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juin [17]
3 years ago
13

Please help asap!!! I will mark brainliest!

Mathematics
2 answers:
Allushta [10]3 years ago
5 0
Original answer: 65.7
if you round your answer= 66.0

boyakko [2]3 years ago
3 0
I think its 66.7
hope this help!
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Rewrite the following differences of squares as a product of two integers. (a). 81 − 1 (b). 400 − 121
Hatshy [7]

Answer:

(a) 10×8

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Step-by-step explanation:

We have given that

(a) 81 - 1

We have to write this in form of product of two integers

We know the algebraic equation a^2-b^2=(a+b)(a-b)

As 81 -1 can be written as 9^2-1^2

So 9^2-1^2=(9+1)(9-1)=10\times 8

(b) We have given 400 - 121

We have to write this in form of product of two integers

We know the algebraic equation a^2-b^2=(a+b)(a-b)

As 81 -1 can be written as {20}^2-{11}^2

So {20}^2-{11}^1=(20+11)(20-11)=31\times 9

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3 years ago
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sertanlavr [38]

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3 years ago
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Answer:

1:30 pm

Step-by-step explanation:

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15 minutes past 1:15 would be 1:30 pm

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3 years ago
Find the surface area of the figure. Use 3.14 for π and round to the nearest hundredth if necessary.
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The formula for the surface area of a sphere is

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Solve for x: −8 < x − 1 < 5
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Answer:

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Step-by-step explanation:

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