multiply 40 by 30% to find the discount then subtract
40 * 0.30 = 12
40-12 = 28
they would cost $28
An x-intercept is also known as a _____horizontal intercept_____
Answer:
use the slope formula!
Step-by-step explanation:
Rate of change is basically slope
you have to use the slope formula y2-y1/x2-x1
for example in the first question on the left 30-15 ÷ 5-2 = 5
would you like me to do the rest?
64 percent—64/100–0.64
12.5 percent—1/8—0.125
140 percent—1 and 40/100—1.4
275 percent—2 and 3/4–2.75
8 percent—8/100–0.08
Answer: Cannot be done
Step-by-step explanation:
This is impossible as there is no previous information and we don’t have a formula.