Questions by Stanislav Dvoychenko

Questions by Stanislav Dvoychenko

How many moles are in 6.7 x 10^25 molecules of H2SO4

asked Oct 14, 2023

1 answer

3 votes

213k views

Which of the following is NOT a medical use of radiation? Sterilizing Wounds Treating Cancer Scanning the Body (e.g., CT Scans, X-Rays) Destroying Tumors

asked Aug 27, 2023

2 answers

4 votes

149k views

The function h(x) = (x + 6)^8 can be expressed in the form f(g(x)) where f(x) = x ^ 8 and, g(x) is defined below g(x) =

asked Jul 11, 2023

1 answer

4 votes

91.2k views

Find two integers having a product of positive 27 and a sum of negative 12.

asked Mar 13, 2023

1 answer

14 votes

195k views

Find the area of this parallelogram. Be sure to include the correct unit in your answer.

asked Nov 13, 2022

2 answers

1 vote

48.1k views

A box contains 21 marbles of the same size. 7 of the marbles are white, 4 are black, 10 are green. If two of the marbles are randomly selected from the box, what is the probability that the first marble

asked Jun 17, 2022

1 answer

3 votes

186k views

Help me pleaseeeeee help me with all 3 questions Tell me which picture to pick for all 3 questions

asked Apr 17, 2022

1 answer

1 vote

18.2k views

What is the speakers main purpose

asked Apr 6, 2022

1 answer

2 votes

47.9k views

Someone know which company a or b has a greater percent per window???

asked Mar 7, 2022

1 answer

11 votes

57.4k views

Explain the difference between freeform shapes and geometric shapes. Provide one example of how the artist, Roy Liechtenstein, has used each of these artist elements in the piece below entitled, Modern

asked Nov 14, 2021

1 answer

3 votes

79.3k views

Help, please, I’m so confused

asked Oct 26, 2021

2 answers

4 votes

81.6k views

Eric designs a study to examine drink preferences of university freshmen. He is planning to have all of the freshmen who participate in his study drink a cup of coffee then rate their enjoyment of the

asked Oct 24, 2021

1 answer

1 vote

162k views

Simplify the expression: -5 (z - 1) =

asked Aug 4, 2021

2 answers

3 votes

117k views

The number of tornadoes in the Midwest region in a year is modeled as a Poisson random variable with mean 3. Calculate the probability that at least 2 tornados occurred in the period from January 1 to

asked Apr 13, 2021

1 answer

1 vote

62.0k views

________________ is a printmaking technique from the beginning of the 18th Century used for the reproduction of red or brown chalk drawings. a. Chalk c. Charcoal b. Pencil d. Crayon

asked Mar 18, 2021

2 answers

4 votes

129k views

When an object rolls over a surface, the kind of friction that occurs is called round friction A. True B. False

asked Dec 3, 2020

1 answer

0 votes

177k views

Find f(-2) for f(x) = 3 • 2^x

asked Sep 2, 2020

2 answers

3 votes

133k views

A cone and its dimensions are shown in the diagram. What is the volume of the cone in cubic inches?

asked Apr 9, 2020

1 answer

2 votes

45.6k views

Ross chose a card at random from a deck of 52 cards. Ross replaced the card and then chose a second card. What is the probability that Ross chose a club and then the ace of spades?

asked Oct 24, 2019

1 answer

1 vote

41.5k views

Sandra moves 14 m in 2 minutes. What is Sandra’s average velocity (in m/s)?

asked Oct 5, 2019

2 answers

0 votes

142k views

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