(2j+7)(2j−7)
=(2j+7)(2j+−7)
=(2j)(2j)+(2j)(−7)+(7)(2j)+(7)(−7)
=4j2−14j+14j−49
=4j2−49
Answer:
113.1
Step-by-step explanation:
i just did the math
Answer:
you add 8 2/5 and 6 1/2. the common denominator is 10, and when you add, you get 14 9/10. then you subtract
24 - 14 9/10 and you get 9 1/10
Answer:
The length of rope is 420 feet.
Step-by-step explanation:
Kingston flew 300 feet above the water.
Perpendicular = 300 feet
The boat driver informed him the angle of elevation from the boat to that height is typically 45.5 degrees
We are supposed tho find the length of the rope i.e. Hypotenuse

So,The length of rope is 420 feet.