3 years ago

If a shark replaces an average of 4 teeth a week how many teeth will be replaced in a year

Mathematics

1 answer:

masha68 [24]3 years ago

5 0

There are 52 weeks in a year.
4 x 52 = 208 teeth

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The coordinates of the midpoint of AB are (2,4),

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Answer:

You can use the midpoint formula.

Method:

MAB = (Ax+Bx)/2 ; (Ay+By)/2

Substitute in what you have:

(2;4) = (Ax+3)/2 ; (Ay+7)/2

Because we know the x coordinate of the midpoint, we can assume that:

2 = (Ax+3)/2

And now solve for Ax:

4 = Ax+3
Ax = 1

Because we know the y coordinate of the midpoint, we can assume that:

4 = (Ay+7)/2

And now solve for Ay:
8 = Ay+7
Ay = 1

Therefore A(1;1)

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3 years ago

Find the cosine of ∠J.

Nesterboy [21]

Answer:

Step-by-step explanation:

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