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agasfer [191]
2 years ago
10

11/5 - 7/4 + 2/1 evaluate​

Mathematics
1 answer:
irga5000 [103]2 years ago
4 0

Step-by-step explanation:

11/5−7/4+2/1

=49/20(Decimal: 2.45)

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please help me it is URGENT pls the first one is solve and the 2nd one is simplify I will give u lots of points thank you
klasskru [66]
I.) (5x+3)/4-(2x-4)/3=5
Clear fractions:
3·((5x+3)/4)=15x+9
4·((2x-4)/3)=8x-16
15x+9-(8x-16)=5
15x+9-8x+16=5
Combine like terms:
7x+25=5
7x=-20
x=-20/7

II.) (3/11)·(5/6)-(9/12)·(4/3)+(5/13)·(6/15)
Remember PEMDAS
So first multiply:
3/11·5/6=15/66
9/12·4/3=3/3·1/1=3/3=1
5/13·6/15=1/13·6/3=6/39=2/13
(15/66)-1+(2/13)
Combine:
15/66-1/1=15/66-66/66=-51/66
-51/66+2/3=-51/66+44/66=-7/66
Answer: -7/66 :)
7 0
3 years ago
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Viefleur [7K]
I hope this helps you

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2 years ago
write an equation that represents each mixed number as a sum of whole numbers and unit fractions 4 1/4
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The equation would be 4 1/4 = 4 + 1/4
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What can be a segment bisector​
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Hello your very welcome :)

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