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SpyIntel [72]
3 years ago
10

Dose anyone know how to solve this??

Mathematics
1 answer:
AfilCa [17]3 years ago
5 0

Answer:

....................

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guapka [62]
The answer is A=28.26
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4 years ago
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c

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(c) If 2a + 7b = 11 and ab = 2, find the value of 4a2 + 49b2.​
Mademuasel [1]

I hope this helps you

take both of sides paranthesis square

(2a+7b)^2=(11)^2

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4a^2+49b^2+56.2=121

4a^2+49b^2=9

5 0
3 years ago
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Find the cost of something after a discount
11111nata11111 [884]
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marta [7]

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