Answer:
xˆ2+10x+9
Step-by-step explanation:
first, multiply x by x and by 1, that would be (xˆ2 and x), then multiply 9 by x and 1, that would be( 9x and 9), add the two parenthesis, and it totals out to xˆ2+10x+9
2+2=4-1=3 quick maths 20 - 10= 10
Answer:
It’s 42
Step-by-step explanation: when Quinn return home, it was 0 minutes he turned on the air conditioner. So temperature at that time is equal to value of Q when t=0
Q=42-0.7t
=42-0.7(0)
=42
Answer: 33/4 or 8 1/4
Step-by-step explanation:
20 5/8 is 165/8 as an improper fraction.
"of" means multiplication.
Therefore, the equation would be 2/5 times 165/8, which is 33/4 or 8 1/4.
Answer:
the area is 324 cm²
Step-by-step explanation: