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WITCHER [35]
3 years ago
9

If two positive angles have a sum of 180 degrees are called

Mathematics
1 answer:
SpyIntel [72]3 years ago
7 0
If two positive angles have a sum of 180 degrees, they are called supplementary angles. 
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4 0
3 years ago
Train A leaves a station at 8:00 and travels at 100 km per hour towards the next city. One and a half hours later, Train B, an e
Anon25 [30]
Let t be time in hours.

Train A travels at 100 km per hour, so after t hours it will be 100t km from the station.

Train B travels at 160 km per hour, but it leaves the station one and a half hours later than train A, so its time is (t-1.5) hours. After (t-1.5) hours it will be 160(t-1.5) km from the station.

Train B will overtake train A when their distances from the station are equal.
100t=160(t-1.5) \\
100t=160t-240 \\
100t-160t=-240 \\
-60t=-240 \\
t=\frac{-240}{-60} \\
t=4

Train B will overtake train A after 4 hours since train A left the station. It left the station at 8:00, so train B will overtake it at 12:00.
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3 years ago
The center of a circle lies on the line y = 3x + 1 and is tangent to the x-axis at (−2,0) .
maks197457 [2]

Answer:

Step-by-step explanation:

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3 years ago
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Alina [70]

x=34 is the correct answer!

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3 years ago
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Harman [31]

Answer:  \text{quadrilateral FSHB}\sim\text{quadrilateral KTWJ }

Step-by-step explanation:

To polygons are said to be similar if all the corresponding angles of given polygons are equal.

In the given figure, it can be seen that in quadrilateral FSHB and quadrilateral KTWJ all the corresponding angles are equal.

∠F=∠K

∠S=∠T

∠H=∠W

∠B=∠J

Therefore, The given polygons are similar.

Hence, \text{quadrilateral FSHB}\sim\text{quadrilateral KTWJ }

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3 years ago
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