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serious [3.7K]
3 years ago
12

Prove that the value of expression 97+312 is divisible by 90.

Mathematics
1 answer:
Mrac [35]3 years ago
7 0

Answer:

97 + 312 = 409

409 is not divisible by 90.

There must be a mistake in the question.

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John wanted to estimate the product of 5.2 and 6.7. What is the best estimate for his problem?
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Round 5.2 down to 5 and Round 6.7 to 7.
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Can someone help me with question 3
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2. Alana needs to sell 52 boxes of cookies:

She sold 7 boxes to her aunt

She sold 2 boxes to her mother

She sold 15 boxes to her neighbor

you add 7+2+15 = 24 boxes of cookies that she sold

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3.  Sam, Jimmy and Andre shared a number of pennies in the ratio 8:5:3

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you subtract 3 - 5 = 2

The answer is 2 more pennies.

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4. Jamila spent $33.00 and Akiko spent $ 42.00  

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They both in the beginning had $168.00

I hope this helps.



3 0
3 years ago
2 significant digits for 8.45
natulia [17]
8.5, since there are 2 significant digits, the only 2 numbers would be 8 and 4, so round at 4 since 5 isn't included by is above and equal to 5
5 0
3 years ago
6 bags of plaster do 33m2 how many m2 can be done with 5 bags
pav-90 [236]
<span>6 bags of plaster do 33m2
5 bags .........................?

33 * 5 / 6 = 27.5

answer: 27.5</span><span>m2</span>
8 0
3 years ago
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