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charle [14.2K]
4 years ago
8

Which expression is equivalent to 100 n^2 -1?

Mathematics
2 answers:
levacccp [35]4 years ago
5 0

Answer:

a

Step-by-step explanation:

100n^2 = (10n^2)

-1 = -(1^2)

zlopas [31]4 years ago
4 0

Answer:

So we can ignore the endings because they all have to same endings. We know that 10^2 = 100 We see only 2 answers that have that a and b. But we also need to get the n to the power. So we power each number in the parenthesis by 2. Only A lets you power both 10 and n at the same time.

<h2 /><h2><u>Answer : A</u></h2>
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Break up the figure into easier figures, a small square and a bigger square.

Small square- 3*2*1 = 6 cm

Large Square- 7*6*1 = 42 cm

42 + 6 = 48 cm. But wait! You have to take one more step, which is minus-ing 6 from 48. Why? Notice that there is a little area where a side of the small square meets the bigger square. That little area is worth 3 cm ( length is 3, height is 1 cm ) times 2 ( 3 cm is one side, another 3 cm is the other side from the other square ) = 6 cm.

Your total answer should be 42. ( or 48, if your teacher doesn't count the area where the squares meet/join together ).

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4 years ago
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Step-by-step explanation:

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8 0
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Ann [662]

Answer:

The correct answer is 1 pitcher.

Step-by-step explanation:

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