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Gre4nikov [31]
3 years ago
10

In a gambling game a person draws a single card from an ordinary 52-card playing deck. A person is paid $17 for drawing a jack o

r a queen and $5 for drawing a king or an ace. A person who draws any other card pays $2. If a person plays this game, what is the expected gain
Mathematics
1 answer:
Artyom0805 [142]3 years ago
3 0

Answer:

E.G=\$2

Step-by-step explanation:

Sample size 52 card

Pay for J or Q =\$17

Pay for King or Ace =\$5

Pay for others =-\$2

Therefore

Probability of drawing J or Q

P(J&Q)=\frac{8}{52}

Probability or drawing King or Ace

P(K or A)=\frac{8}{52}

Probability or drawing Other cards

P(O)=\frac{36}{52}

Therefore

Expected Gain is mathematically given as

E.G=\sum_xP(x)

E.G=17*\frac{8}{52}+5*\frac{8}{52}+(-2)*\frac{36}{52}

E.G=\$2

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Clarisse used the ordered pairs (0, 13) and (24, 5) for her trend line. What would be the y-intercept of her trend line?
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Answer:

Step-by-step explanation:

Remark

You have 2 points to solve the equation y = mx + b. After finding m, use either of the points to find b.

Formula

y = mx + b

m = (y2 - y1)/(x2 - x1)

Solution

  • y2 = 13
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  • x2 = 0
  • x1 = 24

m = (13 - 5)/(0 - 24)

m = 8 / - 24

m = - 1/3

y = mx + b

y = -1/3 x + b

Use (0,13)  as the point.

13 = -1/3 * 0 + b

13 = b

The y intercept = (0,13)

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2 years ago
12c + 12 (3/4c) + 12 (1/2c) shows the total cost for buying 3 phones that each cost c dollars per month for 12 months.
alisha [4.7K]

Answer:

c(12 + 9 + 6)

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Step-by-step explanation:

12c + 12 (3/4c) + 12 (1/2c)

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12(c + 3/4c + 1/2c)

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Or

12c + 12 (3/4c) + 12 (1/2c)

12c + 9c + 6c

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2 years ago
1,290=h/10+h/5 What is h?​
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Answer:

4300

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= 1290

3h/10 = 1290

3h = 12,900

h = 4300

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The area of the given polygon is  1830 cm².

<h3>What is a polygon?</h3>

A polygon is a closed more than two-sided and can be made up of a finite number of straight line segments and is a type of planar figure in geometry.

Each line of the polygonal circuit's segments is referred to as its edges or sides.

We know the area of a square is (side)² and the area of a rectangle is (length×width).

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