3 years ago

What is the quotient (91y3 + 21y2 − 35y) ÷ 7y?

Mathematics

1 answer:

VLD [36.1K]3 years ago

3 0

answer:13yexponent2+3y−5

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Solve the equation by using the quadratic formula. x^2+2x=6

katrin [286]

Answer:

$\Huge \boxed{{x=-1\pm \sqrt{7}}}$

Step-by-step explanation:

x² + 2x = 6

Subtract both sides by 6.

x² + 2x - 6 = 0

ax²+bx+c=0

a=1, b=2, and c=-6

We can apply the quadratic formula.

$\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

Plug in the values.

$\displaystyle x=\frac{-2\pm\sqrt{2^2-4(1)(-6)}}{2(1)}$

Evaluate.

$\displaystyle x=\frac{-2\pm\sqrt{4-(-24)}}{2}$

$\displaystyle x=\frac{-2\pm\sqrt{28}}{2}$

$\displaystyle x=\frac{-2\pm 2\sqrt{7}}{2}=-1 \pm \sqrt{7}$

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Which three lengths could be the lengths of the sides of a triangle? A.21 cm, 7 cm, 7 cm B.9 cm, 14 cm, 22 cm C.15 cm, 5 cm, 20

lapo4ka [179]

B.) 9 cm, 14 cm, 22 cm

It would make an obtuse triangle, and by using the triangle calculator trick or ways you would have to find the area of the triangle, but it would get to confusing...

But also the simplest way or elementary would be

A.) 21 cm, 7 cm 7 cm

I messed up my self I'm am truly sorry but,

I hoped this helped!! <33

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The relationship between temperature in Celsius and Fahrenheit is linear. Water freezes at 0 ° C or 32 ° F and water boils at 10

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Please check on gogle. Hope you got it

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The difference between single and compound interest.

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Single interest uses an arithmetic formula where as compound interest uses a geometric formula

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Write the equation of the line parallel to the given line that passes through given point slope-intercept form.

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There is no equation, nor ordered pair, so it is impossible to answer this question. I apologise.

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