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Gennadij [26K]
2 years ago
12

Ay, help?

Mathematics
1 answer:
-Dominant- [34]2 years ago
6 0

Answer:

P=67.38

Step-by-step explanation:

All three sides are given. You can use any one of the the three major functions on your calculator to g

Adjacent = PQ = 5

Hypotenuse = PR = 13

Cos(P)  = Adjacent / Hypotenuse

Cos(P) = 5/13

Cos(P) = .3846

Now you need to use the inverse cos to get P

P = cos-1(.3846)

P =67.38

=====================================

Now we'll try the tangent

Tan(P) = opposite / adjacent

Tan(P) = 12/5

Tan(P) =2.4

P = Tan-1(2.4)

P = 67.38

Both functions give the same thing

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7 0
3 years ago
Solve 3x-2y=15 for y?
Nikitich [7]

Answer:

y=3x-15

Step-by-step explanation:

3x-2y=15

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7 0
3 years ago
I don't understand this plz help explain how to do it
podryga [215]

Answer:

1. U. 190

2.U. 155

3. U. 240

Step-by-step explanation:

Explanation: To find an angle of a triangle we add the angles we know about

EXAMPLE: 50 + 120. We need to find the third angle.

We know that Angles of triangles should add up to 360

So to find the third angle we add the angle we know about.

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EXAMPLE: 50 + 120 = 170

EXAMPLE: 170 - 360

EXAMPLE: = 190

That's how we find a third angle!

If this doesn't clarify how do to it enough just let me know and i can try to explain more in detail!

Hope this helps you!!!

Have a nice day!

6 0
3 years ago
It was 96 kilometers from perry to medford. David raced to medford and idled back. If the round trip took 8 hours, what was his
valkas [14]
Average speed = (total distance) / (total time)

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3 0
3 years ago
Read 2 more answers
1.Eric earned a 12 correct points out of 15 total points on his math quiz.
Sholpan [36]

Answer:

Jamie, because 9 out of 10 is a 90 and 12 out of 15 is an 80

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2 years ago
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