Mathematics
16 Online
OpenStudy (emoniplaysstudy):
http://prntscr.com/dmqt8d can u help with these someone pls
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OpenStudy (emoniplaysstudy):
gluttrell could u help with the rest of my other questions theres 12 left 12 or 13
OpenStudy (gluttrell):
The first one is C.
OpenStudy (gluttrell):
the second one is B. 22.111119 Which is 22 1/9
OpenStudy (gluttrell):
did this help
OpenStudy (raffle_snaffle):
Since the first one has the same denominator you can add. You should learn to add fractions and leave them as a whole number rather than a decimal.
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OpenStudy (emoniplaysstudy):
yes i have some other questions can u help me with them
OpenStudy (raffle_snaffle):
For the second one I would suggest multiplying the 11 by 7 and the 10 by 1.
OpenStudy (gluttrell):
yes but im not going to give you the answers ill show you how to solve them.
OpenStudy (emoniplaysstudy):
yes thats what i need ty
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OpenStudy (emoniplaysstudy):
i dont understand number 8
OpenStudy (raffle_snaffle):
Find a common denominator.
OpenStudy (emoniplaysstudy):
and the others because it says find the difference for number 8 to 10
OpenStudy (gluttrell):
have you ever heard of the phrase pemdas
OpenStudy (emoniplaysstudy):
no
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OpenStudy (emoniplaysstudy):
wait yea
OpenStudy (emoniplaysstudy):
i remember now its dear my aunt sally something
OpenStudy (gluttrell):
"Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".
OpenStudy (gluttrell):
it is please excuse my dear aunt sally.
OpenStudy (emoniplaysstudy):
ok
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OpenStudy (gluttrell):
well for the first problem start by using pemdas what is the fisrt step if you are using pemdas
OpenStudy (emoniplaysstudy):
paratheses
OpenStudy (gluttrell):
yes so we need to solve what is inside the parentheses.
OpenStudy (emoniplaysstudy):
whats inside?
OpenStudy (gluttrell):
- 2/7
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OpenStudy (emoniplaysstudy):
oh ok then i'm guessing we use exponents or multiplication i think multi
OpenStudy (raffle_snaffle):
What is 7*4 = ? and what is 4*7 = ?
OpenStudy (gluttrell):
no you solve the () and it comes out as - 2/7
OpenStudy (gluttrell):
now the problem reads - 1/4 + - 2/7 now we solve
OpenStudy (emoniplaysstudy):
7 x 4 is 28 and 4 x 7 is 28
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OpenStudy (gluttrell):
the answer is A.
OpenStudy (raffle_snaffle):
So your common denominator is 28. Now where you multiply 4*7, multiply a 7 on top and where you multiplied a 7*4, multiply a 4 on top.
OpenStudy (raffle_snaffle):
Gluttrell don't give the answer away.
OpenStudy (raffle_snaffle):
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