Answer:
6,226 tiles of 9 in are needed to cover an area of 400 square feet
Step-by-step explanation:
Let
A -----> an area in square feet
t(A) ---> the total number of 9 in. tiles needed
we have

For A=400 ft^2
substitute in the equation and solve for t


That means -----> 6,226 tiles of 9 in are needed to cover an area of 400 square feet
Answer:
1
Step-by-step explanation:
The product of any nonzero real number and its multiplicative inverse (reciprocal) is always 1. This is called the multiplicative identity or the identity element of multiplication.
~Hope this helps!~
Since 3 divides 42, 3xy itself is the greatest common factor of 3xy and 42xy.
Answer: 3xy
Volume of pyramid is
.
The pyramid has a height 14 inches and a base area of 60 in2.
What is volume?
Volume is a three - dimensional quantity that is used to measure the capacity of a solid shape.
Volume of the pyramid =
X 
= 
=

So the volume of pyramid =

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