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Irina18 [472]
3 years ago
7

A test has 6 multiple choice questions , each with four possible answers . How man different answer keys are possible?

Mathematics
2 answers:
aliya0001 [1]3 years ago
6 0

Answer:

24

Step-by-step explanation:

6 x 4 = 24

cestrela7 [59]3 years ago
3 0

Answer:

Step-by-step explanation:

4⁶=4096

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Which two values of x are roots of the polynomial below? x2 + 3x - 5
lesya692 [45]

Answer:

Step-by-step explanation:

The roots are the values of x for which x² + 3x - 5 = 0.

Quadratic formula:

x = [-3±√(3²-4(1)(-5))]/(2·1) = [-3±√29]/2

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3 years ago
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The answer would be function!
5 0
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A market survey shows that half the owners of Sorey State Boogie Boards became disenchanted with the product and switched to C&a
OlgaM077 [116]

Answer:

\left[\begin{array}{ccc}\dfrac{1}{2} &\dfrac{1}{2}\\\\\dfrac{1}{4}&\dfrac{3}{4}\end{array}\right]

Step-by-step explanation:

Let 1 = Sorey State, and 2 = C&T

Half the owners of Sorey State Boogie Boards became disenchanted with the product and switched to C&T Super Professional Boards the next surf season.

  • This means half moved from State 1 to State 2.

Three quarters of the C&T Boogie Board users remained loyal to C&T, while the rest switched to Sorey State.

  • The rest (1-\frac{3}{4}= \frac{1}{4}) moved from State 2 to State 1.

The Markov Transition Matrix is presented below:

\left\begin{array}{ccc}\\\\\\$Sorey State&1\\\\C\&T&2\end{array}\right\left[\begin{array}{ccc}$Sorey State&C\&T\\1&2\\------&------\\\dfrac{1}{2} &\dfrac{1}{2}\\\\\dfrac{1}{4}&\dfrac{3}{4}\end{array}\right]

The above is presented for clarity sake. The transition matrix is:

\left[\begin{array}{ccc}\dfrac{1}{2} &\dfrac{1}{2}\\\\\dfrac{1}{4}&\dfrac{3}{4}\end{array}\right]

5 0
3 years ago
Can someone help me with 27 and 28?
netineya [11]

<u>You have to do: {</u><u><em> x^4 * 6x^2 </em></u><u>}</u>

(^ means to the power of)

(* means multiply)

Answer in picture

8 0
3 years ago
-(2.6m +5)<br> Please help me
Zinaida [17]

Answer:

<h3>                -2.6m - 5</h3>

Step-by-step explanation:

-(2.6m + 5) = -1(2.6m + 5) = -1•2.6m +(-1)•5 = -2.6m - 5

7 0
3 years ago
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