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Lemur [1.5K]
3 years ago
5

a bag contains 3 blue and 5 red marbles find the probability of drawing 2 blue marbles in a row without replacing the first marb

le write as a fraction
Mathematics
1 answer:
LenaWriter [7]3 years ago
5 0

Answer:

Step-by-step explanation:

3 Blue + 5 Red Marbles = 8 Marbles

Now 2 Blue Marbles in a row would be:

6/3

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The circumference of Tyler's bike tire is 72 inches. What is the diameter of the tire?​
pantera1 [17]

Answer:

The diameter is 22.92 inches

Step-by-step explanation:

Hello, I can help you with this question

in this case we know the circumference of a circle, and we need to find out the diameter.

let's remember

the radius of a circle can be defined as

radius=\frac{diameter}{2}\\ or\\diameter=2* radius( equation\ 1)\\

also

circumference=2*\pi  *radius(equation2)\\

Step1

replace the value of the circumference of tyler's bike in equation 2  and isolate radius to find radius

72 inches=2*\pi  *radius\\\\radius=\frac{72}{2*\pi  } \radius =11.46\ inches

Step 2

now, replace the value of radius into equation 1 to find diameter

radius=11.46 in

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so, the diameter is 22.92 inches

I really hope it helps, have a great day.

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