Answer:
this
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
Given expression:
a varies directly as b;
a ∝ b
So;
a = kb where k is the constant of proportionality;
if a= 7 and b = 2;
7 = 2k
k =
Now, find b when a = 21
21 =
x b
b = 6
The answer is x = 60 degrees
Answer:
64 Divided by 8
Step-by-step explanation:
3^2
Here’s the working out;