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QveST [7]
3 years ago
12

If a star is 5,699,999,999,999,999 meters from earth, how long does it take light to travel from earth to the star?

Mathematics
1 answer:
slavikrds [6]3 years ago
4 0

Answer

19.013.153,42629466 giây

Step-by-step explanati

van toc ánh sán  =299.792.458 m/s

s= v*t

t=s/v

t= 5.699.999.999.999.999/299.792.458= 19.013.153,42629466 giây

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During summer vacation, Jaylen read, on average, 5 pages per night. Once he returned to school, he averaged 2 pages per night. W
s2008m [1.1K]

Answer:

60% decrease

Step-by-step explanation:

you would do 5-2=3 ,

5/3

and then multiply by 100

5 0
3 years ago
Please help me out thanks
vladimir1956 [14]

Answer:

A

Step-by-step explanation:

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If two circles have the same circumference what do you know about their area
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If the circumference is half of the perimeter than the area for both circles would be half of them find one circles area and half it
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keisha drove 380 miles using 14 gallond of gas. At this rate, how many gallons of gas would she need to drive 418 miles?
pychu [463]
14gallons=380miles

14/380=<span>0.03684210526gallons/mile
</span>
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or you could cross multiply

14gallons=380miles
x gallons=418miles

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8 0
3 years ago
Help me with khan geometry. (Explain or give answer no link to answer thx)
NikAS [45]

Answer:

\boxed{\sf 200\pi}

Step-by-step explanation:

We know that the volume of a cone:-

\boxed{\sf  \pi r^2\cfrac{h}{3}}

(r = 10) (h = 6)

\sf \pi \times 10^2\times\cfrac{6}{3}

<u>Divide numbers:-</u>

\sf \cfrac{6}{3}=\boxed{2}

\sf 10^2\times \:2\pi

\sf 100\times \:2\pi

<u>Multiply numbers:-</u>

\boxed{\sf 200\pi}

Therefore, your answer is 200π³

We could also multiply 200 by 3.14 which will give you 628 units³.

7 0
2 years ago
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