Alvin's age + Elga's age = 84
2R + R = 84
3 R = 84
3/ 3 R = 84/ 3
R = 28
Elga's age is 28
Product means to multiply. Integers are whole numbers, so the process would be to multiply the numbers.
To find the dimensions of a square with an area of 441cm² find the square root. The square root is 21. That means that each side of the square is 21 cm long.
Answer:
Infinitely
Step-by-step explanation:
Hi,
Both sides of the equation are equal to each other, this means they're the exact same line and overlap. This is infinitely many solutions.
Hope this helps :)
Answer:
Volume of the cone= 
Step-by-step explanation:
Volume of a right circular cone:

For, height(h)= 4.5 feet
Diameter= 19 feet
Radius(r)= 19/2= 9.5 feet
As, 
Volume of the cone :

The volume of the cone with given dimensions is 