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arsen [322]
3 years ago
12

Melissa collects data on her college graduating class. She finds out that of her classmates, 60% have brown hair, 20% have blue

eyes, and 5% have brown hair and blue eyes. What is the probability that one of Melissa's classmates will have brown hair or blue eyes?
Mathematics
1 answer:
Viefleur [7K]3 years ago
7 0

Answer:

your answer is 0.75

Step-by-step explanation:

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You are playing a game where you draw a card from a standard deck, and you will win $13 if you draw a face card,
marissa [1.9K]

Answer:

Step-by-step explanation:

win

There are 3 face cards / suit. Every suit contains a Jack, Queen, and king.

There are 4 suits so the number of face cards is 3*4 =  12

There is 1 ace / suit

There are 4 suits so the number of aces is 1 * 4 = 4

The gain from the face cards = 12 * 13 = 156

The gain from the aces = 4 * 3 =               12

Total gain = 168

Losses

Any other card costs you $5

How many cards is that? 52 - 16 = 36

Each one costs 5 dollars

Total loss = 5 * 36 = 180

So each time you play the game, you can expect to lose 180 - 68 = 12 dollars. You should walk away quickly from this one.

8 0
3 years ago
Riya is applying mulch to her garden. She applies it at a rate of 250,000 cm^3 for every m^2 of garden space
Fudgin [204]
Rate is the change in one variable in relation to another variable. Generally, rate is calculated as follows:

R = ΔV1/ΔV2

Where
R = Rate
ΔV1 = Change in variable 1
ΔV2 = Change in variable 2

In the current scenario,
ΔV1 = 250,000 m^3 of mulch applied
ΔV2 = 1 m^2 of garden space

Therefore,
Rate of applying much is, R = 250,000/1 = 250,000 m^3/m^2
8 0
3 years ago
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How many times does 44 go into 141
mote1985 [20]
3 times should be it
5 0
3 years ago
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The scale on a map is 2 inches equals 50 miles. You measure 4 3/4 inches on the map. How many miles is that in real life? Enter
olchik [2.2K]
118.75 miles.
4.75 inches times 50 miles divided by 2 inches.
8 0
3 years ago
The ordered pair below is a solution to which equation?. . (3, 15). . A. y = 5x. B. y = 3x. C. y = 1/5x. D. y = 1/3x
Lelechka [254]
The solution to the ordered pair (3,15) is the equation y = 5x, which is letter A. This is found by substituting the value of the x into the equation and solving for y. The equation y = 5x satisfies the ordered pair (3,15) because if you substitute x with 3, the equation becomes y = 5(3) which is 15.
3 0
3 years ago
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