Math, asked by vaishnavik1309, 5 months ago

if x =30% of 30 and y=x2+4x+7 they y=____​

Answers

Answered by Anonymous
0

 x = 30\% \: of \: 30  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \\ x = 30 \times  \frac{30}{100} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \  \\ x = 9 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \ \\ y =  {x}^{2}  + 4x + 7  \:  \:  \:  \:  \:  \: \\ y = ( {9})^{2}  + 4  (9) + 7 \\ y = 81 + 36 + 7 \:  \:  \:  \:  \:  \:  \:  \\ y = 124 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

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