Which of the following situations could be represented with the given system of equations?
0.1x+0.6y= 0.4(5)
(x+y=5
A. Eunice needs to combine solutions of 0.1 M HCl and 0.4M HCl to produce 5L of 0.6M hydrochloric
acid (HCI).
Eunice needs to combine solutions of 0.1M HCl and 0.6M HCl to produce 5L of 0.4M hydrochloric
acid (HCI).
Eunice needs to combine solutions of 0.4M HCl and 0.6M HCl to produce 5L of 0.1 M hydrochloric
acid (HCI).
Eunice needs to combine solutions of 0.1 M HCl and 0.6M HCl to produce 4L of 0.5M hydrochloric
acid (HCI).

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

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.