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lisov135 [29]
3 years ago
8

Solve variable 3/4x-5=7

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
5 0

Answer:

x=16

Step-by-step explanation:

7+5=12

12 divided by 3/4 is 16

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A cell phone tower that is 150 ft tall sits on a mountain that
aliina [53]

Answer:

angle of elevation will be 2.14^o.

Step-by-step explanation:

Given,

height of tower = 150 ft

height of tower = 1200 ft

So, total height of peak of tower = 1200 + 150

                                                       = 1350 ft

distance of user from cell tower = 5 miles

                                                     = 5 x 5280 feet

                                                     = 26,400 feet

Since the height of user from sea level = 400 ft

so, height of peak of tower with respect to user = 1350 - 400 ft

                                                                                = 950 ft

If the angle of depression is assumed as \theta, then we can write

tan\theta\ =\ \dfrac{\textrm{height of peak of tower w.r.t user}}{\textrm{distance of user from tower}}

=>\ tan\theta\ =\ \dfrac{950}{26400}

=>\ tan\theta\ =\ 0.374

 =>\ \theta\ =\ 2.14^o

So, the angle of elevation will be 2.14^o.

5 0
3 years ago
Which conditional statement has a converse that is true?
EastWind [94]
If I'm running then I'm exercising

Converse if I'm exercising then I'm running not necessarily maybe your jogging or another exercise

If I'm awake then I'm studying
Convers if I'm studying then I'm awake .since you have to be awake in order to study this is the one that's the right answer
4 0
3 years ago
Read 2 more answers
Find the slope and y-intercept of line<br><br> -3x+5y=10
Lisa [10]
-3x+5y=10 (add 3x on both side)
5y=3x+10 ( divide 5 to each term)
y=3/5x+2
slope is 3/5
y-intercept is 2

7 0
3 years ago
Read 2 more answers
A man flies a kite and lets out 100 feet of string. The angle of elevation of the string is 52°. How far away is the man from th
GREYUIT [131]

Answer:

61.57 ft

Step-by-step explanation:

Look at the picture. You need to find the base value.

so we can sue the cosine formula here.

cos x° = adjacent / hypotaneous

cos 52 ° = adj / 100

adjacent = 100 cos 52°

               =61.57 ft

6 0
2 years ago
Read 2 more answers
Write a number sentences to add 6 ones to 21. write a number sentences to add 6 tens to 21
Harman [31]
6 + 21 = 27 (Add six ones)
60 + 21 = 81 (Add six tens)
7 0
3 years ago
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