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vaieri [72.5K]
3 years ago
12

⦁ Solve for x: 3|x – 7| = 15 SHOW WORK

Mathematics
2 answers:
nasty-shy [4]3 years ago
5 0
Ez way to do it use distribution 3x-21=15 add 21 to 15 =36
3x=36 divided by 3 both side x=12 x=2
Anna007 [38]3 years ago
4 0

3|x-7| = 15\\\\\implies |x-7|  =\dfrac{15}3\\\\\implies |x -7| = 5\\\\\implies x -7 = 5 ~~ \text{or}~ x - 7 = -5\\\\\implies x = 12 ~~\text{or}~~ x = 2

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Brooke cooked a 4/1/3-pound lasagna in 1/1/3 hours. How many hours per pound did it take to cook the lasagna?
Hitman42 [59]

Answer:

4/13 hours

Step-by-step explanation:

Total pounds of lasagna = 4 1/3 pounds

Total time taken to cook = 1 1/3 hours

How many hours per pound did it take to cook the lasagna?

Hours per pound of lasagna = Total time taken to cook / Total pounds of lasagna

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= 4/3 × 3/13

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3 0
3 years ago
Need help thank you ...
DedPeter [7]
The correct answer is B
3 0
3 years ago
Write an expression that has a value of -8.
Dima020 [189]

Answer/Step-by-step explanation:

-4^{3}  ÷ 2  ÷ 4

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7 0
3 years ago
Read 2 more answers
1. Perform the indicated operations, simplify, and write the results in the form x+ iy: (i)(3 - 4i) + (- 5 + 7i)​
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Answer:

Step-by-step explanation:

-5 + 3 - 4i + 7i

-2 + 3i

6 0
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