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3 years ago

How many different combinations can there be of four numbers?

Mathematics

1 answer:

Pavel [41]3 years ago

4 0

We can use a factorial for this:

4! = 4*3*2*1 = 24

There are 24 combinations of 4 numbers.

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Which relation is a function?

I am Lyosha [343]

B. Because it makes a linear line.

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3 years ago

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Which is the equation of a circle with its center at (-4,2) and a radius of 4?

Snowcat [4.5K]

Answer:

(x +4)^2 + (y-2)^2 = 16

Step-by-step explanation:

We can write the equation for a circle with the formula

(x-h)^2 + (y-k)^2 = r^2

Where (h,k) is the center and r is the radius

We know the center is at (-4,2) and the radius is 4

(x- -4)^2 + (y-2)^2 = 4^2

(x +4)^2 + (y-2)^2 = 16

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3 years ago

Work out the surface area of this cylinder. Radius-7 cm Height-12 cm

RideAnS [48]

Answer:

226pi

Step-by-step explanation:

2 * pi * 7 *(7+12)

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3 years ago

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What is the next number of 1 2 6 17 47 ? and how?!

geniusboy [140]

2 , 6 , 17 , 47 , 108 , ...

t(n) = 2n^3 - 8.5n^2 + 15.5n - 7

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3 years ago

"What is the probability that the next two employees that join the office staff will take the bus"

castortr0y [4]

Answer:

The correct option is A.

Step-by-step explanation:

Consider the complete question is "The table shows the transportation method used by the employees in an office.

Transportation Number of employees

Car 18

Bus 6

Walk 6

what is the probability that the next two employees that join the office staff will take the bus? A.0.04, B.0.12, C.0.33, D.0.36.

Total number of employees = 18 + 6 + 6 = 30

The probability that the employees take the bus = $\frac{6}{30}=0.2$

The probability that the employees that join the office staff will take the bus is

$Probability=(0.2)\times (0.2)=0.04$

Therefore, the correct option is A.

7 0

3 years ago