What’s the best way to revise for maths? can never remember how to do anything.

1 answer:

8 0

Repetition is a guaranteed way to learn something. If it is a formula you need to learn, try doing flashcards and reading it over and over again until you can spell it without the flahcard. If it is something like factoring, just do a bunch of factoring problems until you get the feel of it.

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2 years ago

What fraction is closest in value to 0.39? 1/3, 2/5, 3/8, or 9/25?

Afina-wow [57]

1/3 (0.333,,,) is 0.05666... away from 0.39 .

2/5 (0.4) is 0.01 away .

3.8 (0.375) is 0.015 away .

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2/5 is the closest one.

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The slope of the line whose equation is x-3y= 1 is 0-3 -1/3 0 0 1/3

insens350 [35]

x-3y= 1

The equation needs to be rewritten in proper Slope intercept form ( y = mx+b) where m is the slope and b is the y-intercept.

x-3y = 1

Subtract x from each side:

-3y = 1-x

Divide both sides by -3:

y = 1/-3 - x/-3

Simplify:

y = 1/3x - 1/3

The slope is 1/3

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3 years ago