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3 years ago

Is 15/28 greater or less than 1/2? justify the answer

Mathematics

2 answers:

GaryK [48]3 years ago

8 0

$\dfrac{1}{2}=\dfrac{14}{25}\ \textless \ \dfrac{15}{28}\Rightarrow\boxed{\dfrac{1}{2}\ \textless \ \dfrac{15}{28}}$

Dafna1 [17]3 years ago

6 0

15/28 > 1/2
Half of 28 is 14 so if you have15 parts of 28 itis more than the half

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<h3>Given :-</h3>

$\\$

x=y-1
x+2y=8

$\\$

$\\$

Value of x
Value of y

$\\$

<h3>Solution:-</h3>

Let say it is first equation:-

x=y-1. . . . (1)

and this is second equation:-

x+2y=8 . . . . (2)

$\\ \\$

Simplifying 1 equation:-

x = y - 1
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y = x + 1

Put this value of y in second equation.

$\\$

$\dashrightarrow \sf \: x+2y=8$

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$\dashrightarrow \sf \: x+2(x + 1)=8$

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to find value of y :-

y = x + 1

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verification:-

$\\$

1 equation:-

x = y - 1

put value of x and y

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2 = 2

LHS = RHS

Hence verified!

$\\$

2 equation:-

$\\$

x+2y=8

put value of x and y

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8 = 8

LHS = RHS

Hence verified!

$\\$

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.°. value of x and y is 2 and 3 respectively

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