Answer:
3.44 square feet
Step-by-step explanation:
Please kindly check the attached file for explanation and the picture of the poster board.
if the length of the line arc is 3 cm and the radius is 10 cm calculate the angle at the center of the circle
2 answers:
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Answer:
Step-by-step explanation:
The systems of equations are
Let us assume the rate of the current be c
Now actual speed against the current is (15 - c)
And, the actual speed with the current is (15 + c)
Here we applied the time formula i.e. distance by speed
Also the upstream time - downstream time = 4
Now the equations are