What is the value of x in the equation-5/8 x = -160

Mathematics

1 answer:

scZoUnD [109]4 years ago

4 0

The correct answer is x=256

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Which expression is equivalent to 36^-1/2

inn [45]

ANSWER

$( {36})^{ (- \frac{1}{2}) } = \frac{1}{6}$

EXPLANATION

The given expression is

${36}^{( - \frac{1}{2} )}$
This is having a negative index. We must first of all change to a positive index.

Recall that,

${a}^{ - m} = \frac{1}{ {a}^{m} }$

We apply this law of exponents to get,

${36}^{( - \frac{1}{2} )} = \frac{1}{ {36}^{( \frac{1}{2} )} }$

We cab rewrite the given expression to obtain;

${36}^{( - \frac{1}{2} )} = \frac{1}{ \sqrt{36} }$

This will simplify to give us,

${36}^{( - \frac{1}{2} )} = \frac{1}{ 6 }$

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3 years ago

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Find the circumference and area of a circle with radius 14m

liubo4ka [24]

Circumference of a circle

C = 2πr

since r = 14 then

C = 2π14

C =28π.

Area of a circle

A = πr²

A = π14²

A = 196π

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3 years ago

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What is the area of the composite figure?

Liula [17]

I cant see one of the numbers

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4 years ago

A dress is on sale for 75% off. The sale price is $30. How much did the dress originally cost

lesya [120]

The dress originally costs $120.

In order to find this, you need to divide the current cost by the percentage you are paying for. Since it's 75% off, you are paying for 25% of the dress's original cost. Therefore, divide 30 by 25%.

30/.25 = $120

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Help plz:)))I’ll mark u Brainliest

Anvisha [2.4K]

Answer:

The answer to the question provided is 14.4 ft.

Step-by-step explanation:

We can solve this using proportion!

$\frac{18}{x} = \frac{10}{8} \\ \\ \frac{10x}{10} = \frac{144}{10} \\ \\ x = 14.4$

3 0

3 years ago