Answer:
Step-by-step explanation:
4(x+3)+2x= 4x+12
4x+12+2x= 6x+12
and the second is
6(x+2)=
6x+12
(2, 3) and (2, 2)
(-5, 2) and (-5, 1)
(6, 5) and (6, -5)
(-1, 0) and (-1, 6)
A function cannot reuse a value of x.
Each value of x can only appear once in a function.
Answer:
The systems of equation for the amount spent are as follows
Step-by-step explanation:
In this problem we are expect to give a model or an equation that represents the amount of money spent per month given a fix subscription amount and a variable fee which is based on extra minutes spent.
let Y represent the amount of money spent in total for the month
The first case:
Subscription =$5
charges per minutes = $0.99
therefore the amount spent can be modeled as
The second case:
Subscription =$10
charges per minutes = $0.79
therefore the amount spent can be modeled as
The length is 15 inches and width is 9 inches
Step-by-step explanation:
Let
l be the length
and
w be the width
w = l-6
The area of rectangle is 135 ft^2
The formula for area is:
As the length cannot be negative, so we will use the value of length 15
If length 15,
w=l-6
w=15-6
w=9
So,
The length is 15 inches and width is 9 inches
Keywords: Area of rectangle, Quadratic equation
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Let x be total hours of battery life. We have been given that battery life of Vera's phone is down to 2/5. So remaining battery life,
We have been also given that it drains another 1/9 every other hour. Now let us substitute our given information into an equation.
Now we will solve for x.
Let us convert 2/5 into minutes. We know 1 hour has 60 minutes.
Therefore, remaining battery life will be 5 hours and 24 minutes.