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puteri [66]
4 years ago
10

The rocket that carried the Curiosity Rover to Mars traveled at a speed of 21,000 miles per hour. What is this speed to the near

est mile per second?
Mathematics
1 answer:
Naily [24]4 years ago
6 0

Well, think of it this way... The rocket is traveling 21,000 miles for every 60 min.

So, divide 21,000 by 60 and you get 350. So, it travels 350 miles per minute, or every 60 seconds. 350 divided by 60 seconds is 5.833333333. So, your answer would be 5.8


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3 years ago
If f(x) = 8^x , find the value of f(2/3).
Licemer1 [7]

Answer:

4

Step-by-step explanation:

This is a substitution question

So we will have to substitute the value of x given into the given question

f(x)=8^x

And x is given as 2/3

So let's get to work

8^2/3 which means that cube root of 8 then square the answer

(3√8)^2

Cube root of 8 is 2

So we will have to square 2 to get 4

Therefore the final answer is 4

I believe you understand

8 0
4 years ago
the town library is raising money by selling old books for $2 each which equation can be used to find the amount of money raised
Snezhnost [94]

Answer:

(6550)

Step-by-step explanation:

You can put this solution on YOUR website!

Call the number of hardcover and paperback books, h and p.

Thus  

h + p = 8 and the value equation is

4h + 2p = 26

Now multiply the top one by four and subtract from the second one...we get

4h + 2p = 26

-(4h + 4p = 32)

----------------

-2p = -6

p = 3 so that

h = 5   x +  y = 8,    (1)

4x + 2y = 26,   (2)

where x and y are the numbers of hardcover and softcover books respectively.

To solve, multiply the equation (1) by 2 (both sides) and then distract it from the equation (2). You will get

4x - 2x = 26 - 16,   or

2x = 10,   or   x = 5 - the number of hardcover books purchased.

Then from the equation (1) you get y = 3.

Check. 4*x + 2*3 = 4*5 + 2*3 = 26. OK.

5 0
4 years ago
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inna [77]

Answer:

I would recommend...

Step-by-step explanation:

try using a website called WolframAlfa. its easy to use just plug in the equation and It will give you a step-by-step.

:) hope this helps lol

4 0
3 years ago
How many liters are equivalent to 25 ml​
Studentka2010 [4]

Answer:

0.025 liters

hope this helps

have a good day :)

Step-by-step explanation:

5 0
3 years ago
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