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Mars2501 [29]
3 years ago
6

Alexa has bag of 24 marbles. Ten are red, 8 are blue, and 6 are yellow. What is the probability of choosing two red marbles?

Mathematics
1 answer:
emmainna [20.7K]3 years ago
6 0
Its about a 42 percent chance that both marbles will be red.
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Leorys favorite basketball player is 6 feet 8 inches tall how tall i leorys favorite basketball player in inches
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Explanation:
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6 feet  + 8 inches = ?

Note: 12 inches = 1 ft.

6 ft * (12 inches/ ft) = 72 inches; 
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72 inches + 8 inches = 80 inches.
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If there are 19 red marbles for every black marble in a bag of 120 marbles, how many red marbles are in the bag?
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Matt has $900 in a checking account, has $15,000 in investments, owns an
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A crawling tractor sprinkler is located as pictured below, 100 feet South of a sidewalk. Once the water is turned on, the sprink
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Answer:

  a) see below

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  c) 52 minutes after turn-on

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  e) 6856.6 ft²

Step-by-step explanation:

a) We have elected to put the origin at the point where the hose crosses the south edge of the sidewalk. Units are feet. Then the sprinkler starts at (0, -100). After 1 hour, 3600 seconds, the sprinkler is 1800 inches, or 150 ft north of where it started, so stops at (0, 50).

The lines forming the sidewalk boundaries are y=0 and y=10.

__

b) Water will first strike the sidewalk when the sprinkler is 20 feet south of it, or 80 feet north of where it started. The sprinkler travels that distance in ...

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c) The sprinkler has to travel to a point 130 ft north of its starting position for the water to fall north of the sidewalk. That distance is traveled in ...

  (130 ft)(2/5 min/ft) = 52 min . . . time until end of sprinkling sidewalk

Note that we have combined the scale factors in the expression of part b into one scale factor of (2/5 min/ft).

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d) The difference of times in parts b and c is the time water falls on the sidewalk: 20 minutes.

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e) In one hour, the sprinkler travels a distance of ...

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The area of grass watered in 1 hour is about 6856.6 ft².

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