Mathematics
11 Online
OpenStudy (anonymous):
Can someone please help me?
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OpenStudy (anonymous):
#2 a and b?
OpenStudy (anonymous):
a. 1/4
OpenStudy (anonymous):
How did you get 1/4?
OpenStudy (luigi0210):
Common ratio is .25
OpenStudy (luigi0210):
All the numbers in the sequence are divided by 4
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OpenStudy (anonymous):
ok and do you guys know B?
OpenStudy (anonymous):
5/16, 5/64, 5/256
OpenStudy (anonymous):
And why are those the next 3 numbers?
OpenStudy (luigi0210):
The next 3 numbers, would be 5/16, 5/64, 5/256
OpenStudy (anonymous):
What did you do to get those next 3 number?
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OpenStudy (anonymous):
try explaining why it is, instead of giving her the answer.
OpenStudy (anonymous):
@omoshiroi why is the next 3 numbers that?
OpenStudy (anonymous):
you have to use the common ratio on the next 3 set of numbers.
What is the common ratio?
OpenStudy (anonymous):
.25
OpenStudy (anonymous):
correct but use the fraction 1/4. it is easier to work with fraction than decimals.
multiply the common ratio by the last number in the sequence
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OpenStudy (anonymous):
ok so i would do 5/4 times 1/4 to get one number and then do it 3 times?
OpenStudy (anonymous):
yes , So it would be 5/4 X 1/4 = 5/16
OpenStudy (anonymous):
then multiply 5/16 by the common ratio, and repeat.
OpenStudy (anonymous):
ok thanks!
OpenStudy (anonymous):
remember to only multiply the LAST number by the common ratio to get the next number
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OpenStudy (anonymous):
ok