Solve by substitution. ( show work)
x=y
x-3y=4
[i know the answer is (-2,2) but i...
Mathematics, 23.08.2019 17:30 Ancelingabaut
Solve by substitution. ( show work)
x=y
x-3y=4
[i know the answer is (-2,2) but idk how to get there]
Answers: 2
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If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.
Answers: 1
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(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.
Answers: 1
Mathematics, 22.06.2019 00:00
Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax
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