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Tamiku [17]
2 years ago
15

Write an expression for the sequence of operations described below.

Mathematics
1 answer:
raketka [301]2 years ago
8 0

Answer:

(d-10)-9

Step-by-step explanation:

I'm not sure if that's right but I hope it helps!

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If 40% of x + 20% of x + 1/10 = 75% of x, then find the value of x. Please give answers with steps
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Step-by-step explanation:

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3 years ago
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18n squared + 57n -10
aniked [119]
Most people use the decomposition method but i dont know how to do that so i use the Joes method a method similar to decomp. but easier.
canadian way

Find gcf: None
complet trinomial: 18n^2+57-10
find the product=10(18)
                       =-180
find the sum     =57
-3 and 60 goes into both meaning if you multiply 3 and60 you get -180 and if you add them you get 57.

so (n-3)(n+60)
divide by a in this case it 18
so (n<u>-3</u>)(n+<u>60</u>)
       18     18
do not divide. treat it like a fraction so you reduce it to lowest terms
(n<u>-3</u>)(n<u>-3)
</u>   18   10
<u /> at this point its reduced to lowest terms so now you take the deniminator and move it beside the "n"

=(18n-3)(10n-3)

therefore your answer is (18n-3)(10n-3)
I hoped this helped :)
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Step-by-step explanation:

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