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zhenek [66]
3 years ago
8

Find the product of 395 ×76.estimate to check that the answer is reasonable

Mathematics
2 answers:
Orlov [11]3 years ago
6 0

Answer:

30020

estimate 395 x 75 = 29625

the answer is reasonable

Step-by-step explanation:

Reptile [31]3 years ago
3 0

Answer:

an estimation is 30000

Step-by-step explanation:

An estimate is a number that is close, so we round 395 to 400 and 76 to 75

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Answer:

If the scale factor is increased in 2.5, the increased width will be:

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Step-by-step explanation:

Remember that an oblong is longer than it is wide, by this reason, the ratio of 4:3 could mean, if we give a number, by each 4 cm in the length, there is 3 cm in the width, in this form, if the oblong has a length of 12 cm, the width is:

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So:

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Then, the original width is 9 cm, as the scale factor must be increased 2.5, we can multiply the found width to obtain the increased width:

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As you can see, <u><em>the increased widt will be 22.5 cm</em></u>.

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