Questions by AHmedRef

Questions by AHmedRef

The mercury content of a stream was belived to be above the minimum considered safe ---1 part per billion (ppb) by weight. An analysis indicated that the concentration was 0.68 parts per billion. What

asked Oct 21, 2020

1 answer

3 votes

59.6k views

2 and a half plus 2 and a half

asked Sep 8, 2020

1 answer

4 votes

11.0k views

The line with equation a + 4b = 0 coincides with the terminal side of an angle θ in standard position and cos θ>0 . What is the value of sinθ ?

asked Sep 7, 2019

2 answers

4 votes

70.2k views

How many gallons of a 30% salt solution must be added to 40 gallons of a 12% salt solution to obtain a 20% solution?

asked Aug 7, 2019

1 answer

0 votes

17.7k views

Compare and contrast the arguments for and against women's suffrage in the early 1900s. Include in your analysis of this debate how pro womens' suffrage advocates addressed the criticisms of anti-women's

asked Jan 20, 2019

1 answer

0 votes

213k views

Find the x intercept of the parabola with vertex (4,75) and y intercept (0,27)

asked Mar 18, 2018

1 answer

4 votes

551 views

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