1,975 Answered Questions for the topic linear algebra

Linear Algebra

07/05/20

The sum of two numbers is 36. If the second number is four more than three times the first, find the numbers
The sum of two numbers is 36. If the second number is four more than three timesthe first, find the numbers
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Linear Algebra Algebra 1

06/27/20

Solve application problems using linear systems.
A gift basket maker incurs the cost for a basket according to C = 10x + 713. If the revenue for the baskets is R = 33x where x is the number of baskets made and sold. Break even occurs when costs =... more
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Linear Algebra Algebra 1 Algebra 2

06/27/20

Solve application problems using single variable linear inequalities.
A local salesman receives a base salary of $950 monthly. He also receives a commission of 6% on all sales over $1700. How much would he have to sell in a month if he needed to have a monthly income... more
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Linear Algebra Algebra 1 Algebra 2

06/27/20

Solve application problems using single variable linear inequalities.
If a certain city had a record low for the year of -25 degrees Celsius, and a record high of 53 degrees Celsius, find the temperatures in degrees Fahrenheit.C = 5(F - 32) / 9
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Linear Algebra Algebra 1 Algebra 2

06/27/20

Compound inequalities
6 ≤ -4x + 6 < 14Solve. Give your answer in interval notation.
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Linear Algebra Algebra 1 Algebra 2

06/27/20

Compound inequalities
The inequality 2x + 3 ≤ x + 10 ≤ 3x + 3 means that x is in the closed interval [A, B] where A is and B is:
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Linear Algebra Algebra 1 Algebra 2

06/27/20

Solve application problems using single variable linear equations.
Landon is 6 years older than Alexandra. In 8 years the sum of their ages will be 56. How old is Landon now?
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Linear Algebra

06/20/20

linear modeling
the population of spring city was 15,000 in 1990, and 7250 in 2000. Create a linear equation to represent this situation. According to your equation, what will the population be in the year 2006?
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Linear Algebra Algebra 1 Algebra 2 Algebra

06/18/20

Up down graphing
Starting with the graph of 𝑦 = √\root(3)(x), give theresulting equation with the same shape thatwould shift it 3 to the right then down 2.Show your work
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Linear Algebra

06/17/20

A class is made up of boys 8 and 4 girls. Half of the girls wear glasses. A student is selected at random from the class. What is the probability that the student is a girl with glasses?
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Linear Algebra Linear Equations

06/16/20

Application of linear inequalities

For his mobile phone service, John pays a monthly fee of $40 plus $15 for each 1 GB of data (rounded up) over his 8 GB of data that comes with his plan. For his monthly charge before taxes to be at... more
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Linear Algebra Math

06/07/20

T: IR2 -> IR2, T(ax² + bx + c) = 4c + (2c - 3b)x + (2x + b + c)x² . What are the eigenvalues and eigenvectors of T?
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Linear Algebra

05/27/20

True Or False???
a) If four vectors span R 4 ; then they must form a basis of R 4 ...... b) Four vectors in R 3 must be linearly independent...... c) Two nonzero vectors are linearly independent if one is not... more
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Linear Algebra

05/26/20

Linear algebra odd question
Can you settle four pencils such that they are perpendicular to each other? (Explain your answer by using the linear algebra
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Linear Algebra Math

05/26/20

V=R² is a vector space and T is a linear operator. T=(2x-y, x+y). f(x)=2+3x and g(x)=x+x² . a) find f(T) and g(T) linear operators. b) Are these operators singular?

c) Find dimensions of ker f(T), ker g(T), rank f(T), rank g(T)
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Linear Algebra Math

05/26/20

U: R­³ -> R³ , U(x, y, z) = (5x+8y+16z,4x+y+8z,-4x-4y-11z) is a lineer transformation. Find the functions that accept U as a root.
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Linear Algebra Math Algebra 2 Algebra

05/26/20

Algebra - Groups & Rings
For n > 1, let Zn = {[ 0 ], [ 1 ], [ 2 ],....., [ n - 1 ]}, the congruence classes of the integers modulo n: Show that Zn is a ring with respect to the operations defined by [ a ] + [ b ] = [ a... more
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Linear Algebra Math Algebra Slope

05/20/20

Please help me asap
Given the following graph, write the intercept form of the function. Then transform it into the standard and vertex forms.
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Linear Algebra Math Algebra Mathematics

05/20/20

Please help me asap
You are opening a widget selling business and want to know what you should sell each widget for. Your research team has found that if you make the price “x”, your total sales will be... more
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Linear Algebra Math Algebra Mathematics

05/19/20

Please help with math
A species of extremely rare, deep water fish rarely have children. If there are a 821 of this type of fish and their growth rate is 2% each month, how many will there be in half of a year, in 2... more
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Linear Algebra Math Algebra Mathematics

05/19/20

Define two terms, each containing the variables a and b.
Define two terms, each containing the variables a and b, with exponents on each. (For example: 10a3b-5) Find the quotient of the two terms. Explain step-by-step how you found the quotient.
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Linear Algebra

05/19/20

Distance rate time

flying against the jet stream, a jet travels 5530 miles in 7 hours. Flying with the jet stream, the same jet travels 5080 miles in 4 hours. what is the rate of the jet in still sir and what is the... more
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Linear Algebra

05/19/20

How to explain the why of augmented matrix is consistent without performing any row operation ?

Consider the two systems represented by the augmented matrices. If the first system is known to be consistent, explain why the second system is also consistent. Do not perform any row operations.
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Linear Algebra Math Algebra Graph

05/18/20

Define a cubic polynomial and a binomial (use only one variable in each). Show how to use the Vertical Method to multiply these two.
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Linear Algebra Math Algebra 1 Algebra 2

05/17/20

How does g(t)=3*9t change over a unit interval in t?
THE OPTIONS ARE....decreases by 9%increases by 9%increases by 9decreases 800%
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