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Afina-wow [57]
3 years ago
6

Determine whether 49x^2 − 25 is a difference of two squares. If so, factor it. If not, explain why.

Mathematics
2 answers:
mojhsa [17]3 years ago
4 0
The asnwer is not D because 25 is a perfect square.
it can't be A or C becsuse when you factor the difference of two squares you get this form (a-b)(a+b).
two different signs.

hope it helped.

short answer : B.
Vaselesa [24]3 years ago
3 0
(7x+5)(7x-5)
I think so
Good luck
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Answer:

Hardy has 470 more tennis balls than Kerns.

Step-by-step explanation:

Given that:

Total number of tennis balls = 940

Let,

x represents the number of tennis balls Hardy has.

y represents the number of tennis balls Kerns has.

According to given statement,

x+y=940     Eqn 1

x = 3y         Eqn 2

Putting x = 3y in Eqn 1

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Dividing both sides by 4

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Putting y=235 in Eqn 2

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x = 705

Difference = Hardy's tennis balls - Kerns' tennis balls

Difference = 705 - 235 = 470

Hence,

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