Evan washes two types of vehicles. It takes him 30 minutes to wash a car and 40 minutes to wash a truck. He charges 12 dollars to wash a car and 15 dollars to wash a truck. In 270 minutes, Evan made 105 dollars washing cars and trucks. How many trucks did Evan wash?
The matrix represents a system of equations. the 3 by 4 matrix, row 1, column 1, 1 column 2, 1 column 3, negative 2 column 4, 1 row 2, column 1, 2 column 2, negative 3 column 3, 1 column 4, negative 2 row 3, column 1, 2 column 2, 2 column 3, negative 4 column 4, 2 Which of the following describes the solution to this system of equations?
The vertices of a triangle are given in the columns of the matrix cap t is equal to the 2 by 3 matrix row 1, 0 4 0 row 2, 0 0 5 If the 2 by 2 matrix, row 1, column 1, negative 1 column 2, 0 row 2, column 1, 0 column 2, negative 1 times cap t is found to perform a transformation, what are the coordinates of the transformed triangle?
The formula for the volume of a pyramid is cap v is equal to 1 third cap b h Which of the following equations is equivalent to the given formula?
What are the solutions of the equation open paren x plus 2 close paren squared minus 2 times open paren x plus 2 close paren minus 15 is equal to 0 ? Use u substitution to solve.
The first term of a geometric sequence is negative 2 and the common ratio is negative 1 fourth What are the next three terms of the sequence?
Which of the following is an odd function?
What are the values of x and y in the matrix equation? the 2 by 1 column matrix row 1 x plus 4 row 2 y squared plus 1 plus the 2 by 1 column matrix row 1 negative 9 x row 2 negative 17 is equal to the 2 by 1 column matrix 28 0
What is the area of a triangle with vertices at open paren negative 3 comma 3 close paren , open paren 2 comma 3 close paren , and open paren 4 comma 7 close paren ?
The table shows the number of different types of faucets sold over three months and the total selling price of the items. Number of Faucets Sold and Total Selling Price Kitchen Sink Bathroom Sink Shower Total Selling Price January 15 8 7 2 dollars comma 830 February 17 12 8 3 dollars comma 450 March 24 25 21 6 dollars comma 680 The company makes a profit of 15 percent on every faucet sold. What is the profit on one shower faucet?
If f of x is equal to square root of 4 x plus 9 end root plus 2 , which inequality can be used to find the domain of f of x ?
The domain of u times x is the set of all real values except 0 and the domain of v times x is the set of all real values except 2 What are the restrictions on the domain of open paren u circ v close paren times x ?
During a baseball game, a player hits a ball while a bird is flying across the field. Let t be the time in seconds since the ball is hit and h be the height in feet. The height of the baseball over time is modeled by the equation h is equal to negative 16 t squared plus 65 t and the height of a bird over time is modeled by the equation h is equal to 8 t plus 20 What do the intersection points of the equations represent?
What is the factored form of 64 g cubed plus 8 ?
Which system of equations is consistent and dependent?
Which equation represents a graph with a vertex at open paren 1 comma negative 6 close paren ?
A polynomial function has a root of negative 7 with multiplicity 2 , a root of negative 1 with multiplicity 1 , a root of 2 with multiplicity 4 , and a root of 4 with multiplicity 1 If the function has a positive leading coefficient and is of even degree, which statement about the graph is true?
If g of x and f of x are inverse functions, which graph represents g of x ?
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