By increasing her usual speed by 15 kilometers per hour, a bus driver decreases the time on a 15-kilometer trip by 5 minutes. Find the usual speed. ______kph

Q: 9 Convert the given Celsius temperature to its equivalent temperature on the Fahrenheit scale. Use C…

A: The given temperature is 47°C. The given formula for conversion is F=95C+32 where F is degrees in…

Q: 11.9 km 14.7 km

A:

Q: if elogx = 3.84; find x.

A:

Q: Find KM K. U 11 M

A:

Q: 1. Two cars start from the same point and rode on opposite directions. After 5 hours they are 200…

A: Solution :  Given that  Total distance  D = 200  kilometers  Time T = 5 hours

Q: 9. 8x + 23 823 no real-number solution %3D C. 64 d. t10. a. b. t/800

A: Given  8x2+23=823

Q: Convert the given Celsius temperature to its equivalent temperature on the Fahrenheit scale. Use C =…

A:

Q: Mulder and scully are driving to the same town. Mulder leaves the office at 9:30 AM. Averaging 55…

A:

Q: Gas mileage actually varies slightly with the driving speed of a car (as well as with highway vs.…

A:

Q: 8 An aircraft, used for fire spotting, flies from its base to locate a fire at an unknown distance,…

A: Aptitude problem solved here.

Q: Find a direct variation model that relates y and x. x = 2, y = 24

A: If x and y are related by an equation of the form y=kxn  the relationship is direct variation and y…

Q: The amount Q of water emptied by a pipe varies directly as the square of the diameter d. A pipe 2…

A: Here, amount A of water emptied by a pipe varies directly as the square of a diameter d. That is:…

Q: Part b wanted the time not distance

A:

Q: Solve for x. state non-permissable values of the variables 1/x-2 = 1/4x+10

A:

Q: xy 12 %3D

A: take value of x then we get y then make a table and then draw the graph

Q: Determine the value of the constant k, such that 4 √x²2x1dx = 1.90038. Give your answer correct to 3…

A:

Q: A boat has a speed of 5 mph in calm water.it takes the boat 3 hours to travel upstream but only 2…

A: Speed of current

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.