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Zepler [3.9K]
2 years ago
8

Find the least common denominator (LCD) of

Mathematics
2 answers:
Yanka [14]2 years ago
8 0

\large\underline{\sf{Solution-}}

\sf \: \frac{1}{6} and \frac{4}{9}  \\

\sf =  \frac{1}{6}  +  \frac{4}{9}  \\

\textsf{Take the LCM of 6 and 9 is 18 }\\

\sf \:  =  \frac{3 + 16}{18}  \\

=  \sf  \frac{19}{ 18}  \\

iVinArrow [24]2 years ago
5 0

Answer:

LCD(1/6, 4/9) = 18

In fraction form:

1/18

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Answer:

Step-by-step explanation:

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we can find angle C  b/c the angles of a triangle always add to 180 , soo

180= C + 81 +63.5

35.5 = C

now that we have angle C and we know the Hyp we can use sin to find side g

where g = Opp and Hpy = 13.8 for this question

Sin(35.5) = Opp / 13.8

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next they ask for the area of the biggest triangle  ABC ( there are two smaller ones when you use D )

we can use 1/2 * base * height , but we don't know the base yet, even thou we do know the height.  

we can solve for line segment CD and DB and then add them for the side a .. or the base of the biggest triangle sooo.. CD = adj

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13.8*Cos(35.5) = Adj

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3.971160

add these two Adjs together to get the total  'a' side

15.205954

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Area = 1/2 * 15.205954 * 8.0137

Area = 60.9159

rounded to 2 sig figs

Area = 60.92   :)   hope you get an "A"    :P

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