31.5 pencils used in 1 hour
Answer: -1
Explanation:
-a - (-8) + b
-a + 8 + b (because the - - signs cancel out)
-(2) + 8 + (-7)
-2 + 8 - 7 = -1
Answer:
7 2/5 miles
Step-by-step explanation:
6/10 + 6 8/10 = 6 14/10 = 7 4/10 = 7 2/5 miles
Answer:
x = 110, y = 153.
Step-by-step explanation:
4x - 3y = -19 Multiply by 2
3x - 2y= 24 Multiply by 3.
8x - 6y = -38
9x - 6y = 72 SUBTRACT
-x = - 110
x = 110
Substitute for x :
3(110) - 2y = 24
2y =330 - 24
2y = 306
y = 153.
The first five years you will have 9,720 the account earning at 8% will give you 12 dollars for every 150 a month. After five years the 9,720 without no additional deposits at the 8% monthly rate will give you 777.6 monthly at the end of the next twenty one years you will have a total of 2,645,395.2 dollars. your welcome!