# College Algebra Solutions for Your Success

Recent questions in Algebra
Daniaal Sanchez 2020-10-27

## To calculate:To evaluate . Professor Harsh gave a test to his college algebra class and nobody got more than 80 points (out of 100) on the test. One problem worth 8 points had insufficient data, so nobody could solve that problem. The professor adjusted the grades for the class by a. Increasing everyones

Cabiolab 2020-10-27

## True or False: For $n×n$ matrices A and B, define $A\otimes B=AB-BA$. The operator ox is not associative or commutative.

banganX 2020-10-27

## Begin by graphing $f\left(x\right)={\mathrm{log}}_{2}x$ Then use transformations of this graph to graph the given function. What is the graphs

preprekomW 2020-10-27

## Find the x- and y-intercepts of the equation. $-5x+8y=80$

Albarellak 2020-10-27

## To calculate: The probability that the selected student of 17-26 age group has received an "A" in the course. Given Information: A table depicting the grade distribution for a college algebra class based on age and grade.

lwfrgin 2020-10-27

## Express $\mathrm{cos}\left({\mathrm{sin}}^{-1}x-co{s}^{-1}y\right)$ as an algebraic expression in x and y.

Ava-May Nelson 2020-10-26

## Saving for college in 20 years, a father wants to accumulate $40,000 to pay for his daughters Linear algebraAnswered question tricotasu 2020-10-26 ## A line passes through (9,3),(12,4), and (n,-5) Find the value of n. Linear algebraAnswered question CoormaBak9 2020-10-25 ## Let B and C be the following ordered bases of ${R}^{3}:$ $B=\left(\left[\begin{array}{c}1\\ 4\\ -\frac{4}{3}\end{array}\right],\left[\begin{array}{c}0\\ 1\\ 8\end{array}\right],\left[\begin{array}{c}1\\ 1\\ -2\end{array}\right]\right)$ $C=\left(\left[\begin{array}{c}1\\ 1\\ -2\end{array}\right],\left[\begin{array}{c}1\\ 4\\ -\frac{4}{3}\end{array}\right],\left[\begin{array}{c}0\\ 1\\ 8\end{array}\right]\right)$ Find the change of coordinate matrix I_{CB} College algebraAnswered question Line 2020-10-23 ## Trust Fund A philanthropist deposits$5000 in a trust fund that pays 7.5% interest, compounded continuously. The balance will be given to the college from which the philanthropist graduated after the money has earned interest for 50 years. How much will the college receive?

Mylo O'Moore 2020-10-23

## Write down a definition of a subfield. Prove that the intersection of a set of subfields of a field F is again a field

Isa Trevino 2020-10-23

## F should be a field. Show that there are infinitely many monic polynomials that are irreducible.

ediculeN 2020-10-21

## To calculate: The points needed on the final to average the points to 75 when the final carries double weight. Given information: Grades in three teste in College Algebra are 87,59 and 73. The final carries double weight. The average after final is 75.

Jerold 2020-10-21

## Find the x-and y-intercepts of the given equation. $g\left(x\right)=2x+4$

Brennan Flores 2020-10-21

## Find the Euclidean distance between u and v and the cosine of the angle between those vectors. State whether that angle is acute, obtuse, or ${90}^{\circ }$. u = (-1, -1, 8, 0), v = (5,6,1,4)

waigaK 2020-10-21

## Consider the following vectors in ${R}^{4}:$ ${v}_{1}=\left[\begin{array}{c}1\\ 1\\ 1\\ 1\end{array}\right],{v}_{2}=\left[\begin{array}{c}0\\ 1\\ 1\\ 1\end{array}\right]{v}_{3}=\left[\begin{array}{c}0\\ 0\\ 1\\ 1\end{array}\right],{v}_{4}=\left[\begin{array}{c}0\\ 0\\ 0\\ 1\end{array}\right]$ d. If $x=\left[\begin{array}{c}23\\ 12\\ 10\\ 19\end{array}\right],find{\left\{x\right\}}_{B}e$. If ${x}_{B}=\left[\begin{array}{c}3\\ 1\\ -4\\ -4\end{array}\right]$, find x.

necessaryh 2020-10-21

## For any vectors u, v and w, show that the vectors u-v, v-w and w-u form a linearly dependent set.

Jason Farmer 2020-10-21