3 years ago

Solve the system by substitution. y = 3x + 28 y = -4x

1 answer:

3 0

Answer:

(-4, 16)

Step-by-step explanation:

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daser333 [38]

Answer:

2 solutions for this equation because the highest power is 2

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3 years ago

Novosadov [1.4K]

Hello,

Your correct answer would be: 150, b/c .30 times 150 equal's 45.

Hope this helps 150 is your answer!

~HotTwizzlers

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3 years ago

Mama L [17]

Answer:

It's B

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Step-by-step explanation:

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3 years ago

saul85 [17]

w = amount she earns for her work.

twice that is 2*w, or 2w.

6 more than that is 2w + 6.

$\bf 21~~\stackrel{is}{=}~~\stackrel{\textit{twice her earnings + 6}}{2w +6}\implies 15=2w\implies \cfrac{15}{2}=w\implies 7\frac{1}{2}=w$

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4 years ago

Reika [66]

Step-by-step explanation:

I=V/R

I*R=V

R=V/I

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3 years ago