Questions by Doug Watkins

Questions by Doug Watkins

johnathan needs 70 liters of a 50% alcohol solution. he has a 30% solution and an 80% solution available. How many liters of the 30% solution and hjow many liter of the 80% solution should he mix to make

asked Apr 19, 2021

1 answer

1 vote

196k views

Suppose ff is a continuous function that has critical points at x=-2x = − 2 and at x=1x = 1 such that f'(-2)=0f ′ ( − 2 ) = 0 and f'(1)=0f ′ ( 1 ) = 0. The second derivative of f (x)f ( x ) is given as

asked Mar 26, 2021

1 answer

3 votes

139k views

What can Pablo say to the waitress before starting the meal? Mesera, la cuenta, por favor. Mesera, buen provecho. Mesera, necesito el tenedor. Mesera, necesito la taza.

asked Mar 9, 2021

2 answers

1 vote

65.0k views

Known as feudalism. was a loosely organized system of rule in which powerful local lords divided their landholdings among lesser lords. In exchange, these lesser lords, or pledged service and loyalty to

asked Feb 21, 2021

1 answer

5 votes

224k views

Which substance(s) will be good conductors of electricity? I. H2O (s) II. NaCl (s) III. NaCl (l) IV. Au (s) A) I and II only B) III and IV only C) II and III D) All of them

asked Nov 21, 2020

1 answer

2 votes

207k views

A pilot is flying from DFW to NYC. The air traffic controller directs him to fly 69° Northeast at 243 m/s. What is the y component of his velocity?

asked Jun 23, 2020

1 answer

5 votes

120k views

What strategy do you most commonly use to identify a pattern

asked Apr 22, 2020

2 answers

2 votes

168k views

Playing Hangman. H_M_ _O T__ _O__N __OON__L What is it?Album title,sports equipment,a movie title or food?

asked Apr 19, 2020

2 answers

4 votes

142k views

A car accelerates from 13m/s to 25m/s in 6.0s. What was its acceleration? How far did it travel in this time? Assume constant acceleration Please include formula used. Thank You.

asked Nov 16, 2019

1 answer

2 votes

125k views

Passing through the points (-2,3) and (-2,6). Find an equation for the line described

asked Sep 26, 2019

1 answer

2 votes

130k views

What is the term for the force exerted by an object when it is pushed by another object?

asked May 11, 2019

2 answers

2 votes

59.3k views

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