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4 years ago

Find the measure of the indicated angle to the nearest degree.

Mathematics

1 answer:

Alex_Xolod [135]4 years ago

6 0

Answer: 1. 77.31961650818018 2. 16.26020470831196 3. 75.7499673021964 4. 31.89079180184571 5. 67.38013505195958 6. 28.072486935852954

Step-by-step explanation:

I used a right triangle calculator!

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A n-faced regular polyhedron consists of 2n edges and (2n-4) vertices. Find n .

ira [324]

We could use Euler's polyhedron formula:

$F=n\qquad\qquad\text{(Faces)}\\\\E=2n\qquad\qquad\text{(Edges)}\\\\V=2n-4\qquad\qquad\text{(Vertices)}\\\\\\V-E+F=2\\\\2n-4-2n+n=2\\\\-4+n=2\qquad|+4\\\\\boxed{n=6}$

3 0

4 years ago

Graphically determine the slopes of the line segments that create triangle ACD shown below. Write your final slopes in simplest

a_sh-v [17]

Answer:

Step-by-step explanation:

From the graph attached,

Coordinates of points A, C and D are,

A(-2, -7), C(-6, 7) and D(9, 2)

Slope of AD = $\frac{y_2-y_1}{x_2-x_1}$

= $\frac{-7-2}{-2-9}$

= $\frac{9}{11}$

Slope of CD = $\frac{7-2}{-6-9}$

= $-\frac{1}{3}$

Slope of AC = $\frac{7-(-7)}{-6-(-2)}$

= $-\frac{14}{4}$

= $-\frac{7}{2}$

7 0

3 years ago

the total distance traveled by a car driving at a constant rate of speed. How far will the car have traveled after 10 hours?

Drupady [299]

Answer: 10r

Step-by-step explanation:

The car travels at a rate (r) and has the constant rate time 10 hours. r * 10 = 10r

5 0

3 years ago

Read 2 more answers

Please I need help! I will give brainliest to whoever answers also. Thank you!

Lostsunrise [7]

Answer:

The set U includes all positive integers from 1 to 20.

x is subset U and 14 < x ≤ 23, then x is:

x = {15, 16, 17, 18, 19, 20}

x is subset U and includes multiples of 4, so x is:

x = {4, 8, 12, 16, 20}

4 0

3 years ago

Why is it important to use estimation when solving problems

stellarik [79]

Well, it might not be important for most problems but..
If you're dividing, and the answer is a repeat..
You can estimate.

Example - 2.678 | You can estimate it to 2.68 and use that as an answer instead of a very long answer that's repeated.

I hope this helps.

5 0

4 years ago