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Maths Puzzle
Numerical Ability
What is the slope of y=1400+40X-7x^2
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Please help me solve this problem:
1 sqrt of 27 minus 4 sqrts of 25 plus 6 sqrts of 75.
I got 33 sqrts of 3 minus 20, but my teacher got 8 sqrts of 3 minus 20
thanks, bev
Write 3 4/5 as an improper fraction.
Write the expression -3(-5) in words.
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Find the product of 800 and -8.
Find the product of 100 and -10.