3 years ago

Evaluate the expression for d = 2. 7(d + 9) =

2 answers:

8 0

You start by placing 2 in the spot of D, you add 2 + 9 which gives you 11, then you multiply 7 and 11. you’re answer will be 77

erastova [34]3 years ago

3 0

Answer: 2.7d + 24.3

Step-by-step explanation: Easy

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lbvjy [14]

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5 0

3 years ago

Multiple the binomials (x+3)^2

maxonik [38]

Answer:

$=x^2+6x+9$

Step-by-step explanation:

$\left(x+3\right)^2\\\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2\\a=x,\:\:b=3\\=x^2+2x\cdot \:3+3^2\\\mathrm{Simplify}\:x^2+2x\cdot \:3+3^2:\quad x^2+6x+9\\x^2+2x\cdot \:3+3^2\\\mathrm{Multiply\:the\:num\\bers:}\:2\cdot \:3=6\\=x^2+6x+3^2\\3^2=9\\=x^2+6x+9$