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Posts tagged with homework

Overcoming the Math Homework Blues – 3 Simple Tips

April9

Here are a few simple tips to help get on top of your Mathematics homework. These are simple, yet tried and true ideas that seem to work well for many students. Hold onto your graphing calculator – here they are: Tip #1: When you get home from school or college have a complete break for […]

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Should I be doing Mathematics homework?

June7

A recent study suggests: (a) that short practice assignments do improve performance on class tests and (b) that teachers also use homework assignments to accomplish other learning-related objectives. For junior high school students, the positive association with achievement appears for even the most minimal amount of time spent on homework, but disappears after about 90 minutes of homework […]

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The graph on the left (Coronavirus) is for a time period of 30 days, while the one on the right (SARS) is for 8 months! Very poor graphical comparison and hardly relevant, unless it is attempting to downplay the seriousness of the coronavirus?

10 x 9 x 8 + (7 + 6) x 5 x 4 x (3 + 2) x 1 = 2020

NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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