add the 2 equations together
x+y =9
x-y =7
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2x = 16
divide by 2
x=8
x+y =9
substitute in x=8
8+y =9
subtract 8 from each side
y =1
(8,1)
Answer:
Number 3 and 4 down are the right ones
Step-by-step explanation:
7 is constant
3b and 4b are like terms None of the others are right
Answer:
The picture isn't very clear but I think this is the answer.
1. 15 cents
2. $1.31
3. 30 cents
Step-by-step explanation:
1. 10+5
2. 50+50+10+10+10+1
3. 25+5
Answer:
10.
11A.
11B.
Step-by-step explanation:
10. Let's first write the slope-intercept form down and fill in the information we got (which is not much).
Now we just need to find the b; the y intercept.
To do that, we plug in the point given (-2,6).
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A parallel line always has the same slope as its pair
11A.
A perpendicular line has it's slope same as it's pair, <em>but</em> it is multiplied by and the numerator and denominator are switched around.
11B.
Answer:
dam nit bro now im hungry
Step-by-step explanation:
make the question about poop so im not hungry