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MatroZZZ [7]
2 years ago
5

Set up and solve to find the measure of each missing angle.

Mathematics
1 answer:
bekas [8.4K]2 years ago
5 0

Answer:

x=32

Step-by-step explanation:

32+20=52

3×32=96

52+96+32=180

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8 times 2 equals to 16
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How do you solve for 3x-3=9
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Answer:

x=4

Step-by-step explanation:

3x-3=9

   +3=+3

3x=12

3x=12

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In triangle abc, cos A= -0.6. Find A and Tan A
Tresset [83]

Answer:

Part 1) A=126.87^o

Part 2) tan(A)=-\frac{4}{3}

Step-by-step explanation:

we have

cos(A)=-0.6

The cos(A) is negative, that means that the angle A in the triangle ABC is an obtuse angle and the value of the sin(A) is positive

The angle A lie on the II Quadrant

step 1

Find the measure of angle A

cos(A)=-0.6

using a calculator

A=cos^{-1}(-0.6)=126.87^o

step 2

Find the sin(A)

we know that

sin^2(A)+cos^2(A)=1

substitute the value of cos(A)

sin^2(A)+(-0.6)^2=1

sin^2(A)=1-0.36

sin^2(A)=0.64

sin(A)=0.8

step 3

Find tan(A)

we know that

tan(A)=\frac{sin(A)}{cos(A)}

substitute the values

tan(A)=\frac{0.8}{-0.6}

Simplify

tan(A)=-\frac{4}{3}

5 0
2 years ago
Your high school is having a competition where students have to guess how many candy canes are in a jar. The tens digit is 4 mor
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Answer:

40

Step-by-step explanation:

let ones be x

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2 years ago
What statement describes the graph of x=4?
kherson [118]

Answer:

it is parallel to the y axis

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3 years ago
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