PLEASE ANSWER FOR 30 POINTS
1 answer:
Answer:
One Solution
Step-by-step explanation:
x + 3y = 3
x - y = -3
4y = 6 Subtract to solve by elimination.
y =
Divide by 4.
x -
= -3 Substitute
for y in the original equation.
x = -
Add
.
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1) 50x30
2) 2000+409
3) 500+800
Answer:
2/5
Step-by-step explanation:
3/5 * 2/3
Rewriting
3/3 * 2/5
The 3's cancel
1 * 2/5
2/5
Answer:
y=-2x-5
Step-by-step explanation:
y-y1=m(x-x1)
y-(-7)=-2(x-1)
y+7=-2x+2
y=-2x+2-7
y=-2x-5
The 1905 was 3.0 inches while 2004 was 4.2 inches since they are 1.2 apart and they add up to 7.2