4,511 Answered Questions for the topic prealgebra

04/27/21

Dependent and Independent Probability Question, please help.
1.Brian has examinations coming up in calculus and biology. He estimates that his odds in favour of passing the calculus examination are 17:3 and his odds against passing the biology examination... more
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04/27/21

Probability Question; There are two tests for a particular antibody.
There are two tests for a particular antibody. Test A gives a correct result 95% of the time. Test B is accurate 89% of the time. If a patient is given both tests, find the probability thata) both... more
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Prealgebra Math Algebra 1 Algebra

04/27/21

Which equation best represents the area of a rectangle Width:x and Length:x+2 my thought process in description
well Area=Lw so x(x+2) which would be x2 +2x? i think i dont know the answer choices are: 2x+2 x(x+2) x2+4x x2+(x+2)2
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Prealgebra Math Algebra 1 Algebra

04/27/21

three times a number less than six---math word problem
three times a number that is obviously 3x but then the less than six im not sure about im pretty sure "than" is a turnaround word which means that the number is written after the variable but im... more
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04/27/21

probability question help (Independent and dependent Events)
A bag contains 2 apples, 1 orange, and 2 peaches. Mark reaches in and choose a piece of fruit at random and then selects another without replacing it. What is the probability that he selects two... more
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04/26/21

probability question
A bag contains 2 apples, 1 orange, and 2 peaches. Mark reaches in and choose a piece of fruit at random and then selects another without replacing it. What is the probability that he selects two... more
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04/26/21

probability question help
A die is rolled and a card is taken from a deck. What is the probability that a 5 is rolled anda 5 is taken from the deck?
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04/26/21

Thinking Probability Question
1.Marie is playing a board game andcan win if she rolls a sum of either 6 or 8 ordoubles with a standard pair of dice. Whatare the odds against Marie winning on agiven throw?
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04/26/21

question: refer to the euchre deck of cards.
Refer to the euchre deck of cards. (24 cards) 4 aces, 4 kings, 4 queens, 4 jacks, 4 ten's, 4 nines.a) What is the probability of randomly drawingan ace or a king from a euchre deck of cards?correct... more
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04/26/21

Probability Word Problem - NON-ME & ME
For a particular species of cat, the odds against a kitten being born with either blue eyes or white spots are 3:1. If the probability of a kitten exhibiting only one of these traits is equal and... more
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04/26/21

Question, state whether each pair of events is mutually exclusive or non-mutually exclusive and explain why.
Question, state whether each pair of events is mutually exclusive or non-mutually exclusive and explain why.a) Event A = Your birthday falling on a Saturday next year. Event B = Your birthday... more
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04/26/21

Probability Question
For a particular species of cat, the odds against a kitten being born with either blue eyes or white spots are 3:1. If the probability of a kitten exhibiting only one of these traits is equal and... more
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Prealgebra

04/26/21

150 pounds of sugar were packed into 45 bags: some of 2lbs and some 5lbs. How many bags of each weight should there be?
we are supposed to use variables to solve this
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Prealgebra Math

04/26/21

A trader bought 10 bottles of red and white wine and paid 230. The white whine costs 20 per bottle and the red costs 25 per bottle. how many bottles of each kind did the trader buy?
I think this is a multi-step problem but I'm not sure how to put the variables.
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04/25/21

probability question
A market-research firm monitored 1000 television viewers, consisting of 800 adults and 200 children, to evaluate a new comedy series that aired for the first time last week. Research indicated that... more
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04/25/21

Question, state whether each pair of events is mutually exclusive or non-mutually exclusive and explain why.
Question, state whether each pair of events is mutually exclusive or non-mutually exclusive and explain why. a) Event A = Your birthday falling on a Saturday next year. Event B = Your... more
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Expert Answers •1

04/25/21

Probability- Odds Question
A confident and boastful coach claims that on the next league game the odds of her team winning are 3:1; the odds against losing are 5:1; and the odds against a tie are 7:1. Can these odds be... more
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04/25/21

Three cards are taken out of a deck.
1.Three cards are taken out of a deck. What is the probability that the third card is a redface card or a king given the first is the king of hearts and the second is the queen ofdiamonds? Please... more
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04/25/21

Question; Determine the probability of...
Determine the probability of choosing a heart or a ten in a deck of cards. Show all steps please, thank you.
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04/25/21

Probability Odds Question Two
1.Chelsea is trying out for her school play.Using subjective probability, she estimatesthat she has an 80% chance of getting a partand a 25% probability of landing a lead role.a) What are the odds... more
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04/25/21

Probability- Odds Question
A confident and boastful coach claims that on the next league game the odds of her team winning are 3:1; the odds against losing are 5:1; and the odds against a tie are 7:1. Can these odds be... more
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Expert Answers •1

04/25/21

Given; (odds against A) = 5:4, Find P(A).
Given; (odds against A) = 5:4, Find P(A).would the answer be 5/9?I did P(A) = h/k+h, odds in favour = 5 (h):4 (k) -> P(A) = 5/4+5 = 5/9, but it said the answer is 4/9 and I don't understand why... more
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04/24/21

Given; (odds against A) = 5:4, Find P(A).

Given; (odds against A) = 5:4, Find P(A).would the answer be 5/9?I did P(A) = h/k+h, odds in favour = 5 (h):4 (k) -> P(A) = 5/4+5 = 5/9, but it said the answer is 4/9 and I don't understand why... more
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04/24/21

Question; Use a tree diagram to illustrate the possible outcomes for a couple having 4 children...
Please Help, thank you so much.     Use a tree diagram to illustrate the possible outcomes for a couple having 4 children, assuming that the probability of having a boy equals the probability of... more
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04/24/21

precalculus hw need help its due soon!
The fox population in a certain region has a continuous growth rate of 7 percent per year. It is estimated that the population in the year 2000 was 15000.(a) Find a function that models the... more
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