Answer:

Step-by-step explanation:
You move the decimal place over 6 times for the first equation and 5 for the second equation.
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Answer:
I think its graph 4
Step-by-step explanation:
Answer:
20.2 miles
Step-by-step explanation:
This can be described by the three sides of a right angled triangle. Let the distance of the glider to the airport be represented by x, applying the Pythagoras theorem:
=
+ 
=
+ 
576 =
+ 169
= 576 - 169
= 407
x = 
= 20.1742
x = 20.2 miles
The glider has to fly 20.2 miles to return to the airport.
<span>Ans : According to the Equation -
10.2638 + 0.0491x
= 10.2638 + 0.0491 X 748 ( Because x= 748, given )
= 10.2638 + 36.72
= 46.99
= 47 (Approximately)</span>