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dem82 [27]
3 years ago
12

Jada is visiting New York City to see the Empire State building. She is 100 feet away when she spots it. To see the top, she has

to look up at an angle of 86.1 degrees. How tall is the Empire State building?
Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
7 0
(sin(86.10) * 100 ) / (sin(3.90)) = 1466.85 ft.

(3.90 is the angle of the top to Jada. (180 - (86.1+90))
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A train leaves Westchester at 6:30. What time should it arrive at Middlewich
Sholpan [36]

Answer:

a). 6:51

b). 6:30 am

c). 34 minutes

Step-by-step explanation:

a). Train leaves Westchester at 6:30.

   From the arrival - departure table in column (2),

   Arrival time of the train at middlewich = 6:51

b). Kate has to reach Southam before 9:00 am

   Therefore, time of the latest train that she can catch to get to work on time is 6:30 am

    By this train she can reach at 07:19 at Southam.

c). Duration of journey from Westchester to Eastwick = 06:34 - 06:00

                                                                                        = 00:34

                                                                                        ≈ 34 minutes

8 0
3 years ago
Who can do this? Pls help
Arte-miy333 [17]

Answer:

15. 2

16. \frac{27}{16} or 1.6875

17. \frac{17}{30} or 0.5666666667

18. 5

19. \frac{35}{8} or 4.375

20. \frac{22}{5} or 4.4

Step-by-step explanation:

Find common denominators. Multiply then simplify (if possible).

4 0
3 years ago
Help plz math related questions 4 of them
Soloha48 [4]
Simple...

you have:

1.) x-3y  when x=-4 and y=9 

-->>> (plug it in)

-4-3(9)

-4-27

-31

2.) a-|b|  when a=-7.6 and b=-8.9

-->>>(plug it in)

-7.6-|-8.9|

-16.5

3.) 3(8x-y) when x=-4 and y=9

-->>(plug it in)

3(8(-4)-9)

3(-32-9)

3(-41)

-123


4.)

\frac{9c}{d} when c=2 and d=\frac{1}{3}

\frac{9(2)}{ \frac{1}{3} }

\frac{18}{ \frac{1}{3} }

54

Thus, your answer.






6 0
3 years ago
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