3 years ago

Please help with the question!

Mathematics

1 answer:

MAVERICK [17]3 years ago

8 0

Answer:

68.2275604137

Step-by-step explanation:

you can round down

I hope this helps

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Which of the following is equivalent to 75/4 A- 18 3/18 B- 18 3/4 C- 71 D- 79

sattari [20]

B.
4 goes into 75 18 times and has a remainder of 3, so it’s 18 3/4

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3 years ago

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Simplify the expression: 2(3n+4)-2(2n+5)

inessss [21]

First use distributive property:
2(3n + 4) - 2(2n + 5)
6n + 8 - 4n - 10
Group like terms:
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Add like terms:
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Graph the line with the equation y=1/3x+1

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Answer:

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Step-by-step explanation:

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3 years ago

What is the answer to 8x^3+125 by factoring the perfect cube?

expeople1 [14]

Answer:

$\large\boxed{8x^3+125=(2x+5)(4x^2-10x+25)}$

Step-by-step explanation:

$8x^3+125=2^3x^3+5^3=(2x)^3+5^3\\\\\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+5)((2x)^2-(2x)(5)+5^2)\\\\=(2x+5)(4x^2-10x+25)$

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3 years ago

Solve for x: 6x + 1 over 4 (4x + 8) > 12

sukhopar [10]

Answer:

A. $x>\frac{10}{7}$ .

Step-by-step explanation:

We have been given an inequality $6x+\frac{1}{4}(4x+8)>12$ . We are asked to solve the given inequality for x.

Using distributive property, we will get:

$6x+\frac{1}{4}*4x+\frac{1}{4}*8>12$

$6x+x+2>12$

$7x+2>12$

Subtract 2 from both sides:

$7x+2-2>12-2$

$7x>10$

Divide both sides by 7:

$\frac{7x}{7}>\frac{10}{7}$

$x>\frac{10}{7}$

Therefore, option A is the correct choice.

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2 years ago