I believe its C, but its up to you to listen to me
-3x+2y=56
-5x-2y=24
so first we want to get rid of one variable, in this example we dont need to multiply because the y's cancel out
so we have
-8x=80
x=-10
now plug in x into an original equation
-3(-10)+2y=56
2y=26
y=13
hope that helps
Answer:
5x^2 + 3x + 4
Step-by-step explanation:
Rewrite (2x^2+x+3)+(3x^2+2x+1) vertically, and then combine like terms:
(2x^2+ x +3)
+(3x^2+2x + 1)
---------------------
5x^2 + 3x + 4
To find out how old the twins were that were in the recital you need to be able to interpret a stem and leaf plot. The number of the left gets placed with each number on the right to create a number in the data set. See the key for an example. This means there were 2 people that were 5 years old making them the twins!
Step-by-step explanation:
sorry man i wish i could help
