ella3714

29.08.2020 • 

Mathematics

girlsareawesome 2 minutes ago Mathematics College +33 pts Answered Helena bought 4 packages of cat food at a store. The weight of the food in each package was 1.25 pounds. Helena opened all 4 packages of cat food and put 2 3 of the total amount of food into a container. The expression below represents the weight of the cat food Helena put into the container: (4) (1.25) (2/3) What is the total weight, in pounds, of the cat food that Helena put into the container? show step by step

Ответ:

cece4874

16.10.2020

Mathematics

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We can solve these equations by using substitution method where you substitute one equation to the other and solve for the value of the other variable. We do as follows:

y = 2x^2
y = –3x −1

 2x^2 = –3x −1
 2x^2 +3x +1 = 0

x1= -0.5
x2 = -1
y1 = 0.5
y2 = 2 

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