Answer: 4
Step-by-step explanation:
We can plug in the x and y values into the expression.
Then, we get 2*(-4) + 12.
Because of the order of operations, we calculate 2* -4 first to get -8 +12.
Lastly, we add -8 and 12 to get 4.
Answer:
460 ft^2 of carpet will be replaced
Step-by-step explanation:
You need to find the area of the room and then take away the area of the six bookcases
<u>Area of the room</u>
20*20=400ft^2
35-20=15ft
(15*20)/2=150ft^2
400+150=550ft^2 total room area
<u>Area of bookcases</u>
2.5*6*6=90ft^2 total bookcase area
<u>room area - bookcase area = carpet area</u>
550-90=460ft^2
X=500 I mean division is the answer to x=500
Answer:
f(2b) = 4b^2 +4b +1
Step-by-step explanation:
Put 2b where x is and simplify.
f(2b) = (2b)^2 +2(2b) +1
f(2b) = 4b^2 +4b + 1
0 bc u said had so they will have nothing left
