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bixtya [17]
3 years ago
7

(2-6i)+(4+3i) standard form

Mathematics
1 answer:
Mazyrski [523]3 years ago
5 0
6-3i. You add common factors. 2+4 is 6 and -6i and 3i is negative 3i
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Solve for x. −1/2x+1/3>3/5
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Based on the graph, how many students in a class of 180 students would have green as their eye color
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2 years ago
Washing his dad's car alone, eight-year-old Levi takes 2.5 hours. If his dad helps him, then it takes 1 hour. How long does it t
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Answer:

Levi's dad takes 1.67 hours to wash the car by himself

Step-by-step explanation:

* Lets explain how to solve the problem

- Levi takes 2.5 hours to wash his dad's car alone

- Levi and his dad take 1 hour to wash the dad's car together

∵ Levi takes 2.5 hours to wash the car alone

∴ The rate of Levi is 1/2.5 car/hr

∵ His dad takes x hours to wash the car alone

∴ The rate of his dad is 1/x car/hr

∵ They working together for 1 hour to wash the car

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∵ t is the time of working together

∵ t = 1 hour

∴ \frac{1}{2.5}(1)+\frac{1}{x}(1)=1========\frac{1}{2.5}+\frac{1}{x}=1

- Multiply both sides by 2.5x to cancel the denominators

∵ \frac{1}{2.5}(2.5x)=x=====\frac{1}{x}(2.5x)=2.5

∵ 1 × (2.5x) = 2.5x

∴ x + 2.5 = 2.5x

- Subtract x from both sides

∴ 2.5 = 1.5x

- Divide both sides by 1.5

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∵ x is the the time of his dad to wash the car alone

∴ Levi's dad takes 1.67 hours to wash the car by himself

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Step-by-step explanation:

it shows every 4 hours, so:

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TEN POINTS
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Answer:

hi I need actually a lot of help with Matt since I'm not the best?

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2 years ago
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