Questions by Zck

Questions by Zck

There are 20 pens in a package. Ten of the pens are black, 8 are blue, and the rest are red. Which ratio represents the number of red pens to black pens? 1/10 1/5 4/5 5/1

asked Oct 16, 2020

1 answer

3 votes

30.2k views

A single slit diffraction pattern is formed on a distant screen. Assuming the angles involved are small, by what factor will the width of the central bright spot on the screen change if (a) the wavelength

asked May 23, 2020

1 answer

2 votes

72.8k views

Genetically engineered human insulin is used to treat which disease

asked Oct 10, 2019

2 answers

5 votes

65.8k views

Rockefeller believed his success was the idea of " Survival of the fittest " ( social darwinism) how did this idea help him? What problems came from it?

asked Sep 20, 2019

1 answer

5 votes

224k views

Hey! Can someone help me with this question? Thanks! Fill in the blank with the correct direct object pronoun, based on the word in parentheses, that best complete this sentence: Mis amigos y yo _______

asked Jun 23, 2019

1 answer

1 vote

96.0k views

Evaluate how successful the Marshall Plan and NATO were in stopping communist aggression/expansion in Europe during the Cold War. Use complete sentences in your response.

asked May 15, 2019

1 answer

2 votes

59.3k views

The College Board uses all these formats for AP exams except: A. essay B. short essay. C. interview. D. multiple-choice.

asked Jan 21, 2019

2 answers

1 vote

141k views

What is it the term for asterisk (*) being used to replace a letter or group of letters?

asked Dec 6, 2018

1 answer

2 votes

87.8k views

Valeriya wants to determine the likely voting outcome for the new town council election. Which sample is likely to yield the most biased results? A. every tenth person working for the largest corporation

asked Dec 3, 2018

2 answers

1 vote

106k views

In addition to providing a narrative, what do the best autobiographies also do? A. illuminate a personal experience B. persuade the audience to a particular position C. provide detailed instructions for

asked Aug 26, 2018

2 answers

1 vote

7.8k views

The newest element of capital-intensive politics is the use of ________ to communicate directly with likely voters.

asked Aug 25, 2018

1 answer

0 votes

166k views

Assume running consumes 107 Calories per mile. If you run 11-minute miles, what is your average power output, in watts, during a 11-hour run

asked Mar 9, 2018

1 answer

2 votes

182k views

What is 27.38 rounded to the nearest wholenumber?

asked Nov 6, 2017

1 answer

4 votes

158k views

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