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Linear Algebra

09/01/22

3) Prove the following statement: “If x is an even integer, then x^2 is also even."

Not sure if I solved it correctly, but feel free to solve it another way or correct me. Here is what I did:x^2=(2n+2)^2 -- I let nE(belongs to)R(all real number) such that x^2 is an even... more

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Linear Algebra

09/01/22

2) Use DeMorgan’s Laws to write the negation of the statement: “R≤min {m,n}". (hint: rewrite the statement as an “and” statement.)

Been trying to figure out this problem, but I am completely clueless as to what to do. I know your suppose to use the quantifier and maybe an axiom.

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Linear Algebra

09/01/22

1a) Write the negation of “if x2>4 then x>2” (your statement should be an “and” or “there exists” statement). 1b) Give all the xvalues that are described by your negation statement.

I know your suppose to use universal or existential quantifier with the reverse A(for all) or E(there exist) element. However, I tried solving it a different way and would this be a possible... more

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Linear Algebra

08/31/22

Trent can deliver his newspapers in 30 minutes. It takes Lois 20 minutes to do the same route. How long would it take them to deliver the newspapers if they work together?

I got a variation of this this wrong 4 times, need some help.

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Linear Algebra

08/31/22

A bank loaned out $14,000, part of it at the rate of 6% per year and the rest at 14% per year. If the interest received in one year totaled $1500, how much was loaned at 6%?

Couldn't figure this one out on my own, keep getting it wrong and don't know where I'm messing it up.

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Linear Algebra

08/31/22

If 13 is added to a number and the sum is doubled, the result is -5 less than the number. Find the number.

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Linear Algebra Math Calculus Mathematica

08/30/22

matrix arithmetic help

Determine the value(s) of x such that [3 -6 -3] [x][ x 2 1] -6 -2 3 -1 -3 -2 0 ... more

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Linear Algebra

08/30/22

Can some one please help me with my Algebra?

Consider the line that passes through the point P(-4,1) and has slope −1-1. Write the slope-intercept form of the equation of the line. Use exact values

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Linear Algebra Algebra 1 Algebra 2

08/29/22

Word problem for algebra

Mikayla is training for a half-marathon. At the beginning of her training, she is able to run 2 miles without stopping. Her goal is to increase her distance by three quarters of a mile each week.

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Linear Algebra

08/29/22

Given A is a known 3x3 matrix, and given x is a solution of A|b (also known), then how do I find the vector b?

The matrix A is:1,5,60,1,13,8,1And x is:131

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Linear Algebra

08/28/22

Linear equation

A hotel manager found that his gross receipts for the day, including a 5% sales tax, were $4186.35. Find the amount of sales tax collected.

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Linear Algebra

08/28/22

Linear algebra find the equation

Parallel to y=2x+5 and passes the line (4,3)

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Linear Algebra

08/27/22

need help please

Write an equation for a line perpendicular to y = − 2 x − 4 and passing through the point (-4,-7)

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Linear Algebra Math Calculus

08/26/22

consistent linear system help

Determine the value of h such that the matrix is the augmented matrix of a consistent linear system. 3 -7 | h-12 28 | 6h = ????

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Linear Algebra Math Calculus

08/26/22

linear system with infinite solutions help

Determine the value of h such that the matrix is the augmented matrix of a linear system with infinitely many solutions.8 -7 | 324 h | 9h = ____________

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Linear Algebra Math Calculus Mathematica

08/26/22

Linear system what does H not equal

Let k, h be unknown constants and consider the linear system:x - 4y + 7z = -77x - 4y +8z = 317x - 20y + hz = kThis system has a unique solution whenever h does not equal ???

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Linear Algebra Math Calculus

08/25/22

In a grid of wires, the temperature at exterior mesh points is maintained at constant values as shown in the figure. When the grid is in thermal equilibrium, the temperature at each interior mesh... more

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Linear Algebra English Chemistry Econometrics

08/25/22

Consider the equation 2(5x-4)=ax+b; find a value for a and a value for b that the equation has no solution

Also if you can be kind, can you also find infinitely many solutionsHow to set it upa=____ b=____Thank you!

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Linear Algebra Math Calculus Mathematica

08/24/22

parabola find the equation

The equation for a parabola has the form y = ax^2 + bx + c, where a, b, and c are constants and a≠0. Find an equation for the parabola that passes through the points (−1,−9), (−3,1), and (3,19).y =... more

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Linear Algebra Math Calculus Mathematica

08/24/22

rate investment system of equations

A man invests his savings in two accounts, one paying 6% and the other paying 10% simple interest per year. He puts twice as much in the lower-yielding account because it is less risky. His annual... more

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Linear Algebra

08/24/22

Find all the value of x that satisfy at least one of the two inequalities 2x-7\le 1 or 2x+1>3

Find all the value of x that satisfy at least one of the two inequalities 2x-7≤ 1 or 2x+1>3

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Linear Algebra

08/24/22

the inequality in interval notation is?

2x+1≤11

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Linear Algebra

08/16/22

Let D(x) =3x^6-2 Write the equations of any functions h and k, so that D(x)=h(k(x)). Do not use k(x)=x or h(x)=x

a) h(x)= K(x)=b) Use your answer from a) to determine D(x)=h(k(x))

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Linear Algebra

08/12/22

Class 8 chapter 2 CBSE linear equation in one variable

RamRam went to a book shop to purchase three books maths science Hindi each if total cost of maths and Science book is rupees 105 and the cost of math book is rupees 15 more than that of science... more

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Linear Algebra Math Algebra 1 Calculus

08/11/22

I need an example question

please write and solve a monte carlo integration question. I need to understand how to solve them I have an exam tomorrow. Thank you for your time.

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3) Prove the following statement: “If x is an even integer, then x^2 is also even."

2) Use DeMorgan’s Laws to write the negation of the statement: “R≤min {m,n}". (hint: rewrite the statement as an “and” statement.)

1a) Write the negation of “if x2>4 then x>2” (your statement should be an “and” or “there exists” statement). 1b) Give all the xvalues that are described by your negation statement.

Trent can deliver his newspapers in 30 minutes. It takes Lois 20 minutes to do the same route. How long would it take them to deliver the newspapers if they work​ together?

A bank loaned out ​$14,000​, part of it at the rate of 6% per year and the rest at 14% per year. If the interest received in one year totaled $​1500​, how much was loaned at 6%?

If 13 is added to a number and the sum is doubled, the result is -5 less than the number. Find the number.

matrix arithmetic help

Can some one please help me with my Algebra?

Word problem for algebra

Given A is a known 3x3 matrix, and given x is a solution of A|b (also known), then how do I find the vector b?

Linear equation

Linear algebra find the equation

need help please

consistent linear system help

linear system with infinite solutions help

Linear system what does H not equal

temperature system

Consider the equation 2(5x-4)=ax+b; find a value for a and a value for b that the equation has no solution

parabola find the equation

rate investment system of equations

Find all the value of x that satisfy at least one of the two inequalities 2x-7\le 1 or 2x+1>3

the inequality in interval notation is?

Let D(x) =3x^6-2 Write the equations of any functions h and k, so that D(x)=h(k(x)). Do not use k(x)=x or h(x)=x

Class 8 chapter 2 CBSE linear equation in one variable

I need an example question

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Trent can deliver his newspapers in 30 minutes. It takes Lois 20 minutes to do the same route. How long would it take them to deliver the newspapers if they work together?

A bank loaned out $14,000, part of it at the rate of 6% per year and the rest at 14% per year. If the interest received in one year totaled $1500, how much was loaned at 6%?