Posted by **Maxy** on Wednesday, May 15, 2013 at 7:15pm.

I have a question on math if I start to look for a object hidden by making the center of a field as (0,0), with coordinates giving distances in yards. Coordinates to the north or east are positive and coordinates to the south or west are negative. And I find nothing at (-12,8), so I try a likely-looking spot 3 yards to the east and 11 yards to the south of the first spot. Can you explain what are the coordinates of the second spot?

Is it (-9,19) ?

- Math 7th grade Help? -
**Maxy**, Wednesday, May 15, 2013 at 7:44pm
Help?

- Math 7th grade -
**Reiny**, Wednesday, May 15, 2013 at 10:23pm
Your first coordinate is correct as -9

for the 2nd, you are at 8 and are going south for 11

so 8-11 = -3

your new point is (-9,-3)

- Math 7th grade -
**Maxy**, Thursday, May 16, 2013 at 1:27pm
South okkkkk I got it thanks. : )

- Math 7th grade -
**tariq**, Thursday, May 16, 2013 at 6:42pm
Ira makes an A on 80% of his tests. In the next week, Ira has 5 final exams. He wants to determine the probability that he makes an A on 4 of the 5 tests.

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