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Vinil7 [7]
3 years ago
5

The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?

Mathematics
1 answer:
Bumek [7]3 years ago
3 0

Answer:

J

Step-by-step explanation:

y \alpha x \\  \frac{y}{x}  = k \\  \frac{21}{3}  =  \frac{105}{x}  \\ x = 15

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3 years ago
HOW DO YOU FIND ANGLE 1
Minchanka [31]

Answer:

If we add up all the angles of any triangle, we should get 180 degrees. Therefore, Angle C = 90 (angle A) - 45 (angle B) = 45 degrees. Since there was a ray drawn from A through C the exterior angle of angle C is angle 1.

Step-by-step explanation:

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3 years ago
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Find IJ, JK, and IK <br> Analyze the diagram below and complete the instructions that follow.
fredd [130]
IJ=x-4
JK=5x+12
IK=9x-19

IJ+JK=IK
(x-4)+(5x+12)=(9x-19)
x-4+5x+12=9x-19
6x+8=9x-19
6x+8-6x+19=9x-19-6x+19
27=3x
3x=27
3x/3=27/3
x=9

IJ=x-4=9-4→IJ=5
JK=5x+12=5(9)+12=45+12→JK=57
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Answer: Option B. IJ=5, JK=57, IK=62
4 0
3 years ago
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