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insens350 [35]
3 years ago
9

Need help with all 3 pleaseeee

Mathematics
2 answers:
lozanna [386]3 years ago
4 0
A
A
D
Hope this helps!!
xxTIMURxx [149]3 years ago
3 0
A.
A.
D.
Hope this helps!!
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<img src="https://tex.z-dn.net/?f=%20%5Ccos%28%20%5Calpha%20%20%2B%20%20%5Cfrac%7B%5Cpi%7D%7B2%7D%20%29%20%20%3D%20%20-%20%20%5C
alexandr1967 [171]

\cos (\alpha +\frac{\pi}{2})= \cos(\frac{\pi}{2})\cos (\alpha)- \sin(\frac{\pi}{2})\sin(\alpha)\\=0-\sin(\alpha)\\=-\sin (\alpha)

5 0
3 years ago
Long Division: Write down your<br> steps!<br> 7_984
Vinvika [58]

Answer:

    140.571  

7 | 984.000

    98

    __

    00 40

          35

           __

           050

              49

              ___

              010

                  7

                __

                   1

             

             

Step-by-step explanation:

The numbers listed below 984 is the product of 7 and the number above it.

I hope this helps! :)

4 0
3 years ago
Find x , the angle of depression from the top of a lighthouse that is 173 ft above water level to the waterline of a ship 1119 f
gregori [183]

Answer:

arc tan (angle) = 1,119 / 173

arc tan (angle) = 6.4682080925

angle = 81.212 Degrees

Step-by-step explanation:

3 0
3 years ago
What is 2.26 (6 repeating) as a fraction?
Gekata [30.6K]

Answer:

34/15

Step-by-step explanation:

I recognized the form of this decimal as a number divided by 3. However, when I multiplied it by 3, I got 6.8. This means that the fraction was not fully simplified. Multiplying by 5, I got 34. Since I had to multiply by 3 and then by 5 to get there, I multiplied by a total of 15. Hope this helps!

3 0
4 years ago
I need help with 10,11,12
pshichka [43]
10. 50 is roughly around ~16% of 300. (16% is 50.1)

11. 35% of 150 would be 52.5

12. 80 is 200% of 40

3 0
3 years ago
Read 2 more answers
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