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adoni [48]
2 years ago
11

Write 7(2p+4)-2(p-5) Where a and b are integers. in the form ap+b

Mathematics
2 answers:
Ilya [14]2 years ago
5 0

7(2p+4)-2(p-5)=14p+28-2p+10=12p+38

Liula [17]2 years ago
4 0

Answer:

12p+38

Step-by-step explanation:

Expand the brackets and simplify :

14p+28 -2p+10 (-2×-5=+10 as the product of 2 negatives is always positive)

12p+38

This is our final answer as 12 and 38 are integers

Hope this helped and brainliest please

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Mary buys a 10-meter spool of thread for sewing. She uses 210 centimeters. How much is left on the spool in centimeters?
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100 cm = 1 meter

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Mary uses 2.1 meters of thread so far, meaning she has 10-2.1 = 7.9 meters left

7.9 meters = (7.9 m)*(100 cm/1 m) = 790 cm

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Alternate route:

10 meters = (10 m)*(100 cm/1 m) = 1000 cm

Mary uses 210 cm out of 1000 cm total, so she has 1000-210 = 790 cm left.

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<h3>Answer: 790 cm</h3>
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