3 years ago

4y/5 - 14/15 = 3/4 The answer is 2, how?

Mathematics

1 answer:

joja [24]3 years ago

6 0

Answer:

It's not 2. It would be 2 (5/48)

Step-by-step explanation:

Because 4*2=8/5

8/5 transfers to 24/15

Then 24/15-14/15 = 10/15

But wait... Nope... 2 doesn't work lol

I did some3 other math and I found it to be 2 (5/48)..?

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Find two positive consecutive odd integers such that square of the smaller integer is 10 more than the larger integer

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Let $2n+1$ be the smaller integer. The larger integer is then $2n+3$ , and we have

$(2n+1)^2=10+(2n+3)\implies4n^2+4n+1=2n+13$

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$\implies 2n-3=0\text{ or }n+2=0$

$\implies n=\dfrac32\text{ or }n=-2$

We omit $n=-2$ , since $2(-2)+1=-3$ is negative.

Then for $n=\dfrac32$ we find $2\left(\dfrac32\right)+1=4$ , but this is not odd.

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