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2,578 Answered Questions for the topic Maths

10/12/20

Limits and Divergence/Convergence

Question :It is given that lim (an) n->infinity=a.Define bn=(a1+a2+…………+an)/nWhat can you say about the convergence of {bn}?

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Maths Math Probability Mathematics

10/12/20

Direct reasoning and indirect reasoning in math-2 alberta curriculum

A standard deck of 52 cards consists of 4 suits (hearts, clubs, diamonds and spades). If a student deals 3 cards from standard deck, determine the probability to the nearest hundredth, that at... more

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Maths Math Precalculus Trigonometry

10/12/20

(0,5) is on the terminal arm of angle theta in standard position. Calculate sin theta.

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Maths Mathematics

10/10/20

Proof of set theory

How would I go about proving this question:Let A, B, C, D be finite sets with A⊆C and B⊆D. Proof that A×B⊆C×D

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Maths Math Calculus Mathematics

10/10/20

Limit of a Sequence- Epsilon Delta Definition

Let an be a sequence of real numbers such that lim n-->infinity (an)=3.By directly using the definition of the limit of a sequence, show that lim n-->infinity(2an/(2an+3))=2

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Maths Calculus Precalculus

10/09/20

What is wrong with this proof of finite sets?

Let A, B, C, D be finite sets with A⊆C and B⊆D. What is wrong with the following incorrect proof that A×B⊆C×D.Proof:Since A⊆C we have that |A|≤|C|. Since B⊆D we have that|B|≤|D|.We know that... more

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Maths Math Mathematics

10/07/20

Maths - Lower Bounds & Upper Bounds(Real Numbers)

What is the upper bound of the infinite sequence 1/x^2, where xE{R\0}We know that x={1, 1/4, 1/9, 1/16,.....} Since all x here are greater than 0 or less than equal to 1.Can't we take 1 as an upper... more

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Maths Math Geometry Sat Math

10/06/20

Point P is in the interior of ∠NOQ. If m∠NOP = 37° and m∠NOQ = 123°, what is m∠POQ?

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Maths Math Computer Science

10/05/20

Give an algorithm to check whether a given undirected graph has cycles of odd length. The length of a cycle is the number of vertices (or equivalently, the number of edges) in the cycle.

Use Breadth First Search (BFS).

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Maths

10/04/20

Math and History

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Maths

09/30/20

Two more than 4 times a number is -18

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Maths Geometry

09/27/20

Let P = (2,7), B = (6, 11), and M = (5,2). Find a point D that makes ray PB congruent to ray DM. What can you say about quadrilateral PBMD?

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Maths Integral

09/25/20

using integrals find the area of the region bounded by the line 2x-y+2=0, the x-axis and the ordinates x=-3 and x=0

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Maths

09/25/20

Expand the following and simplify where possible. maths question

27 + (6x - 9) - (32 -17) + x - (2x + 1) 27 + (6x - 9 - 32 -17) + (x - 2x + 1) 27 + 6x - (9 - 32 -17 + x) - 2x + 1

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Maths

09/25/20

Algebraic Notation

Write down an algebraic equation for the phrases below.The sum of x and 96 equals half of x: Four times the number m equals 36:

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Maths Geometry

09/25/20

Perimeter and Area

Calculate the internal area of the living room: internal length 5.2minternal width 2.95Select the appropriate unit of measurement:___

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Maths Math Sat Math Act Math

09/23/20

What is the sum of the terms of the geometric sequence 2, 6, 18, 54, ...?

What is the sum of the terms of the geometric sequence 2, 6, 18, 54, ... ?

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Maths Math Calculus Mathematics

09/22/20

Calculus 2 MacLaurin Series

Let F(x) = ∫ (from 0 to x) e-3t^4 dtFind the MacLaurin polynomial of degree 5 for F(x).

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Maths Math Geometry Mathematics

09/22/20

convex quadrilateral problem

Dear Sir or Madam,The lenght of the sides of a convex quadrilateral, in clockwise order,are a,b,c,d. How can I prove that a,b,d, c are consecutive terms of an arthmetich progression,then the... more

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Maths Math Sat Math Act Math

09/22/20

Math Problem "Which subjects are each of them studying?"

Smith, Jones and Browne are part-time students at a college. They each study 2 of the following subjects: English Literature, Physics, Car-mechanics, Chemistry, Math's and French. The following is... more

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Maths Math Calculus Mathematics

09/21/20

Calculus 2 Series

Find the sum of the series ∞ ∑ (-1)n [(x15n)÷(n!)]n=0It will be a function of the variable x

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Maths Math Discrete Math Mathematics

09/21/20

Discrete Math Counting Question

How many 10-digit telephone numbers (that is, length-10 sequences with entries from ) are there for which no two adjacent numbers are both even or both odd?I calculated 14400 from 5! * 5! but this... more

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