2 years ago

H e l p M e plsss and explain pls

Mathematics

2 answers:

lilavasa [31]2 years ago

5 0

Answer:

when the arrow that has a slash on underlined on the bottom means it's a closed circle and it's pointing to the way it's pointing, when the sigh doesn't have a line under it it's an open circle

Kitty [74]2 years ago

4 0

8(6x+1)=56

48x+8=56

48x=48

X=1

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Nonamiya [84]

Use the substitution method

Answers:

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7 0

2 years ago

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The formula for the volume sphere is V=4/3pie r^3 what is the formula solved for r?

oksian1 [2.3K]

Answer:

$r = \sqrt[3]{\frac{3V}{4 \pi}}$

Step-by-step explanation:

From the formula of volume of a sphere we have to isolate "r" on one side of the equation i.e. we have to make "r" the subject of the equation.

$V=\frac{4}{3} \pi r^{3}\\\\ \text{Multiplying both sides by 3/4 we get}\\\\\frac{3V}{4} = \pi r^{3}\\\\ \text{Dividing both sides by } \pi \\\\ \frac{3V}{4 \pi} = r^{3}\\\\\text{Takeing cube root of both sides}\\\\\sqrt[3]{\frac{3V}{4 \pi}} = r$