Answer:
x=9
Step-by-step explanation:
distribute: 3x-6+7=2x+10
add like terms: 3x+1=2x+10
add the x's and the integers: x=9
The system of equations representing the number of Blue-ray discs and DVD's after t months are:
507 + 26t
925 - 12t
Each month, the number of DVD's sold decreases by 12, this can be modelled as:
number of DVD in opening month - (monthly decrease x number of months)
Number of DVD's in t months = 925 - 12t
Each month, the number of Blue-ray discs sold increases by 26, this can be modelled as:
number of blue-ray discs in opening month + (monthly increase x number of months)
Number of Blue-ray discs in t months = 507 + 26t
To learn more about growth rate, please check: brainly.com/question/18760477
Answer:
10 holly bushes and 12 bayberry shrubs
Step-by-step explanation:
Answer:
Slope: 7/4 Equation: y = 7/4x
Step-by-step explanation:
To find the slope check how much the line goes up when it goes to the right by 1. You can see in the picture that every time it goes to the right 8, it goes up by 14, so the slope is 14/8 = 7/4.
Since it goes through the point (0, 0) and the slope is 7/4, you know the equation would just be y = 7/4x
You would have to multiply either equation in order to get one of the variables to cancel.
I would multiply the first equation by -5.
-5(3x + 6y = -2)
-15x -30y = 10
15x + 30y = -10
0 + 0 = 0
Since everything cancels and the equation is true, the solution is Infinitely many solutions, or all real numbers.
