Recent activity by Jacques Betancourt

Recent activity by Jacques Betancourt

The highest coefficient of performance that a heat pump operating between two reservoirs can have is: -0% or 0.00 -equal to that of an irreversible heat pump -100% or 1.00 -equal to that of a Carnot heat

answered Dec 23, 2024

1 answer 156k views

What did Emily and Cornelia say their safety bags were?

asked Dec 13, 2024

1 answer 91.0k views

Illustrate 4 ways in which Covid 19 affected normal life routine

answered Nov 18, 2024

1 answer 49.6k views

Which of the following is true of training and development? a) Training is instructional; development is experiential. b) Training supports performance in a current job; development supports performance

answered Nov 15, 2024

1 answer 127k views

Write out the balanced equation for the dissolution of ammonium nitrate in water.

answered Oct 26, 2024

1 answer 123k views

What is an effective method when refusing service to an obviously intoxicated customer?

answered Oct 4, 2024

1 answer 78.2k views

How is your vision different at night? A. The sharpness of images in front of you increases. B. Visibility to the left and right sides becomes clearer. C. Your eyes struggle adjusting from light to dark/dark

answered Oct 3, 2024

1 answer 106k views

The marginal cost function for a company is given by C′(q)=q2−15q+70 dollars/unit, where q is the quantity produced. If C(0)=700, find the total cost of producing 20 units. What is the fixed cost and what

answered Jul 10, 2024

1 answer 173k views

__encourage product trial and repurchase, and are likely to increase the amount of a product purchased.

asked Apr 17, 2024

1 answer 213k views

the excess flow valve is commonly integrated as a safety feature within a regulator to manage gas flow and prevent hazardous surges or leaks.

answered Feb 23, 2024

1 answer 103k views

ayo earns 50,000 monthly and he spends 35,000 altogether. if he saves the rest, find the percentage of his savings

asked Feb 6, 2024

1 answer 164k views

A sporting apparel manufacturer that produces t-shirts to commemorate significant athletic achievements for proud students and alumni probably use a------ a. Batch manufacturing b. Assembly line manufacturing

answered Jan 23, 2024

1 answer 42.4k views

Which systems use the Internet to automate and manage purchases and the vendors from which these purchases are made with the predominate technology being electronic data interchange (EDI)? 1) Customer

answered Jan 20, 2024

1 answer 91.5k views

Question Write the ratio 97 to 194 as a simplified fraction.

answered Dec 23, 2023

1 answer 9.3k views

Twice a number decreased by 4 Is atleast 12

asked Nov 10, 2023

1 answer 30.9k views

it takes 6 painters 4½hours to paint these classrooms calculate how long 3 painters will take to complete the same job

asked Nov 1, 2023

1 answer 224k views

What is the value of the expression 2x2 – 5x + 6 when x = -2?

asked Oct 11, 2023

1 answer 74.3k views

50 Pointttt How can we tell what was important in the daily lives of people in the ancient Chinese dynasties? A) by lists of household objects B) by the writings of Lao-Tzu C) Stories have been handed

answered Aug 31, 2023

1 answer 15.2k views

Which would most likely result in low oxygen levels in the blood?

answered Mar 20, 2023

2 answers 117k views

Expand and simplify (x+1)(x+9)

asked Mar 1, 2023

1 answer 233k views

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