Mathematics, 31.08.2019 03:30 aprilkenedy12
Alight-year is 9.5 × 10 ^ 12 km. the diameter of the milky way galaxy is estimated to be 100,000 light-years.
a. what is the diameter of the milky way in kilometers?
b. the speed of light is about 3 × 10^8 m/s. what is the speed of light in kilometers
per hour?
c. about how many days would it take light to travel across the milky way?
d. about how many years would it take light to travel across the milky way?
Answers: 1
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Mathematics, 22.06.2019 02:00, kiekie1986
If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.
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