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alukav5142 [94]
2 years ago
11

You should be able to find this

Mathematics
1 answer:
Nastasia [14]2 years ago
3 0

Answer:

\frac{1}{2}

Step-by-step explanation:

sin(cos^{-1} \frac{\sqrt{3} }{2} )

using the sides of the 30- 60- 90 triangle

with legs 1, \sqrt{3} and hypotenuse 2 , then

cos^{-1} \frac{\sqrt{3} }{2} = 30° and

sin30° = \frac{1}{2}

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Find the surface area of the composite solid.
Dvinal [7]

Answer:

281 ft^2

Step-by-step explanation:

We need to add each individual 2d shape together to find the surface area

Bottom: 5*12 = 60

Left side and right side: 4*5 = 20, 2 sides so 20*2= 40

Side facing us and side facing away from us: 12*4 = 48, 2 sides so 48*2=96

Top side that is cut by base of triangle: 7*5 = 35

Each triangle face: base = 5 (12-7), height = 5             1/2base * height so each triangle is .5*5*5 = 12.5; 4 triangles so 12.5*4=50

60+40+96+35+50=281

4 0
3 years ago
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A giant tortoise can travel at a speed of about .2 kilometers per hour. At this rate, how far can it travel in 1.75 hours?
DedPeter [7]
0.35 miles I believe I'm not super good at these

8 0
3 years ago
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Can anyone help me on this question? Plese asap
dmitriy555 [2]
It’s the letter of c
4 0
3 years ago
Question 5
Darina [25.2K]

Answer:

the answer is 12.24 .

Step-by-step explanation:

that answer is right is because when you add of those you get 530 , then you divide by how many numbers there are which is 7 , which equals to 75.7 . when you get that number ( 75.7) you subtract that number to 65,90,85,70,70,95, and 55 . when you get the total of all of those you add those . which is 10.7, 14.3 , 9.3 , 5.7 , 5.7 , 19.3 , and 20.7 . from adding those you get 85.7. you divide by 7 and get 12.24 . hope this helps :) .

8 0
2 years ago
Someone please help me quickly i will give brainlyist
scZoUnD [109]

(16,5) it should be

16 input

5 output

if you went to 5 ont he y-axis and keep going till it hits the line the x seems to be 16.

im deeply sorry if this is wrong.

4 0
3 years ago
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