The diameter of a circle is 17 cm. Find the circumference to the nearest tenth.

Mathematics

1 answer:

Gnoma [55]3 years ago

6 0

Answer: C≈53.41cm

If rounded the answer is C=50.00

HOPE THIS HELPS

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A train leaves L.A. at 2pm and heads north at 50mph. If the next train leaves the station 3 hours later and heads north at 60 mp

yaroslaw [1]

Answer:

8 AM

Step-by-step explanation:

Start time = 2 PM
Speed of the first train = 50 mph
Speed of the second train = 60 mph
Trains head same direction
The second train spends 3 hour less time than the first but both take same distance

Let the time in travel for the first train be x, then we have equation for distance:

50x = 60(x - 3)
50x = 60x - 180
60x - 50x = 180
10x = 180
x = 18 hours

Time when the second train caches up the first one:

2 PM + 18 hours = 8 AM next day

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3 years ago

Solve by factoring or finding square roots.

Sonja [21]

Answer:

$\large{\textbf{x = 0, 3}\\}$

Step-by-step explanation:

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