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MrMuchimi
3 years ago
9

Add or subtract (5x^2-4x-1)-(-4x^2-4)

Mathematics
1 answer:
kifflom [539]3 years ago
6 0

Answer:

5x^2 - 4x - 1 + 4x^2 + 4

9x^2 - 4x + 3

Step-by-step explanation:

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A rancher’s herd of 250 sheep grazes over a 40-acre pasture. He would like to find out how many sheep are grazing on each acre o
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3 0
3 years ago
Solve the equation for v<br> <img src="https://tex.z-dn.net/?f=y%3D%5Cfrac%7B8%7D%7Bav%7D%20%2B7" id="TexFormula1" title="y=\fra
My name is Ann [436]

Answer:

v = \dfrac{8}{a(y - 7)}

Step-by-step explanation:

y = \dfrac{8}{av} + 7

Subtract 7 from both sides.

y - 7 = \dfrac{8}{av}

Multiply both sides by v.

v(y - 7) = \dfrac{8}{a}

Multiply both sides by 1/(y - 7).

v = \dfrac{8}{a(y - 7)}

3 0
3 years ago
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