Hai bài toán hình này làm như nào ạ
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Answers: 3
Mathematics, 21.06.2019 19:30
Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?
Answers: 1
Mathematics, 21.06.2019 19:50
How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?
Answers: 3
Mathematics, 21.06.2019 23:50
Determine the area of a triangle with (see picture below)
Answers: 1
Mathematics, 22.06.2019 00:00
(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, 14.09.2019 06:30
Mathematics, 14.09.2019 06:30
Mathematics, 14.09.2019 06:30
Mathematics, 14.09.2019 06:30