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3 years ago

70% of what number is 280

Mathematics

2 answers:

Nataly_w [17]3 years ago

8 0

Multiply 280 by 0.7/ the percent divided by 100
you should get 196 as your answer

Ira Lisetskai [31]3 years ago

6 0

$1\% = \frac{1}{100}\\ \\70\% = \not70^7*\frac{1}{\not100 ^{10}}=\frac{7}{10}\\ \\\frac{7}{\not10^1}* \not280^{28}=7*28 = 196$

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3 years ago

Reduce 7y + 2y 2 - 7 by 3 - 4y.

NARA [144]

Answer:

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Step-by-step explanation:

Given:

We need to reduce $7y+2y^2-7$ by $3-4y$

Solution:

To reduce the equation means we need to subtract the one equation from other.

First we will arrange the equation n proper format we get;

$2y^2+7y-7$ ⇒ equation 1

Also Arranging other equation we get;

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Now we will subtract equation 2 from equation 1 we get;

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Now Applying distributive property for the sign we get;

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3 years ago