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Mathematics, 02.07.2020 05:01 Esmer1030

. Formulate the situation as a system of two linear equations in two variables. Be sure to state clearly the meaning of your x- and y-variables. Solve the system by the elimination method. Be sure to state your final answer in terms of the original question. A jar contains 50 nickels and dimes worth $4.20. How many of each kind of coin are in the jar? x = nickels y = dimes 7. Formulate the situation as a system of two linear equations in two variables. Be sure to state clearly the meaning of your x- and y-variables. Solve the system by the elimination method. Be sure to state your final answer in terms of the original question.

The concession stand at an ice hockey rink had receipts of $7000 from selling a total of 3000 sodas and hot dogs. If each soda sold for $2 and each hot dog sold for $3, how many of each were sold?

x = sodas

y = hot dogs

8. Carry out the row operation on the matrix.

R1 â R2

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