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How do you separate red and blue marbles of same size and mass?
Chromatography
What are the least numbers of packs of yellow marbles and blue marbles a person would have to buy t ohave the same number of each color of marble?
That would depend on how many yellow and blue marbles are in a pack. If yellow and blue marbles are sold separately and there are the same number of marbles in a pack, buy one of each. That's probably not the case.
How can 4 red marbles make up one third of marbles and 3 blue marbles make up one fourth of the same group?
In order for 4 red marbles to be one-third of a group and 3 blue marbles to make up one-fourth of the same group the number has to equal 12.
A can with 40 marbles in it weighed 135 grams The same can with 20 marbles weighed 75 greams What is the mass of the can?
7.5 grams
In a bag there are 3 red marbles and B blue marbles. Two marbles are randomly selected from the bag without replacement. The probability that the two marbles are the same color is 0.5. What is the sum?
7
What separation technique can be used to separate a red and blue marbles of same size and mass?
A technique called chromatography or a technique called filtration could be used to separate the red and blue marbles. chromatography would depend on the differences in solubility between the red and blue marbles, while filtration would depend on differences in size or density between the marbles.
How do you separate red and blue marbles of same size and mass?
Chromatography
What are the least numbers of packs of yellow marbles and blue marbles a person to have the same number of each color of marbles if the yellow marbles have 2 packs and the blue marbles have 3 packs?
6
What are the least numbers of packs of yellow marbles and blue marbles a person would have to buy t ohave the same number of each color of marble?
That would depend on how many yellow and blue marbles are in a pack. If yellow and blue marbles are sold separately and there are the same number of marbles in a pack, buy one of each. That's probably not the case.
How can 4 red marbles make up one third of marbles and 3 blue marbles make up one fourth of the same group?
In order for 4 red marbles to be one-third of a group and 3 blue marbles to make up one-fourth of the same group the number has to equal 12.
A can with 40 marbles in it weighed 135 grams The same can with 20 marbles weighed 75 greams What is the mass of the can?
7.5 grams
Explain how four red marbles can make up 13 of a group of marbles and three blue marbles make up 14 of the same group?
If four red marbles make up a total of 13 marbles, each red marble is worth 13/4 = 3.25 marbles. Similarly, if three blue marbles make up 14 marbles, each blue marble is worth 14/3 = 4.67 marbles. This situation indicates a problem or inconsistency in the given information as it's not possible for the same marble to have different values based on color.
In a bag there are 3 red marbles and B blue marbles. Two marbles are randomly selected from the bag without replacement. The probability that the two marbles are the same color is 0.5. What is the sum?
7
Explain how four red marbles can make up one third of a group of marbles and three blue marbles make one fourth of the same group?
minus one red marble plus one blue marble
If you had ten marbles 3 blue and 7 red and you picked out three marbles at the same time what would be the odds of picking 2 blue marbles?
1 in 5.45 of picking at least 2 blue marbles any 2 from 3 is 3 correct picks =3X7(red)=21 of 2 blue only 1 pick of 3 blue only any 3 from 10=120 120/22=5.45
How does the density of one marble compare with the density of six of the marbles?
The density of one marble is the same as the density of six marbles when compared in terms of mass per unit volume. Since the density remains constant regardless of the number of marbles, the ratio of their densities is 1:6.
If the density of one marble is 2.5 gcm3 what is the density of four marbles?
If the density of one marble is 2.5 g/cm³, then the density of four marbles would be the same, as density is an intrinsic property of the material. So, the density of four marbles would also be 2.5 g/cm³.
