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crimeas [40]
3 years ago
7

Argent deadline is tomorrow a²-(b-c)²​

Mathematics
1 answer:
bezimeni [28]3 years ago
7 0

Answer:

a^2 - ( b- c)^2 = a^ 2- b^2 - c^2 +2 bc

Step-by-step explanation:

Using \ (x - y)^2 = x^2 - 2xy + y^2

a^2 - (b - c)^2 = a^2 - ( b^2 - 2bc + c^2 ) = a^2 - b^2 + 2bc - c^2 = a^2 - b^2 - c^2 + 2bc

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3 years ago
- Erin wants to purchase 3 CDs for $10 each. She has $20. How much
FromTheMoon [43]

Answer:

$10

Step-by-step explanation:

If Erin wants 3 CD's at $10 a piece, that is $30 total. She has $20 which means you find the difference. Total needed: $30 - Money in hand: $20 = $10

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3 years ago
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The ratio of students who prefer coke to Pepsi is 5 out of 7. If 84 students were surveyed, how many students prefer Pepsi?
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meriva

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9x²y -10x²y = -1x²y

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4 0
3 years ago
If g(x) is a linear function such that g(-3) = 2 and g(1) = -4, find g(7).
SVETLANKA909090 [29]

Answer:

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4 years ago
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