Algebra Answers

prove that 4^(n)+17 is divisible by 3

Write explanation to the right of each step you would explain the following algebraic problem to learner
2.3*=162
3*=81
3*=34
X=4

Fractionize and solve the unknown in x square + 3x + 2

Two brothers andile and beki want to join a gym for one year. Andile decides to join gym aerolux and beki decides to join gym bodyworx. The monthly fee for aerolux is R125 with no registration gee and monthly fee for bodyworks is 100 with R250 registration fee.
Decides which one is input variable and output variables

Mavis ate 3/10 of her birthday cake. She decided to give the brother 2/3 of what is left of the cake. What fraction of the cake was eaten by the brother?
Illustrate your answer through the use of diagrams,show the process clearly by making use of different types of shadings.

1. Compare the fractions 1/4;2/3 and 5/6 by making use of the area model.(you should be able to arrange the fractions from small to big). Make sure that you chose the whole correctly, and make accurate drawings.
2.explain what do the numerator and denominator in fraction tell us( illustrate your answer).
3. Markus travelled one-quarter of his destination.he still has to cover 24km to reach the third way mark.
3.1.how many kilometres does he still have to travel to reach the destination ( use a diagram to help you).
3.2. Identify mathematics concepts and skills (background information) that learner's need to master to be able to answer this question.

Suppose u, v and w are vectors in 3–space. Which of the following is/are defined? Explain
A. (u x v).w
B. u .(v x w)

Suppose u and v are vectors in 3–space where u = (u1;u2;u3) and v = (v1;v2;v3). Evaluate u x v x u
and v x u x u.


Suppose A and B are 3 x 3 matrices. Prove that
(i) (A + B)T = BT + AT
(ii) det(AB)T = det(A) : det(B)

-7a+2/3(12a+15)-10

Store can purchase shirts for seven dollars each each shirt is sold for $18 if the store wants to make a profit of $748 how many shirts message so stable extra present state the equation and then state the answer