5,655 Answered Questions for the topic mathematics

Mathematics

08/11/21

UNKNOWN MATH PROBLEM

I have the following math problem with the following answers that I could pick from and I have no idea how to solve it, there was no other instructions but the following numbers. How would I solve... more
Mathematics

08/11/21

HOW MUCH SAVINGS IF PAPER WASTE IS ELIMINATED

Paper Waste is 1/15 out of 1,000 reams of paper (each ream has 500 pieces and costs $1.25 per ream). How much savings will you have if the paper waste is totally eliminated?

08/11/21

Discrete Math (Urgent)

Question : Suppose that A and B are finite sets. Prove that A × B is finite.Book : Set Theory (0th)-CunninghamChapter 5.1 and problem number 20 and page no. 116

08/11/21

Discrete Math (Urgent)

Question : Suppose that f : A → B is onto B where A is finite. Prove that B is finite.Book :... more

08/11/21

Discrete Math (Urgent)

Let A be a finite set. Prove that there exists an f : n → A that is onto A for some n ∈ ω.

08/11/21

Discrete Math Question (Urgent)

Let n ∈ ω. Suppose that f : n → A is onto A. Prove that A is finite.

08/10/21

Pattern Practice, College Mathematics

X, 2X + 11 and 4X - 3 are consecutive terms of an arithmetic sequence. Find the constant difference between terms. Give a formula for finding the nth term of the sequence. Use your formula to find... more
Mathematics

08/10/21

LENGTH OF WEEKS INCREASE/DECREASE?

Your unit has 80 Employees and enough supplies that will last for 10 weeks for those employees. However, management just decreased your unit to 70 employees and left the same 10 week amount of... more
Mathematics Math Precalculus Sat Math

08/10/21

Need help its urgent

Determine the following about each graph: a) is the graph a function? b) is the inverse of the graph a function? c) is the graph a one-to-one function?. . 
Mathematics Math Calculus Geometry

08/09/21

Equations of Lines and Planes

If the line L is given by x= 2+ 3t , y=1- 2t , z= t, then it could also be written in symmetric form as(x-2)/6 = (y-1)/ = z/
Mathematics Math Calculus Geometry

08/09/21

Vectors and the Geometry of Space

Find the distance of the point (4,6,−4) from the line r(t)=⟨−1+3t,1+3t,5−3t⟩.Answer:
Mathematics Math Calculus Geometry

08/09/21

Vectors and the Geometry of Space

Find the distance from the point (-1, -4, 0) to the plane −3x −y + 3z =3
Mathematics Math Calculus Geometry

08/09/21

Vectors and the Geometry of Space

Let a=(3,3,6) and b=(9,2,1) be vectors.Compute the cross product a×b.a×b = ( , , )
Mathematics Math Calculus Geometry

08/09/21

Vectors and the Geometry of Space

Let a=(−5,0,1) and b=(5,−8,3) be vectors.(A) Find the scalar projection of b onto a.Scalar Projection: (B) Decompose the vector b into a component parallel to a and a component orthogonal to... more
Mathematics Math Calculus Geometry

08/09/21

Vectors and the Geometry of Space

Determine whether the given vectors are orthogonal, parallel, or neither.1. v=⟨1, 2,−1⟩ and w=⟨−10,−20,10⟩. 2. v=⟨5, 10,14⟩ and w=⟨10,−5,0⟩. 3. v=⟨10, 20,−30⟩ and w=⟨−30,20,10⟩.
Mathematics Math Calculus Geometry

08/09/21

Vectors and the Geometry of Space

Find a unit vector in the same direction as a=(8,10,4).
Mathematics Math Calculus Geometry

08/09/21

Vectors and the Geometry of Space

Two forces, represented by the vectors F1 =8i +4j and F2 =−2i +5j , are acting on an object. Give a vector F3 representing the force that must be applied to the object if it is to remain... more
Mathematics Math Calculus Geometry

08/09/21

Vectors and the Geometry of Space

Let a=(−2,−10,−2) and b=(8,−3,4) be vectors. Compute the following vectors. A) a+b = ( , , ) B) 7a = ( , , ) C) a-b = ( , , ) D) |a| =
Mathematics Probability

08/09/21

Help with Permutation and combination question!

You have 10 concert tickets of EDM and 7 concert tickets of classical singer . What is the total number of ways in which tickets can be given to three person if they may receive any number of... more
Mathematics

08/02/21

If x is 30°, verify: Sin 2 x= 2 tan x/ 1+ tan²x​ without using tables.

Mathematics Math

08/01/21

Help with math please

A book sold 31,500 copies in its first month of release. Suppose this represents 8.9% of the number of copies sold to date. How many copies have been sold to date? Round your answer to the nearest... more
Mathematics Math Sat Math

07/31/21

Help with math please. Long question.

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $23 monthly fee and charges an additional $0.11 for each minute of calls. The second... more
Mathematics Math Sat Math

07/31/21

MATH! Money problem

A garden table and a bench cost $450 combined. The cost of the garden table is two times the cost of the bench. What is the cost of the bench?
Mathematics Math Sat Math

07/31/21

HELP Math difficult

The circumference of a circular garden is 106.76 feet. What is the radius of the garden? Use 3.14 for π and do not round your answer.

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