Answer:
a=-2
Step-by-step explanation:
5 go to another side by negative sign
and the coefficients of a will added
-16=8a
8 go to the other side
a=-2
a) x=4
10+2x+6=24
-2x. -2x
10+6=-2x+24
-24. -24
10+6-24=-2x
simplify
-8=-2x
divide both sides by -2
4=x
2. x=7
14+3x+5=40
-3x. -3x
14+5=40-3x
-40. -40
14+5-40=-3x
-21=-3x
divide both side by -3
7=x
Answer:
?????????????????????
Step-by-step explanation:
I need points sorry
formula is pi*r*(r+sqaureroot(h^2+r^2)
plug in the numbers and the calculated area is 1507.96
but since you cant use fraction or decimals
the answer should be 480PI