3 years ago

How could you use rounding to estimate 268+354?

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

5 0

Round the number like for you 270+350=620

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How old am i if 400 reduced by 2 times my age is 244

irina [24]

400 - 2*Age = 244 <<
-2 * Age = -156
So our age = 78 years, months, days, hours since there were no actual units supplied.
400 - 2x = 244
-2x = 244 - 400
-2x = -156
x = -156/-2
A better example above as above was just a simplified version.

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4 years ago

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sukhopar [10]

Answer:

#1) 14 3/5

Step-by-step explanation:

#1) 147.6 = 147+0.6 = 147+6/10

147.6 = 147+0.6 = 147+6/10gcd(6,10) = 2

147.6 = 147+0.6 = 147+6/10gcd(6,10) = 2147.6 = 147+(6/2)/(10/2) = 147+3/5 = 738/5

#2) 102 = 102/1 = 1020/10

#3) 75 3/5

75.6 = 75+0.6 = 75+6/10

75.6 = 75+0.6 = 75+6/10gcd(6,10) = 2

75.6 = 75+0.6 = 75+6/10gcd(6,10) = 275.6 = 75+(6/2)/(10/2) = 75+3/5 = 378/5

#4) 117 3/5

117.6 = 117+0.6 = 117+6/10

117.6 = 117+0.6 = 117+6/10gcd(6,10) = 2

117.6 = 117+0.6 = 117+6/10gcd(6,10) = 2117.6 = 117+(6/2)/(10/2) = 117+3/5 = 588/5

Here is what I got....

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3 years ago

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I need help with this and also round the Answer

Leya [2.2K]

I think it’s 135
12x15=180
180 divided by 4/3 or 1 1/3 = 135

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago