Answer:
7.6923%
Step-by-step explanation:
Let y% be the percent of 520.
520y = 40
y = 0.076923...
y = 7.6923%
Answer:
The rational numbers include all the integers, plus all fractions, or terminating decimals and repeating decimals. ... All natural numbers, whole numbers, and integers are rationals, but not all rational numbers are natural numbers, whole numbers, or integers.
Step-by-step explanation:
Answer:
x=2, y = -8
Step-by-step explanation:
y=-2x-4
y=2x-12
-----------------
Subtract the two equations
y=-2x-4
-y=-2x+12
-----------------
0 = -4x +8
Subtract 8 from each side
-8 = -4x+8-8
-8 = -4x
Divide by -4
-8/-8 = -4x/-4
2 =x
Then solve for y
y = -2x-4
y = -2(2) -4
y = -4-4
y = -8
