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weeeeeb [17]
3 years ago
8

Someone give me an easy algebra problem thx ​

Mathematics
1 answer:
fenix001 [56]3 years ago
4 0

Answer:

Step-by-step explanation:6x+12-2 if x=1/2

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What fraction with a denominator of 12 is equivalent to 1/4
andreev551 [17]

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3/12

Step-by-step explanation:

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What is the perimeter of PQR with vertices P(-2, 9), Q(7, -3) R(-2, -3) in the coordinate plane?
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The volume of a? cone-shaped hole is 49 pi ft cubed . If the hole is 3 ft? deep, what is the radius of the? hole?
lidiya [134]

\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ h=3\\ V=49\pi \end{cases}\implies 49\pi =\cfrac{\pi r^2(3)}{3}\implies 49\pi =\pi r^2 \\\\\\ \cfrac{49\pi }{\pi }=r^2\implies 49=r^2\implies \sqrt{49}=r\implies 7=r

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3 years ago
Select all equations with the same y-intercept.
tensa zangetsu [6.8K]

Answer:

1, 3, 4

Step-by-step explanation:

Since the y intercept is the only number without a varible you choose the ones that are the same

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Multiply and subtract these polynomials and simplify. Enter your response in standard form. (2x^3 − 3x + 11) − (3x^2 + 1)(4 − 8x
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Answer:

=26x^3−12x^2+5x+7

Step-by-step explanation:

2x^3−3x+11−(3x^2+1)(4−8x)

Distribute:

=2x^3+−3x+11+24x^3+−12x^2+8x+−4

Combine Like Terms:

=2x^3+−3x+11+24x^3+−12x2+8x+−4

=(2x^3+24x^3)+(−12x^2)+(−3x+8x)+(11+−4)

=26x^3+−12x^2+5x+7

5 0
3 years ago
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