You add the equations together making sure one of the variables disappears by making one negative and one positive. In this situation y would alrady disappear 8x+y=-16
Answer:
2x-6
Step-by-step explanation:
Answer:

Step-by-step explanation:
Find two numbers whose quotient is -1 and the subtraction of the first minus the second is -3/2
Let two numbers are x and y. When they are divided the quotient is -1. So,

It can also be written as :
x = -y ....(1)
The subtraction of first minus the second is -3/2
.

Use equation (1) in (2),

From equation (1) : 
Hence, two numbers are
.
Answer:
Sorry that is toooooooooooooooooooooo much
Step-by-step explanation:
V = πr²h
288 = 3.14(r²)(9)
288 = 3.14(9r²)
288 = 28.26r²
28.26 28.26
10.19 ≈ r²
3.19 ≈ r
B = πr²
B = 3.14(3.19)²
B = 3.14(10.19)
B = 31.9966