Answer:
a = -2(2x+1)-4
Step-by-step explanation:
1. Factor out the common term x.
x(4+a)= -2x(2x+1)
2. Cancel x on both sides.
4+a= -2(2x+1)
3. Subtract 4 from both sides.
a= -2(2x+1)-4
Answer:
V= 1689.46 cubic inch
Step-by-step explanation:
V= πr²(h/3)
π= 3.14
r= 13.7 in
h= 8.6 in
V= 3.14 x 13.7² x 8.6/3 = 1689.46025333
Rounded answer : 1689.46
Answer:
Sydney is 92 years old
Step-by-step explanation:
107(the sum of both ages)-15(years older than Sydney)=92