Answer:
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Step-by-step explanation:
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Answer:
- 1 inch : 250 miles
- 1/15,840,000
Step-by-step explanation:
Map scale factors are usually written a couple of different ways. One of them is the number of miles represented by 1 inch. Here, that is ...
1750 mi/(7 in) = 250 mi/in
Written that way, the scale factor is 1 in : 250 miles.
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The other way the scale factor can be written is as a unitless ratio. That ratio is ...

The map scale factor is 1 in : 250 miles, or 1/15,840,000.
-20 = -10x juntas -4x y -6x
2 = x divides -20 entre -10
If
then complex number
is a root of cubic polynomial.
If polynomial has real coefficients, then conjugated
is also a root of polynomial.
Then the polynomial will be of a form

Since
then

Therefore,

Answer:
x = 26, 16
Step-by-step explanation:
( x-21) ^2 = 25
Take the square root of each side
sqrt(( x-21) ^2) = ±sqrt(25)
x-21 = ±5
Add 21 to each side
x-21+21 = 21±5
x = 21±5
x = 21+5 and x = 21-5
x = 26, 16