A. 12m+4
B. -11m2-3m
C. -11m2+6m
D.5 m + 4
Answer:
Answer:
A: 12
Step-by-step explanation:
The answer for the question in this problem would be $12 is the price of candy bars.This is computed by establishing the equation based on the statement, x +y = 20 and 3x + 5y = 76. Follows:
3 (20 - y) +5y = 76
60 - 3y + 5y = 76
2y = 16
y = 8
x = 20 -y
x = 20 - 8
x = 12
2) When there is no object on the spring, its length 15.5 cm
3) For every ounce of weight, the spring length increases by 2.3 cm
4) For every ounce of weight, the spring length increases by 1535 cm
Answer: A) -4.6
b) 4.6 spaces left from the original spot
c) the totaal distance travled was 18.2 cm
Step-by-step explanation:
for a you add the amounts together, if you go left that's negative so you use subtraction
for b you count the amount you have from zero
for c you add all the numbers together and forget the signs