Answer:
I am will take 20 years to get 20$
My friend will take 10 years to get 20$
Step-by-step explanation:

I hope this is be good for you and I want this money
1/12 is the square root of 1/144
The answer is c I might be wrong
Answer:
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A boy is cycling such that the wheels of the cycle are making 140 revolutions per minute. If the diameter of the wheel is 60cm, calculate the speed per hour with which the boy is cycling.
Easy
Solution
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Radius of the wheel =r=
2
60
=30 cm
Circumference of the wheel =2πr=2×
7
22
×30=
7
1320
cm
Distance covered in 1 revolution =
7
1320
cm
Distance covered in 140 revolutions =
7
1320
×140=26400 cm=264 m=
1000
264
km
Distance covered in one minute = Distance covered in 140 revolutions =
1000
264
km
Distance covered in 1 hour =
1000
264
×60=15.84 km
Hence, the speed with which the boy is cycling is 15.84km/hr.
Answer:
The formula for area of a parallelogram is either
or
.
Step-by-step explanation:
If base and vertical height of a parallelogram are given, then the area of the parallelogram is:
Where, <em>b</em> is base and <em>h</em> is the vertical height of the parallelogram.
If measures of both diagonals are given, then the area of the parallelogram is:
Where,
are the two diagonals of the parallelogram.