Is 18:12 equivalent to 3:4
2 answers:
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Step-by-step explanation:
First, count the total number of the boxes from the figure. This can be done easily by counting the number of the rows and then the number of the columns and multiplying the numbers.
=> 10 x 10 = 100 boxes.
Now, count the shaded boxes. It's 8.
Now, we calculate percentage by,
=> Selected boxes/Total boxes x 100
Putting the values,
=> 8/100 x 100
=> 8%
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>:</em><em>)</em>
The solutions of the equation ² - 16 = 0is 4/3 and -4/3 and that of the equation
is 8 and -4.
Solving the both quadratic equations by extracting square roots:
⇒
∴ On taking square-root of both sides, we get
=
⇒
and
⇒ = 4/3 and
= -4/3
For the equation, , the solution is:
⇒
∴ On taking square-root of both sides, we get
⇒ (z - 2) = 6 and (z - 2) = -6
⇒ z = 6 +2 and z = -6 + 2
⇒ z = 8 and z = -4
The solution of the equation is 4/3 and -4/3.
The solution of the equation is 8 and -4.
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