Questions by Luis Sep

Questions by Luis Sep

An engine absorbs 1.69 kJ from a hot reservoir at 277°C and expels 1.25 kJ to a cold reservoir at 27°C in each cycle. (a) What is the engine's efficiency? (b) How much work is done by the engine in each

asked Jun 28, 2021

1 answer

1 vote

185k views

Does anyone know the answer to this please? Thank you so much!

asked Apr 18, 2021

1 answer

1 vote

192k views

Suppose the growth rate of the firm's profit is 7 percent, the interest rate is 10 percent, and the current profits of the firm are $120 million. What is the value of the firm

asked Apr 11, 2021

1 answer

0 votes

108k views

Joanie is trying to collaborate with the families of the children in her class regarding the children’s total screen time in a day since it is important to look at the children’s total screen time and

asked Mar 11, 2021

1 answer

5 votes

122k views

Which of the following is an indicator that scallops are done? A. They turn milky white. B. They become transculent. C. The shells open. D. They separate easily into segments.

asked Dec 18, 2020

1 answer

0 votes

7.6k views

A social only promotes social, it never arises to prevent change.

asked Dec 6, 2020

1 answer

5 votes

201k views

Simplify: (3x2 − 5x + 9) + (7x2 + 8x − 15) A. 10x2 + 3x − 6 B. 10x2 − 3x − 6 C. 10x2 + 3x + 6 D. 10x2 − 3x + 6

asked Nov 27, 2020

1 answer

1 vote

43.2k views

dion flips a coin 20 times and records if it comes up heads. if getting heads is a success, what is the probability of a success on each roll?

asked Jun 25, 2020

2 answers

2 votes

41.6k views

If Lisa’s gross pay was $1204.89 and her net pay was $818.44, about what percent of her pay was deducted? 1.5% 32% 47% 68%

asked Apr 20, 2020

1 answer

0 votes

220k views

Identify the values that create ordered pairs that are solutions to the equation 3x - 5y = 20. (5,y) (x,2)

asked Dec 14, 2019

2 answers

2 votes

39.6k views

The incentive for producers to increase supply is the potential to obtain additional __________. A. resources B. products C. profits D. growth Please select the best answer from the choices provided A

asked Oct 24, 2019

2 answers

5 votes

155k views

Ax-b=12.5 a b and c represent nonzero constants, how do I solve the equation for x

asked Sep 24, 2019

1 answer

2 votes

71.0k views

Je veux un gâteau, une tarte et des macarons et eclairs. Je vais______. à la piscine à la patisserie à la boulangerie à la papeterie

asked May 3, 2019

1 answer

3 votes

160k views

can somebody help me with this I don't get it you're too fast for me to answer and stuff then find the difference and write the simplest form I don't get it

asked Oct 27, 2018

1 answer

4 votes

6.5k views

When naming hydrocarbons, what does the suffix –yne indicate about the structure of the molecule? A.There is a single carbon-bond in the molecule. B.There is a double carbon-bond in the molecule. C. There

asked Sep 26, 2018

2 answers

1 vote

19.0k views

What is the formula for a rectangle, and how to solve the question?

asked Aug 12, 2018

2 answers

0 votes

164k views

Solve 3w – 6r = 30 for r. Show your work

asked Jul 12, 2018

1 answer

5 votes

190k views

Amita wants to make a mold for a candle. She wants the shape of the candle to be a rectangular prism with a volume of exactly 28 cubic centimeters. She wants the sides to be in whole centimeters. How many

asked Apr 5, 2018

2 answers

2 votes

56.4k views

Which function has an inverse that is also a function? {(–1, –2), (0, 4), (1, 3), (5, 14), (7, 4)} {(–1, 2), (0, 4), (1, 5), (5, 4), (7, 2)} {(–1, 3), (0, 4), (1, 14), (5, 6), (7, 2)} {(–1, 4), (0, 4),

asked Mar 3, 2018

2 answers

2 votes

176k views

What is fifty four divides by four?

asked May 12, 2017

2 answers

1 vote

149k views

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