3 years ago

Which polygons are congruent?

1 answer:

4 0

Two polygons are congruent if they are the same size and shape - that is, if their corresponding angles and sides are equal. Move your mouse cursor over the parts of each figure on the left to see the corresponding parts of the congruent figure on the right.

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James answered 84% of the test questions correctly. He answered 21 questions correctly. How many questions were on the test?

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There were 25 questions. 21/25 x 100 = 84%

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2 years ago

What is the range of the function f(x) = sqrt x+3 – 7?

anyanavicka [17]

The values produced by the function

$f(x)=\sqrt{x+3}-7$

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That is, the range is

... f(x) ≥ -7 . . . . matches the 1st selection

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3 years ago

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natita [175]

146° + (-39 +x)° = 180°

Subtract 146° on both sides.

(-39 +x)° = 180° - 146°

(-39 +x)° = 34°

(x - 39)° = 34°

Add 39° on both sides

x = 34° + 39°

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Your final answer is C) 73.

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3 years ago

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