The ratio of 6 inches to 3 feet expressed in simplest form is 1/6. True False
2 answers:
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Answer: The answer is 400 blue marbles.
Step-by-step explanation: Given that there are 560 marbles in a bag, out of which 65% are red and rest are blue.
So, number of red marbles is
and number of blue marbles is
Now, if 28 red marbles are replaced by blue marbles, the the new number of red and blue marbles will be
Now, to get 65% of the marbles blue, we need to add some more blue marbles to the bag. Let 'x' number of blue marbles are added to the bag, then
Thus, 400 blue marbles need to be added to the bag.
Given:
The multiples of 2 form a sequence as follows: 2, 4, 6, 8, 10, 12, 14, 16, ...
To find:
Description of the sequence you see. What about the multiples of three? Four? Five?
Solution:
The multiples of 2 form a sequence as follows:
2, 4, 6, 8, 10, 12, 14, 16, ...
It is defined as , where n is a natural number. It represents all positive even numbers.
Multiples of 3, 4 and 5 form the respective sequences:
, i.e., 3, 6, 9, 12, 15, 18, 21, 24,...
, i.e., 4, 8, 12, 16, 20, 24, 28, 32...
, i.e., 5, 10, 15, 20, 25, 30, 35, 40...