Algebra Answers

Which situation can be modeled by the equation 705−m=430

705-m=430?

How to work out the domain and range for these equations

1. f(x)=√x-1

2. f(x)=6x-1/1-2x

3. f^-1(x)=(X+1)/(2x+6)

(0.04,-2)

(0.2, -1)

(1,0)

(5,1)

(25,2)

(125,3)

What pattern do you see between the coordinates?

A new car is purchased for 22300 dollars. The value of the car depreciates at 10.25% per year. What will the value of the car be, to the nearest cent, after 6 years?

A watermelon is launched from a 25-foot tall platform at a carnival. The watermelon's height h (in feet) at time t seconds can be modeled by the equation h = -16t^2 + 56t + 25. Find the maximum height of the watermelon

2. What does doing mathematics mean

a. Explaining concepts and skills in such a manner that learners can do exercise with ease

b. Generating strategies for solving problems, applying these strategies, seeing whether they lead to solutions and checking to see whether the answers made sense.

c. Doing the operations (+,- ,× ,÷) with whole numbers and decimal numbers correctly.

2. What is linked to rational understanding

a. Learning that occurs in a vacuum

b. Producing correct answers rather than developing mathematical understanding

c. Producing previous learnt facts

d. Knowing what to do and why.

Find the value of a³+2a²b+b³ divided by ab(a+3b) when a/b=√2-1

A semi-circle of radius 14 cm is formed from a piece of wire. If it is bent into a rectangle whose length is 2 cm more than its width, find the area of the rectangle.

What is the area with respect to the y axis of the curve x² = 3y, from x = 0 to x = 4?

What is the diameter of the circle circumscribing an isosceles right triangle having an area of 126 sq.cm?