Answer:
x=-11
Step-by-step explanation:
-3(x+2)=16-x
start with parenthesizes
-3*x=-3x
-3*2=-6
so you get
-3x-6=16-x
add the 6 to both sides
-3x=22-x
add x
-2x=22
divide by -2
x=-11
Tony's dorm is 7.5 miles far from the library.
Step-by-step explanation:
Given points are;
(4,0) and (12,6)
Using point distance formula;
Distance =
One unit represents 0.75 miles, therefore,
10 units = 0.75*10 = 7.5 miles
Tony's dorm is 7.5 miles far from the library.
Keywords: distance, multiplication
Learn more about multiplication at:
#LearnwithBrainly
<span>(2n^2 + 5n + 3)(4n – 5)
= 8n^3 -10n^2 + 20n^2 - 25n + 12n - 15
= 8n^3 + 10n^2 - 13n - 15
answer is </span><span>A. 8n^3 + 10n^2 – 13n – 15
hope that helps</span>