3x^2+18x=21
Mathematics, 06.07.2019 00:10, tysisson9612
To solve the equation below by completing the square, what is your first step?
3x^2+18x=21
Answers: 1
Mathematics, 22.06.2019 01:30, haleymoodie6034
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: 2
Mathematics, 22.06.2019 03:30, lizzieee51
Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?
Answers: 1
To solve the equation below by completing the square, what is your first step?
3x^2+18x=21
3x^2+18x=21
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