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Sidana [21]
3 years ago
12

Given cos A = .34 find angle A in degrees. Round your answer to the nearest hundredth

Mathematics
1 answer:
Eva8 [605]3 years ago
7 0
Given:

The equation cos A = 0.34

Required:

The value of A in degrees rounded to the nearest hundredths.

Solution:

Solve for the value of A, we use the trigonometric function of arc cosine.

A = arc cos(0.34)

A = 70.12°
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Please help me out !!!!
Mkey [24]

Answer:

ok

Step-by-step explanation:

7 0
2 years ago
HELP ME PLEASE!!!!
kykrilka [37]

Answer:

option A

(1.5,1.2)

Step-by-step explanation:

Given in the question two equations

Equation 1

y = √x

Equation 2

y = x²- 1

Equate both equations

√x = x²- 1

<h3>1 method </h3><h3>by plotting graph</h3>

We can see from the graph that both meets when x =  1.5 and y = 1.2

<h3>2 method </h3>

we can plug the options given one by one to see which points satisfy

one thing we know is that x ≠ any negative value since

y = √x and square root of negative value is not possible

so option b and c are rejected

  option A

√1.5 = y = 1.2

1.5²- 1 = y = 1.2

5 0
3 years ago
The line represented by 2y = x + 8 is dilated by a scale factor of k centered at the origin, such that the image of the line has
Mandarinka [93]

Answer:

k=\frac{1}{2}

Step-by-step explanation:

we know that

A dilation is a non rigid transformation that produce similar figures

If two lines are similar, then the lines are parallel

Lines parallel have the same slope

so

we have

Line A

2y=x+8

isolate the variable y

y=0.5x+4 ----> equation A

The slope of the line A is m=0.5

The y-intercept of the line A is b=4

Line B

y-\frac{1}{2}x=2

isolate the variable y

y=\frac{1}{2}x+2 ----> equation B

The slope of the line B is m=0.5

The y-intercept of the line B is b=2

Remember that

The y-intercept of line A multiplied by the scale factor k must be equal to the y-intercept of line B

so

4k=2

solve for k

k=\frac{1}{2}

4 0
3 years ago
A 9-kg bag of mangoes for $12. how much per kg<br>​
yarga [219]

Answer:

1.3

Step-by-step explanation:

9 = 12

1= x

x= 1.3

6 0
3 years ago
A survey of over 7,000 randomly selected employees in 15 nations recently showed that employees who work
arlik [135]

Answer:

Not necessarily, because this wasn't an experiment.

Step-by-step explanation:

7 0
3 years ago
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