Which value of theta is not in the domain of validity for csc theta =1/sin theta

Answers

Answer 1
Answer:

Answer with explanation:

The given expression is:

 \csc \Theta^(\circ) =(1)/(\sin \Theta^(\circ))

Domain of Cosec theta,will be all values in Radian or degree except at the point where,

→sine(theta)≠ 0.

If theta is in either Degrees or in Radian, then

\Theta\neq k \pi ,\text{Where k, is any Integer}

The value of theta which is not in the domain for the validity of

  \csc \Theta^(\circ) =(1)/(\sin \Theta^(\circ))

is,  →→Theta(Ф)≠ k π, for any integer ,k.

Answer 2
Answer: Verify each identity give the domain of validity for each identity. It is very used to prove these identities for any value of theta in the domain. So I just specify the domain and leave verification for you to do t with standard values or on calculator. Because verification is an endless process. Proof is not. As proof seems to be simple I will do that which will amount to verification as well 

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08.04A)The scatter plot below shows the test scores of a group of students who played games online for different amounts of time in a day:What will most likely be the effect on the test score of a student if the number of hours he/she plays games online increases?

Test score will decrease because the graph shows negative association

Test score will increase because the graph shows positive association

Test score will increase because the graph shows negative association

Test score will decrease because the graph shows positive association




4 graphs are shown:

Which graph represents a positive nonlinear association between x and y?

Graph A

Graph B

Graph C

Graph D

Answers

Answer:

1)

Test score will decrease because the graph shows negative association.

2)

Graph A

Step-by-step explanation:

1)

Clearly from the graph we could observe from the scatter plot that:

Test score will decrease because the graph shows negative association.

( As the points or the test scores are decreasing with the increasing number of hours spent on playing games online)

2)

Positive Nonlinear association:

A positive Non-linear relationship between two variables can be shown with an upward-sloping curve in a graph.

Hence, Graph A represents the following relationship.

( Since graph B and D are linear and graph C is negative association since the value keeps on decreasing)

Part 1 : The scatter plot below shows the test scores of a group of students who played games online for different amounts of time in a day:What will most likely be the effect on the test score of a student if the number of hours he/she plays games online increases?

Test score will decrease because the graph shows negative association

Test score will increase because the graph shows positive association

Test score will increase because the graph shows negative association

Test score will decrease because the graph shows positive association 

The correct answer is : Test score will decrease because the graph shows negative association. 

Fact : Playing video games is a distraction and  many kids fail there grade. Therefore test scores will decrease. 

Part 2 : Non 
Linear: This can be defined as if all the points on the scatter diagram tends to lie near a smooth curve, the correlation is said to be non linear. 

Answer = Diagram C

In order to clear out room for new merchandise, James decided to mark down some of the items for sale in his electronics store. He marked down DVD players by 36%, and he marked down stereo tuners by 22%. If DVD players cost $41.60 after the markdown and stereo tuners cost $69.42 after the markdown, which item’s price was reduced by more, and by how many dollars more was it reduced? Round all dollar values to the nearest cent.

Answers

Answer:

a) Which item’s price was reduced by more, and by how many dollars more was it reduced?

The DVD player's price was reduced more by $3.82 than the stereo tuner's price.

b) Round all dollar values to the nearest cent.

Rounding $3.82 dollars to the nearest cents

$1 = 100 cents

$3.82 =

3.82 × 100 cents

= 382 cents

The DVD player's price was reduced by 382 cents more than the stereo tuner's price

Step-by-step explanation:

Lets day the original price of the DVD player was $100

We are told the price was marked down to 36%

36% of $100 = $36

$100 - $36 = $64

We are told the DVD cost $41.60 after the markdown.

Original cost of DVD =

$41.60/$64 × 100 = $65

Lets the original price of the Stereo player was $100

We are told the price was marked down to 22%

22% of $100 = $22

$100 - $22 = $78

We are told the DVD cost $69.42 after the markdown.

Original cost of Stereo =

$69.42/$78 × 100 = $89

DVD = $65 - $41.60 = $23.40 less 

Stereo = $89 - 69.42 = $19.58 less

Difference between the DVD and the Stereo is

$23.40 - $19.58 = $3.82

Therefore,the DVD player's price was reduced by $3.82 more than the stereo tuner's price

Rounding $3.82 dollars to the nearest cents

$1 = 100 cents

$3.82 =

3.82 × 100 cents

= 382 cents

Answer:

The answer is A on edg 2020

Step-by-step explanation:

List the factors of 5i^2+12i−32 i need help fast

Answers

Answer:

Step-by-step explanation:

5i² + 12i - 32i  = 5i² - 20i

                      = 5i² - (5*4*i)

                      = 5i(i - 4)

How many 2 inch cubes are needed to completely fill a cubic box of edges 8 inches?

Answers

64 of them because 2 inch cubes are needed to completely fill a cubic box of edges 8 inches 


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9) Which equation represents the line that passes through the point (3,4) and is parallel to the x-axis?A x = 4
B x = 3
C y = 4
D y = 3

Answers

Since the line is parallell to the x-axis we know the slope is zero: m=0

Using the point-slope formula we can substitute know values:
y=mx+b
4=0(3)+b
b=4
y=0x+4
y=4

You could also jsut do it by inspection: since it passes through (3,4) and is horizontal it must cross at (0,4) i.e. all y=4.

Final answer:

The equation of the line parallel to the x-axis and passing through point (3,4) is 'y = 4'. Thus, the correct answer is C y=4.

Explanation:

The question asks for the equation of a line that is parallel to the x-axis and passes through the point (3,4). In the Cartesian coordinate system, a line parallel to the x-axis will have a constant y-value and an equation in the form of y = k, where k is the constant y-value. In this case, the y-coordinate of the given point is 4, which is our constant. Thus, the line parallel to the x-axis passing through the point (3,4) is y = 4. So, the correct answer is C y = 4.

Learn more about Parallel Lines here:

brainly.com/question/32035102

#SPJ2

Simplify:
8.7+5.8-3.1*1*2.3

Answers

8.7+5.8-3.1*1*2.3 = (8.7 + 5.8) - (3.1 * 2.3)

(14.5) - (7.13)

7.37
I'm assuming that 1*1 means 1 times 1 and not 1^1 so

8.7+5.8-3.1*1*2.3
pemdas so mutiplication first
-3.1*1*2.3=-3.1*2.3=-7.13 since opposite signs multiplied make negative
then addition subtraction
8.7+5.8-7.13
14.50-7.13
7.37