6,938 Answered Questions for the topic mathematics

Mathematics Math Calculus Geometry

08/15/21

Consider the planes given by the equations
Consider the planes given by the equations −(x+2y+4z)=1, 4x+2y+z=7.(a) Find a vector v-> parallel to the line of intersection of the planes.v-> =... more
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08/15/21

The question is about probability and about actuarial statistics
The question has 3 parts -Question- In a class of 92 students probability of you getting to the top is half of any other student. What is the probability of you getting to the top ?These 92... more
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Mathematics Math Calculus Geometry

08/15/21

Find a vectors perpendicular and parallel to the plane.
(a) Find a vector n-> perpendicular to the plane z=7x+8y. n-> =(b) Find a vector v-> parallel to the plane. v->=
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Mathematics Math Geometry Sat Math

08/15/21

Suppose a line is given by the system of equations
Suppose a line is given by the system of equationsx=4−5t,y=4t−5,z=−3−4t.Then the vector and point that were used to define this line werev- =p =
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Mathematics Math Calculus Geometry

08/15/21

find the following cross products.
If a=⟨1,2,1⟩ and b=⟨5,11,1⟩, find the following cross products.1. a×b= 2. b×a=
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Mathematics Sat Math

08/15/21

1. A printer costs a price of Birr 1,600 for printing 300 copies of a report and Birr 3500 for printing 600 copies. Assuming a linear relationship, what would be the price for printing 300 copies?
answer only even number
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Mathematics Math Algebra

08/15/21

How do I solve 4/e-3=5
Please help. How do I solve 4/e-3=5
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Mathematics Math Algebra

08/14/21

Simplify (2x+3)^2 - (2x +3)(x-5). Give your answer in the form ax^2 +bx +c
Simplify (2x+3)^2 - (2x +3)(x-5). Give your answer in the form ax^2 +bx +c. How do I do this?
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Mathematics Math Algebra

08/14/21

How to simplify fully (2x+3)^2-(2x-3)^2?
simplify fully (2x+3)^2-(2x-3)^2
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Mathematics Math Calculus Geometry

08/13/21

Find the point at which the line
Find the point at which the line ⟨1,−2,1⟩ + t⟨−1,5,1⟩ intersects the plane −x−4y−z=−74.( , , )
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Mathematics Math Calculus Geometry

08/13/21

Vectors and the Geometry of Space
Find an equation of the plane consisting of all points that are equidistant from (3, -3, 5) and (3, 0, 1).
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Mathematics Math Calculus Geometry

08/13/21

Find an equation of the plane parallel to the plane
Find an equation of the plane parallel to the plane 9x−8y−9z=−6which passes through the point (-4, 2, -9).Give your answer in the form ax+by+cz=d (with a=9).a =b =c =d =
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Mathematics Math Functions

08/13/21

Formulate a function rule for the total cost C(x)

Elaine broke stereotyping by becoming an auto mechanic. For home services, she charges a base fee of₱500.00 for each visit and ₱360.00 per hour of her labor. Formulate a function rule for the total... more
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Mathematics

08/13/21

Financial literacy

I don't know how to work out this problem. What is the share of 3/8 of $76000?
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Mathematics Math Calculus Geometry

08/12/21

Vectors and the Geometry of Space
Find an equation of the plane through the point (4, 0, 1) and parallel to the plane −1x−1y+3z=5.x + y + z =
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Mathematics Math Calculus Geometry

08/11/21

Partial Derivatives
Find the point(s) on the surface z2=xy+1 which are closest to the point (7, 11, 0).List points as a comma-separated list, (e.g., (1,1,-1), (2, 0, -1), (2,0, 3))
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Mathematics Math Calculus Geometry

08/11/21

Partial Derivatives
Design a rectangular milk carton box of width w, length l, and height h which holds 516 cm3 of milk. The sides of the box cost 3 cent/cm2 and the top and bottom cost 5 cent/cm22. Find the... more
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Mathematics Math Calculus Geometry

08/11/21

Partial Derivatives
Find the partial derivatives indicated Assume the variables are restricted to a domain on which the function is defined. z=x7+5y+xyzx= zy=
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Mathematics

08/11/21

Fractions Subtraction
7/8 – 1/16 – 1/8 – 1/4 – 1/2 =
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Mathematics

08/11/21

Decimal addition, multiplication and division

2.2 + 3.25 + 5 + 7.555 X .10 ÷ .50 =
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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
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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?
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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
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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
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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.
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