Answer:
$0.80
Step-by-step explanation:
percent times the original number equals the part
(%)(start or total cost)= (part of the total cost). you need to know the total cost, so you would fill in the part and the percent. 0.9x=0.72. you use x because you don't know what the total cost is. then you divide both sides by 0.9 to get x by itself and you get that x = 0.8, meaning that the present costs $0.80.
Answer:
dont know
Step-by-step explanation:
Answer:
Perfect squares
Step-by-step explanation:
Here, we have a list of some numbers and we want to know the name given to these numbers.
Mathematically, these numbers are referred to as perfect squares.
Although all numbers have square roots, not all numbers have integer square root values.
Numbers having integer square root values otherwise known as whole number square root values are referred to as perfect squares.
Answer:
y would be 80...because alternate exterior angles are equivalent
Step-by-step explanation:
in the picture is that what you have or no?
Answer:
21
Step-by-step explanation:
5×3=15
7×3=21
