Questions by Hartmut Holzgraefe

Questions by Hartmut Holzgraefe

A metal company's old machine makes bolts at a constant rate of 100 bolts per hour.The company's new machine makes bolts at a constant rate of 150 bolts per hour. If both machines start at the same time

asked Aug 4, 2021

2 answers

3 votes

195k views

A well-insulated heat exchanger has one line with 2 kg/s of air at 125 kPa and 1000 K entering, and leaving at 100 kPa and 400 K. The other line has 0.5 kg/s water entering at 200 kPa and 20 °C, and leaving

asked Jul 28, 2021

1 answer

2 votes

202k views

Who is Ruth in The Crucible?

asked Mar 13, 2021

2 answers

5 votes

176k views

Assuming the weights are in kilograms, what is the mystery weight of y Use the equation you created in part A to find the solution Type the correct answer in the box. Use numerals instead of words. If

asked Mar 10, 2021

2 answers

0 votes

2.6k views

Which one is right???

asked Mar 2, 2021

1 answer

4 votes

49.8k views

Please HELP ASAP I really need help

asked Aug 15, 2020

2 answers

1 vote

65.6k views

Which revision correctly combines these two sentences? Roses have a beautiful scent. The ones in my grandfather's garden especially fragrant^

asked Jun 14, 2020

1 answer

0 votes

210k views

if a gas occupies at 5.40 L at a pressure of 1.25atm, what will be its volume at a pressure of 3.00 atm? (Show work)

asked Apr 1, 2020

1 answer

4 votes

136k views

Which haircut is cut at a 90 degree elevation and then overdirected to maintain length and weight at the perimeter

asked Mar 15, 2020

1 answer

4 votes

227k views

Explain Alexander Hamilton's plan, and its reasoning, to put Thomas Pinckney in the Presidency ahead of John Adams

asked Aug 1, 2019

2 answers

2 votes

114k views

A landfill which a plastic or clay liner that prevents the leaking of waste into soil and groundwater is called? a) a sanitary landfill B) an unsanitary landfill C) a recycling center D) a toxic waste

asked Apr 11, 2019

1 answer

0 votes

137k views

What is the correct term for the process by which plants absorb nitrogen?

asked Jan 15, 2019

2 answers

2 votes

223k views

1/2x+3/2=-7 -3x=2y=-2 You could produce a pair of like terms with opposite coefficients by multiplying the first equation by what number? A. 2/3 b. 4/3 c. 6

asked Dec 7, 2018

2 answers

2 votes

168k views

A 50 foot ramp makes an angle of 4.9° with the horizontal. to meet new accessibility guidelines, a new ramp must be built so it makes an angle of 2.7° with the horizontal as shown below. what is the length

asked Oct 26, 2018

1 answer

0 votes

169k views

In the early 1600s, the encroachment of white settlers onto Native American tribal lands in the New England area resulted in

asked Jul 17, 2018

2 answers

4 votes

111k views

HELP Which sentence uses possessive pronouns correctly? A. Those suitcases are their's. B. The squirrel carried it's acorns up the oak tree. C. Carl said that the markers were his'. D. Have you seen the

asked May 1, 2017

1 answer

5 votes

60.7k views

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