3 years ago

How do I change 1 1/2 to a proper fraction?

Mathematics

1 answer:

Tanya [424]3 years ago

8 0

2x1=2

2+1=3/2

=3/2 is the answer

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One number is six times as large as another. The sum of their reciprocal is 7. What are the numbers

RideAnS [48]

X=6y

sum of their reciprocals
(1/x)+(1/y)=7
x=6y
1/6y+1/y=7
1/6y+6/6y=7
7/6y=7
times both sides by 6y
7=42y
divide both sides by 42
1/6=y

x=6y
x=6(1/6)
x=6/6
x=1

the numbers are 1 and 1/6

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3 years ago

The quantity a varies directly with b and c and inversely with d. The quantity d is tripled. Which of the following must be true

Vinvika [58]

Lets name the quantity Q
$Q=k* \frac{b*c}{d} 

When quantity d is tripled, we get




$
$Q=k \frac{b*c}{3d} 

To be the relationship the same, we see that we need to$ $
multiply /numerator / by /3 


$ $Q = k \frac{3bc}{3d} 

So the answer should be 
"The product of c and b must be tripled."$

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3 years ago

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shepuryov [24]

Answer:

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Step-by-step explanation:

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How is 30 divided into 100 expressed as a percentage?