27,265 Answered Questions for the topic algebra 1

Algebra 1

04/09/24

Write an equation of the line that passes through (2,-2) and is perpendicular to y=1/3x-6
I need the answer
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Algebra 1

04/09/24

Write an equation of the line that passes through (2,-2) and is perpendicular to y=1/3x-6
I need the answer
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Algebra 1 Math

04/09/24

Polynomial factorization
How can I completely factorize y8 + 64 ?
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Algebra 1 Math Precalculus

04/09/24

Please help with Polynomial function with remainder
If f(x) = x4 + 5x3 + ax + b, where a and b are constants, and the remainder when f(x) is divided by (x-2) is equal to the remainder when f(x) is divided by (x+1)a) How can I find the value of a.b)... more
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Algebra 1 Math

04/09/24

Please need help with basic Arithmetic Progression
The sum of the first n terms of a series is given by Sn = 2n(n+3). How can I show that the terms of the series form an arithmetic progression and then find the nth term of the series?
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Algebra 1

04/04/24

Algebraic expressions
subtract 3 from c, then divide 8 by the result
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Algebra 1

03/29/24

If you travel at maximum speed of 6 mph upstream with a river current of 2 mph, how far will it travel in 6 hours?
The assignment is on quadratic equations.
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Algebra 1

03/28/24

The length of a rectangle is three times its width. If the perimeter of the rectangle is 72 in, find its length and width.
ead
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Algebra 1

03/28/24

Writing an Inequality
Mr. Chan wants to sell some or all of his stocks in a company. He purchased 80 shares for $0.50 last month and the shares are now worth $4.50 each. Write an inequality which describes how much... more
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Algebra 1

03/27/24

find the 14th term of the arithmetic sequence whsoe common difference is d=-7 and whose first term is a1=2
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Algebra 1 Math Trigonometry

03/25/24

The Royal Company
The Royal Fruit Company produces two types of fruit drinks. The first type is 60%pure fruit juice, and the second type is 75% pure fruit juice. The company is attempting to produce a fruit drink... more
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Algebra 1

03/25/24

I got this question on my assignment, and I have no idea how to solve it. Any idea?
The perimeter, P, of a rectangle is found using the formula P = 2l + 2w, where l is the length of the rectangle and w is the width of the rectangle.Solve the formula for w.
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03/23/24

Linear Algebra NullSpace, Rank
Let A = (a1 a2 a3 a4 a5), where ai is the i-th column of A, for i = 1,..., 5. It is known thata1 = (1 -1 0 0), a3 = (-2 0 1 1), a5 = (-3 3 4 3).Suppose A is row equivalent to R = (1 2 -1 2 -1; 0 1... more
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Algebra 1

03/22/24

What is the cost of the dryer?
A washer and a dryer cost $1010 combined. The washer costs $60 more than the dryer.
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03/22/24

Linear Algebra (Basis)
Given A^T * A = (3 4 0; 4 10 -3; 0 -3 3).(a) Solve the homogenous system Ax = 0. Explain how you derive your answer.(b) Suppose (A^T * A)^-1 * A^T = (3/5 -4/5 0 3/5 1/5; -1/5 3/5 0 -1/5 -2/5; -1/5... more
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03/22/24

Linear Algebra Row/Col Spaces
Let T = { v1 = (2 1 1 3), v2 = (3 2 0 1), v3 = (1 0 2 5), v4 = (-1 -1 1 2) v5 = (3 2 0 0), v6 = (13 8 2 8 ) }(a) Find a linearly independent subset S of T such that span(S) = span(T).(b) Does T... more
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Algebra 1 Math Algebra 2

03/22/24

Linear Algebra ( Subspaces )
Let vector w = (1, 1, 2, -1).W = { u ∈ R^4 | u ⋅ w = 2 }, and V = { u - (1, 0, 1, 1) | for all u ∈ W }.(a) Is W a subspace? Explain your answer.(b) Show that V is a subspace and that T = {... more
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Algebra 1

03/21/24

A ball is launched straight up into the air from the ground with an initial velocity of 80 feet per second. How long will the ball be in the air?

A ball is launched straight up into the air from the ground with an initial velocity of 80 feet per second. How long will the ball be in the air?
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Algebra 1

03/21/24

Find the equation of the axis of symmetry of the following parabola algebraically. y=x 2 −9
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Algebra 1

03/19/24

eric studied for a period of 17.5 hours for a period of 4.5 days how much did he study a day
4.5 is what percentage of 17.5
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Algebra 1

03/18/24

if a1=7 and an=3an-1+3, What is the value of a5
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Algebra 1

03/18/24

The first three terms of a sequence are given. Write your answer as a decimal or whole number. Round to the nearest thousandth (if necessary). 12,18,27. Find the 8th term
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Algebra 1

03/18/24

5^4 over 5 the answer should contain only positive exponents

Simplify the equation
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03/18/24

Linear Algebra Basis/Subspaces Invertibility

Given A^T * A = (3 4 0; 4 10 -3; 0 -3 3).(a) Solve the homogenous system Ax = 0. Explain how you derive your answer.(b) Suppose (A^T * A)^-1 * A^T = (3/5 -4/5 0 3/5 1/5; -1/5 3/5 0 -1/5 -2/5; -1/5... more
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03/18/24

Linear Algebra Subsets/Row/Column Spaces
Let T = { v1 = (2 1 1 3), v2 = (3 2 0 1), v3 = (1 0 2 5), v4 = (-1 -1 1 2) v5 = (3 2 0 0), v6 = (13 8 2 8 ) } (a) Find a linearly independent subset S of T such that span(S) = span(T).(b) Does T... more
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