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OverLord2011 [107]
2 years ago
12

If a+b=8 and b-a= -5 then a^2 - b^2=

Mathematics
1 answer:
iren2701 [21]2 years ago
5 0

Answer:

sorry if i am wrong but i think it is 40

Step-by-step explanation:

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Do toy have a triangle with a 3 angles:60 degrees, 60 degrees, 63 degrees
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Answer:

no.

Step-by-step explanation:

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3 years ago
Nola purchased 2.5 pounds of cheese for $10.50. Her mother purchased 3 pounds of the same cheese for $12.60. The cost of cheese
jeka94

Answer:

cost per pound = $4.20

Step-by-step explanation:

Cheese cost per pound = ?

first for the cost per pound

cost per pound = total cost / pounds bought

cost per pound = $10.50 / 2.5 pounds

cost per pound = $4.20

to check the above answer is correct

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Therefor, the cheese costs $4.20 per pound.

4 0
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