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Lunna [17]
2 years ago
10

Need help with this.

Mathematics
1 answer:
I am Lyosha [343]2 years ago
7 0

Answer:

holis enserio alguien habla español aca

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Find the equation for the<br> following parabola<br> Vertex (-2,-4)<br> Focus (-4,-4)
iren [92.7K]

Answer:

None of the given option corresponds to the answer.

Step-by-step explanation:

The parabola has its axis of symmetry parallel to the x-axis and is represented by the following expression:

x - h = 4\cdot p \cdot (y-k)^{2}

Where:

h, k - Components of the vertex location, dimensionless.

p - Absolute distance of focus with respect to vertex, dimensionless.

The absolute distance is determined by following formula:

p = x_{F}-h

Where x_{F} is the horizontal component of focus with respect to origin.

If h = -2, k = -4 and x_{F} = -4, the absolute distance and the equation that represents the parabola is:

p = -4+2

p = -2

x +2 = -8\cdot (y+4)^{2}

None of the given option corresponds to the answer.

8 0
4 years ago
1. consider a lottery with three possible outcomes: $125 will be received with probability 0.25, $100 will be received with prob
tigry1 [53]

The lottery's anticipated worth is $80.

Given that,

The probability of receiving $125 is 0.25; the likelihood of receiving $100 is 0.3; and the likelihood of receiving $50 is 0.45.

A) EV=125*.2+100*.3+50*.5=$80

The lottery's anticipated worth is $80.

The expected value is obtained by multiplying each result by its likelihood.

The expected value of the lottery is then calculated by adding up all of these.

This is what we have: ;;

125(0.2) + 100(0.3) + 50(0.5) (0.5)

= 25 + 30 + 25 = $80

B) This is the formula for variance is shown in figure :

So, we can calculate the variance as follows:

.2*(125-80)^2+.3*(100-80)^2+.5*(50-80)^2=975

C) A risk-neutral person would pay $80 or less to play the lottery.

To learn more about probability click here:

brainly.com/question/14210034

#SPJ4

4 0
2 years ago
Read 2 more answers
What is 25% of 12???
Ghella [55]

Answer:

3

Step-by-step explanation:

%25 is 1/4

1/4 of 12 is 3

3 0
3 years ago
Read 2 more answers
Help pls!! thanks in advanced!!
hram777 [196]

go and kysx lololollozz 912929

7 0
3 years ago
Plzzz help me I am timed plzzzzz
drek231 [11]
Your answer would be D or 6
3 0
3 years ago
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