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r-ruslan [8.4K]
3 years ago
8

Jill converted the equation of the line 15x-4y=-2 into slope-intercept form and found the slope and y-intercept of the line

Mathematics
1 answer:
slega [8]3 years ago
7 0

Answer:

She got the sign of the slope wrong

Step-by-step explanation:

She did \frac{-4y}{-4} = \frac{-2-15x}{-4} and turned that into \frac{-2}{-4}-\frac{-15x}{-4}, which is wrong, because she did the negative twice. Therefore, she mixed up the sign of the slope.

Please mark brainliest if this helped you!

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What is (12 − 4) − (6 ÷ 2) − (2 x 2) =
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1

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(12-4) - (6/2) - (2 x 2)

(8) - (3) - (4)

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3 years ago
Four interior angles of a pentagon measure 156 degrees 72 degrees 98 degrees and 87 degrees. What is the measure of the final in
zepelin [54]

Answer:

127°

Step-by-step explanation:

The sum of the interior angles of a polygon is

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To find the fifth angle subtract the sum of the 4 given angles from 540

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6 0
3 years ago
A spherical balloon is inflating with helium at a rate of 64 pi StartFraction ft cubed Over min EndFraction . How fast is the​ b
olga2289 [7]

Answer:

The radius of the balloon is increasing at a rate of 4 feet per minute.

Step-by-step explanation:

We are given the following in the question:

\dfrac{dV}{dt} = 64\pi \dfrac{\text{ ft}^3}{\text{min}}

Volume of sphere is given by

V = \dfrac{4}{3}\pi r^3

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Rate of change of volume =

\dfrac{dV}{dt} = \dfrac{d}{dt}(\dfrac{4}{3}\pi r^3)\\\\\dfrac{dV}{dt} =4\pi r^2\dfrac{dr}{dt}

Putting values, we get,

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5 0
3 years ago
The length of a rectangle is 5 meters less than 3 times the width. The perimeter is 46 meters. Find the width.
Taya2010 [7]
Length=3width-5
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x=7
width=7 length=16
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3 years ago
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