Integers are numbers without decimals
The integers could you have multiplied are 9 and 2
Let the numbers be x and y
So, we have:
Increase x by 1 and reduce y by 1.
So, we have
Open brackets
Subtract xy from both sides
Collect like terms
Rewrite as:
The above means that, the difference between the integers is 7.
There are several integers that fit the above <em>description</em>;
One possibility is: 9 and 2
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Answer:
Wind speed = 30 mph
Plane speed = 270 mph
Step-by-step explanation:
Given that :
Distance = 600 miles
Let speed of airplane = a ; speed of wind = b
Net speed ; with wind = a + b
Net speed against wind = a - b
Time taken with wind = 2 hours
Time taken against wind = 2.5 hours
Recall :
Speed = distance / time ; distance = speed * time
(a + b) * 2 = (a - b) * 2.5
2a + 2b = 600
a + b = 300 - - - (1)
a = 300 - b
2.5a - 2.5b = 600
a - b = 240 - - - (2)
300 - b - b = 240
300 - 2b = 240
-2b = - 60
b = 30
a = 300 - 30
a = 270
Wind speed = 30 mph
Plane speed = 270 mph
< = more than
> = less than
So therefore,
D > 5 miles
Hope this helped !
Answer:
I'd say i'm okay at it
Step-by-step explanation:
