3 years ago

I need on help on this!

Mathematics

1 answer:

ElenaW [278]3 years ago

7 0

The probability that the marble taken out is yellow is 1/4

Step-by-step explanation:

Total marbles = 12

Yellow marbles = 3

Probability that the marble taken out is yellow= No of yellow marbles/total marbles.

Probability that the marble taken out is yellow= 3/12

Probability that the marble taken out is yellow= 1/4

So, the Probability that the marble taken out is yellow is 1/4

Keywords: Probability

Learn more about Probability at:

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Matthew is 7 years older then twice the age of his sister. If Matthew is 13, how old is his sister? (NOT SUBTRACTION,ITS MUCH MO

Nadusha1986 [10]

S = sisters ages

M =2S +7

M=13

13 = 2S+7

subtract 7 from each side

6 = 2S

divide by 2

3=S

sisters age is 3

4 0

3 years ago

I NEED HELP ASAP<br> QUESTION BELOW

Gekata [30.6K]

Answer:

Circumference ≈ 50.27

Area ≈ 201.06

Step-by-step explanation:

The circumference of a circle is $2\pi r$ while the area of the circle $\pi r^{2}$

Since the diameter is the radius multiplied by 2, the radius of the circle is 8. So substituting 8 for r, the circumference is 2 × $\pi$ × 8, which is approximately 50.27 (rounded to the nearest hundredth) and the area of the circle would be $\pi$ × 8². 8² is 64 so 64 times pi is approximately 201.06 (rounded to the nearest hundredth)