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galina1969 [7]
3 years ago
6

8.2 x 10 ^-5 in standard notation

Mathematics
1 answer:
Mars2501 [29]3 years ago
5 0
8.2*10^-5 can be also written as 0.000082, in standard notation. 
Hope this helps.
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Are 7 and 42 relatively prime
Iteru [2.4K]
7 is a prime number, 72 is not a prime number.
Hope this helped!:)

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3 years ago
Some friends went to
igomit [66]
Some friends went to lunch and split the bill equally. If each person paid $6.75, how many people went to lunch thinking. Use a diagram or equation to explain your thinking. The total is 27$. 27 divided by 6.75 is 4. Suppose
5 0
3 years ago
A boat can travel 21mph in still water. If it travels 270 miles with the current in the same length of time it travels 108 miles
erica [24]

Answer: the speed of the current is 9 mph.

Step-by-step explanation:

Let x represent the speed of the current.

A boat can travel 21 mph in still water. If it travels 270 miles with the current. It means that the total speed with which the boat travelled with the current is (21 + x) mph.

Time = distance/speed

Time spent by the boat in travelling 270 miles is

270/(21 + x)

In the same length of time, it travels 108 miles against the current. It means that the total speed with which the boat travelled against the current is (21 - x) mph.

Time = distance/speed

Time spent by the boat in travelling 108 miles is

108/(21 - x)

Since the time is the same, then

270/(21 + x) = 108/(21 - x)

270(21 - x) = 108(21 + x)

5670 - 270x = 2268 - 108x

108x + 270x = 5670 - 2268

378x = 3402

x = 3402/378

x = 9

7 0
3 years ago
Helppp meeee please
nekit [7.7K]

Answer:

The Equation for lyft is:

4.50x

The Equation for uber is

2.50x+5

Step-by-step explanation:

If you want to determine which one is better then you can just plug in the distance in place of x. For example if it asked you which one was better for 5 miles, uber or lyft you could plug 5 into the equation.

It would look like this

Lyft: 4.50 (5)= 22.5

Uber

2.50 (5) +5= 17.5

If the distance were 5 miles uber would be the better option.

5 0
2 years ago
Read 2 more answers
I need help with this pleas
Shtirlitz [24]

Answer:

What is the question?

Step-by-step explanation:

I cannot see an attachment.

8 0
3 years ago
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