Answer:
20
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
Two sides of triangle of sides 5 ft and 7 ft
and angle between them is increasing at a rate of 0.9 radians per second
let
is the angle between them thus
Area of triangle when two sides and angle between them is given


Differentiate w.r.t time

at 


Answer:
-60 and -28
Step-by-step explanation:
-60 + 42= -18
CHECK:
-42-18=-60
-56+-28=-84
CHECK:
-84+28=-56
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Answer:
1 (-9, -4)
2 (-6, 2)
Step-by-step explanation:
1- when you reflect along the x axis keep the x the same and change the y.
2- when you reflect along the y axis keep the y the same and change the x.
Answer:
9
Step-by-step explanation: