The point (a,b) is (5,7) . Therefore, the equation of the line is y=7
Answer:
3/4 or .75
Step-by-step explanation:
find two sets of coordinates on the grid. I choose 60,40 and 20,10. then first you subtract the y coordinates so 40 -10 which is 30 next you subtract the x coordinates so 60-20 which is 40 so your fraction is 30/40 which simplifies to 3/4 which as a decimal is .75
Answer:
45
Step-by-step explanation:
25 = 700
Y = 1260
Now you need to do cross multiplication .
25 X 1260=700Y
Since it's in a multiplying form you can simplify by dividing 700 by 25
1260=700Y/25
1260=28Y
Y=45
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Answer: 
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3*sqrt(7)
3 times the square root of 7
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Explanation:
I'm assuming the V stands for square root. You can write sqrt(63).

The idea is to factor 63 in such a way that one factor is the largest perfect square possible, that way we can pull the root apart to simplify as shown above. The rule I used for the second step is 