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Monica [59]
2 years ago
7

I need help with the rest of those problems? the ones that are blank.

Mathematics
1 answer:
maks197457 [2]2 years ago
3 0
Problem #11:

Twice a number (n) decreased by 5 is at least 11.
          2n                    -                   5   is = to or greater than 11.

          2n - 5 is = to 11 comes out as 2n = 11 + 5, or 2n = 16, or n = 8.

If n = 8 or is greater than 8,  2n=5 will be at least 11.


Please, start work on the problems you haven't yet done.  I'd be happy to comment on your own work and help you bring the solution to conclusion.

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4 0
3 years ago
How do i solve -3=-2x+1 by graphing?
KonstantinChe [14]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Jacob is working two summer jobs, making $10 per hour washing cars and making $8 per hour landscaping. In a given week, he can w
Burka [1]

Answer:

Step-by-step explanation:

Let x represent the number of hours that that he spent washing cars.

Let y represent the number of hours that that he spent landscaping.

In a week, he can work no more than 19 total hours. This means that

x + y ≤ 19- - - - - - - - - - - -1

Jacob is working two summer jobs, making $10 per hour washing cars and making $8 per hour landscaping. He must earn at least $170. This means that

10x + 8y ≥ 170 - - - - - - - - - -2

If Jacob worked 4 hours landscaping, it means that

x + 4 ≤ 19

x ≤ 19 - 4

x ≤ 15

Also,

10x + 8 × 4 ≥ 170

10x + 32 ≥ 170

10x ≥ 170 - 32

10x ≥ 138

10x ≥ 138/10

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The minimum number of hours is 14

6 0
3 years ago
How much does 6.1 cubic feet of water weigh in pounds
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Answer:

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Step-by-step explanation:

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Suppose you go shopping for a new futon bed for your apartment/home. The model you really like happens to be on sale for $500. I
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