3 years ago

Ten times the sum of half of a number and 6 is 8

1 answer:

3 0

$10\cdot\left(\dfrac{1}{2}x+6\right)=8\ \ \ \ |use\ distributive\ property\ a(b+c)=ab+ac\\\\5x+60=8\ \ \ \ |subtract\ 60\ from\ both\ sides\\\\5x=-52\ \ \ \ |divide\ both\ sides\ by\ 5\\\\\boxed{x=-10.4}$

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Step-by-step explanation:

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2 years ago

The volume of a sphere can be described by the following formula, where V = volume and r = radius of the sphere.

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Step-by-step explanation:

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We have to make r the subject of the formula

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Option C: $r = \sqrt[3]{\frac{3V}{4\pi} }$ is the right answer

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3 years ago

Expand:<br> 4(5x+5) - 3(2x + 4)

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distribute inside parenthesis

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multiply the variables

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collect like terms

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subtract like term

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