3]{729\\} which will give us our answer of 9 cubic inches.

Hope this helped!

4 0
3 years ago
Need help with this algebra problem ALG 2A
nikdorinn [45]

Answer:

If you are trying to simplify the expression, the answer is -14x^2+8x-37

Step-by-step explanation:

First, keep removing the parentheses.

(x-1)(2-x)+(x^2+5)(x-7) -x^2(x+6)

Next, try expanding the expression.

3x - x^2 - 2+ (x^2+5)(x-7)-x^2(x+6

3x-x^2-2+x^3-7x^2+5x-35-x^2(x+6

3x-x^2-2x^3-7x^2+5x-35-x^3-6x^2

Finally, simplify the expression.

-14x^2 8x-37

I hope this helped to answer your question.

5 0
3 years ago
Through: (-1,-1), perp.<br> to x=0
andriy [413]

Answer: negative 1 minus another negitive 1 give you zero/X

Step-by-step explanation:

7 0
4 years ago
Someone please help me
almond37 [142]

Answer:

(5, -5)

Step-by-step explanation:

The 2 lines cross at (5, -5)

8 0
3 years ago
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