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saul85 [17]
3 years ago
12

Write and Solve an area problem that illustrates the use of the find the pattern strategy

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
8 0
An area is when you multiply the height by the base. So, it depends on the picture and its numbers.            ---------------------
 For example:                             /        6in          /
                                             5in/                        /
                                                 /                        /        model number: 5 in×6in=30 in
                                               /                        /
                                               ---------------------
Valentin [98]3 years ago
7 0
The answer above seems to be correct!
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(3x + 5)(3x – 6)<br> 18x – 6<br> 9x² – 3x - 30<br> 9x? 334 – 30<br> 6x - 1
8090 [49]

Answer:

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Step-by-stedcvp explanation: welcome to family fued

fvdvfdvvdvvvvvvvvvvv

6 0
3 years ago
If f(x)=1/9x-2 what is f^-1(x)
Katarina [22]

Answer:

Uhh

Step-by-step explanation:

Jhbnhhnmjh

5 0
3 years ago
Calculate the expected value, the variance, and the standard deviation of the given random variable X. (Round all answers to two
Tom [10]

Answer:

E (X) = 1.8

Var (X) = 0.36

σ = 0.6

Step-by-step explanation:

Solution:-

- Denote the random variable X : is the number of red marbles that Suzan has in her hand after she selects three marbles.

- Total sample space (bag) have the following quantity of colored marbles:

                Bag : { 3 Red , 2 Green }

- Suzan selects three marbles from the bag. The Event (X) defines the number of red marbles out of 3.

- The total number of outcomes / selections for randomly selecting 3 balls from the bag:

               All outcomes = 5 C 3 = 10

- The probability distribution of the random variable X, we will use combinations to determine the required probabilities:

  X = 1 red marble:

        P ( X = 1 ) : Suzan chooses 1 Red marble from the available 3 red marble and 2 green marbles.

        P ( X = 1 ) = [ 3C1*2C2 ] / all outcomes = (3*1) / 10 = 0.3

X = 2 red marble:

        P ( X = 2 ) : Suzan chooses 2 Red marble from the available 3 red marble and 1 green marbles.

        P ( X = 2 ) = [ 3C2*2C1 ] / all outcomes = (3*2) / 10 = 0.6

X = 3 red marble:

        P ( X = 3 ) : Suzan chooses 3 Red marble from the available 3 red marble.

        P ( X = 3 ) = [ 3C3] / all outcomes = (1) / 10 = 0.1

- The probability distribution is as follows:

          X :         1                 2                3

       P (X):       0.3            0.6              0.1

- The expected value E(X) for the given random variable X is:

                E ( X ) = ∑Xi*P(Xi)

                           = 1*0.3 + 2*0.6 + 3*0.1

                           =1.8

- The variance Var(X) for the given random variable X is:

                Var ( X ) = ∑Xi^2*P(Xi) - [ E(X) ] ^2

                               = 1^2*0.3 + 2^2*0.6 + 3^2*0.1 - 1.8^2

                               = 0.36

- The standard deviation for the given random variable X is:

                σ = √Var(X)

                σ = √0.36

                σ = 0.6

5 0
3 years ago
A classmate said that line AB and line DC are parallel based on the diagram below. Explain your classmates error.
MatroZZZ [7]

<em><u>Explanation</u></em>:

The only information we have to go on is that ∠AWZ ≅ ∠XYC. However, these are not specific kinds of angles that can prove lines parallel. If we had a pair of alternate interior angles, such as ∠AWZ and ∠WZY, we could say that the lines are parallel. However, we do not have enough information.

3 0
3 years ago
Someone help okeseeee
sveticcg [70]

Answer:

volume=lxbxh

=6*6*12

=432cm^2

6 0
3 years ago
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