Questions by Nir Friedman

Questions by Nir Friedman

Do pollen grains have the same number of chromosomes as a regular plant cell?

asked Dec 15, 2020

1 answer

5 votes

76.0k views

The function f(x) = -(x-3)2 + 9 can be used to represent the area of a rectangle with a perimeter of 12 units, as a function of the length of the rectangle, x. What is the maximum area of the rectangle?

asked Sep 5, 2020

2 answers

1 vote

5.0k views

A large piece of jewelry has a mass of 132.6 g. A graduated cylinder initially contains 48.6 mL water. When the jewelry is submerged in the graduated cylinder, the total volume increases to 61.2 mL. (a)

asked Aug 6, 2020

1 answer

2 votes

172k views

What is the heat required to vaporize 650 grams of a liquid with a heat of vaporization of 723 joules/gram?

asked Sep 11, 2019

2 answers

2 votes

28.8k views

Katrina drinks 0.5 gallons of water per day wich expression shows how to find the number of cups of water she drinks in a week

asked May 7, 2019

1 answer

1 vote

67.0k views

What should you do if a person is choking, but is still able to speak or breathe? 1.Have him cough forcefully 2.Perform rescue breathing 3.Perform the Heimlich Maneuver 4.none of the above

asked Mar 1, 2019

2 answers

4 votes

126k views

Please help this is due tmrw

asked Oct 19, 2018

1 answer

1 vote

213k views

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