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3 years ago

Solving Multi-step Equations - Integers 4x+7-6x=5-4x+4

1 answer:

4 0

$4x+7-6x=5-4x+4\ \ \ \ | combine\ like\ terms\\\\
-2x+7=-4x+9\ \ \ \ | add\ 4x\\\\
2x+7=9\ \ \ \ | subtract\ 7\\\\
2x=2\ \ \ | divide\ by\ 2\\\\
x=1$

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3 years ago

Which set of ordered pairs could represent a function? (2, 3), (2, 2), (2, 4), (2, 9), (2, –2) (1, 5), (2, 6), (1, 6), (4, 5), (

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Given:

The set of ordered pairs in the options:

(a) (2, 3), (2, 2), (2, 4), (2, 9), (2, –2)

(b) (1, 5), (2, 6), (1, 6), (4, 5), (1, 4)

(d) (5, 1), (7, 3), (9, 5), (11, 7), (13, 9)

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The set of ordered pairs that could represent a function.

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In option (a) we have, five output values y=3,2,4,9,-2 for single input x=2. So, it is not a function.

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$1\frac{1}{6}$

Step-by-step explanation:

so first find the common denominator which is 162

so on 4/9 multiply 18 to denominater and numerator which makes it 72/162

next multiply 9 to numerator and denominator in 13/18 which makes it 117/162

so now add:

$\frac{72}{162} +\frac{117}{162} = \frac{189}{162}$

so now simplification.

189/162 can be reduced by 3

63/54 is our new answer. now we can reduce it by 9

7/6 is our new answer. now we must change it to a mixed number which is $1\frac{1}{6}$

hope this helped!

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3 years ago