How does 4 2/5 = 4.40

Mathematics

2 answers:

Alika [10]2 years ago

6 0

4 is the whole number and 2 divided by 5 = .4, so 4+.4= 4.4 which is the same as 4.40

kati45 [8]2 years ago

4 0

So the first thing to remember is that the 4 on the mixed number is a whole number and will still be whole in the decimal. That is to say that it will be in front of the decimal. Now, to turn a fraction into a decimal, you can either divide the numerator by the denominator or put it over 10, 100, 1000, etc. So I will show you how to put the fraction over ten.

2/5 x 2/2 = 4/10

So now you put the 4 into the tenths place of the decimal, or .40. Then add the whole number to the front, and you get 4.40 as the answer.

Hope this helps, if you still have questions please comment! :)

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Answer:

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Equation 3x - 4y = 8

and

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2 years ago

Janna jumped 156 inches in the long jum competition how many feet did Janna jump

yawa3891 [41]

1 foot=12 inches
Divide 12 from 156.
156÷12=13

Janna jumped 13 feet in the long jump competition, which is actually really good!

5 0

2 years ago

Duane and mick are saving their money to build a tree house. Duane adds $5 to their piggy bank every other week. Mick adds $2 ev

mezya [45]

The have been saving for 10 weeks.

Given:
Duane = $5 every other week. meaning every 2 weeks
Mick = $2 every week
Amount Saved = $45

First, divide Duane's $5 by 2 to get his weekly contribution.
$5/2 = $2.50

let x be the number of weeks.

Duane + Mick = $45
2.50x + 2x = 45
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4.50x/4.50 = 45/4.50
x = 10 weeks

to check:
2.50x + 2x = 45
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sqrt 4^2+3^2=5

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2 years ago

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