Recent questions in Algebra

College algebraOpen question

Haidyn Hartman2022-11-08

if -x^2+y^2=4-4x^2y then find the equations of all tangent lines to the curve when y=-5

Linear algebraOpen question

willinghamkids4 2022-11-07

Two groups of friends go to a baseball game and each plan to share snacks if 3 drinks and 2 orders of churros cost 16.00 and 5 drinks and 5 orders of churros cost 31.25 how much is 1 drin and 1 order of churros cost

College algebraOpen question

Melodie Gutknecht2022-11-02

Find the formula for an exponential function that passes through (0,6) and (2,750)

Linear algebraOpen question

Aloritious 2022-10-25

Use back substitution to solve each of the following systems of

equations:

(a)

x1 + x2 + x3 = 8

2x2 + x3 = 5

3x3 = 9

(b)

x1 + 2x2 + 2x3 + x4 =5

3x2 + x3 − 2x4 =1

−x3 + 2x4 = − 1

−x3 + 2x4 =4

College algebraOpen question

mrsglick16 2022-10-25

Use the given conditions to write an equation for the line in point-slope form and general form. Passing through (8,-4) and perpendicular to the line whose equation is

x-6y-5=0

College algebraOpen question

mrsglick16 2022-10-25

Use the given conditions to write an equation for the line in point-slope form and general form. Passing through (8,-4) and perpendicular to the line whose equation is x-6y-5=0

Linear algebraOpen question

Ciara’s World2022-10-18

Let c be the distance between Carlisle and Wellesley, let b be the distance between Carlisle and Stonebridge, and let a be the distance between Wellesley and Stonebridge.

· If you did a circuit, traveling from Carlisle to Wellesley to Stonebridge and back to Carlisle, you would travel 73 miles.

· The distance from Stonebridge to Carlisle is 12 miles farther than the distance from Wellesley to Carlisle..

· If you drove from Stonebridge to Carlisle and back to Stonebridge, and then continued to Wellesley then back to Stonebridge, you would travel 102 miles.

** **Write a system of linear equations to represent the situation.

AlgebraOpen question

Paris Mann2022-10-18

The formula s=√18d$s=\sqrt{18d}$ can be used to find the speed *s* of a car in miles per hour when the car needs *d* feet to come to a complete stop after stepping on the brakes. If it took a car 25 feet to come to a complete stop after stepping on the brakes, estimate the speed of the car. Estimate the value of √18d$\sqrt{18d}$, when d=25$d=25$, to the tenths place.

Linear algebraAnswered question

Hugo Stokes 2022-10-18

Finding the inverse of linear transformation using matrix. A linear transformation represented by a matrix with respect to some random bases, how could I find the inverse of the transformation using the matrix representation?

Linear algebraOpen question

Theyluv.D33 2022-10-16

naomi wants to buy a new computer for $840. She is considering two payments plans that require weekly payments. Which plan will pay for the computer faster ?

College algebraOpen question

Zakiya Noor2022-10-13

A polynomial of a degree 5 had rational coefficients and the zeros $\frac{4}{3},8i$, and $3-5\sqrt{2}$

What are the missing zeros?

Linear algebraAnswered question

Paloma Sanford 2022-10-13

Let $A=4\times 4$ matrix: $\left[\begin{array}{cccc}3& 2& 10& -6\\ 1& 0& 2& -4\\ 0& 1& 2& 3\\ 1& 4& 10& 8\end{array}\right]$, let $b=4\times 1$ matrix: $\left[\begin{array}{c}-1\\ 3\\ -1\\ 4\end{array}\right]$

Is $b$ in the range of linear transformation $x\to Ax$?

Is $b$ in the range of linear transformation $x\to Ax$?

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