3 years ago

Solve the following system by graphing and identify the point of intersection 5x+3y=-15 , 2x-y=-6

Mathematics

1 answer:

d1i1m1o1n [39]3 years ago

8 0

matway hel you 1+1+212FE

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At the beginning of the day the stock market goes up 30 1/2 points. At the end of the day, the stock market goes down 100 3/4 po

Akimi4 [234]

Well, is namely their difference, so, let's first convert the mixed fractions to "improper", and subtract.

$\bf \stackrel{mixed}{30\frac{1}{2}}\implies \cfrac{30\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{61}{2}}
\\\\\\
\stackrel{mixed}{100\frac{3}{4}}\implies \cfrac{100\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{403}{4}}\\\\
-------------------------------\\\\
\cfrac{61}{2}-\cfrac{403}{4}\impliedby \textit{so our \underline{LCD is 4}}\implies \cfrac{(2\cdot 61)~-~(1\cdot 403)}{4}
\\\\\\
\cfrac{122-403}{4}\implies \cfrac{-281}{4}\implies -70\frac{1}{4}$

5 0

3 years ago

What are the factors of 100 36 60 45 And 96 at least answer two

Mademuasel [1]

100: 1,2,5,10,20,50,100

36: 1,2,3,4,6,6,9,12,18,36

60: 1,2,3,4,5,6,10,12,15,20,30,60

45: 1,3,5,9,15,45

96: 1,2,3,4,6,8,12,16,24,32,48,96

hope it helps!

4 0

3 years ago