Answer:
x=-2, y=-6
Step-by-step explanation:
Simple substitution.
Since y is isolated in one of the equations already, you can plug it into the second equation.
x - 2(3x) = 10
x - 6x = 10
-5x = 10
x = -2
Sub. x = -2 into 3x = y:
3(-2) = y
y = -6
8513 is NOT divisible by 9, because the some of its digits (8+5+1+3) = 17 which is not divisible by 9 (answer B)
Answer:
9:6, 12:8, and 15:10 are all ratios equivalent to 3:2
Step-by-step explanation:
To find an equal ratio, you can either multiply or divide each term in the ratio by the same number (but not zero).
(-3,7)
5(-3)+2(7)=-1
-15+14=-1
Answer:
left nut, right nut
Step-by-step explanation:
that makes an ordered pair