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mihalych1998 [28]
3 years ago
8

Helppppppppp mathhhh

Mathematics
2 answers:
nadezda [96]3 years ago
6 0
Tan (x) = 0.8. To calculate the angle x, find the tan⁻¹ (0.8) = 38.7°
antoniya [11.8K]3 years ago
4 0
Tangent of angle = 0.8
Let the angle be Q
Tan Q = 0.8
Q = tan^-1 (0.8)
= 37.6598
= 37.7 (to nearest tenth)
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A ball is dropped from the top of a building that is 250 feet tall. The
Virty [35]

hi

-16t²+250 = 75

-16t² = 75 -250

-16t² = -175

  t² = -175 /-16

 t² = 175/16

Here there si two solutions :  t = \sqrt{175/16}   and  t =  - \sqrt{175/16}

However, as time cannot rewind,  we will  keep only positive solution

So t = \sqrt{175/16}

   

in seconds  it will be  :  3.3 seconds

3 0
3 years ago
If 7x + 3 = 24, what is the value of 5 - 4x?
Iteru [2.4K]

Answer:

Step-by-step explanation:

7x + 3= 24

7x= 24-3

7x= 21

x= 21/7

x= 3

Then we have that

5-4x

5-4(3)

5-12

Answer= -7

3 0
2 years ago
For the following rectangular prism, find the length of the diagonal connecting A to B. Round to the nearest tenth.
meriva

Answer:

I think it is 192

Step-by-step explanation:

Volume of cube: 5 x 4 x 8 = 160

Area of diagonal: 160/2 = 80

Length of diagonal: 80 / 0.5 x 3 = 480

AB = 480 / 5 x 2 = 192

8 0
2 years ago
The Newtown Telephone Company advertises that if you use their​ 10-10 service, you will always pay only 9c per​ minute, no matte
lord [1]

Answer:

y = 9x cents

y = (36 + 3x) cents

Step-by-step explanation:

Given that:

Newtown telephone company :

Fee per minute = 9c

Tyrus company :

Fee per minute = 3c

Connection fee = 36c

Cost equation :

y = total cost for each phone call:

x = minutes phone call last ;

Newton Company :

y = (fee per minute * minute phone call last)

y = 9 * x

y = 9x cents

Tyrus Company:

y = (connection fee + (fee per minute * minute phone call last))

y = (36 + (3 * x))

y = (36 + 3x) cents

8 0
3 years ago
Does anybody know this???
bearhunter [10]
I think the answer is: 2010
7 0
3 years ago
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