Questions by Pavel Niedoba

Questions by Pavel Niedoba

According to the graph, what is the approximate percentage of high school students who had ever tried e-cigarettes, in 2012? 3% 5% 10% 15%

asked Oct 21, 2023

1 answer

3 votes

65.7k views

Why should a magnesium ribbon be cleaned before burning in air?

asked Sep 21, 2023

1 answer

5 votes

213k views

A boat travels upstream and after one hour has gone 10 km. the boat next travels downstream and after one hour has gone 18km. if the boats speed relative to the water is constant, what is the speed of

asked Sep 13, 2023

1 answer

24 votes

36.5k views

Find the value of x (4x+10) 108° 67° 3x

asked Sep 3, 2023

1 answer

4 votes

25.2k views

Observe the diagram to the right. What do you notice about the orbital paths in our solar system?

asked May 18, 2023

1 answer

18 votes

64.8k views

A car travels 98 miles in 1. 4 hours. How far can it travel in 7 hours at the same speed

asked Mar 5, 2023

1 answer

9 votes

130k views

A) Find the equation of the parabola with vertex (2,5) which also passes through the point (4, -3)

asked Feb 24, 2023

1 answer

5 votes

64.4k views

A baseball card that originally cost $24 has been decreasing in value at an annual rate of 6% for the last 5 years. What is the present value?

asked Dec 26, 2022

1 answer

9 votes

91.9k views

A baseball card that originally cost $24 has been decreasing in value at an annual rate of 6% for the last 5 years. What is the present value?

asked Dec 26, 2022

1 answer

9 votes

91.9k views

A baseball card that originally cost $24 has been decreasing in value at an annual rate of 6% for the last 5 years. What is the present value?

asked Dec 26, 2022

1 answer

9 votes

91.9k views

Using the graph below, if f(x) = 4, find x.

asked Oct 24, 2022

1 answer

0 votes

60.4k views

3. Which country is an example of a presidential democracy? a. United States b. Brazil c. Mexico d. All of the above

asked Aug 18, 2022

1 answer

2 votes

68.0k views

System of equations 3x-y=1 -9x+3y=-3

asked May 14, 2022

1 answer

5 votes

143k views

Lines a and b are parallel Line c is perpendicular to both line a and line 6. Which statement about lines a, b, and c is NOT true?

asked Oct 15, 2021

1 answer

2 votes

175k views

Evaluate the following expression when x = 6 and y = 2: Fraction with x squared plus y cubed in the numerator and 2 plus x in the denominator. 2.25 5.5 17.25 27.5

asked Sep 9, 2021

2 answers

1 vote

40.5k views

What sort of balance does the declaration attempt to strike between the rights and responsibilities of citizens?

asked Sep 4, 2021

1 answer

0 votes

120k views

What is one way Buddhism was able to spread beyond India?

asked Aug 6, 2021

2 answers

5 votes

43.8k views

Which of the following would increase the intensity of the tornado? a. decrease in wind speed b. decrease in condensation c. increased rate of evaporation d. increase of cold air

asked Jul 1, 2021

1 answer

3 votes

207k views

Jose has $178.74 in his checking account. He wrote checks for $36.52, $18.92, and $25.93. He also deposited $300.00, $100.00, and $205.16. What is the final balance in Bob’s checking account?

asked Mar 28, 2021

1 answer

4 votes

50.7k views

Which describes the correlation shown in the scatterplot?

asked Mar 7, 2021

1 answer

3 votes

89.7k views

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