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vovikov84 [41]
3 years ago
14

Joslyn performed an experiment using a die with its faces numbered from 1 to 6. She rolled the die and recorded whether the 5 la

nded face up. She repeated the process many times and kept a cumulative record of the
total number of rolls and the total number of Ss landing face up. The following table shows part of her record.

Suppose Joslyn could roll the die 10.000 times and keep a record of the total number of Ss landing face up in the 10,000 rolls What would such a record Illustrate?
Mathematics
1 answer:
sasho [114]3 years ago
7 0

Answer:

The law of large numbers

Step-by-step explanation:

The Law of large numbers states that if we observe more and more reptitiions of any chance process, the proportion of times that a specific outcome occurs approaches a single value.

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How did they get 21.6?
prisoha [69]

Answer:

Below.

Step-by-step explanation:

There are 2 similar triangles here.

The large one made from the tree, the trees's shadow  and the line from top of the tree to the and of the shadow The other one is the small triangle inside the large one , made from emily , emily's shadow  and line from top of emily's head to the end of the shadow.

Corresponding sides in these 2 triangles  are in the same ratio, so if  h is the height of the tree, then

h / emil's height = length of tree's shadow / length of emily's shadow

h / 6 = 18/5

5h = 6*18

5h = 108

h = 108/5

= 21.6.

The scale factor for emily's to the object  = 5/18.

6 0
3 years ago
Enter your answer and show all the steps that you use to solve this problem in the space provided.
rodikova [14]

Answer:

\boxed{f(x) - g(x) = 2x(2x^{2} + x + 1)}

Step-by-step explanation:

f(x) = 9x³ + 2x² - 5x + 4; g(x)=5x³ -7x + 4

Step 1. Calculate the difference between the functions

(a) Write the two functions, one above the other, in decreasing order of exponents.

ƒ(x) = 9x³ + 2x² - 5x + 4

g(x) = 5x³           - 7x + 4

(b) Create a subtraction problem using the two functions

        ƒ(x) =    9x³ + 2x² - 5x + 4

      -g(x) =  <u>-(5x³           - 7x + 4) </u>

ƒ(x) -g(x)=

(c). Subtract terms with the same exponent of x

        ƒ(x)   =    9x³ + 2x² - 5x + 4

      -g(x)  =   <u>-(5x³          -  7x + 4) </u>

ƒ(x) -g(x) =      4x³ + 2x² + 2x

Step 2. Factor the expression

y = 4x³ + 2x² + 2x

Factor 2x from each term

y = 2x(2x² + x + 1)

\boxed{f(x) - g(x) = 2x(2x^{2} + x + 1)}

5 0
3 years ago
Perform the indicated operation. 3m-6/4m+12*m^2+5m+6/m^2-4
Troyanec [42]

Answer:

\frac{3}{4}

Step-by-step explanation:

The given expression is:

\frac{3m-6}{4m+12} \cdot \frac{m^2+5m+6}{m^2-4}

We factor to get:

\frac{3(m-2)}{4(m+3)} \cdot \frac{(m+2)(m+3)}{(m-2)(m+2)}

Cancel out the common factors to get:

\frac{3(m-2)}{4(m+3)} \cdot \frac{(m+3)}{(m-2)}

We cancel further to get:

\frac{3(m-2)}{4(m+3)} \cdot\frac{(m+3)}{(m-2)}=\frac{3}{4}

The correct chice is B.

5 0
3 years ago
Graph y=|3x| using as many points as needed
Mekhanik [1.2K]

Answer:

Graph is below

Step-by-step explanation:

I am going to use 3 points to make this graph

(0,0)

(-1,3)

(1,3)

3 0
2 years ago
Read 2 more answers
Is x²-5x+3=0 is a linear equations?
Neporo4naja [7]

Answer:

No, the equation is not a linear equation.

Step-by-step explanation:

There is the x^2 thing that doesn't make it a linear equation.

8 0
3 years ago
Read 2 more answers
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