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Pachacha [2.7K]
2 years ago
14

A central angle of a circle measures π/3 radians intercepts an arc that is 12πcm. What is the radius of the circle?

Mathematics
1 answer:
nydimaria [60]2 years ago
8 0
Wouldnt it be 4 im pretty sure i did the math right i hope this works can you answer mine?
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The sale bin in a clothing store contains an assortment of t-shirts in different sizes. There are 7 small, 8 medium, and 4 large
umka21 [38]

Answer:

P(at least 1 large) = 0.648

P(at least 1 large) = 64.8%

Step-by-step explanation:

We have 7 small shirts, 8 medium shirts and 4 large shirts

Total number of shirts = 7 + 8 + 4 = 19 shirts

The probability that at least one of the first four shirts he checks is a large is given by

P(at least 1 large) = 1 - P(no large)

So first we need to find the probability that the none of the first four shirts he checks are large.

For the first check, there are 15 small and medium shirts and total 19 shirts so,

15/19

For the second check, there are 14 small and medium shirts and total 18 shirts left so,

14/18

For the third check, there are 13 small and medium shirts and total 17 shirts left so,

13/17

For the forth check, there are 12 small and medium shirts and total 16 shirts left so,

12/16

the probability of not finding the large shirt is,

P(no large) = 15/19*14/18*13/17*12/16

P(no large) = 0.352

Therefore, the probability of finding at least one large shirt is,

P(at least 1 large) = 1 - P(no large)

P(at least 1 large) = 1 - 0.352

P(at least 1 large) = 0.648

P(at least 1 large) = 64.8%

4 0
3 years ago
If a polygon is a regular pentagon, then it has 5 sides.
mina [271]
If a polygon has 5 sides, then it is a regular pentagon
False: regular pentagon = equiangular.  There are pentagons that have 5 sides that are not equiangular
3 0
3 years ago
Read 2 more answers
Ratio of boys to girls in a class of 27 is 1:2
kvasek [131]
9 boys and 18 girls
7 0
2 years ago
Use the information given to enter an equation in standard form.
nexus9112 [7]

Answer:

y - 1.4x = - 6.8

Step-by-step explanation:

To find the equation: find the slope, use point-slope form to calculate the equation, then convert the equation to standard form.

Slope: \frac{45-31}{37-27} = \frac{14}{10} = 1.4

Use point slope form: y - y₁ = m(x - x₁)

Plug in x = 27, y = 31, and m = 1.4

y - 31 = 1.4(x - 27)

y - 31 = 1.4x - 37.8

y = 1.4x - 6.8

Convert this into standard form: ax + by = c

y - 1.4x = - 6.8

5 0
2 years ago
1.
torisob [31]

Answer:

223

Step-by-step explanation:

?

4 0
3 years ago
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