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velikii [3]
3 years ago
12

Light travels at a speed of about 1.86×105 miles per second. Suppose a space ship is able to travel at the speed of light. If th

e distance around Earth along the Equator is about 2.48×104 miles, how many times could the space ship travel around the Earth in 1 second? Round to the nearest tenth if necessary.
Mathematics
2 answers:
lawyer [7]3 years ago
8 0
Answer is 448 seconds
Zinaida [17]3 years ago
5 0
The answer is 448 seconds
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What is the coefficient of the variable in the expression 1/2 + v - 3​
amm1812
1

The variable in this case is v, and no coefficient is given, so it can be assumed to be 1.
5 0
3 years ago
Read 2 more answers
What’s the value of <br> tan (3arc cos 3/4)
Volgvan
<h2>Answer: -1.469</h2>

This trigonometric function can be written as:

tan (3 cos^{-1} (\frac{3}{4}))   (1)

Firstly, we have to solve the inner parenthesis:

cos^{-1} (\frac{3}{4})= 41.409   (2)

Substituting (2) in (1):

tan (3(41.409))=tan(124.228)   (4)

Finally we obtain the value:

tan(124.228)=-1.469  

6 0
3 years ago
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In Ms. Dole's class, students received grades of 87, 72, 99, 93, and 84 on yesterday's quiz. What was the mean of the quiz grade
Naddika [18.5K]
Hello!

The mean is the average of the numbers

To find the average you add them all up and divide the sum by the amount of numbers added

87 + 72 + 99 + 93 + 84 = 435

Divide the sum by the amount of numbers added

435 / 5 = 87

The answer is 87

Hope this helps!
4 0
3 years ago
Read 2 more answers
Help help help help
nikitadnepr [17]

Answer:

m=25w+80

Step-by-step explanation:

m=money

w=weeks

280-130=150

150/6=25 this is how much she earns per week

25*2=50 this is how much she earned in two weeks

130-50=80 this is how much she had before she worked

m=25w+80

plug in to check:

(25*2)+80=130

(25*8)+80=280

4 0
3 years ago
If a is the least common multiple of 12, 24, and 36, and b is the lowest prime number, what is the sum of a and b
omeli [17]

Answer:

Step-by-step explanation:

12=2×2×3

24=2×2×3

36=2×2×3×3

L.C.M.=2×2×3×3=36

lowest prime number=2

sum=36+2=38

6 0
3 years ago
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