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Elza [17]
3 years ago
10

C=-3. a=2 b=4 (2)2(3c+7)

Mathematics
1 answer:
Paha777 [63]3 years ago
4 0

I think the answer is -18 + 14

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Find the common difference of the arithmetic sequence -14, -5, 4, ...
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The correct answer is 9
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Your food costs are $5,500. Your total food sales are $11,000. What percent of your food sales do the food costs represent?
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50

Step-by-step explanation:

5,500 is 50 percent of 11,000 :)

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Which city is the birthplace of Islam?<br> A) Jakarta <br> B) Jerusalem <br> C) Mecca <br> D) Medina
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The answer to your question is C) Mecca

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Solve the following system of equations for a and for b:
viktelen [127]

Answer:

a=3\\b=1

Step-by-step explanation:

9a+3b=30\\8a+4b=28

Let's solve the second equation for a to later on replace it in the first equation.

8a+4b=28\\8a=28-4b\\a=\frac{28-4b}{8}

Now plug this into the first equation.

9a+3b=30\\9(\frac{28-4b}{8})+3b=30

Distribute the 9

(\frac{252-36b}{8}) +3b=30

Break down the fraction.

\frac{252}{8}-\frac{36b}{8}+3b=30

Simplify.

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Subtract \frac{63}{2}

-\frac{9}{2}b+3b=30-\frac{63}{2}

Combine like terms.

\frac{-9+2*3}{2}b=\frac{30*2-63}{2}

\frac{-9+6}{2}b=\frac{60-63}{2}

\frac{-3}{2}b=\frac{-3}{2}

Muliply by the reciprocal or inverted fraction next to b.

(-\frac{2}{3})(-\frac{3}{2}) b=-\frac{3}{2}(-\frac{2}{3})

b=1

Now plug this value into any of the equations to find the value of a.

8a+4b=28\\8a+4(1)=28\\8a+4=28\\8a=28-4\\8a=24\\a=\frac{24}{8}\\ a=3

5 0
3 years ago
What does the word distribute mean to you?
Nadusha1986 [10]

In real life when I hear the word distribute, I know that it means that something is being handed out. In business, there is something called a distributor and they hand out stuff from the company that you buy it from. In mathematics, it means that you're giving another number something from another number.

8 0
3 years ago
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