Questions by Cheng Zhang

Questions by Cheng Zhang

A box holding pennies, nickels, and dimes contains thirteen coins with a total value of 83 cents. How many coins of each type are in the box? Show work using linear algebra. a) 3 pennies, 5 nickels, 5

asked Dec 4, 2024

1 answer

4 votes

90.2k views

If there was no carbon dioxide in the atmosphere what would happen

asked Nov 3, 2024

2 answers

4 votes

158k views

How is anginal pain relieved with nitrates such as nitroglycerin? A. Reduction of cardiac output B. Vasodilation of coronary arteries C. Peripheral vascular vasodilation D. Reduction in platelet adherence

asked Sep 4, 2024

1 answer

5 votes

37.1k views

which numbers in ℤ35 are relatively prime to 35? enter your answer as a comma separated list of numbers.

asked Aug 8, 2024

1 answer

0 votes

119k views

____ _______ was developed by the USDA to show people how much they should eat from three of the four food groups: vegetables and fruits, grains, and proteins to help people make better food choices

asked Jul 4, 2024

1 answer

0 votes

59.6k views

Use the 2016 tax rate schedules to determine Jeremy's taxes due ______________.

asked May 3, 2024

1 answer

2 votes

87.8k views

The enzyme reverse transcriptase was discovered by? 1) Arber and Smith 2) Jackson, Symons, and Berg 3) Boyer and Cohen 4) Temin and Baltimore

asked Apr 23, 2024

1 answer

4 votes

82.7k views

How to find the SA of a regular pyramid

asked Apr 19, 2024

1 answer

3 votes

150k views

Identify the relationship in the figure. Select all that apply. A) Complementary angles B) Supplementary angles C) Adjacent angles

asked Feb 28, 2024

2 answers

5 votes

1.3k views

Which of the following is a reason someone would not seek medical care? 1. All of the above 2. Cost 3. Cultural, language, and literacy barriers 4. Lack of transportation

asked Jan 13, 2024

1 answer

0 votes

93.2k views

If P(x)=9x and R(x)=9x-4,find P(x)*R(x)

asked Jan 10, 2024

1 answer

1 vote

53.9k views

Need help with History hw. The prompt is asking us to review the cold war and explain how it differed from other wars in the past.

asked Oct 24, 2023

1 answer

20 votes

187k views

Carson measured a line to be 2.2 inches long. If the actual length of the line is 2.3 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

asked Oct 24, 2023

1 answer

4 votes

232k views

I drew this for art class, does it look good?

asked Jul 15, 2023

2 answers

14 votes

127k views

If the mean of p,q,r,s and t is 10. Calculate the mean of p+1, q+2, r+3, s+4 and t+5.

asked Jun 27, 2023

2 answers

5 votes

137k views

Match the diagnostic methods related to the female reproductive system with their descriptions. Pap smear Amniocentesis Mammography Colposcopy use of x-rays to observe breast tissue arrowRight microscopic

asked Apr 10, 2023

1 answer

16 votes

50.0k views

Helppp pleaseee it’s due today pleasee

asked Apr 10, 2023

1 answer

5 votes

234k views

A nurse is preparing a presentation to a local community group on disaster preparedness involving radiation exposure. Which of the following would the nurse least likely include when describing the factors

asked Feb 7, 2023

1 answer

2 votes

140k views

The proofreading mark — means to 3. A. delete B. start a new paragraph C. insert switch order

asked Jan 18, 2023

2 answers

1 vote

119k views

PLEASE HELP!!!!!!! Which terms are like terms in the following expression? 3x + 3xy – 2x + 5y + 5x2 A. 3x and -2x B. 3x, -2x and 5x2 C. 3x, 3xy, -2x and 5y D. All terms are alike.

asked Dec 15, 2022

2 answers

0 votes

135k views

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