Recent activity by David Lee

Question

What substance is secreted by most aquatic animals, and why? a) Urea, to conserve water. b) Ammonia, to reduce metabolic energy expenditure. c) Carbon dioxide, to regulate pH. d) Glucose, for energy production.

answered Dec 23, 2024

1 answer 28.1k views

What is the measure of the basic angle of an isosceles triangle if the vertex angle measures 46 degrees, and the two congruent sides measure 21 inches? A. 144° B. 67° C. 134° D. 21° E. 72°

answered Nov 15, 2024

1 answer 127k views

A customer complains that their heat pump system blows cool air periodically during the heat mode. This could be caused by __________. 1) A faulty thermostat 2) Low refrigerant levels 3) Dirty air filters

asked Oct 19, 2024

1 answer 211k views

A steady wind blows a kite due west. the kite's height above ground from horizontal position x = 0 to x = 60. It is given by y = 150 - 1/40((x - 50)²). Find the distance traveled by the kite

answered Sep 1, 2024

1 answer 215k views

After a vaginal delivery, a clients funds is 3cm above the umbilicus, boggy, and located to the right of midline.:A) Assess for uterine atony B) Document the finding as normal postpartum changes C) Encourage

answered Aug 28, 2024

1 answer 29.7k views

Hydrogen sulfide gas, which smells like rotten eggs, burns in air to produce sulfur dioxide and water. How many moles of oxygen gas would be needed to completely burn 4.7 moles of hydrogen sulfide? ___

asked Jul 6, 2024

1 answer 207k views

Which is a better buy? 2-foot piece of linen for $10.32 62-inch piece of linen for $37.82

asked Jun 19, 2024

2 answers 116k views

Can anyone help with this?

answered Apr 18, 2024

1 answer 83.0k views

What was the Yongle dadian? O a medical textbook O the Porcelain Tower O an encyclopedia a weapon of war

answered Apr 8, 2024

1 answer 231k views

Consider a hypothetical material that has a grain diameter of 2.1 × 10-2 mm. After a heat treatment at 600°C for 3 h, the grain diameter has increased to 7.2 × 10-2 mm. Compute the grain diameter when

asked Mar 25, 2024

1 answer 109k views

A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips,style of car and other features. The distribution of the number of months in service for the

asked Dec 8, 2023

1 answer 38.7k views

There are 120 guests in a square based pyramid shaped tent. If each person has 4m^2space on ground and height of the tent is 15 m, find the volume of the tent.

answered Nov 29, 2023

1 answer 220k views

Is the 72 or right or nah this is way to confusing for me

asked Nov 18, 2023

1 answer 13.4k views

Compare f(0) and g(0)g(x)=|2x-8|-11f(0) is =, <, or > than g(0)

asked Nov 2, 2023

1 answer 155k views

What is the value of x?

answered Oct 30, 2023

1 answer 47.4k views

5. Which of the following situations could be solved using the equation 3m + 5 = 11? Select two that apply. A. Mr. Thomas bought 3 sets of paintbrushes for the art class. Mrs. Hamby bought 5 single paintbrushes,

answered Aug 6, 2023

2 answers 171k views

What does he mean by "stand on the side and hold the coats"? A.He means to say that it is all a big game and none of it is important. B.He is saying they are observers who won't have any impact on the

answered Jul 22, 2023

1 answer 170k views

A bag contains 9 marbles. Three marbles are red, two are green, and the others are blue. What is the probability that a blue or green marble will be chosen? Give your answer as a ratio. (Remember to reduce

asked Feb 10, 2023

2 answers 54.0k views

A car has a mass of 2,000 kg and is traveling at 28m/s. What is the car’s kinetic energy? 984,000 J 784,000 J 484,000 J

asked Dec 20, 2022

1 answer 64.1k views

The factors of 16-y² are

asked Dec 13, 2022

1 answer 58.1k views

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