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Alisiya [41]
3 years ago
14

Solve the inequality for x. Show each step of the solution. 12 x>9(2x-3)-15 (I'm having trouble with this one spefically)

Mathematics
2 answers:
Sliva [168]3 years ago
8 0
12x > 9(2x - 3) - 15

12x > 18x - 27 - 15

-6x > -42

Divide by -6  and as we are dividing by a negative the inequality sign flips:-

x < 7  Answer

PSYCHO15rus [73]3 years ago
6 0
Download photomath and it will give u step by step instructions
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Answer:

d + n = 147

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d = 86, n = 61

Step-by-step explanation:

Let

Number of dimes = d

Number of nickels = n

Total coins = 147

Total value = $11.65

d + n = 147 (1)

0.10d + 0.05n = 11.65 (2)

From (1)

d = 147 - n

Substitute d = 147 - n into

0.10d + 0.05n = 11.65

0.10(147 - n) + 0.05n = 11.65

14.7 - 0.10n + 0.05n = 11.65

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-0.05n = -3.05

n = -3.05 / -0.05

= 61

n = 61

Substitute n = 61 into

d + n = 147

d + 61 = 147

d = 147 - 61

d = 86

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3 years ago
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