Answer:
Step-by-step explanation:
Answer:
D or the Last one
Step-by-step explanation:
because the equation equals that and it is a perfect square method because the middle term is not canceled out. Hope this helps!
Answer:
27
Step-by-step explanation:
Answer:
.
Don required 673 of 9 inch tiles to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.
Step-by-step explanation:
Given:
The given function is:

Here,
represent the area to be covered,
represent the number of tiles required to cover the given area.
So, if
, it means that the area to be covered is 400 square units.
Now, if we find
, it means we need to find the number of 9 inch tiles to cover area of 400 units.
So, we plug in 400 for
to evaluate
.

Therefore, it means that 673 of 9 inch tiles are required to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.
Answer:
144
Step-by-step explanation:
write out the 18 and the 48 times tables until you find the smallest number that is in both times tables. and there's your number :)