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2 years ago

14

David and Mark are marking exam papers. Each set takes David 61 minutes and Mark 1 hour. Express the times David and Mark take a

s a ratio in its simplest form.

1 answer:

Mamont248 [21]2 years ago

5 0

Do you know how to change the 1 hour to minutes

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Luden [163]

Fourteen square units

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John sells seven cookies for $5.39. Write an equation that represents John's sales for any number of cookies.

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4 years ago

Can anyone answer this for me?

kramer

Answer:

$\frac{3}{2}$ π (or 270°)

Step-by-step explanation:

I use the trick with the coordinates.

(0, -1)

cos270° = 0 (the x-coordinate)

sin270° = -1 (the y-coordinate)

This trick works depending on the radius.

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4 years ago