A is directly proportional to the square of B. when A is 10, B is 2. (4)
a) write an equation connecting A and B.
b) find the value of A when B is 3
c)find the value of B when A is 50
Answers
Answered by
3
Step-by-step explanation:
A = k . B² [ where k is a constant]
Therefore , 10 = k. 2 => k = 5
a) A= 5 . B²
b) A= 5× 3²= 45
c) 50 = 5× B² => B²= 10 => B = + - √10
Answered by
1
Answer:
A=KB
10=K(2)
K=5 ans
A=KB
A=5*3
A=15 ans
A=KB
50=5B
B=50/5
B=10
Ans(A=15,,B=10,,K=5)
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