Solve the following time rates problems. A ship sails east 20 miles and then turns N30°W. If the ship's speed is 10 mph, find how fast it will be leaving the starting point 6 hrs after the start.

Q: Angelo's kayak travels 13 km/h in still water. If the river's current flows at a rate of 4 km/h, how…

A: Downstream means in the direction of flow of river.

Q: QUESTION 7 Solve for x: 42x-1 = 20. Round your answer to the nearest hundredths. %3D

A:

Q: It took a salmon 45 seconds to swim upstream to a certain spot. The salmon then turned around to…

A: To find speed of salmon

Q: A new car worth $22,000 is depreciating in value by $2000 per year. Complete parts (a) through (c) a…

A: Linear equations

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.