Carlos built 3 wooden toys.each toy had a mass of 5/6 kilograms. What was the total mass of the toys that he built?
1 answer:
Answer:
2.5 kg.
Step-by-step explanation:
Carlos built 3 wooden toys.
Each of the wooden toys had a mass of kilograms.
Now, we are asked to determine the total mass of the toys that Carlos built.
Therefore, the total mass of the three toys that Carlos made will be
() kg
= kg
= kg
= kg
= 2.5 kg. (Answer)
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corrected question:A jar contains two blue and five green marbles. A marble is drawn at random and then replaced. A second marble drawn at random. For each of the following, find the probability that: a) both marbles are blue b) both marbles are the same color c)the marbles are different in color
Answer:
Step-by-step explanation:
<u><em>The probability was done with replacement.</em></u>
Probaility of an event happening
number of blue marbles= 2
number of green marbles=5
total number of marbles=7
(a) probability that both marbles are blue = pr(first is blue)*pr(second is blue)
(b)probability that both marbles are the same color =pr(first is blue)*pr(second is blue) + Pr(first is green)*Pr(second is green)
(c)Probability that the marbles are different in colors=pr(first is blue)*pr(second is green) + Pr(first is green)*Pr(second is blue)