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mote1985 [20]
3 years ago
14

WILL MARK BRAINLIEST.

Mathematics
1 answer:
lubasha [3.4K]3 years ago
6 0

Answer:

1. Proportional

2. Not proportional

3. Proportional

Step-by-step explanation:

You can tell because the line is straight, which shows how the graph is proportional. Hope this helps!

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In triangle △JKL, ∠JKL is right angle, and KM is an altitude. JL=25 and JM=5, find KM.
d1i1m1o1n [39]

Answer:

KM = 15

Step-by-step explanation:

From the diagram, ΔJKL and ΔJKM are similar to each other because they share the same angle J and they are both right angle triangle. Therefore they are similar by AA property.

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Since ΔJKL and ΔJKM are similar to each other, therefore:

\frac{JK}{JL}=\frac{JM}{JK}\\  Substituting:\\\frac{JK}{30}=\frac{5}{JK}\\JK^2=150\\JK=\sqrt{150}\\ \\From\ hypotenuse:\\JK^2=JM^2+KM^2\\Substituting:\\(\sqrt{150} )^2=5^2+KM^2\\150=25+KM^2\\KM^2=150-25=125\\KM=\sqrt{125}\\ KM=15

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4 years ago
4/y+2=10/5y solve for y
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Step-by-step explanation:

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If ABC XYZ, mA = 50°, and mY = 70°, find mC
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