A bag contains only red and blue marbles.
Yasmine takes one marble at random from the bag.
1<...
Mathematics, 16.01.2021 01:20 RKennedy3654
A bag contains only red and blue marbles.
Yasmine takes one marble at random from the bag.
1
The probability that she takes a red marble is 5.
Yasmine returns the marble to the bag and adds five more red marbles to the bag.
1
The probability that she takes one red marble at random is now 3.
How many marbles of each colour were originally in the bag?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 16:00
One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7
Answers: 2
Mathematics, 21.06.2019 20:50
Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?
Answers: 2
Mathematics, 21.06.2019 21:30
X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /
Answers: 3
Mathematics, 21.06.2019 23:30
Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)
Answers: 1
You know the right answer?
Questions
Mathematics, 14.01.2021 18:00
Mathematics, 14.01.2021 18:00
Mathematics, 14.01.2021 18:00
Mathematics, 14.01.2021 18:00
Chemistry, 14.01.2021 18:00
Mathematics, 14.01.2021 18:00
History, 14.01.2021 18:00
History, 14.01.2021 18:00
Mathematics, 14.01.2021 18:00
Mathematics, 14.01.2021 18:00
