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scZoUnD [109]
3 years ago
5

Can someone help me with this question please.

Mathematics
1 answer:
poizon [28]3 years ago
8 0

Answer:

98

Step-by-step explanation:

3 bed house= 33 rooms

4 bed house 40 rooms

4 bed house 25 rooms

each house is worth 2 houses. so u double everything

hope I got it right

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Three oranges cost $1.35 at this rate how much do five oranges cost
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Find the expected value for the random variable. | 9 12 15 18 21 P(z) 0.16 0.25 0.36 0.17 0.06 Z E(z) = (Type an integer or a de
dmitriy555 [2]

Answer:

The expected value for the random variable is 14.16.

Step-by-step explanation:

We are given the following data below;

          Z                               P(Z)                        Z \times P(Z)

          9                               0.16                           1.44

         12                              0.25                             3

         15                              0.36                           5.4

         18                               0.17                           3.06

         21                          <u>    0.06    </u>                 <u>      1.26      </u>  

       Total                       <u>       1        </u>                <u>      14.16      </u>  

Now, the expected value for the random variable Z is given by;

          E(Z) = \sum Z \times P(Z)

                  = (9 \times 0.16) + (12 \times 0.25) +......+(21 \times 0.06)

                  = 14.16.

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4 years ago
Pls help rlly easy xx
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Answer:

divide both sides by 5c

\frac{p + q}{5c}

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The expression 27.50+ 0.11x models the monthly cost in dollars of a phone plan. In the
AlladinOne [14]

Answer: 31.57

Step-by-step explanation: If x is 37, that would mean 0.11 x 37 and that equals 4.07. Then you would add 27.50 and 4.07 and get 31.57.

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