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ratelena [41]
3 years ago
14

Plz help, Lots of points

Mathematics
2 answers:
Ierofanga [76]3 years ago
3 0

Answer:

1. 141.3

2. 23.14

3. 31.4

klio [65]3 years ago
3 0

Answer:

1. 141.3

2. 23.14

3. 31.4

I think

Step-by-step explanation:

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frosja888 [35]

a. 8:21

b. 21:8

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0.0378

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What is the equation of a line with slope of 3 and going through the point (2, 4)
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3 years ago
Use the triangle below to find cos V.
Semenov [28]

Answer:

cos\ V = \frac{2\sqrt{29}}{29}

Step-by-step explanation:

Given

The attached triangle

Required

Find cos V

In trigonometry:

cos\theta = \frac{Adjacent}{Hypotenuse}

In this case:

cos V= \frac{TV}{UV}

Where

TV = 6

and

UV^2 = TV^2 + TU^2 -- Pythagoras

UV^2 = 6^2 + 15^2

UV^2 = 261

Take square roots

UV = \sqrt{261

UV = \sqrt{9*29

UV = \sqrt{9} *\sqrt{29

UV = 3\sqrt{29

So:

cos V= \frac{TV}{UV}

cos\ V = \frac{6}{3\sqrt{29}}

cos\ V = \frac{2}{\sqrt{29}}

Rationalize:

cos\ V = \frac{2}{\sqrt{29}}*\frac{\sqrt{29}}{\sqrt{29}}

cos\ V = \frac{2\sqrt{29}}{29}

8 0
2 years ago
A sheet of paper has a perimeter of 39 in. If the width of the paper is 8.5 in. What is the length of the sheet of paper?
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divide both sides by 2
L = 11

therefore the length of the sheet of paper is 11 in.
7 0
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