6,938 Answered Questions for the topic mathematics

Mathematics Math Probability

04/28/21

Probabilty question

30 students participated in a survey. 9 students stated they took French, 14 students stated they took Spanish, and 7 students stated they took both. To the nearest two decimals, what is the... more
Mathematics Math Algebra 1 Prealgebra

04/28/21

please help with this Q; For a particular species of monkey...

4.For a particular species of monkey, the odds against a monkey being born with either grey furor black eyes are 2:3. The probability of a money exhibiting only one of these traits is equal andthe... more
Mathematics Math Algebra 1 Algebra 2

04/28/21

probability question, please help with explanation

1.two green tiles, one red tile, and a blue tileare put into a paper bag.a) What is the probability that a green tile is drawn, followed by a blue tile, assuming the first tile is replaced before... more

04/28/21

Please help with this probability Q

Ally is a contestant on a TV gameshow called Win a Million. Each timeshe answers a multiple-choice questioncorrectly, she wins money. If she picks awrong answer, she is eliminated. If Ally doesnot... more

04/28/21

probability question

1.two green tiles, one red tile, and a blue tileare put into a paper bag.a) What is the probability that a green tile is drawn, followed by a blue tile, assuming the first tile is replaced before... more
Mathematics Math Algebra 1 Algebra 2

04/27/21

What algebraic expression matches this graph?

Mathematics Math Algebra 1 Algebra 2

04/27/21

What algebraic expression matches this graph?

Mathematics Math Algebra 1 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
Mathematics Math Prealgebra Statistics

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
Mathematics Math Algebra 1 Prealgebra

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
Mathematics Math Algebra 1 Prealgebra

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
Mathematics

04/27/21

Rewrite −x^−6 with a positive exponent. Assume x is not equal to zero.

Mathematics Middle School

04/27/21

Math I need help

Leo had twice as many stickers as John at first. Leo gave away three times as many stickers as John. John was left with 10 fewer than the number of stickers he gave away. Leo had 15 stickers in the... more

04/27/21

Find the present value of an ordinary annuity which has payments of​ $1200 per year for 18 years at 6​% compounded annually. ​(Round to the nearest​ cent.)

Find the present value of an ordinary annuity which has payments of​ $1200 per year for 18 years at 6​% compounded annually. ​(Round to the nearest​ cent.)
Mathematics Calculus Discrete Math

04/27/21

(n+1)^3 >= 3^n for n in N, n<=4

Proof by Exhaustion is proving that something is true by showing that it is true for each and every case considered. Using this method (sometimes also called Proof by Cases) prove the... more

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
Mathematics Math Algebra 1 Calculus

04/27/21

needing good explanation I don't get it PLEASE HELP ME

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
Mathematics Math Maths

04/26/21

Math Question: What is 1 + 1?

Math Question: What is 1 + 1? Could you please explain this? Thanks!

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?

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?
Mathematics Math Prealgebra Statistics

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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