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Question 4 of 25 Trevor used a ramp to get a box into a truck. His input work was 700 J and the output work was 400 J. What was the mechanical efficiency of using the ramp? A. 175% OB. 57.1% C. 100% D.

asked Dec 5, 2023

1 answer 54.3k views

A increase in food production enabled the division of labor. the division of labor allowed for the development of new technologies. the development of new technologies allowed for a greater increase in

answered Oct 27, 2023

1 answer 146k views

The cubic expansivity of mercury is 1.8×10^-4K^-1 and the linear expansivity of glass is 8.0×10^-6K^-1, calculate the apparent expansivity of mercury in a glass container?

answered Sep 10, 2023

1 answer 42.8k views

Where does the oil in cars come from? Select 2 that apply -Phytoplankton convert the sugar created through photosynthesis into oil. -Coral Reefs clean the water by removing any carbon waste, they then

asked Aug 3, 2023

1 answer 48.2k views

What term describes a person who does not work and relies on someone else for their support, but if he/she dies, there are still burial expenses? A. a dependent B. a homemaker C. a working man D. a working

answered Jun 11, 2023

2 answers 175k views

2. So, that not so smart man from Jurassic Park 3... he took his stepson parasailing- remember howthat ended? Well, before they crash land, the paracord makes an angle of 51° with the horizontaland has

answered May 24, 2023

1 answer 29.6k views

(17x + 4y) + (48x + 21y) A.65x + 25y B.21x + 25y C.65x + 38y D.21x + 38y

asked Apr 7, 2023

2 answers 97.5k views

Convert the following Celsius degrees to Fahrenheit. a. 35° C b. 500° C c. 10° C d. 55° C

asked Jan 16, 2023

2 answers 78.1k views

What is 2/5 plus 1/10

asked Dec 24, 2022

2 answers 89.1k views

A right triangle has side lengths 5, 12, and 13 as shown below. Use these lengths to find cos B, tan B, and sin B. COS B 13 5 5 tan A 12 с Sin

asked Dec 17, 2022

2 answers 185k views

find a number such that when 3/4 of it is added to 3½the sum is the same as when 2/3 of it is subtracted from 6½. PLEASE HELP

answered Sep 6, 2022

1 answer 22.4k views

Nita gana $ 20 por semana paseando al perro de su vecino. También gana $ 2 por cada rosa que vende de su jardín de rosas. Nita quiere que sus ingresos semanales sean de al menos 50 dólares. Cree una desigualdad

answered Aug 13, 2022

1 answer 214k views

Whats three times three

asked Jul 28, 2022

2 answers 109k views

What is the measure of Angle Z?

answered Jun 21, 2022

2 answers 39.2k views

Father's age is five times than the son's age. If the sum of their ages is 60 years, find their present ages.

answered Jun 20, 2022

2 answers 183k views

The extension of power of one nation over another, often by territorial acquisition, is called __________. A. imperialism B. supremacy C. ethnocentrism D. nationalism Please select the best answer from

asked May 23, 2022

1 answer 137k views

A question paper is made up of twelve questions. A student attempted only 25% of the questions, how many questions were left untouched?

answered Apr 12, 2022

2 answers 18.3k views

George works a job and receives an hourly wage of $15.05 plus a bonus for being on time every day. if he works 38 hours he earns $609 and if he works 40 hours he earns $640. determine george's bonus

asked Apr 6, 2022

1 answer 205k views

This is probably the saddest thing to ask but I’m an introvert soo can someone pleasee give me advise on how to give a short personal introduction??

asked Mar 23, 2022

1 answer 128k views

Good morning how ya'll doing today

asked Feb 28, 2022

2 answers 206k views

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