Questions by Ivan Vergiliev

Questions by Ivan Vergiliev

A survey estimated the average cost of textbooks for a semester of college is $320 with a margin of error of LaTeX: \pm±8%. What is the range of the possible average cost of text books?

asked Feb 22, 2020

1 answer

4 votes

183k views

TRUE / FALSE The coordinates G(7, 3), H(9, 0), I(5, -1) form a right triangle.

asked Nov 13, 2019

2 answers

5 votes

82.6k views

An unfair coin is flipped. if a head turns up, you win $1. if a tail turns up, you lose $1. the probability of a head is . 63 and the probability of a tail is . 37. let x be the random variable for

asked Oct 5, 2019

2 answers

3 votes

81.9k views

An angle measures 10 degrees more than the measure of a supplementary angle. What is the measure of each angle?

asked Feb 14, 2019

2 answers

3 votes

220k views

Which body systems work together to protect the body from pathogens?

asked Nov 13, 2018

1 answer

1 vote

58.1k views

Find the derivative of f(x) = negative 7 divided by x at x = -3.

asked Oct 23, 2018

2 answers

4 votes

47.7k views

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