I need to use a system of linear equations to solve this. I have another question that i'm stuck on

I need to use a system of linear equations to solve this. I have another question that i'm stuck on

The voltage, V, in a current is given by V = PR, where P is the power in watts and R is the resistance in ohms. a) Find the voltage necessary to run a 72-watt amplifier with a resistance...

No additional details but this is for my little sisters homework I am helping her with

A carpenter is assigned the job of expanding a rectangular deck where the width is one-sixth the length. The length of the deck is to be expanded by 4 feet, and the width by 2 feet. If the area of...

coffee cafe makes 90 pounds of coffee mix that costs $6 per pound. The types of coffee used to make this mixture $7 per pound and $4 per pound. How many pounds of the $7 per pound coffee should be...

Suppose one person sends a letter to 11 people, and the following week those 11 people send a letter to 11 other people. If this pattern continues, how many letters will be sent out on the fourth...

The area of a triangle is given by 25x^2 + 5x - 6, and the base is 5x + 3. If h = 2A/b, find the height.

A company that sells cellular phones has a cost of x2 + 3x - 4 dollars, and a revenue of 2x2 + 5x + 10 dollars, where x represents the number of cell phones sold per week. If Profit =...

Write the polynomial that represents the area of the triangle whose base is (10x + 2y) and height is (3x - y). could someone help me with this please

Find the equation of the line that contains the point (6,-3) and has an undefined slope.

Find the equation of the line that contains the point (1,5) and is perpendicular to the line y= 2x - 19/17.

Consider the lines -11x - 4y = 5 and y = 11/4x-8. Are these lines perpendicular, parallel or neither? Justify your answers with words and math to explain how you came to your answer.

I need to find the length and width of the rectangle

how do I find two points in order to graph this equation

. A van rental company rents out 6, 8, 12, and 16 passenger vans. The function C(x)=11+5x represents the cost C(in dollars) of renting an x-passenger van for the day. Which of the following numbers...

This is supposed to be a graph.

Which function’s inverse has the greatest value at x=4? g(x)=10^x+2 k(x)=ln(x+3) f(x)=log(x−1) h(x)=e^x+2

recursive formula

A how fast does the plane fly during the first leg of the trip B how fast does the plane fly during the last leg of the trip C what system of equations might be helpful in this scenario D...

elapsed time 1 2 4 6 8 10 distance walked 4 ...