Mathematics, 15.10.2019 21:30 voidnyaah
Three teachers surveyed their students to find out how many of them played sports. which 2 surveys show a proportional relationship?
a. a survey of 150 student showed that 40 of them play a sport.
b. a survey of 225 students showed that 60 students play sports.
c. a survey of 175 students showed that 50 students play sports.
Answers: 2
Mathematics, 21.06.2019 23:30
The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.
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
Three teachers surveyed their students to find out how many of them played sports. which 2 surveys s...
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