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<h2>
<u>Question</u><u>:</u></h2>
<u>7</u><u>5</u><u> </u><u>is </u><u>what</u><u> </u><u>percent</u><u> of</u><u> </u><u>1</u><u>5</u><u>0</u>
<h2>
<u>Explanation</u><u>:</u></h2>
<u>Percentage</u><u> </u><u>Calculator</u><u>:</u><u>7</u><u>5</u><u> </u><u>is </u><u>what</u><u> </u><u>percent</u><u> </u><u>of </u><u>1</u><u>5</u><u>0</u><u>=</u><u>5</u><u>0</u>
<h2>
<u>Answer</u><u>:</u></h2>
<u>5</u><u>0</u>
Answer:
15
Step-by-step explanation:
The approach is to first find the value of constant of proportionality 'k'.
As y varies directly with x²
So we have
y = k x².
Now when x = 6 , y = 72
Substituting the values we get
72 = k (6)²
72 = 36 k
Dividing by 36 on both sides
2 = k
So (1) becomes
y = 2 x²
Now we need to find y when x = 14
Substituting the values in (2) we get
y = 2 ×(14)²
y = 2 × 196
y = 392
Hence y = 392 when x = 14.
Answer:
It's D. (1,-2)
Step-by-step explanation: