Answer:
4 years old
Step-by-step explanation:
Tracy's age = x
Tracy's mother's age = 6x
x + 6x = 28
7x = 28
x = 4
Tracy is 4 years old
Area = base (height) 1/2
so you plug your numbers into the equation and solve
42 = 6(x) 1/2
42 = 3(x)
divide each side by 3
14 = x
Answer:
You always have to divide the total for 1/5
for instance:
125/5 = 25
25/5 = 5
5/5 = 1
brainliest please ;)
Answer:
75.4
Step-by-step explanation:
C=2πr=2·π·12≈75.39822
Answer:
(P+9s+21)/3
Step-by-step explanation:
hello :
P/3 + (3s + 7) = P/3 + 3(3s + 7)/3 = (P+9s+21)/3
