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inysia [295]
3 years ago
12

In the hotel room, Emily works on one of the field trip assignments. A certain

Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0
1 don’t trust me tho lol
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FIND PR.PLS HELP BRAINLIEST...
slega [8]

Answer:

6.2 units.

Step-by-step explanation:

We are given two angles and an opposite corresponding side. To solve for an unknown side, we can use the law of sines.

\frac{8}{sin(90)}=\frac{x}{sin(180-39-90)}=\frac{x}{sin(51)}

Cross multiplying and solving will get you this:

x=\frac{8(sin(51))}{sin(90}

Which can simplify to:

x=8(sin(51))

Which putting into a calculator gets you:

x=6.2

So the line PR is 6.2 units long.

6 0
3 years ago
Please help me 8^2+3(36/6)-2
Hitman42 [59]

8^2+3(36/6)-2=80

3 0
3 years ago
Read 2 more answers
The average person's head has about 100,000 strands of hair.
MrMuchimi

Answer:

B: 1 × 10^5

Step-by-step explanation:

B is correct and C is not becasue you have to have the number multiplied by 10 to a power because then you wouldn't know what number to use as the base. I hope this helps. :)

7 0
3 years ago
Read 2 more answers
4. (10 points) From the given triangle:
katrin2010 [14]

Answer:

sinθ =  y/r        sinθ = \frac{-6}{10} = \frac{-3}{5}

cosθ =  x/r       cosθ = \frac{8}{10} = \frac{4}{5}

tanθ =  y/x       tanθ =  \frac{-6}{8} =\frac{-3}{4}

cscθ =  r/y       cscθ = \frac{-5}{3}

secθ =  r/x       secθ =  \frac{5}{4}

cotθ = x/y       cotθ = \frac{4}{3}

explanation:

r = \sqrt{(8)^{2}+(-6)^{2}  }

r = 10

x = 8

y = -6

r = \sqrt{(4)^{2}+(3)^{2}  }

r = 5

x = 4

y = 3

7 0
3 years ago
Can someone please explain to me how to do <br> 3/5x + 22 = 28<br> Thanks so much
AysviL [449]
3/5x+22=28  (Simplify, get all the whole numbers on one side)
       -22  -22

5(3/5x)=(6)5  (Get rid of the fraction by multiplying everything by 5)

3x=30  (Get the variable by itself, divide by 3)

x=10

4 0
3 years ago
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