Questions by Mike Ohlsen

Questions by Mike Ohlsen

A parabola has its vertex at (2, 2), and the equation of its directrix is y = 2.5. The equation that represents the parabola is .

asked Mar 28, 2018

2 answers

4 votes

133k views

For large parties, a restaurant adds a 15% service charge to the bill. how much would be added to a bill of $638.40?

asked Mar 16, 2018

2 answers

1 vote

82.2k views

If 5 times a number n is subtracted from 15 the results is negative. Which of the following gives the possible values for n

asked Jul 1, 2017

1 answer

1 vote

104k views

A hot iron ball of mass 200 g is cooled to a temperature of 22°C. 6.9 kJ of heat is lost to the surroundings during the process. What was the initial temperature of the ball? (ciron = 0.444 J/g°C) A) 23°C

asked Jun 28, 2017

2 answers

4 votes

143k views

Help with an english question please? thanks

asked Jun 28, 2017

2 answers

1 vote

197k views

Given that x=1.5 is the only solution to the equation 4x^2 - ax + b = 0, find the values of a and b. Show all workings. Answer: a = 12, b = 9

asked Jan 12, 2017

1 answer

5 votes

18.3k views

What was rome's 200 years of peace and prosperity called?

asked Sep 27, 2016

1 answer

4 votes

95.5k views

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