3 years ago

Solve the equation

Mathematics

1 answer:

Alexxandr [17]3 years ago

3 0

C. 22 is your answer

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Sara makes and sells bracelets. She bought material for $28.50 and used it all to make 15 bracelets. Sara used the equation 15x-

g100num [7]

Each bracelet should cost $8.50. Replace x with 8.50, 15(8.50)-28.50=99

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3 years ago

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12(4x−5)+5/2=10 solve for x pls help!!!!

True [87]

Answer:

Step-by-step explanation:

$12(4x - 5) + \frac{5}{2}=10$

Multiply the whole equation by 2

$2*12(4x -5) + \frac{5}{2}*2=10*2\\\\24(4x-5) + 2 = 20\\$

24*4x - 5*24 + 2 = 20

96x - 120 + 2 = 20

96x - 118 = 20

Add 118 to both sides

96x = 20 +118

96x = 138

Divide both sides by 96

x = 138/96 = 23/16

$x = 1 \frac{7}{16}$

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2 years ago

4-(-4x - 3) > 36.<br>Show your work.

fgiga [73]

Step-by-step explanation:

4-(-4x-3) > 36

4 + 4x +3 > 36

4x + 7 > 36

4x > 36-7

4x > 29

x > 29/4

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2 years ago

What is the additive inverse of 21i

Ray Of Light [21]

Answer:

-21

Step-by-step explanation:

the additive inverse is the same number but negative

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3 years ago

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Which example does NOT show the commutative property of addition? 4+x=x+4

N76 [4]

Answer:

Ab=ba that one is multiplication I believe

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2 years ago