Mis directly proportional to r When r= 4, M = 160 E . what is the value of r when M = 540?
Answers
Answer:
The value of r is 6
Step-by-step explanation:
1. Here it is given that M is directly proportional to . So this is case of direct proportion.
2. We can write in this way
or
...1)
3. Where in equation 1)
4. Again from equation 1), on putting respective value
on solving L.H.S of above equation
...2)
5. L.H.S of equation 2) can be written as
So
So
6. You can find other example like this
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roshni1506
21.01.2020
Math
Secondary School
answered
M is directly proportional to r^3 , when r=4 and m=160 , work out the value when m=540
2
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The value of r is 6
Step-by-step explanation:
1. Here it is given that M is directly proportional to . So this is case of direct proportion.
2. We can write in this way
or
...1)
3. Where in equation 1)
4. Again from equation 1), on putting respective value
on solving L.H.S of above equation
...2)
5. L.H.S of equation 2) can be written as
So
So