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Savatey [412]
2 years ago
12

Which ordered pair is a solution of the equation 2x-3y=19

Mathematics
2 answers:
goldenfox [79]2 years ago
7 0
D because 5 times 2 is 10 and - cuts off - so -3 times -3 would be 9 so 10+9 is 19 :)
Dafna1 [17]2 years ago
5 0
The answer is D. 2x5 is 10 and -3x-3 is 9. 10+9=19
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Joel biked 9 miles east and then 12 miles north. If he
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Answer:

36 miles

Step-by-step explanation:

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Therefore, adding the three sides together:

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Find the rectangular coordinates of the point (squareroot3, pi/6)
svet-max [94.6K]

Answer:

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Step-by-step explanation:

* Lets study how to change from polar form to rectangular coordinates

- To convert from polar form (r , Ф) to rectangular coordinates (x , y)

 use these rules

# x = r cos Ф

# y = r sin Ф

* Now lets solve the problem

∵ The point in the rectangular coordinates is (√3 , π/6)

∴ r = √3 and Ф = π/6

- Lets find the x-coordinates

∵ x = r cos Ф

∵ r = √3

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* The x-coordinate of the point is 3/2

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∵ y = r sin Ф

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∴ y = √3 sin π/6

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* The y-coordinate of the point is √3/2

∴ The rectangular coordinates of the point are (3/2 , √3/2)

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