As the speed of car increase the stopping distance of the car increase or decrease

Q: I need help to find which train is faster

A: Speed of train A= distance/time                              =500/8   Speed of train A  = 62.5…

Q: The distance required to stop a car varies directly as the square of its speed. If it requires 200…

A: The distance is directly proportional to square of the speed. That is, d α s2⇒d=k·s2   →1  where k…

Q: A car travels 175 mi averaging a certain speed. If the car had gone 20 mph faster, the trip would…

A: A car travels 175 mi averaging a certain speed. If the car had gone 20mph faster, the trip would…

Q: The height that a ball bounces varies directly as the height from which it was dropped. A tennis…

A: The height that a ball bounces varies directly as the height from which it was dropped. That is, b α…

Q: Suppose you spent $38.25 for 3 shirts that each cost the same amount. If the cost of the shirts…

A: Answer is mentioned below

Q: Suppose a tortoise is 1000 feet from the ocean. Each day the tortoise travels three-fifths of the…

A: The given data is: Suppose a tortoise is 1000 feet from the ocean. Each day the tortoise travels…

Q: The interest on an investment varies directly as the rate of interest. If the interest is $40 when…

A:

Q: If you travel 100 miles in two hours, then your average speed for the trip isaverage speed =________

A:

Q: A small motor on a fishing boat can move the boat at a rate of 10 mph in calm water. Traveling with…

A: This is the question that is based on the concept of speed, distance and time. When the boat will…

Q: A text message plan costs $4 per month plus $0.15 per text. The monthly cost for x text messages can…

A: Fixed cost is $ 4 per month and per text message cost is $ 0.15. Cost of x text message is $ 0.15x.…

Q: suppose you have entered 43 mile biathalon that consists of a run and a bicycle race.  During your…

A:

Q: A boat travels 20 km upstream in a river in the same period of time as it takes to travel 30 km…

A:

Q: for a given span, the maximum weight that a wooden beam can support varies directly as the square of…

A: The given question can be solved as shown in step2.

Q: The strongest possible negative relationship is + 1.0 ? true or false

A:

Q: A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on…

A:

Q: An airplane is flying at an altitude of 6 miles and passes directly over a radar station. When the…

A:

Q: At 2:00pm a car’s speedometer reads 40mph, and at 2:10pm it reads 60mph. Find the acceleration the…

A:

Q: variable Y is twice th

A: It is given that mean of random variable Y is twice the mean of the random variable X. EY=2EX The…

Q: If the speed of a plane is described as Mach 2.7 what is its speed in kilometers per hour

A: By definition, Mach is the local flow velocity, u(say) is equal to the speed of sound. One Mach…

Q: The distance between A(7,5) and B(-3,-1) is

A: The distance between two is computed as follows, Note: The distance between two points x1,y1  and…

Q: A ship leaves a port going directly west at 45 mph. At the same time the first ship leaves port, a…

A: Formulae used: ddxx=12xddxxn=nxn-1

Q: A submarine starts at sea level and dives to a depth of 310 feet below sea level. It then rises 240…

A: Given submarine dives to a depth of 310 feet below sea level then rises 240 feet

Q: The age of a dog varies directly as its equivalent age in human years . If a 3 year-old is…

A: Let 'y' e the age of dog and 'x' e its equivalent agein human years. Then , according to question,…

Q: per hour. The trail travels east-west, and the velocitys select all the times when is the hiker's…

A:

Q: slower

A:

Q: The speed of a moving walkway is typically about 2.5 feet per second. Walking on such a moving…

A: The speed of a moving walkway is  2.5 feet per second. It takes Karen a total of 40 seconds to…

Q: A submarine is at a depth 400 meters below sea level. The submarine then rises by 185 meters. What…

A: Given submarine dives to a depth of 400 meters below sea level then rises 185 meters means we…

Q: A car travels 60 mi averaging a certain speed. If the car had gone 30 mph faster, the trip would…

A:

Q: During your trip to New York City (320 miles away), you drive at a constant rate of 60 mph. During…

A:

Q: The average height of the students of Mr. Reyes is 155 cm. The actual height of his students could…

A: Ans is given in following photo

Q: steps

A:

Q: The maximum number of grams of fat that should be in a diet varies directly as a person's weight. A…

A:

Q: Can you state the order and tell if it is linear or non linear please?

A: Given.

Q: A certain highway has a 6% grade. How many feet does it rise in a horizontal distance of 1 mile…

A:

Q: When a plane flies with the wind, it can travel 4200 miles in 6 hours. When the plane flies in the…

A: Let x and y be the average velocity of the plane in still air and the average velocity of the wind…

Q: The total distance an ant crawls varies directly with the time in seconds. The ant crawls a total…

A:

Q: An earthworm was in the soil 9 inches below the surface. To find moister soil, it moved down 7…

A: Given that the earthworm was already 9 inches below the surface.  It moved another 7 inches…

Q: The relationship between the time elapsed and the distance traveled for three different cars is…

A:

Q: Find the distance between 10 and y = -3 -5

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Q: The distance between the dock and the boat is decreasing by feet per second when the boat is 2 feet…

A:

Q: The cost per student for a field trip to the Everglades varies inversely as the number of students…

A: Make a relation according to the problem

Q: corresponds to

A: General equation for downward parabola (y-k)=-4a(x - h)2, where (h,k) is vertex and 'a' is a…

Q: An 18­ foot board is cut into two pieces. If one piece is x feet, express the length of the other…

A: (18-x) feet

Q: A text message plan costs $4 per month plus $0.15 per text. The monthly cost for x text messages can…

A: Cost of plan per month = 4$Cost of one text message = 0.15$Cost of x number of text messages =…

Q: The endpoint is the appro

A: The end-points of a line segment are: -1,-2 and 9,12 We have to find the approximate length of the…

Q: The pressure exerted by a certain liquid at a given point varies directly as the depth of the point…

A: As per Bartleby guidelines rule I am answering only first question as both question is not a subpart…

Q: equation that will allow to calculate what the total cost will be if the cost of the hotel is 98 per…

A: Given data is : Cost of hotel per night is 98 Service charge is 24 Let the number of night be x

Q: A boat travels downstream 10 miles and returns to the starting point 2 hours. If the speed of the…

A: A boat travels downstream 10 miles and returns to the starting point 2 hours. If the speed of the…

Q: The new altitude is approximately mi.

A:

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.