3 years ago

How do you solve 8x(x^2+ 2x -4)

Mathematics

1 answer:

dolphi86 [110]3 years ago

4 0

Answer:

answer and explanation in the pic above

hope it helps

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: Write the equation of the line in Point-Slope Form given the information below. Slope=-2 Point=(1,-1)

natulia [17]

Answer: y+1=-2(x-1)

Step-by-step explanation:

The point-slope formula is $y-y_{1}=m(x-x_{1})$ . Since we know the coordinate and slope, we can directly plug them in.

$y-(-1)=-2(x-1)$

$y+1=-2(x-1)$

6 0

3 years ago

Plz help

12345 [234]

Answer:

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3 years ago

The radii of Earth and Pluto are 6,371 kilometers and 1,161 kilometers, respectively. Approximately how many spheres the size of

rosijanka [135]

$\bf \qquad \qquad \textit{ratio relations}
\\\\
\begin{array}{ccccllll}
&Sides&Area&Volume\\
&-----&-----&-----\\
\cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3}
\end{array} \\\\
-----------------------------\\\\
\cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\\\\
-------------------------------\\\\$

$\bf \cfrac{\textit{earth's volume}}{\textit{pluto's volume}}\qquad \cfrac{s^3}{s^3}\implies \cfrac{6371^3}{1161^3}\implies \cfrac{258596602811}{1564936281}\approx 165.24417$

8 0

4 years ago

Read 2 more answers

Solve using substitution. y=2x-8 & 2x + 3y= 16

MrRa [10]

Answer:

Y=2

X=5

Step-by-step explanation:

I solved it step by step in picture. U can have a look.