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nekit [7.7K]
2 years ago
15

Select all sets in which the number -5 is an element

Mathematics
1 answer:
Readme [11.4K]2 years ago
4 0

Set of integers

Set of rational numbers

Set of Real numbers.

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1. Every day after work Paul took his muddy boots off on the steps of the front porch. What can
natita [175]

Answer:

D

Step-by-step explanation:

Because his boots are muddy, you can infer the place he goes rains alot, so, his environment for the job is most likely outside, such as the mountains or forests, so the answer is D.

Hope this helped! :D

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3 years ago
PRECALCULUS QUESTION PLEASE HELP!!!!!!
elena-s [515]
By definition you have that the tangent of an angle in a right triangle is given by the quotient between the sine of the angle and the cosine of the angle.
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3 years ago
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QveST [7]

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I am sorry for the answer I don no but I tried it

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2 years ago
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Oksanka [162]

Answer:

1) 0

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6 0
2 years ago
What is the area of triangle EDF?
Ann [662]

Answer:

4.5

Step-by-step explanation:

∠BAC ~ ∠EDF means that the triangles are similar. So the legs of the triangle share the same proportions, even if the sizes are different.

Since they share the same proportions, the same operations can be performed on each base to find the area.

The answer can be found with the knowledge that the area of a triangle is half of the height * width. You know the width of ∠BAC is 4, and the area is 8, so 16 (the area doubled) / 4 is the height. The width and height of ∠BAC are the same, and since the proportions are also the same, the width and height of ∠EDF are both 3. So the area is the width (3) times the height (3) divided by 2.

3*3 = 9

9/2 = 4.5

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2 years ago
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