Statement: Your question is well elaborate and has all needed data.
75 * 1000/3600 = 20.8333333
You just need to multiply with 1000 to get m from km and divide by 3600 because you are converting hours in seconds.
The value of D should be 4
Step-by-step explanation:
Let x be the Width, and x+4 be the Length of the rectangle ; =>
Area = x*(x+4) = 60 ; =>
x^2 +4x - 60 = 0 ; Now solve the Quadratic equation using factoring to find x;
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Answer:
90
Step-by-step explanation:
a triangle's angles all add up to 180. take 51 and 39 away from 180 and you get 90
