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jeka57 [31]
3 years ago
14

Which of the following makes this statement true: x(4 + 3) = 12 + 9?

Mathematics
2 answers:
arsen [322]3 years ago
8 0
B. 3 because 12+ 9 = 21 then (4 + 3)x = 7x do you divide 7 by 21 and it’s x = 3 (hope this makes sense)
adoni [48]3 years ago
7 0
Answer: B(3)

Explanation: 12+9=21 so since 4+3 only equals 7, you plug in x as 3... since 7x3 is 21 that helps make the statement true bc both equations are equal.
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3 0
3 years ago
Suppose that you want to mix two coffees in order to obtain 100 pounds of a blend. If x represents the number of pounds of coffe
evablogger [386]

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Algebraic expression representing number of coffee B = 100-x

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8 0
3 years ago
Don't answer if you don't know
SIZIF [17.4K]
0.10d + 0.25q = 3.55
q = d + 3

0.10d + 0.25(d + 3) = 3.55
0.10d + 0.25d + 0.75 = 3.55
0.10d + 0.25d = 3.55 - 0.75
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d = 8.....8 dimes

q = d + 3
q = 8 + 3
q = 11 <=== 11 quarters
3 0
3 years ago
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