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Q 1/5
Score 0
If y is directly proportional to x and y=15 when x=12, what is the value of y when x=16?
30
20.0
12.8
16.4
13.0
Q 2/5
Score 0
If n is inversely proportional to the square of p and n=10 when p=2, what is the value of n when p=4?
30
10
20
2.5
5
5 questions
Q.
If y is directly proportional to x and y=15 when x=12, what is the value of y when x=16?
1
30 sec
M9AL-IIb-c-1
Q.
If n is inversely proportional to the square of p and n=10 when p=2, what is the value of n when p=4?
2
30 sec
M9AL-IIb-c-1
Q.
The distance a car travels (d) varies directly with the speed of the car (r). If m is the constant of proportionality, which formula could represent this relationship?
3
30 sec
M9AL-IIb-c-1
Q.
The time required to complete a job varies inversely with the number of people working. If it took 5 painters 3 days to paint a house, how long would it take 1 painter?
4
30 sec
M9AL-IIb-c-1
Q.
Suppose c varies jointly with a and b. If c=25 when a=2 and b=2.5, what is the value of b when c=40 and a=6?
