Answer: The correct option is B, i.e., 40 miles per hour.
Explanation:
Let the speed of bus in the afternoon route be x.
From the given information the average speed is 12 miles per hour less than the afternoon route. So, the speed of bus in the morning route is x-12.
So,
Time taken by bus in morning route is,
Time taken by bus in afternoon route is,
Since it is given that the time is same, so
Since x represents the speed of bus in afternoon route, therefore the correct option is B, i.e., 40 miles per hour.
Every square is always rectangle because it is a quadrilateral with all four angles, right angles
9514 1404 393
Answer:
Step-by-step explanation:
Multiply numerator and denominator by the "conjugate" of the denominator.
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This is done in different scenarios in order to take advantage of the factoring of the difference of squares. Square root terms and imaginary terms in the denominator can be eliminated in this way.
a² - b² = (a -b)(a +b)
Answer: F
In scientific notation, there is one number to the left of the decimal point
Since the decimal point was moved four places to the right, the exponent is a negative 4
Answer:
the anwsere is d>?
Step-by-step explanation:
