Answer:
diagonal of square = d = 9.899
Step-by-step explanation:
let side of square = x
diagonal of square = d
perimeter = P = 28
4 * x = P
x = 28/7
x = 7
By using Pythagorean theorem we get
x^2 + x^2 = d^2
7^2 + 7^2 = d^2
d^2 = 98
d = sqrt(98)
diagonal of square = d = 9.899
-4 cubed is the same as -4*-4*-4 which equals -64
Answer:
-4 1/12
Step-by-step explanation:
Eliminating a negative and changing our operation.
=−213−134
Rewriting our equation with parts separated
=−2−13−1−34
Solving the whole number parts
−2−1=−3
Solving the fraction parts
−13−34=
Answer:
20 pavers
Step-by-step explanation:
step 1
Find the area of the rectangular patio
The area of a rectangle is equal to

we have

substitute

step 2
Find the area of one square paver
The area of a square is equal to

we have
---> length side of the paver
substitute

step 3
Divide the area of the rectangular patio by the area of one paver to find out the number of pavers needed

420 miles/ 12 gallons= 35 miles per gallon
Final answer: 35 miles per gallon