Algebra Answers

A man who earns 400 pay 10% of the first 100 and 5% of the next 200 as tax. How much tax does he pay

A new car is purchased for 20700 dollars. The value of the car depreciates at 13.75% per year. What will the value of the car be, to the nearest cent, after 12 years?

Graph the line that passes through the points (-2, 5)

and (-2, -9) and determine the equation of the line.

Find the value of (x+Y)if x+Y=5 and x-Y=15

Find the value of (x+Y)if x+Y=5 and x-Y=15

If $51.30 interest is earned in two years on a deposit of $95, then what is the simple annual interest rate?

Boundary points are 1,-1,6, and -6 . Divid the w axis into intervals defined by the Boundary points the derermain the sign of f(w). W=-7,-5,0,2,7. F(-7)=? F(-5)=? F(0)=? F(2)=? F(7)=?

Use transformations to graph each of the following y=_(x+5)^2-4

The amount of theatregoers has declined 18.7 %. By how many percent must the ticket price be raised to keep the proceeds from ticket sales unchanged? The answer has 2 decimals

The estimate for building a summer cottage was 99191 €, out of which the share of building materials was 64136 € and the share of wages 17410 €. The rest of the money was reserved for other expenses. After the cottage was finished, the builder discovered that the cottage as a whole costed 26.7 % more than estimated. The price of building materials was 7.8 % higher than estimated, but the wages were only 83.1 % of the estimate. By how many percentage points did the proportion of other expenses out of the total expenses change? Remember to indicate a negative change with a minus sign (e.g. -10.55). The answer has 2 decimals