2 years ago

What is the value of the expression 2/5 + 3/7

Mathematics

1 answer:

podryga [215]2 years ago

7 0

Answer: its 29/35 value....

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What makes this statement true? 7^-2

MaRussiya [10]

For this case we have:

By definition, one of the properties of the power, known as negative integer power, states that:

$a ^{-b}$ can be written as $\frac{1}{a ^ b}$

Thus, $7 ^{-2}$ can be written as $\frac{1}{7 ^ 2}$ . So:

$\frac{1}{7 ^ 2}= \frac{1}{(7 * 7)}=\frac{1}{49}$

Answer:

Power of negative integer exponent:

$7^{-2} =\frac{1}{7 ^ 2}= \frac{1}{(7 * 7)}=\frac{1}{49}$

7 0

4 years ago

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%2Bh%7D%7B9%7D%2B%5Cfrac%7Bh-1%7D%7B3%7D%3D%5Cfrac%7B1%7D%7B3%7D" id="TexFormula1"

yKpoI14uk [10]

Step-by-step explanation:

Multiply both sides by 9 and you will get

$2 + h + 3(h - 1) = 3$

$2 + h + 3h - 3 = 3$

Solving for h, we get

$4h = 4 \Rightarrow h = 1$

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3 years ago

Which set or sets does the number 15 belong to

8_murik_8 [283]

Rational,whole,integer,real

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3 years ago

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3(2.7+5)−2 what is the answer

lbvjy [14]

Answer:

The answer to the problem is 21.1

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3 years ago

What is the value of 1-44|?

nadezda [96]

Answer:It would be positive 44

Step-by-step explanation:

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3 years ago

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