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Komok [63]
3 years ago
7

F(x)

Mathematics
1 answer:
8_murik_8 [283]3 years ago
4 0
The answer is -4 because when you put -4,0 you will get 0 for y
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Suppose that you and a friend are playing cards and you decide to make a friendly wager. The bet is that you will draw two cards
Dmitrij [34]

Answer:

Ok, the probability of winning is:

For the first draw, we have 13 diamonds in a 52 card deck, the probability of drawing a diamond is:

p1 = 13/52

for the second draw we have 12 diamonds and 51 cards in the deck, now the probability is:

p2 = 12/51

the total probability is equal to the product of the individual probabilities, this is:

P = p1*p2= (13/52)*(12/51) = 0.059

now, the expected value can be calculated as follows.

EV = (P1*X1 + P2*X2)

where P1 is the probabilty of event 1, and X1 is the event 1,

In this case X1 is the event of winning $29, then P1 = 0.059

X2 will be the event of loosing $4, so P2 = 1 - 0.059 = 0.941

Then the expected value for 1 round of the game is:

EV = (0.059*$29 - 0.941*$4) = -$2.05

So if you play 891 times, expected value of 891 times the expected value for 1 round, this is:

891*EV = 891*(-$2.05) = -$1826.55

So you loss around  $1826.55

4 0
3 years ago
Calculate the interest rate when the principal is $300 and interest earned is $40 after 3
stich3 [128]

Answer:

4.4%

Step-by-step explanation:

solution:

principal (p) = $300

time(t) = 3 years

interest (I ) =$40

rate (r) = ?

we know that,

I = (PTR)/100*

OR, 40 = (300 *3 * R)/100

or, 40 = (900R)/100

or, 40 = 9R

or, 40/9 = R

or, R = 4.4%

Rate(r) =4.4%

3 0
3 years ago
The general formula of a parabola with a vertical axis is derived using the focus point and the __________ formula.
Y_Kistochka [10]
This would be the Distance formula
8 0
2 years ago
Jaydie paid $10 for lunch.She has a 20% off coupon for
Nostrana [21]
$2.12 that’s the answer
4 0
2 years ago
Laura tiene en su cuenta ahorro del banco $23.500. Si paga el recibo de la luz que son $12.000
faltersainse [42]

Answer:

le queda -2

Step-by-step explanation:

porque 23.500 - 12.000 = 11.5 - 13.500 = -2

8 0
2 years ago
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