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Iteru [2.4K]
3 years ago
9

-(4x - 5) + 16x ≥ -31 can you solve this inequality equation?

Mathematics
1 answer:
Elis [28]3 years ago
3 0

Answer: x≥-3

Step-by-step explanation:

-(4x-5)+16x≥-31

-4x+5+16x≥-31

12x+5≥-31

   -5  -5

12x≥-36

12/12x≥-36/12

x≥-3

hope this helped :)

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Question:

A solar lease customer built up an excess of 6,500 kilowatts hour (kwh) during the summer using his solar panels. when he turned his electric heat on, the excess be used up at 50 kilowatts hours per day .

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(b) How much of excess will be left after one month (1 month = 30 days)

Answer:

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Step-by-step explanation:

Given

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Solving (a): E in terms of d

The Excess left (E) in d days is calculated using:

E = Excess - Rate * days

The expression uses minus because there's a reduction in the excess kwh on a daily basis.

Substitute values for Excess, Rate and days

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Solving (b); The value of E when d = 30.

Substitute 30 for d in E = 6500 - 50d

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3 years ago
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