wren

Let x represent the cost of a box of cereal and let y represent the cost of a half-gallon of milk. An augmented matrix involving x and y is shown below. 3 1 l7 1 1 l4 Which of the following situations can be modeled by t...

1 answer 1 month ago

Let A, B, and C be matrices such that a= -5 1 7 -4, b= -3 5 1 -6, and c= -9 -3 2 -10. Which matrix is the result of a+b-c?

1 answer 1 month ago

The water depth in two ponds is measured annually. The first depth measurement in the first pond is 22 feet. The first depth measurement in the second pond is 32 feet. Annual measurements show the first pond’s depth decr...

1 answer 1 month ago

Julie is buying muffins and doughnuts for her soccer team. Each muffin, m, costs $1.50 and each doughnut, d, costs $1.00. Julie spends a total of $24.00 on muffins and doughnuts. Enter an equation that represents the tot...

1 answer 1 month ago

Bill bowled 3 games at a bowling alley and rented shoes, spending a total of $9.00. LeAnn bowled 5 games at the bowling alley and rented shoes, spending a total of $14.00. How much does it cost to bowl a game?

1 answer 1 month ago

A hardware store sells hammers for $8.29 each and boxes of nails for $4.99 each. A convenience store sells the same hammer for $6.79 each and the same box of nails for $5.49 each. Matrix C, shown below, represents the pr...

1 answer 1 month ago

Sam and Marissa are shopping at the same store. Sam bought 2 model airplanes and 6 toy cars. He paid $17 total. Marissa bought 2 model airplanes and returned 10 toy cars. She paid $9 total. A system of equations that rep...

1 answer 1 month ago

Jennifer is at an amusement park, where roller coaster rides cost 5 tickets each and all other rides cost 3 tickets each. She has time for no more than 12 rides, and she can use no more than 55 tickets. The system below...

1 answer 1 month ago

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