Mathematics, 20.09.2019 16:30 mazolethrin5672

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 lawyer has found 60 investors for a limited partnership to purchase an inner-city apartment building, with each contributing either $4,000 or $8,000. if the partnership raised $348,000, then how many investors contributed $4,000 and how many contributed $8,000?
x = $4,000 investors
y =
$8,000 investors
solve the system by row-reducing the corresponding augmented matrix. (enter your answers as a comma-separated list. if the system is inconsistent, enter inconsistent. if the system is dependent, enter dependent.)
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2x + y = 17
x + y = 13
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 80 nickels and dimes worth $6.80. how many of each kind of coin are in the jar?
x = nickels
y = dimes

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Formulate the situation as a system of two linear equations in two variables. be sure to state clear...

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