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3 years ago

11

What number is 12% of 90

2 answers:

yulyashka [42]3 years ago

7 0

10.8

12% = 10% + 1% + 1%

10 percent of a number is that number but with the decimal point 1 to the left. 10% of 90.0 is 9.0

1% of a number is that number but with the decimal point two to the left. 1% of 90.0 is 0.9

9 + 0.9 + 0.9 = 10.8

10.8 is 12% of 90

Tasya [4]3 years ago

3 0

Answer:

10.8

Step-by-step explanation:

i used a calculator

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3 years ago

Read 2 more answers

Sedbober [7]

Answer:

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Step-by-step explanation:

let the age of Brett be <em>x</em> years.

thus the age of Mark is <em>(x+18)</em> years .

{as it is given that Brett is 18 years younger than Mark}

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Now the sum of ages,

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3 0

3 years ago

(5x^5) - (80x^3)<br> factoring

elena55 [62]

Answer:

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Step-by-step explanation:

We need to factor the term $(5x^5) - (80x^3)$

First we can see that $5x^3$ is common in both terms

So, taking $5x^3$ common:

$(5x^5) - (80x^3)\\=5x^3(x^2-16)$

We can write $x^2-16$ as $(x)^2-(4)^2$

$=5x^3((x)^2-(4)^2)$

Now we can solve $(x)^2-(4)^2$ using the formula: $a^2-b^2=(a+b)(a-b)$

We can write:

$=5x^3((x)^2-(4)^2)\\=5x^3(x-4)(x+4)$

So, factoring the term $(5x^5) - (80x^3)$ we get $\mathbf{5x^3(x-4)(x+4)}$

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3 years ago

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Mrac [35]

Answer:

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Step-by-step explanation:

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