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gladu [14]
3 years ago
11

Determine which polynomial has (x + 4) as a factor.

Mathematics
1 answer:
Amanda [17]3 years ago
5 0

Step-by-step explanation:

→ Option A

x² - 11x + 28

= (x - 7)(x - 4) ❎

→ Option B

x² - 6x + 8

= (x - 4)(x - 2) ❎

→ Option C

x² + 7x + 12

= <u>(x + 4)</u>(x + 3) ✔️

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Step-by-step explanation:

5m-13m-n+4m

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-8m+4m-n

-4m-n

7 0
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5k + 9 = 89.............
blsea [12.9K]

Answer:

k= 16

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Find the angles between -pi and pi that satisfy:<br><br> (−√3) sin(v)+cos(v)=√3
MAXImum [283]

Observe that

\sin\left(\dfrac\pi6-v\right)=\sin\dfrac\pi6\cos v-\cos\dfrac\pi6\sin v=\dfrac12\cos v-\dfrac{\sqrt3}2\sin v

In the original equation, divide both sides by \dfrac12:

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Next,

\sin x=\dfrac{\sqrt3}2\implies x=\dfrac\pi3+2n\pi,x=\dfrac{2\pi}3+2n\pi

where n is any integer. Then

\sin\left(\dfrac\pi6-v\right)\implies v=-\dfrac\pi6-2n\pi,v=-\dfrac\pi2-2n\pi

Fix n=0 to ensure -\pi, so that

v=-\dfrac\pi6,v=-\dfrac\pi2

3 0
3 years ago
Richard estimates that he can apply fertilizer to 4,486 square feet of grass in 3/4 hour. How many square feet of grass can Rich
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