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Likurg_2 [28]
2 years ago
8

Evaluate C(5, 0).  Combinations

Mathematics
1 answer:
denpristay [2]2 years ago
5 0
The general equation for the combination is as shown below,
                                      
                 C(n,r) = n!/(r!(n-r)!)

Note that the symbol "!" means factorial. 

In our example, n = 5 and r = 0. Substituting the known values,
                   C(5,0) = 5!/(0!(5-0)!) = 1

The answer to this item is 1. 
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If (1)=0, what are all the roots of the function f(x)=x3+3x2-x-3?use the remainder theorem
Anon25 [30]
If f(1)=0, then by the remainder theorem \dfrac{f(x)}{x-1} has a remainder of 0, which means f(x) is divisible by x-1. In fact,

x^3+3x^2-x-3=x^2(x+3)-(x+3)=(x^2-1)(x+3)=(x-1)(x+1)(x+3)

So we know 1 is a root, and the other two roots are -1 and -3.
6 0
3 years ago
Given f(x) = e^x and g(x) = x – 2, what is the range of (g*f)(x)
frutty [35]

For this case we have the following functions:

f (x) = e ^ x\\g (x) = x-2

By definition we have to:

(f * g) (x) = f (x) * g (x)

Substituting:

(f * g) (x) = e ^ x (x-2)

The range of the function is given by all values of "and" valid. That is, all the real numbers.

ANswer:

(-∞,∞)

Graphic attached

4 0
3 years ago
What is the value of this expression when a=4, b=-5, and c=-7?
nasty-shy [4]

Answer: C. 6 1/6

Step-by-step explanation:

2 * -5 * -7 = -10 * -7 = 70

70 + 4 = 74

3 * 4 = 12

74/12 = 6 1/6

4 0
3 years ago
Solve two sevenths times four sixths . (2 points) Group of answer choices six forty seconds eight forty seconds six thirteenths
Maksim231197 [3]

Given:

The statement is "two sevenths times four sixths".

To find:

The value of the product.

Solution:

Two sevenths times four sixths can be written as:

\dfrac{2}{7}\times \dfrac{4}{6}

It can be rewritten as:

\dfrac{2}{7}\times \dfrac{4}{6}=\dfrac{2\times 4}{7\times 6}

\dfrac{2}{7}\times \dfrac{4}{6}=\dfrac{8}{42}

The answer of given expression is eight forty seconds.

Therefore, the correct option is B.

8 0
2 years ago
Plz help, asap, do not paste link for other website.
riadik2000 [5.3K]

Answer:

D is the answer not a or b or c

Step-by-step explanation:

none

3 0
2 years ago
Read 2 more answers
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