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agasfer [191]
2 years ago
8

What is the range of tanx? 1. all real numbers 2. -1 ≤ y ≤ 1 3. y > 0

Mathematics
1 answer:
aalyn [17]2 years ago
3 0

all real numbers except the 90 and 270 because of cosx

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Help me to answer this question pl​s
attashe74 [19]

Problem 1

Draw a straight line and plot P anywhere on it. Use the compass to trace out a faint circle of radius 8 cm with center P. This circle crosses the previous line at point Q.

Repeat these steps to set up another circle centered at Q and keep the radius the same. The two circles cross at two locations. Let's mark one of those locations point X. From here, we could connect points X, P, Q to form an equilateral triangle. However, we only want the 60 degree angle from it.

With P as the center, draw another circle with radius 7.5 cm. This circle will cross the ray PX at location R.

Refer to the diagram below.

=====================================================

Problem 2

I'm not sure why your teacher wants you to use a compass and straightedge to construct an 80 degree angle. Such a task is not possible. The proof is lengthy but look up the term "constructible angles" and you'll find that only angles of the form 3n are possible to make with compass/straight edge.

In other words, you can only do multiples of 3. Unfortunately 80 is not a multiple of 3. I used GeoGebra to create the image below, as well as problem 1.

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2 years ago
Which mixed number correctly describes the shaded area of the fraction bars? 2One-half 2Two-sixths 2Two-fifths 3
alexandr1967 [171]

Answer:

File doesn't appear, can't help you without enough infomation.

Step-by-step explanation:

5 0
3 years ago
Hannah paddled the canoe for 3 hours at 2.2 miles per hour. How far did she paddle?
Grace [21]
6.6. 2.2*3= 6.6 
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1980.25836 is the answer
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Please help:):):) Your awesome​
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Answer:

Q1: 11x - 8

Q2: 2x + 10

Q3: -3v + 12

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