Answer:
slope = - 3
Step-by-step explanation:
y = mx + b where m = slope
In this case y =-3x + 8, slope m = -3
Answer:
58
Step-by-step explanation:
the mean is adding up all the numbers, then dividing by the amount of the numbers.
add up all the numbers:
13 + 13 + 14 + 18 + 22 = 80
the mean is 23.
so you need to back track:
23 * 6 = 138
138 - 80 = 58
$10.50 gets taken off the original price. I divided $42 by 4 because 25 is 1/4th of 100. This got me $10.50. The original price ($42) minus $10.50 equals $31.50. So the item sells for $31.50!!!!
Answer:
3x
Step-by-step explanation:
-(x-1) +5 = 2(x+3) - c
C is the unknown term
Distribute the negative sign and the 2
-x+1 +5 = 2x+6 -c
Combine like terms
-x+6 = 2x +6-c
Solve for c
Add x to each side
-x+x +6 = 2x+x +6-c
6 = 3x+6 -c
Add c to each side
6+c = 3x +6 -c+c
c+6 = 3x+6
Subtract 6 from each side
c+6-6 = 3x+6-6
c = 3x
When c = 3x, the two sides of the equation are equal, and the solutions are infinite.