Questions by Pera

Questions by Pera

Air enters the compressor of an ideal Brayton refrigeration cycle at 100 kPa, 300 K. The compressor pressure ratio is 3.75, and the temperature at the turbine inlet is 350 K. Determine the (a) net work

asked Dec 11, 2024

1 answer

4 votes

23.0k views

When the weather gets warm, Michael's mom packs his family's sweaters away in a trunk. She can fit twelve sweaters in a trunk that is three feet long, two feet wide, and one foot tall. What is the volume

asked Dec 10, 2024

1 answer

3 votes

70.9k views

To prove that Δlmn Δxyz by the SAS similarity theorem, it also needs to be shown that ∠n ≅ ∠z, ∠n ≅ ∠x, ∠l ≅ ∠z, and ∠l ≅ ∠y. Which of the following statements is true? 1) ∠n ≅ ∠z, ∠n ≅ ∠x, ∠l ≅ ∠z, and

asked Sep 11, 2024

1 answer

0 votes

222k views

Pure tones are sounds: A) that are not amplified. B) with a single frequency. C) that have a unique timbre. D) with a pitch between 5000 and 10,000Hz.

asked May 25, 2024

1 answer

5 votes

4.9k views

How did Hinduism grow

asked Apr 8, 2024

2 answers

5 votes

187k views

How does the inheritance of X-linked traits differ from that of other traits?

asked Jan 17, 2024

1 answer

1 vote

11.3k views

The total amount spent on plasma TV's in the United States changed from $1590 million in 2003 two $5705 million in 2006. Find and interpret the average rate of change in sales, in the millions of dollars

asked Jan 8, 2024

1 answer

2 votes

171k views

A boy weighs 400 N. What is his mass?

asked Oct 22, 2023

2 answers

3 votes

95.5k views

PCl3 is a compound used to manufacture pesticides. A reaction requires that 95 g of PCl3 be raised from 30°C to 70°C. How much energy will this require given that the specific heat of PCl3 is 0.874 J/g°C.

asked Oct 19, 2023

1 answer

2 votes

157k views

During the day, susan notices that the wind is blowing onshore at the beach. What is this called?.

asked Jun 12, 2023

1 answer

19 votes

170k views

A particular shoe store stocks two styles of walking shoes. Style A sells for $66.95 and Style B sells for $84.95. At the end of the week, sales totaled in $17,652. The number of Style A shoes sold was

asked Mar 12, 2023

1 answer

14 votes

31.8k views

Which relationship describes angles 1 and 2? complementary angles adjacent angles linear pair vertical angles

asked Nov 7, 2022

1 answer

7 votes

233k views

In our society today gun violence is a major issue. What do you feel that we can do to decrease this issue? Do you feel that the steady rise in gun violence cause police officers to be more hostile when

asked Jul 1, 2022

1 answer

0 votes

5.8k views

Complete each sentence by writing in the correct ending for the correct for IMPORTANT: DON'T FORGET ABOUT ACCENT MARKS WHEN NECESS Ustedes estesta en la sala de clase. 1

asked Jun 21, 2022

1 answer

10 votes

191k views

Which sentence uses correct capitalization?

asked May 18, 2022

1 answer

2 votes

47.5k views

Solve: log∨(2x-4)(216) = 3

asked May 1, 2022

1 answer

5 votes

151k views

Why is it so important to know the narrator has a child?

asked Mar 2, 2022

2 answers

22 votes

91.3k views

Suppose you drop a superball of massMand a marble of mass m(both treated as point masses) from a heighthwith the marble just on top of the superball. A superbowl has essentially elastic collisions with

asked Feb 24, 2022

1 answer

13 votes

177k views

I am really confused on the graph anyone mind helping me

asked Feb 6, 2022

1 answer

0 votes

34.0k views

The button on Leslie's pants has a radius of 4 millimeters. What is the button’s circumference?

asked Dec 3, 2021

2 answers

3 votes

109k views

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