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Pavel [41]
3 years ago
11

5 1/3 + (-3 9/18) Simplify. Show your work. PLEASE HELP! WILL GIVE BRAINLIEST

Mathematics
1 answer:
zvonat [6]3 years ago
4 0

Hey there!

5\frac{1}{3} + (-3 \frac{9}{18} ) \\ \\ 5\frac{1}{3}  = \frac{16}{3} \\ \\ \frac{16}{3}  - 3\frac{1}{2} \\ \\ 3\frac{1}{2}   = \frac{7}{2} \\ \\ \frac{16}{3}  - \frac{7}{2}  \\ \\ \frac{16}{3}  + \frac{-7}{2} \\ \\ \frac{11}{6}  = 1\frac{5}{6}  \\ \\ \\ Answer: \frac{11}{6} = 1\frac{5}{6}

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

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2. If AB = 4x + 9. BC = 5x + 2, and AC = 56, then find the value for . AB, BC.<br> A<br> B
inysia [295]

Answer:

AB=29; BC=27

Step-by-step explanation:

So they told us AB=4x+9 and that BC=5x+2, and AC=56 , now to help with the question you can draw this information on a number line. Now on a number you can see that basically AC=AB+BC.

So you would write it as such,,

4x+9+5x+2=56

Combine like terms

9x+11=56

Now you have to isolate the x by itself but first get rid of the 11.

9x+11-11=56-11

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9x=45

Here you can divide 9 by both sides to isolate x.

9x/9=45/9

{x=5}

Now to find the value for both substitue x in the equations for both

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4(5)+9 =AB

20+9 =AB

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You would do the same with BC

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5(5)+2= BC

25+2= BC

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If you want to check your answers you can just substitute x for 5 in the first equation we did where AC=AB+BC

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