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horsena [70]
3 years ago
14

The probability of choosing a blue marble is 25%. you do experiment and draw a marble 200 times (and replacing the marble drawn

each time). how many times would you expect to get a blue marble?​
Mathematics
1 answer:
rjkz [21]3 years ago
7 0
50 since 200/4 is 50
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marys age is 2 upon 3 that of peters age. two years ago marys age was 1 upon 2 of whats peters age will be in 5years time. how o
Nitella [24]

Answer:

the Peter age be 27

Step-by-step explanation:

Let assume peter be

And, then mary is 2p ÷ 3

So

The equation would be  

2p ÷ 3  - 2 = 1 ÷ 2 (p + 5)

4p - 12 = 3p + 15

p = 27

So Peter age be 27

And, the mary age is

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= 18

Hence, the Peter age be 27

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3 years ago
I need help with 2 of these math question
fgiga [73]

Answer:

10

Step-by-step explanation:

20/2=10

10+10=20

17

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3 years ago
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A triangle has two sides of length 19 and 15. What is the largest possible whole-number length for the third side?
tensa zangetsu [6.8K]

Answer: 33

To maximize the length of the third side, which I'll call x, it needs to be the longest side.

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8 0
2 years ago
I need helpppp plssss anyone I’m not the best at math :/
Ulleksa [173]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
DUE NOW PLEASE HELP ME
NISA [10]

Answer:

Step-by-step explanation: 16.990107955403875

•Rectangular prism - Multiply the measurement of the length times the width, then times the height  

•Cube - Since all sides are the same measurement, it would be the measurement of any side, or edge, cubed, or a³  

•Prism - Find the area of the base, then multiply the area times the height of the prism. Area would be length times width (B), or B x h  

•Triangular prism - Find the area of the base (b), then multiply the area times the length (l) between the triangular bases. Area of the base would be ½ times the base times the height (h) of the triangle, or ½bhl  

•Cylinder - Find the area of the circular face using pi times the radius squared, then multiply that area times the height of the cylinder, so πr²h  

•Pyramid - Find the area of the base and multiply that area times the height of the pyramid and multiply by 1/3, or 1/3Bh  

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•Rectangular pyramid - Find the area of the base and multiply that area times the height of the pyramid and multiply by 1/3, or 1/3 lwh  

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3 years ago
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