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Artyom0805 [142]
2 years ago
7

Evaluate (−3) ^−3

Mathematics
1 answer:
Fynjy0 [20]2 years ago
4 0
<h3>Answer:</h3>

-1/27

<h3>Solution:</h3>
  • If we have a number to a negative power, we flip the number over, like so:
  • -3- > \displaystyle\frac{1}{(-3)^3}
  • Simplify:
  • \displaystyle\frac{1}{-27} =-\frac{1}{27}

Hope it helps.

Do comment if you have any query.

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-4(4-x)=4/5(x+16) I need help
Dominik [7]

Answer:

x=9

Step-by-step explanation:

−4(4−x)=4/5(x+16)

(−4)(4)+(−4)(−x)=(4/5)(x)+(4/5)(16)(Distribute)

−16+4x=4/5x+64/5

4x−16=4/5x+64/5

4x−16−4/5x=4/5x+64/5−4/5x

16/5x−16=64/5

16/5x−16+16=64/5+16

16/5x=144/5

(5/16)*(16/5x)=(5/16)*(144/5)

x=9

hopfully this helps answer: x=9

4 0
3 years ago
Cotθ= tan30° find theta
scoundrel [369]

Answer:

60

Step-by-step explanation:

Cot is the same as 1/tan so:

1/tan(theta) = tan(30)

By rearranging the equation, we get:

1/tan(30) = tan(theta)

By taking the inverse tan, we get:

theta = tan^-1 (1/tan(30)) =60

7 0
2 years ago
Can y’all convert these fractions to a percentage
nadya68 [22]

Answer:

All of them?!?!

Step-by-step explanation:

ill do a couple 1. 20% 12. 70% 26. 65% 17. 44%

5 0
2 years ago
Which polynomial represents the area?
murzikaleks [220]

Answer:

A is the Answer.

Step-by-step explanation:

You multiply x with 2x ( Gives you 2x^2 ) then -1 with 2x ( Gives you -2x ) then -8 with x ( Gives you -8x ) then -1 with-8 ( Gives you +8 ), finally you add the two x's ( not x^2 ). Your fibal answer will be 2x^2 - 10x +8.

Hope this helps.

5 0
3 years ago
Referring to the figure, find the unknown
yulyashka [42]

Answer:

19

Step-by-step explanation:

45-45-90 triangles always have two legs that are the same length, and a hypotenuse that is the length of the leg times sqrt 2.

Given the position of x, we know it is a leg and must be equal to the other leg, which is 19.

3 0
3 years ago
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