Answer:
Step-by-step explanation:
(5x^3+4x^2)−(6x^2−2x−9)
To find the opposite of 6x^2−2x−9 find the opposite of each term.
5x^3+4x^2−6x^2+2x+9
Combine 4x^2 and 6x^2 to get −2x^2.
5x^3-2x^2+2x+9
Answer: 15%
Step-by-step explanation:
The Percentage decrease will be:
= Decrease in weight / Old weight × 100
= (200 - 170) / 200 × 100
= 30/200 × 100
= 15%
The Percentage decrease is 15%
Answer: Average per year for the repairs and maintenance is $273.66
Step-by-step explanation:
She replace the brake pads in the third year for $98 and the preventive maintenance plan cost $723
what did he average per year for repairs and maintenance?
The total cost of repairs and maintenance = 98 + 723 = 821
repairs and maintenance over the first three years
Divide the answer by 3
821/ 3 = 273.67 dollars per year
B .....,,,..,....,,..,,..,..
Answer:
D i think sorry if im wrong
Step-by-step explanation:
-2 - 12=14 becaue if you take negetive number and turn it to a positive number you will add it and then put back negetive sigh again
sorry if i did not explain this right i tried
