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Pavlova-9 [17]
3 years ago
7

Which expression has twice the value of 2•2•2•2•2? A. 2^6 B. 2^10 C. 4^5 D. 4^10

Mathematics
2 answers:
nydimaria [60]3 years ago
4 0
2x2x2x2x2=32
twice the value of 32 is 64
2x2x2x2x2x2=64
so your answer would be 2 to the sixth power
hope this helps! :)
vote your girl brainliest!
IgorC [24]3 years ago
3 0
2x2x2x2x2=32

32x2=64

2x2x2x2x2x2=64

2^6 is your answer
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Step-by-step explanation:  Given that lydia buys 5 pounds of apples and 3 pounds of bananas for a total of $8.50 whereas Ari buys 3 pounds of apples and 2 pounds of bananas for a total of $5.25.

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The cost per pound of apples is represented by x dollars and the cost per pound of bananas is represented by y dollars.

Then, according to the given information, the system of equations describing the situation is as follows:

5x+3y=8.50~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)\\\\3x+2y=5.25~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(ii)

Multiplying equation (i) by 2, we have

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and multiplying equation (ii) by 3, we have

3(3x+2y)=3\times 5.25\\\\\Rightarrow 9x+6y=15.75~~~~~~~~~~~~~~~~~~~~~~~~(iv)

To eliminate y, we subtract equation (iv) from equation (iii) and we arrive at

(10x+6y)-(9x+6y)=17-15.75\\\\\Rightarrow x=1.25.

From equation (i), we get

5\times 1.25+3y=8.50\\\\\Rightarrow 6.25+3y=8.50\\\\\Rightarrow 3y=2.25\\\\\Rightarrow y=0.75.

Thus, the price per pound of apples is $ 1.25 and the price per pound of bananas is $ 0.75.

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