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Taya2010 [7]
2 years ago
13

A bag contains 5 blue marbles, 2 black marbles, and 3 red marbles. A marble is randomly drawn from the bag.

Mathematics
2 answers:
svetoff [14.1K]2 years ago
7 0

Answer:

The probability of not drawing a black marble is 8/10 and the probability of drawing a red marble is 3/10.

Step-by-step explanation:

There are 10 marbles altogether, and 8 of them are not black marbles, and only 3 of them are red.

Delvig [45]2 years ago
4 0
Since you are not allowed to draw a black marble, then you have only 7 ways to draw either a blue or a red marble. The sum of all marbles is 10. So the probability of not drawing a black marble is 7/10 and the probability of drawing a red marble is 2/10 or 1/5.
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valentina_108 [34]

Distance hour hand travel in 5 hours is 20.94 inches.

<h3>What is a diameter?</h3>
  • A diameter of a circle is any straight line segment that passes through the center of the circle and has endpoints on the circle in geometry.
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  • Both definitions apply to the diameter of a sphere.

To find the distance hour hand travel in 5 hours:

  • Let's say the hour hand completed one full round around the clock.
  • If this was the case, it would have been 2\pi×8 inches around.
  • We know that the hour hand only traveled 5 hours around the clock rather than 12, thus our formula is 2\pi×8×( 5/12 ).
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Therefore, the distance hour hand travel in 5 hours is 20.94 inches.

Know more diameter here:

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2 years ago
Using the equation y=kx and the table below, find the constant of proportionality (k).
elena-s [515]

Answer:

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Step-by-step explanation:

To find k, use the equation

y = kx

Pick a point

72 = k *32

Divide each side by 32

72/32 = k

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Step-by-step explanation:

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riadik2000 [5.3K]

Answer:

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kvv77 [185]
B = g + 12
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Replace the b in the second equation with
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Subtract 12 from both sides
2g = 112
Divide by 2
g = 56

b= 56 + 12
b= 68
4 0
2 years ago
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