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SOVA2 [1]
3 years ago
11

HELP PLSSS ASAP!!!!!!

Mathematics
1 answer:
Orlov [11]3 years ago
5 0

Answer: p=5+3/2 or p=5-3/2

Step-by-step explanation:

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The exact value of cos5pi/12 is:​
jonny [76]

Step 1: Convert \frac{5\pi }{12}, which is in radians into degrees. To convert it multiply by \frac{180}{\pi }

\frac{5\pi }{12} =\frac{180}{\pi }

900/12

75

Step 2: 75 degrees isn't on the unit circle but 45 degrees and 30 degrees is. Since 45 + 30 = 75 you can use the cosine of 45 and 30 to find the exact value

cos45 = \frac{\sqrt{2} }{2}

cos30 =\frac{\sqrt{3} }{2}

Step 3: Add the cos45 and cos30 to get cos5pi/12

\frac{\sqrt{2} }{2} +\frac{\sqrt{3} }{2} = \frac{\sqrt{2}+\sqrt{3}}{2}

Hope this helped!

4 0
3 years ago
A cylindrical container has a volume of 36 cm³. Another container made out of the same material is similar to the first containe
USPshnik [31]
I hope this helps you



Volume = pi.r^2.h


36= pi.r^2.h



Volume =pi.r^2.3/4h


Volume =pi.r^2.h.3/4


Volume =36.3/4


Volume =9.3


Volume =27

3 0
3 years ago
Read 2 more answers
...........................
kramer

Answer:

i dont see a question .

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A ladder is placed in such a way that it reaches a window 12 m high from the ground on placing it against a wall at a distance x
liubo4ka [24]

Answer:

9 m

Step-by-step explanation:

Suppose AB is the ladder. AC is the height of the window above the ground and BC is the distance of the foot of ladder from the wall.

The triangle ABC is right angled at C.

∴ AB² = AC² + BC²

=> 15² = 12² + x²

=> 225 - 144= x²

=> 81 = x²

=> 9 = x

  • Hence, distance of the foot of the ladder from the wall is 9 m.

5 0
3 years ago
Read 2 more answers
ABCD is a rhombus. Fill in the missing steps in the two column proof to explain why ABC is congruent to CDA.
White raven [17]
1)Opposite sides of a rhombus are have the same length. 
2)Same thing as statement 1: Opposite sides of a rhombus have the same length.
3) The side AC is common to the two triangles ABC and CDA. 
4)The two angles ABC and CDA are congruent   by the SSS theorem of 
congruent triangles 
8 0
3 years ago
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