2 years ago

Solve four and two fifths plus two and two thirds

Mathematics

2 answers:

Romashka [77]2 years ago

7 0

The answer to your question is 7 1/2. Break the fraction down and combine

Alborosie2 years ago

4 0

Hope this helps!

The answer is 7 1/15

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How to Break apart 3x7

stiv31 [10]

Well brake 7 into 5 and 2 and then just multiply it by 3 so it would be 5 x3=15 and 2x3=6 then u add 15+6 it would be the sum, of 21 so 3x7=21

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3 years ago

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Free_Kalibri [48]

The answer is A hope this helps

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2 years ago

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MAXImum [283]

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2 years ago

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Rewrite the following expression.

faust18 [17]

We have been given the expression

$x^{\frac{9}{7}}$

We have the exponent rule

$x^{\frac{a}{b}}= x^{a^{(\frac{1}{b})}}$

Using this rule, we have

$x^{\frac{9}{7}}= x^{9^{(\frac{1}{7})}}$

Now, using the fact that $x^{\frac{1}{n}}=\sqrt[n]{x}$ , we get

$x^{\frac{9}{7}}= \sqrt[7]{x^9}\\
\\
x^{\frac{9}{7}}=\sqrt[7]{x^7\times x^2}\\
\\
x^{\frac{9}{7}}=x\sqrt[7]{x^2}$

D is the correct option.

6 0

2 years ago

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What is the value of 11−3m , when m = 2? (Please do it step by step because I dont know how to do this ;[ )

STatiana [176]

Substitute the variable for the value given.

11 - 3m becomes 11 - 3(2)

Now do the order of operations.

11 - 3(2) =
11 - 6 =
5

So, the answer is 5.

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2 years ago