Questions by Xref

Questions by Xref

Which material is used in a photovoltaic cell? A photovoltaic cell converts solar radiation into electric current using a thin sheet of____ like silicon.

asked Nov 19, 2021

2 answers

4 votes

45.9k views

Write a pseudocode to calculate the volume of a cylinder

asked Aug 12, 2021

1 answer

4 votes

85.4k views

What two functions do enzymes have? (PLEASE ANSWER QUICKLY)

asked Aug 1, 2021

2 answers

4 votes

4.3k views

Which object has unbalanced forces acting on it

asked Jul 9, 2021

1 answer

3 votes

211k views

A pendulum is 18 feet long. It's central angle is 44°. The pendulum makes one back and forth swing every 12 seconds. To the nearest foot, how far does the pendulum swing each minute

asked Jun 16, 2021

1 answer

1 vote

99.7k views

The probability that it will snow is 7/20 what’s the probability it won’t

asked Jun 15, 2021

2 answers

5 votes

215k views

What are 2 benefits of lipid ?

asked Jun 15, 2021

1 answer

1 vote

31.3k views

After getting a warning about heart health from his doctor, Malcolm has decided to end his 20 years of smoking. What will most likely be the state of his health in four years' time? His health will be

asked May 22, 2021

2 answers

5 votes

229k views

HELP AS SOON AS YOU CAN!!! what word best describes an appropriate study area?

asked Mar 17, 2021

1 answer

4 votes

66.2k views

3x – 7 –2/3 (9x – 6) = 15 with explanation.

asked Mar 11, 2021

1 answer

2 votes

99.5k views

The Mixed Nuts Division of Yummy Snacks, Inc. had the following operating results last year: Sales (140,000 pounds of product) $70,000 Variable expenses $42,000 Contribution margin $28,000 Fixed expenses

asked Feb 15, 2021

1 answer

3 votes

71.6k views

What are Canada’s environmental issues

asked Nov 22, 2020

1 answer

3 votes

154k views

Suppose that the total revenue received by a company selling basketballs is $600 when the price is set at $30 per basketball and $600 when the price is set at $20 per basketball. Without using the midpoint

asked Oct 28, 2020

1 answer

3 votes

135k views

Write the expression 2a+b in the form of a fraction with the given denominator. Check if the domain of the expression changed. If yes, state the changes explicitely. 3a

asked Sep 7, 2020

1 answer

3 votes

18.5k views

What is the final battle in The R a p e of the Lock, and how does Pope present it in a mock-epic style? Your answer should be at least one hundred words.

asked Sep 14, 2019

1 answer

5 votes

127k views

Based on the theory of plate tectonics it is inferred that over the past 250 million years north america has moved toward the

asked May 24, 2019

2 answers

4 votes

120k views

If your BAL is at .04, you can expect a BLANK drop in complex performance compared to the sober level. A) 17% B) 24% C) 36% D) 13%

asked Aug 5, 2018

2 answers

1 vote

206k views

Eduardo solved the following inequality, and his work is shown below: −5(x + 4) + 21 ≥ −3 + 4(x − 8) −5x − 20 + 21 ≥ −3 + 4x − 32 −5x + 1 ≥ 4x − 35 −9x ≥ −36 x ≥ 4 What mistake did Eduardo make in solving

asked May 24, 2018

2 answers

1 vote

2.4k views

A set of equations is given below: Equation C: y = 7x + 12 Equation D: y = 7x + 2 How many solutions are there to the given set of equations? (1 point) One solution Two solutions Infinitely many solutions

asked Jan 2, 2018

2 answers

4 votes

127k views

If a ball is thrown straight up into the air with an initial velocity of 40 ft/s, it height in feet after t second is given by y=40t−16t2. Find the average velocity for the time period begining when t=2

asked Oct 11, 2017

2 answers

3 votes

156k views

Page:

Search QAmmunity.org