oscarmendoza2107
18.09.2019 •
Mathematics
At a grocery store, candy buys 2 cantaloupes at "x" dollars each and 1 watermelon at "y" dollars. her total bill is $9. chip goes to the same grocery store and buys 1 cantaloupe at "x" dollars and 1 watermelon at "y" dollars. his total bill is $6.
write and solve a system of linear equations by graphing to find the cost "x" of a cantaloupe and the cost "y" of a watermelon.
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Ответ:
x + y = 6
To graph, rewrite in y=mx+b form
y = -2x + 9 (slope -2, y-intercept 9)
y = -x + 6 (slope -1, y-intercept 6)
Once you graph you will see that the point of intersection is (3,3).
The cantaloupe costs $3 and the watermelon costs $3.
Ответ:
What do you mean? In the order of operations exponents would be 2nd (pemdas) parentheses, exponents, multiplication,division, addition, subtraction