2 years ago

Express with positive exponents

Mathematics

1 answer:

pychu [463]2 years ago

6 0

$\left(\dfrac{z}{y}\right)^{-5}=\left(\dfrac{y}{z}\right)^5$

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Simplify:2 1/3(4 1/4÷2)

kondor19780726 [428]

Answer:

$4\frac{23}{24}$

Step-by-step explanation:

We want to simplify:

$2\frac{1}{3}(4\frac{1}{4}\div 2)$

We convert to improper fraction to get:

$\frac{7}{3}(\frac{17}{4}\div 2)$

We now deal with the parenthesis by multiplying with the reciprocal of 2.

$\frac{7}{3}(\frac{17}{4}\times \frac{1}{2} )$

This gives:

$\frac{7}{3}(\frac{17}{8})$

We multiply to get:

$\frac{7}{3}(\frac{17}{8})$

This simplfies to:

$\frac{119}{24}$

We write as mixed number

$4\frac{23}{24}$

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2 years ago

Four times the difference of b and six is equal to b squared

Tcecarenko [31]

Answer:

4(b-6)=b^2

Step-by-step explanation:

The difference would mean that it is subtraction and you multiply that difference by 4 and set it equal to b squared

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3 years ago

Which sentence describes a way to determine the missing number in the

Llana [10]

Answer:

70910 (c)

Step-by-step explanation:

You move the decimal point to the right each time.

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2 years ago

Which triples are Pythagorean triples? (select all the correct answers)

mrs_skeptik [129]

Answer:

Step-by-step explanation:

(1) Yes

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Write an expression to match the words " three times the sum of 8 and 4".

AVprozaik [17]

3(8+4) is your expression

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