Which of the following is the best estimate of the measure of the angle the skateboard makes with the ground ?

Which Of The Following Is The Best Estimate Of The Measure Of The Angle The Skateboard Makes With The

Answers

Answer 1

Answer:

Correct choice: C. 74.5

Step-by-step explanation:

Trigonometric Ratios

In every right triangle (those who have an internal angle of 90°), the six trigonometric ratios are valid. They relate the other internal angles with the lengths of the triangle.

The skateboard, the wall, and the ground form a right triangle. We need to find the measure of the angle formed by the skateboard with the ground. Let's call it β. In a right triangle, the cosine of an angle is defined as

[tex]\displaystyle \cos\beta=\frac{\text{adjacent leg}}{\text{hypotenuse}}[/tex]

The adjacent leg of β is the side with length 8 in, and the hypotenuse is the length of the skateboard, 30 in, thus:

[tex]\displaystyle \cos\beta=\frac{8}{30}}=0.267[/tex]

Using a digital calculator we find:

[tex]\beta=\cos^{-1}(0.267)[/tex]

[tex]\beta=74.5^\circ[/tex]

Correct choice: C. 74.5


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Laura had 192 dollars to begin with. She just spent b dollars. Using b, write an expression for the number of dollars she has left

Answers

Answer:

$192-$b

Step-by-step explanation:

If Laura had $192 and she spent $b, the expression is $192-$b. Hope it helps!

Sample A has a mean of M = 6. Sample B has a mean of M = 10. When the two samples are combined, the mean of the combined group is M = 9. Which of the following is the most accurate description for the two sample sizes?


The samples are the same size.

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There is not enough information provided to determine this.

Sample B is much bigger than Sample A.

Answers

Answer:

Sample B is much bigger than Sample A

Step-by-step explanation:

It is because when seeing sample B alone we can see it has a larger mean than of Sample A. Mean is greater when the values we are using are of bigger value. Since Sample B has bigger values in it so it also a has bigger mean compared to Sample A which has a smaller mean (smaller values in it)

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Answers

Answer:

It is better to buy the 16-ounce drink and it is 0.01 cent cheaper

Step-by-step explanation:

We have to find out how much each sports drinks cost per ounce.

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It is better to buy the 16-ounce drink and it is 0.01 cent cheaper

Hope this Helps! :)

Have any questions? Ask below in the comments and I will try my best to answer.

-SGO

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Answers

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Step-by-step explanation:

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Answers

Answer:30.61  I believe I’m right

Step-by-step explanation:

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Answers

Answer:

#7:[tex]y=\frac{4}{7} x-\frac{54}{7}[/tex]

Slope: 4/7

Step-by-step explanation:

First off you need to graph these equation on a graph i recommend using Desmos, it is free you can search it up. After you graph you need to focus on rise/run. this is simple, count how many times you go up before you reach the point diagnolly, then go over however many until you reach the point. Write it in a fraction such as, 2/1, this would be your slope, 2.

I hope this helps!

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Answers

Answer:

m = (y2-y1)/(x2-x1)

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Answers

Answer:

0.22

Step-by-step explanation:

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Answers

Answer:I think it is

7 -5

Step-by-step explanation:

Answer:

D-(7, –5)

Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

Which equation represents the relation that is shown in the graph?

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Answers

Answer:

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Step-by-step explanation:

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Answer:

D

Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

Answer:

1

Step-by-step explanation:

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Answers

Answer:

Y intercept would be (0, 2/3)

Step-by-step explanation:

Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Answers

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Step-by-step explanation:

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Answers

Answer:

y=-6x+1

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answers

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answers

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Step-by-step explanation:

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Step-by-step explanation:

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