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seropon [69]
3 years ago
8

HELP ASAPPPP!!!!!!!!!

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
6 0

Answer:

AB ≈ 7.36 inches

Step-by-step explanation:

  1. AB = 2 * π * r * (\frac{n}{360})
  2. r = 7 n = 60
  3. 2 * 3.14 * 7 (\frac{60}{360})
  4. 6.28 *7 (\frac{60}{360})
  5. 43.98 * (\frac{60}{360})
  6. 43.98 * (\frac{1}{6})
  7. AB ≈ 7.36 in
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2. Find the number of distinct triangles with c=11,b=7,B=18 a.0 b.1 c.2 d. cannot be determined
jok3333 [9.3K]
Answer: Choice C) 2

----------------------------------------------

Explanation:

Using the law of sines, we get
sin(B)/b = sin(C)/c
sin(18)/7 = sin(C)/11
0.0441452849107 = sin(C)/11
11*0.0441452849107 = sin(C)
0.4855981340177 = sin(C)
sin(C) = 0.4855981340177
C = arcsin(0.4855981340177) or C = 180-arcsin(0.4855981340177)
C = 29.0516679549861 or C = 150.948332045013
There are two possibilities for angle C because of something like sin(30) = sin(150) = 1/2 = 0.5

Those approximate values of C round to
C = 29.05 and C = 150.95

If C = 29.05, then angle A is
A = 180-B-C
A = 180-18-29.05
A = 132.95
Making this triangle possible since angle A is a positive number

If C = 150.95, then angle A is 
A = 180-B-C
A = 180-18-150.95
A = 11.05
making this triangle possible since angle A is a positive number

There are two distinct triangles that can be formed. 
One triangle is with the angles: A = 132.95, B = 18, C = 29.05
The other triangle is with the angles: A = 11.05, B = 18, C = 150.95
The decimal values are approximate
7 0
3 years ago
Pls help me i just need number one but u can do 2
torisob [31]

Answer:

1200

Step-by-step explanation:

v=15×8×10

.

.

the second one i cant see clearly the number but u just need to multiple tgose two numbers

8 0
2 years ago
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Juliette [100K]

Answer:

N/A

Step-by-step explanation:

Which area of shaded segment?

4 0
3 years ago
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Please help i really don't know the answer.
inn [45]

Answer:

95 degrees

Step-by-step explanation:

The degrees of a pentagon adds up to 540 so just subtract the angles you have from that to get the answer

8 0
3 years ago
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While performing a piece of music, Tommy strikes the cymbals every 7 beats and the triangle is every 12 beats. If he just struck
Semmy [17]

Answer:

84

Step-by-step explanation:

In interval questions we use LCM

LCM of 7, 12=84

Therefore, the number of beats will pass before he again strikes them at the same time is 84

5 0
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