Answer:
2..25
Step-by-step explanation:
Answer:
100 cm³
Step-by-step explanation:
If you use 3 for π, then the factors of 3 cancel in the formula for volume, and you have ...
V = r²h
The radius is half the diameter, so is (10 cm)/2 = 5 cm. Filling in the given values, you find the volume to be ...
V = (5 cm)²(4 cm) = 100 cm³
Boys:girls = 4/5
boys = 4/(4+5) = 4/9 of the class
This fraction cannot be turned into a mixed number but it can be reduced to
or 0.75
hope this helps
Elga’s age is 40 and Alvin’s age is 54
