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Andre45 [30]
3 years ago
10

Solve the equation given in Exercise 15 with and without using the LCD of the fractions. Are your answers the same?

Mathematics
1 answer:
Colt1911 [192]3 years ago
3 0
Without LCD :
1/2(4x + 6) = 1/3(9x - 24)
2x + 3 = 3x - 8
2x - 3x = -8 - 3
-x = - 11
x = 11

with LCD :
1/2(4x + 6) = 1/3(9x - 24) ...multiply by 6
3(4x + 6) = 2(9x - 24)
12x + 18 = 18x - 48
12x - 18x = -48 - 18
-6x = - 66
x = -66/-6
x = 11

Yes, the answers are the same :)

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Answer:

The very last one is a function

Step-by-step explanation:

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To make things easier, just try to imagine vertical drawing lines through each point in every graph, if this imaginary vertical line passes more than one point in any graph, then that graph is not a function.

I hope this helps!! :D

7 0
2 years ago
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Murrr4er [49]

Answer:

1/4

Step-by-step explanation:

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Natasha_Volkova [10]
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8 0
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At a concession stand, a pickle and two bags of chips costs a total of $3.25. Three pickles and four bags of chips costs a total
kolbaska11 [484]

Answer:

A bag of chips costs $1

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p + 2(1) = 3.25                           Substitute

p + 2 = 3.25

p = 1.25

4 0
3 years ago
Can someone please be nice enough and give me all the answer for these questions.
PSYCHO15rus [73]
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2.2/9 same thing as above
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4.3/9
5.5/6 since you don't count 6
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7.5/13
8.1/2 because 1,3,5 odd 2,4,6 even 
Hope that helps
8 0
3 years ago
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