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wariber [46]
3 years ago
15

En una urna hay 200 esferas, el 25% son rojas, 1/4 son amarillas, la mitad de lo que queda son azules y el resto es verde. Calcu

lar • la probabilidad de que al azar se selecciones una esfera verde y una roja. • la probabilidad de que al azar se selecciones una esfera amarilla y una azul. • la probabilidad de que al azar se selecciones una esfera blanca y una roja. • El porcentaje de seleccionar una esfera roja o una esfera amarilla.
Mathematics
1 answer:
masha68 [24]3 years ago
6 0

Answer:

I no speak spanish

Step-by-step explanation:

You might be interested in
What is always true about a linear pair?
kicyunya [14]

Answer:

Two angles are said to be linear if they are adjacent angles formed by two intersecting lines.

Step-by-step explanation:

3 0
3 years ago
What is the standard deviation of the following data set rounded to the nearest tenth? 56 ,78 ,123 , 34, 67, 91, 20
quester [9]

Answer:

The standard deviation of the following data set is 32.2

Step-by-step explanation:

step 1

Find the mean

we have

[56,78,123,34,67,9,20]

Sum the data and divided by the number of elements

[56+78+123+34+67+91+20]/7=469/7=67

step 2

For each number: subtract the Mean and square the result

[(56-67)^{2},(78-67)^{2},(123-67)^{2},(34-67)^{2},(67-67)^{2},(91-67)^{2},(20-67)^{2}]

[121,121,3,136,1,089,0,576,2,209]

step 3

Work out the mean of those squared differences

[121+121+3,136+1,089+0+576+2,209]/7=1,036

This value is called the "Variance"    

step 4

Take the square root of the variance

standard\ deviation=\sqrt{1,036}=32.2

6 0
3 years ago
Could somebody solve this for me step-by-step? Please!
VikaD [51]

Answer: the answer to (g+h)x4 is

4g+4h

Step-by-step explanation:

(g+h)x4

multiply the parentheses by 4

and that will give you 4g+4h

sorry if it was wrong

8 0
3 years ago
A pizza delivery driver receives a bonus if she delivers a pizza to a customer in 30 minutes, plus or minus seven minutes. Write
Snezhnost [94]

Answer:

Please, see the attached file.

Step-by-step explanation:

Please, see the attached graph.

Thanks.

4 0
3 years ago
Use the expression below to complete the following tasks. (3a2 - 5ab + b2) - (-3a2 + 2b2 + 8ab) What is the additive inverse of
Basile [38]
Remember that the additive inverse are two equal numbers (or expressions) but with different signs.
 We have then, that according with the coment below:
 (3a2 - 5ab + b2) - (-3a2 + 2b2 + 8ab)
 the additive inverse is:
 (3a2 - 2b2 - 8ab) Note that is the same expression that
 (-3a2 + 2b2 + 8ab)
 but with different signs.
 Answer:
 the additive inverse of the polynomial being subtracted is 
 (3a2 - 2b2 - 8ab)
6 0
3 years ago
Read 2 more answers
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