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Earn +20 ptsQ: What is 9 over 10 minus 7 over 8?
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When A student found the slope of a line that passes through -3 10 and 5 -7 to be 3 over 8 what mistake did he make?
He has to1) subtract MINUS 7 for y'2) Use MINUS 3 and MINUS 5 for x and x'He incorrectly wrote this(y - y') / (x - x')like this:(10 - 7) / 3 + 5)He should have written this:(10 - (-7)) / (-3 -5)This comes out to(10 + 7) / (- 3 -5)17 / - 8Correct answer:Slope = 17 / - 8
What is negative 8 minus 7?
The expression "negative 8 minus 7" can be simplified as -8 - 7. To subtract a positive number from a negative number, you can add the opposite. Therefore, -8 - 7 is the same as -8 + (-7), which equals -15.
Which is greater 4 over 5 7 over 8 9 over 10 or 11 over 12?
4/5 = 0.8 5/7 ≈ 0.71 8/9 ≈ 0.89 10/12 ≈ 0.83 11/12 ≈ 0.92 Thus, the greater is 11/12. 11/12, 8/9, 10/12, 4/5, and 5/7.
What is five eighths minus four fifths?
5/8 minus 4/5 is -7/40
If the line falls on the points (7 10) and (4 8) What is the slope?
2/3slope is change in y over change in xslope = (10-8)/(7-4) = 2/3
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