6,938 Answered Questions for the topic mathematics

Mathematics Math Geometry Physics

05/05/21

explanation needed to solve this
Linda wants to ride the Ferris wheel, the roller coaster, and the log ride. The Ferris wheel costs 6 tickets, the roller coaster costs 4 tickets and the log ride costs 5 tickets. Linda has 4... more
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Mathematics Math Algebra 1 Algebra 2

05/05/21

Good Explanation needed!( how do i solve this ???)
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Mathematics Probability

05/05/21

Probability for 6 and 11 sets
2 sets formulasP(A∪B)=P(A)+P(B)−P(A∩B)3 sets formula P(A ∪ B ∪ C) = P(A) + P(B) + P(C) − P(A ∩ B) − P(A ∩ C) − P(B ∩ C) + P(A ∩ B ∩ C).4 sets formulaP (A U B U C U D) = P(A) + P(B) + P(C) +P(D) -... more
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Mathematics

05/05/21

A polygon has the following coordinates: A(1,-1), B(-4,-1), C(-4,3), D(1,3). Find the length of CD.
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Mathematics Math Algebra 1 Algebra 2

05/05/21

Word Problem Help
1.Question:Amy is shelving books in a display in the school library. She has4 comic books, 7 horror, & 6 detective and mystery. how many ways can she arrange the books on the shelf for shelf?... more
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Mathematics Precalculus

05/04/21

Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.)

tan(𝜃) − 3 cot(𝜃) = 0
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Mathematics Precalculus

05/04/21

Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.)
2 sin2(𝜃) − cos(𝜃) = 1How can this be solved?
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Mathematics Math Algebra 1 Prealgebra

05/04/21

permutation Question help

1.question:if no digit can be repeated, how many numbers can be made fromthe digits 2, 3,4,&5 ?(would it be 3,628,800?)
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Mathematics

05/04/21

What is the length of a rectangle if the perimeter is 65 inches?
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05/04/21

permutation question help

Question:what are the different number of ways would a cameramanarrange/pose a row of 6 peoplewithout the tallest person standing next to the shortest?would it be 240? (5x2=10, there are 4!, so... more
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Mathematics Math Sat Math Act Math

05/04/21

I NEED A GOOD EXPERT
This is a homework sheet and I have little idea on where to startCreate a graph showing the speed of the milluniem falcon. Time (x: hours) Distance (y: light... more
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Mathematics Math Algebra 1 Prealgebra

05/04/21

permutations help!
1.how many 4digit numbers can be formed witha) repetition and b) without it
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Mathematics Math Algebra 1 Algebra 2

05/04/21

Please Help! Solve the following

Solve for n, n E (supposed to be cursive e) Wa) (n+1)! / n! = 9b) n! / (n-2)! = 20c) 3(n+1)! / (n-1)! = 126d) 2n! / (n-3)! = 84nSteps and explanation would be very helpful!
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Mathematics

05/04/21

Mathematics ( Savvas Question )
​Together, teammates Pedro and Ricky got 2681 base hits last season. Pedro had 283 more hits than Ricky. How many hits did each player​ have?
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Mathematics

05/04/21

Mathematics( Savvas Question)
Swimming Pool On a certain hot​ summer's day, 449 people used the public swimming pool. The daily prices are $1.25 for children and $2.25 for adults. The receipts for admission totaled $807.25.How... more
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Mathematics Discrete Math

05/04/21

Solve using set theory

In a group of students, 70 have a personal computers, 120 have a personal stereo and 41 have both. How many own at least one of these devices? Draw an appropriate Venn diagram.
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Mathematics Discrete Mathematics

05/04/21

Define characteristic function and prove that:
Define characteristic function and prove that:(i) f A'(x) = 1 – f A(x)(ii) f AUB = f A(x) + f B(x) – f A(x) .f B(x)
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Mathematics Math Algebra 1 Prealgebra

05/04/21

Question: The six members of the student council...
1.The six members of the student councilexecutive are lined up for a yearbook photo.c) In how many ways could this be done ifthe president and vice president must sittogether in the middle of the... more
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Mathematics Math Algebra 1 Prealgebra

05/04/21

Permutation Problem
a) How many 10-digit numbers are therewith no digits repeated?b) How many 7-digit numbers are therewith no digits repeated?
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Mathematics Math Algebra 1 Prealgebra

05/04/21

Permutations Help
A salesperson needs to visit 15different offices during the week.c) In how many ways could she visit threedifferent offices each day from Mondayto Friday?I thought of it as 1st day 15x14x13, 2nd... more
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Mathematics Math Probability

05/04/21

To the nearest two decimals, what is the probability of Renal Disease given Negative Test Results
truth positive negative total--------------------------------------------------------------------------------renal disease 44 ... more
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Mathematics Math Probability

05/04/21

Rounded to the two decimals, determine P(Sophomore | Off-Campus).
Imagine a diagram. In the left circle, it's labeled 0.22 for sophomores. In the right circle its labeled 0.10 for off-campus. In the middle circle it's labeled 0.06i asked this question before and... more
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Mathematics Math Algebra 1 Prealgebra

05/04/21

Write in factorial form.
d) 8x7x6x5Please show all steps
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Mathematics Math Algebra 1 Algebra 2

05/04/21

Permutations Question Help!
1.How many numbers greater than 300,000 are there using only the digits 1,1,1,2,2,3?How would do this question, please explain with additional steps.
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Mathematics Math Algebra 1 Algebra 2

05/04/21

Permutations Problem
Daisy is shelving books in a display in the school library.She has four different books with three copies of each. In how many ways can he arrange the books on the shelf for display? Please Explain... more
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