Step-by-step explanation:
x = n of years of mary
x+8= n of years of her bro
So her brother is (x+8)/x times as old as Mary
Answer:
97.68 %
z(lower) = .0227
z(upper) = .999
Step-by-step explanation:
Answer is A
Step-by-step explanation:
Go over to the left 3 times then up 6
Answer:
y = 30x + 20
Step-by-step explanation:
y = mx + b
find b
b=20
find m
m=30
To perform the correct operation as to subtract numbers, make sure the denominators are the same, and then one can then subtract and remove a smaller number from the larger one.
This same method also holds true for adding fractions together as well.
Another way to subtract fractions is to convert them from fraction form to decimal form and then align the decimal points and subtract the values.
