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Nonamiya [84]
3 years ago
15

-20-3x + 4) + 3x – 3 = -29

Mathematics
1 answer:
mylen [45]3 years ago
7 0

Answer:

look at the picture shown

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HELP!! Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 5 hours. Togeth
joja [24]

Answer:

  • first mechanic: $105/hour
  • second mechanic: $55/hour

Step-by-step explanation:

Let r represent the rate charged by the first mechanic. Then 160-r is the rate charged by the second mechanic. The total of charges is ...

  20r +5(160-r) = 2375

  15r +800 = 2375 . . . . . . eliminate parentheses

  15r = 1575 . . . . . . . . . . . . subtract 800

  r = 105 . . . . . . . . . . . . . . . divide by 15. First mechanic's rate.

  160-r = 55 . . . . . Second mechanic's rate

The first mechanic charged $105 per hour; the second, $55 per hour.

7 0
3 years ago
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About how many laps around the perimeter of the field would equal 1 mile? Explain
MariettaO [177]
<span>So if you run around the outside of the enfield, it would take a little more than 5 laps to reach one mile. If you cut across at the goal line, you lap would only be 306.6 yards and it would take 5.74 laps to reach 1 mile </span>
8 0
3 years ago
Max points and brainliest
Paul [167]

Answer:

-2

Step-by-step explanation:

slope = (y1-y2)/(x1-x2)

= (3-1)/(0-1)

= 2/-1

= -2

3 0
3 years ago
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If f(x)=x+7 and g(x)=2x-3 what is (f-g)(x)
aalyn [17]

Answer:

-x + 10

Step-by-step explanation:

(x + 7) - (2x-3)

x + 7 - 2x - 3

x - 2x

-x + 7 + 3

-x + 10

4 0
2 years ago
5/2 in the simplest form
DENIUS [597]

5/2 is already in its simplest form. You cannot reduce this fraction any further.

5 0
2 years ago
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