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4 years ago

10

Find x? Nnnnnnnnnnnnnnnnnnnnnnn

1 answer:

coldgirl [10]4 years ago

6 0

Cos(x) = 32/40 = 0.8 ⇒ x ≈ 37°

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Evaluate this exponential expression.

Levart [38]

Answer:

$(-27)^\dfrac{2}{3}$ = 9

Step-by-step explanation:

Given that,

Asn expression : $(-27)^\dfrac{2}{3}$

We need to evaluate the above expression.

We know that, $(-3)^3=-27$

So,

$(-27)^\dfrac{2}{3}=(-3)^{3\times \dfrac{2}{3}}$

or

$=(-3)^2\\\\=-3\times -3\\\\=9$

So, the value of $(-27)^\dfrac{2}{3}$ is 9. Hence, the correct option is (b).

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3 years ago

A 10 ft tall tent standing next to a woman

nika2105 [10]

Answer:

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Step-by-step explanation:

Set up a proportion: 10/16=5/x

Solve for x: 80=10x

x=8

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3 years ago

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Harrizon [31]

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Step-by-step explanation:I used a calculator.

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4 years ago

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Darya [45]

Least 1/16,3/16,1/4,5/16,7/16,1/2

3 0

3 years ago

If 40 is decreased by 80%, what is the new amount?

ExtremeBDS [4]

Answer:

The new amount is 8.

Step-by-step explanation:

80% of 40 is 32, so subtract 32 from 40 to get 8.

5 0

3 years ago

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