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alekssr [168]
3 years ago
6

What is 2a/3 + 1/5=7/6 for a equation ? what does a represent?

Mathematics
2 answers:
Alex17521 [72]3 years ago
8 0
2a/3 + 1/5=7/6 

2a/3=0.96666.... (subtract 1/5 to both sides)

2a=2.9 ( multiply by 3 to both sides)

a=1.45 ( divide by 2 to both sides)


vladimir1956 [14]3 years ago
4 0
We have duch equation 2a/3+1/5=7/6. /-1/5 2a/3=7/6-1/5 2a/3=35/30-6/30 2a/3=29/30. /*3 2a=29*3/30 2a=87/30. /:2 a=87/60 a=1 27/60 a=1 9/20 Its the result
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beks73 [17]
<h2>Answer:</h2>

Hence, the two integers could be:

                   3 and 9

                        0R

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<h2>Step-by-step explanation:</h2>

Let the two integers be denoted by a and b.

It is given that:

One integer is 1/3 times another.

i.e. let

a=\dfrac{1}{3}b

i.e.

b=3a

Also,

The sum of their squares is 90.

i.e.

a^2+b^2=90\\\\i.e.\\\\a^2+(3a)^2=90\\\\i.e.\\\\a^2+9a^2=90\\\\i.e.\\\\10a^2=90\\\\i.e.\\\\a^2=9\\\\i.e.\\\\a=\pm 3

Hence, when a=3 we have:

b=9

and when,

a=-3

then b=-9

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Hey there!

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