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aksik [14]
3 years ago
15

Solve |6k + 12| + 9 = 9 for k.

Mathematics
2 answers:
slavikrds [6]3 years ago
6 0

Step-by-step explanation:

6k + 12 + 9=9

6k + 12 = 9 - 9

6k + 12 = 0

12 = -6k

12/-6 = -6k/-6

2/-1 = k

k = -2

kykrilka [37]3 years ago
4 0

Answer:

k=-2

Step-by-step explanation:

6k+12+9=9

subtract 9 from both sides

6k+12=0

subtract 12 from not sides

6k= -12

divide both sides by 6 (isolating the variable)

k= -12/6

simplify

k= -2

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Answer:

All are correct.

Step-by-step explanation:

Let x be the number of movies and y be the number of newly released video games.

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20x+50y\leq 400

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For (5,6),

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Point (5,6) satisfy both inequalities.

For (10,4),

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Point (10,4) satisfy both inequalities.

For (20,0),

20(20)+50(0)\leq 400\Rightarrow 400\leq 400

20+0\geq 9\Rightarrow 20\geq 9

Point (20,0) satisfy both inequalities.

For (15,2),

20(15)+50(2)\leq 400\Rightarrow 400\leq 400

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Therefore, all combination of movies and newly released video games Larry could purchase using his gift card.

4 0
3 years ago
1 with the fraction of 9/40 percentage
zhenek [66]
Divide 9/40 will give you 0.225
Multiply it by 100
= 0.225 x 100 = 22.5%
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3 years ago
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Answer:

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Step-by-step explanation:

3 0
3 years ago
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