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A motorcyclist travelling at a constant speed covered the distance between point M and point N in 5 hours. On the return trip, the first 36 km were traveled at that same speed. For the rest of the trip, the motorcyclist increased the speed by 3 km/hour. What was the motorcyclist’s original speed if the return trip took him 15 minutes less than the trip from M to N?

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general 11 months ago 3041

Arabella, Bettina, Chandra, and Divya are runners on the track team.the distance and time foe each runner are shown in the table below.YOU MUST GIVE ME TODAY OR NO BRAINLIST. runner distance time arabella 7,229 feet 561 sec bettina 3,425 yards 13 minut,12 se chandra 8,214 feet 0,195 hours divya 1,62 miles 732 seconds

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general 11 months ago 9419

Which of the following statements accurately describes the result of a decreasing worker-per-beneficiary ratio in the Social Security system? a. Fewer taxed workers than beneficiaries means that the system is collecting more money for the money being drawn out. This leaves money in the system and secures benefits for future beneficiaries. b. Fewer taxed workers than beneficiaries means that the system is collecting more money for the money being drawn out. This leaves a shortage of money in the system making benefits for future beneficiaries unsure. c. Fewer taxed workers than beneficiaries means that more money is being drawn from the system for the money put in. This leaves a shortage of money in the system making benefits for future beneficiaries unsure. d. Fewer taxed workers than beneficiaries means that more money is being drawn from the system for the money put in. This leaves money in the system and secures benefits for future beneficiaries.

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general 11 months ago 3159

A small company has 20,000 shares. Anastasia owns 400 of these shares. The company decides to split its shares. What is Anastasia's ownership percentage after the split?A. 20% B. 2% C. 4% D. 1%

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general 11 months ago 8689

Find a model for simple harmonic motion if the position at t=0 is 5 centimeters, the amplitude is 5 centimeters, and the period is 4 seconds.A) d=5cos(4t)B) d=5sin(pi/2t)C) d=4sin(5t)D) d=5cos(pi/2t)

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general 11 months ago 2985

if the diameter of a circle is 80 m,then what is the radius

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general 11 months ago 7289

Which sentence describes why polygon MNOP is congruent to polygon JKLP?Polygon JKLP maps to polygon MNOP through a translation.Polygon JKLP maps to polygon MNOP through a rotation.Polygon JKLP maps to polygon MNOP through a dilation.Polygon JKLP maps to polygon MNOP through a stretch.LINK TO IMAGE ---- https://cdn.ple.platoweb.com/EdAssets/43c95ecfe7ce471cb0b13bb019f6a5f0?ts=635296001331870000

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general 11 months ago 9685

Will the product of two numbers increase or decrease and by what percent if one of them is increased by 50%, and the other is decreased by 50%?PLZ HELP! Need this quick! Thx! :D

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general 11 months ago 8054

The difference between number 20 and its opposite is what percentage of 200? (if you do not remember: opposite of 15 is −15; opposite of −7 is 7.)

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general 11 months ago 1369

an airplane is heading due north at 800 km h when it encounters a wind from the northeast at 100km h what is the resultant velocity

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general 11 months ago 7397

Sonia purchased a pool for $2,150 using a six-month deferred payment plan. The interest rate after the introductory period is 27.99%. No down payment is required, but there is a minimum monthly payment of $35. What is the balance at the beginning of the seventh month if only the minimum payment is made each month during the introductory period? (4 points)Select one:a. $2,468.99b. $1,940.00c. $2,150.00d. $2,258.99

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general 11 months ago 3164

A drawer contains 12 white socks and 8 black socks. You randomly choose 1 sock and do not replace it. Then you randomly choose another sock.Event A: The first sock is white.Event B: The second sock is white.Find the probability that both events A and B will occur. Round your answer to the nearest tenth.

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general 11 months ago 6054

You play a game that involves drawing two numbers from a hat. There are 25 pieces of paper numbered from 1 to 25 in the hat. Each number is replaced after it is drawn. Find the probability that you will draw the 3 on your first draw and a number greater than 10 on your second draw. Round your answer to the nearest tenth.

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general 11 months ago 4800

Melissa believes the following graph shows direct variation. What is Melissa’s error?The graph is not a linear function.The rate change is not constant.The function does not pass through the origin.A function with direct variation cannot have a negative slope.

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general 11 months ago 6430

NEED THE HELP PLEAASE !!!The sides of ∆ABC are 30 units, 40 units, and 60 units long. The corresponding sides of ∆XYZ are r times as long as the sides of ∆ABCThe expression that gives the perimeter of ∆XYZ is ___130/r130r130rr65rIf the area of ∆ABC is n square units, the area of ∆XYZ is _ square unit nnrn(r r)n + r

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general 11 months ago 2949

A tree with a height of 12 yards casts a shadow that is 33 yards long at a certain time of day. At the same time, another tree nearby casts a shadow that is 20 yards long. How tall is the second tree?8.0 yards7.7 yards7.3 yards6.3 yards6.1 yards

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general 11 months ago 2161

The areas of two similar triangles have a ratio of 16:49. What is the ratio of their perimeters? Question options: A) 256/2401 B) 16/49 C) 64/343 D) 4/7

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general 11 months ago 7450

Some pleated draperies must be twice as wide as the window they cover. how many square yards of material are needed to cover this kind of window 2 ft. wide and 3 ft. long? 12 4 1 1/3

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general 11 months ago 4561

Five days a week, you carpool with 3 co-workers and take turns driving each week. It is 14 miles from your home to your office. When you drive the carpool you must go an extra 4 miles to pick up your co-workers. If your car averages 18 miles per gallon, about how many gallons of gas should you save every 4 weeks by carpooling?

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general 11 months ago 2181

Helper will get brainliest! Carlos begins his workout by stretching.Then he speeds an equal amount of time on each workout machine. The equation y= 8x + 10 represents the total time, in minutes, of Carlos’ workout if he uses x workout machines. Branilest whoever helps me!!

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general 11 months ago 6282