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Chemistry 17 Online
Mathplayer223:

gen chem 1

Mathplayer223:

snowflake0531:

do you remember what I wrote earlier? the slope formula?

Mathplayer223:

so its |dw:1630183171833:dw|

snowflake0531:

yes, good job, now simplify that fraction xd

Mathplayer223:

-5/2

snowflake0531:

yes, but that's an improper fraction, make it a mixed numeral

Mathplayer223:

improper fractions can become a mixed numeral?

snowflake0531:

-5/2 = -2 1/2 ??? also by the way, how is this chemistry-? slope is prealgebra

Mathplayer223:

its in my gen chem 1 class

Mathplayer223:

so the answer is

snowflake0531:

yes

Mathplayer223:

i have one more

snowflake0531:

post it

Mathplayer223:

snowflake0531:

mmm, use the same formula

Mathplayer223:

-4-5/8-2?

snowflake0531:

yes, simplify it

Mathplayer223:

-3/2

snowflake0531:

yep, but make it a mixed numeral by the way, read this https://www.cuemath.com/questions/how-to-change-an-improper-fraction-into-a-mixed-number/#:~:text=Answer%3A%20To%20convert%20an%20improper,4%20into%20a%20mixed%20fraction . if you don't know how to change it

Mathplayer223:

where the heck did they get 3 and 4

Mathplayer223:

where the heck did they get 3

snowflake0531:

okay, let's first learn how to change a mixed number to an improper fraction, it's easier \[5 \frac{3}{4} = \frac{5 \times 4 +3}{4}\] do you see how i got the numbers? and how the denominator stays the same?

Mathplayer223:

no i dont understand where three comes from

snowflake0531:

the numerator of the fraction 3/4

Mathplayer223:

howd you get 3 from 24/4

snowflake0531:

*23/4

snowflake0531:

\[\frac{23}{4}\] find the quotient of 23/4 it's 5 right? but the remainder is 3 the remainder is the numerator of the mixed numeral

Mathplayer223:

how is the remainder 3

snowflake0531:

... have you ever divided numbers that result in remainders...? if you divide 23/4... the quotient is 5 but with a remainder of 3, because 5 times 4 is 20, which is 3 less than the 23...?

Mathplayer223:

-3/2 2 times 1 is 2 with a remainder of 1

Mathplayer223:

1 1/2

snowflake0531:

yesssss, good job but remember the negative sign in the beginning

Mathplayer223:

snowflake0531:

yes

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