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balandron [24]
2 years ago
9

A spinner is divided into 12 equal parts. The probability of spinning an ""x"" is ¼. How many of the parts are labeled ""x""?

Mathematics
1 answer:
velikii [3]2 years ago
7 0

Answer:

3

Step-by-step explanation:

There is a 1/4 chance of landing on an x. If you multiply 4*3 you get 12 (The total amount of parts) but since you multiplied 4 by 3 you also have to multiply 1 by 3, so that would give you 3/12 meaning that 3 parts are labeled "x"

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What is the period of the function f(x)=sin(x/3) ?
vitfil [10]
<h3>Answer: 6pi radians</h3>

(this is equivalent to 1080 degrees)

======================================

Explanation:

f(x) = sin(x/3)

is the same as

f(x) = 1*sin( (1/3)(x-0) )+0

and that is in the form

f(x) = A*sin( B(x-C) )+D

The letters A,B,C,D are explained below

A = helps find the amplitude

B = 2pi/T, where T is the period

C = determines phase shift (aka left/right shifting)

D = determines vertical shift = midline

All we care about is the value of B as that is the only thing that is connected to the period T

--------

Compare f(x) = 1*sin( (1/3)(x-0) )+0 with f(x) = A*sin( B(x-C) )+D and we see that B = 1/3, so,

B = 2pi/T

1/3 = 2pi/T

1*T = 3*2pi ... cross multiply

T = 6pi

The period is 6pi radians. This is equivalent to 1080 degrees. To convert from radians to degrees, you multiply by (180/pi).

6 0
3 years ago
The values of the 2s in 2,201,538 are.
Ronch [10]

Answer:

First Two: 2 million,

Second Two: 2  hundred thousand

8 0
3 years ago
Plz help Ill give brainliest for first answer
faltersainse [42]

Answer:

ok ask the question plzzzzz

5 0
3 years ago
Read 2 more answers
Just need help with 4. Please
konstantin123 [22]

Answer:

11 3/5*9*12 1/2=1,305

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Hope I helped.

Step-by-step explanation:

6 0
3 years ago
15 Points!
mart [117]
Sin = 14/50; 7/25 & tan = 14/48; 7/24, Hope this helps.
3 0
3 years ago
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