Answer:
Step-by-step explanation:
area of A=15*18=270 cm^2
area of B=15*18=270 cm^2
area of C=1/2 ×x×18=9x cm²
area of D=1/2×15×18=135 cm²
Answer:
8
Step-by-step explanation:
and the surface area
for the whole shape is 107 yd^2
Answer:
We have 6( n - 24 ) = 8N;
Then 6n - 144 = 8N;
-144 = 8N - 6N;
-144 = 2N;
N = (-144)÷2;
N = - 72;
Step-by-step explanation:
X is the number
sum means add
sum of half a number and 4 means
(x/2)+4
result is -16
(x/2)+4=-16
minus 4 both sides
x/2=-20
times 2 both sides
x=-40
the number is -40