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Orlov [11]
3 years ago
13

The Alliance Corp. expects to sell the following number of units of copper cables at the prices indicated, under three different

scenarios in the economy. The probability of each outcome is indicated. Outcome Probability Units Price A 0.50 295 $ 34 B 0.30 510 49 C 0.20 790 59 What is the expected value of the total sales projection?
Mathematics
1 answer:
Serggg [28]3 years ago
8 0

Answer:

E(x) = 21834

Step-by-step explanation:

Given

The above data

Required

Determine the expected value E(x)

E(x) is calculated as thus;

E(x) = \sum xf(x)

Where f(x) represents the total sale of each outcome;

For A:

f(x) = 295 *34

f(x) = 10030

For B:

f(x) =510 *49

f(x) =24990

For C:

f(x) = 790 *59

f(x) = 46610

Hence, E(x):

E(x) = 0.5 * 10030 + 0.30 * 24990 + 0.20 * 46610

E(x) = 21834

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Find the quadratic function that fits curve below. Select the correct answer.
raketka [301]
<h2>Hello!</h2>

The answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

<h2>Why?</h2>

We can solve the problem and find the correct function that fits the curve below by finding which function intercepts the y-axis at -5 (we can see it from the picture), also, we need to look for a function that represents a parabola opening upwards. We need to remember that when a parabola is opening upwards, its quadratic term coefficient is negative.

So, we can see that from the given functions, the only function that represents a parabola opening upwards and its y-intercept is located at y equal to -5 is the second option:

y=-3x^{2}+13x-5

We have that :

a=-3(negative)\\b=13\\c=-5(y-intercept)

We can see that the quadratic term (a) is negative, and the quadratic function intercepts the y-axis at y equal to -5.

Hence, the answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

Have a nice day!

Note: I have attached a picture for better understanding.

4 0
3 years ago
Multiply the polynomials.
Oxana [17]
I’m pretty sure that the answer is D
3 0
3 years ago
Find the value of x in the triangle shown below
pantera1 [17]

Answer:

48 (i might be wrong)

Step-by-step explanation:

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7 0
2 years ago
1 BAJILLION POINTS!!
Natalija [7]

Answer:

False!

Step-by-step explanation:

As C is not equal to -13 (number line)

So, your answer would be false.

hope it helps!

4 0
3 years ago
Read 2 more answers
Quadrilateral ABCD is a trapezoid with an area of 20 cm^2 Find the height of the trapezoid, h. Round the answer to the nearest t
sergij07 [2.7K]
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the answer is 4.0 cm</span>
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