Linear equations , solve the system of equations by graphically and compare...

solve the system of equations by graphically and compare the solution with that obtained by matrix approach 3x+2y=8 y=x-1

Example of mixing problems, How much of a 50% alcohol solution should we mi...

How much of a 50% alcohol solution should we mix with 10 gallons of a 35% solution to get a 40% solution? Solution Let x is the amount of 50% solution which we need.  It me

Decimals to fractions, how do I change 0.68 to a fraction or mixed number

how do I change 0.68 to a fraction or mixed number

Boolean,

Linear Equations in Linear Algebra, Question 1 [7 marks] The reduced row ec...

Question 1 [7 marks] The reduced row echelon form of ? ? ? ? ? ? ? ? ? ? ? ? 3 4 17 22 1 2 5 row a b A is equal to ? ? ? ? ? ? ? ? ? ? ? ? 0 0 0 0 0 0 1 2 1 2 0 3 R . (a) What can

Algebraic Equation, The sum of digits of a number is 9 If the digits of the...

The sum of digits of a number is 9 If the digits of the number are reversed the number increases by 45 What is the original number?

Inequalities, -1/5t>7 -

-1/5t>7 -

Rates, find the number of hours it would take to drive 168 miles at an aver...

find the number of hours it would take to drive 168 miles at an average rate of 48 miles an hour. use the formula d=rt

Equation, If ( x+1/x)2=3 then find the value of (x72+x66+x54+x36+x24+x6+1)

If ( x+1/x)2=3 then find the value of (x72+x66+x54+x36+x24+x6+1)

Sketch the graph of function, Sketch the graph of function. f ( x ) =3x ...

Sketch the graph of function. f ( x ) =3x + 6 /x -1 Solution Thus, we'll start off with the intercepts. The y-intercept is,       f (0) =6/-1=-6⇒     (0, -6)