1,642 Answered Questions for the topic Math Help For College
04/19/15
the price of a car is increasing by 3.5% this year the price is $18,295. find the increase and the new price.
a car manufacturer announced that next year the price of a certain model car would increase by 3.5%. this year the price is $18,295. find the increase and the new price.
04/19/15
The governor of state A earns 53,355 more than the governor of state B. If combined they make 305,285, what are the salaries of each?
Governor of state A earns $53,355 more than Governor of state B.
Combined salaries make $305,285.
How much does Governor A and Governor B make?
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04/19/15
find an equation of the line with m=3/2, (5,-3) write the equation in the form Ax+By=C. Show Work.
find an equation of the line with the given slope that passes through the given point. write the equation in the form Ax+By=C. Show work.
m=3/2, (5, -3)
04/15/15
(1) What is the probability that she remembers to bring her briefcase every day in one week (5 days)?
about the professor who sometimes forgets to bring her briefcase to the office, but assume that, each day, the probability that she forgets the briefcase is 1/6. Assume that her forgetting is a...
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04/15/15
What is the probability that at least one mouse is female, given that exactly one is gray?
Assume that you have 10 mice in the cage: 4 white males, 3 gray females, and 3 gray males. Two mice are selected simultaneously and at random, and their colors are noted.What is the probability...
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04/15/15
What is the probability that both balls are red given that the first ball you drew was red?
Assume that each bag contains 5 balls. Bag a contains 3 red and 2 white, while bag b contains 1 red, 3 white, and 1 blue. You randomly select one ball from bag a, note the color, and place the ball...
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04/15/15
What is the probability that at least one inspector will find a defective widget?
Assume that the box contains 2 defective widgets and 10 acceptable widgets. There are 4 inspectors, each of whom selects a widget from the box at random, inspects it, and then replaces it in the...
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Math Help For College Math
04/14/15
Find the coefficient of x^6 in the expansion of (2x+1)^12
Find the coefficient of x^6 in the expansion of (2x+1)^12
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04/14/15
Given the geometric sequence: 9, 3, 1, ... . Find S6
Given the geometric sequence: 9, 3, 1, ... . Find S6
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Given matrices find A - 2B and etc
A= [1 -2]
[-4 0]
B= [0 1 0]
[-3 2 1]
C=[-1 -1]
[0 -2]
(the brackets are actually suppose to be connected for each one)
(a) Find A - 2B =Answer: First row=? ...
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04/10/15
What is the probability that the student attends at least one class on Monday?
involving a student's attendance at math and accounting classes on Mondays. Assume that the student attends math class with probability 0.65, skips accounting class with probability 0.25, and...
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04/10/15
What is the probability that the Toyota leaves first?
Assume that there are 8 cars: 2 Chevrolets, 5 Fords, and 1 Toyota. Two cars leave at random, one after the other. Draw a tree diagram and use it to answer the following questions.(1) What is the...
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04/10/15
What is the probability of getting exactly 4 correct answers?
about a multiple-choice test in which each question has 4 choices only one of which is correct. Assume that 9 questions are answered by guessing randomly.What is the probability of getting exactly...
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04/10/15
What is the probability that the business makes a profit in exactly two of its first three years?
Assume that the business makes a profit with probability 0.3 in the first year. For each year thereafter, the business makes a profit with probability 0.6 if it made a profit in the previous year,...
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Math Help For College Math
04/08/15
tan X = cot x
please help me out with this question please
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04/08/15
Compute the following conditional probabilities
about independent events A and B in a sample space S, but assume that Pr[A] = 0.25 and Pr[B] = 0.3. Compute the following conditional probabilities: (1) Pr[A | B] = (2) Pr[B | A] =
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04/08/15
(1) What is Pr[B] if A and B are independent events? (2) What is Pr[B] if A and B are disjoint events?
For this problem, assume that Pr[A ∪B] = 0.6 and Pr[A] = 0.35.(1) What is Pr[B] if A and B are independent events? (2) What is Pr[B] if A and B are disjoint events?
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04/08/15
Compute the following conditional probabilities
independent events E and F in a sample space S, but assume that Pr[E] = 0.4 and Pr[F] = 0.15. Compute the following conditional probabilities: (1) Pr[E′| F] = (2) Pr[E | F′] =
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04/08/15
Find the associated weights for each outcome.
involving weights of outcomes in a sample space S = { O1, O2, O3, O4 }. Assume that Pr[ { O1, O2 } ] = 0.51, Pr[ { O1, O3 } ] = 0.56, and Pr[ { O1, O2, O3 } ] = 0.77. Find the associated weights...
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04/08/15
Determine the probability of the following events
Assume that your sample space is S = { O1, O2, O3, O4, O5 } with associated weights (probabilities) w1 = 0.15, w2 = 0.30, w3 = 0.20, w4 = 0.10, and w5 = 0.25. Determine the probability of the...
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04/06/15
What is the probability of getting exactly 4 correct answers?
a multiple-choice test in which each question has 4 choices only one of which is correct. Assume that 7 questions are answered by guessing randomly.What is the probability of getting exactly 4...
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04/06/15
What is the probability of at least 6 correct answers?
Assume that 8 questions are answered by guessing.What is the probability of at least 6 correct answers?
04/06/15
find how many quarters and dimes there
a parking meter contains quarters and dimes worth $9.50. there are 62 coins in all. find how many of each there are.
how many quarters there are
_ quarters
how many dimes there are
_ dimes
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04/06/15
Find how many of each there are?
A Parking meter contains dimes and nickles worth $4.75. There are 71 coins in all. Find how many of each there are?
How many dimes are there?
__dimes.
How many nickles are there?
___ nickles
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