3 years ago

What’s the sum of 20x^2-10x-30

Mathematics

2 answers:

Vladimir [108]3 years ago

8 0

10(x+1)(2x−3) I think

Veronika [31]3 years ago

7 0

10(x1)(2x-3) I think

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Gre4nikov [31]

Their total expenses are ...
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olasank [31]

1 inch = 12 miles

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3 years ago

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agasfer [191]

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2 years ago

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Help I do not understand

tamaranim1 [39]

$\bf \begin{cases}
f(x)=\cfrac{x}{x-9}
\\ \quad \\
g(x)=\cfrac{-x}{x-3}
\end{cases}\qquad f(x)+g(x)\implies \cfrac{x}{x-9}+\cfrac{-x}{x-3}$

get their LCD, like you'd with any other fractions, and add them up

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2 years ago

In a sphere, if the radius is tripled, how much more volume do you have?

lilavasa [31]

If the radius is tripped, the volume will increase by 3^3 = 27 times.

Answer: 27 times

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