X+2(x+2)=100
x+2x+4=100
3x=100-4
3x=96
x=32
The answer is 32 and 34.
To solve this using the vertical line test, graph the points then see if any of them fall on the same vertical line (vertical lines run up and down), or in other words, see if any point is right above another. If there are any like this, then the graph is not a function. To graph the points from a t-chart, use one x-value, and the y-value right next to (or above it) as one point. For example, the first x-value is -3 and the first y-value is -4. Put these together as the first point: (-3, -4).
Answer:
clockwise from left, the missing side lengths are 8 m, 13 m, 8 m
Step-by-step explanation:
The perimeter of the figure is the sum of the lengths of its sides. Sides with the same hash mark have the same length, so the perimeter (in meters) is ...
38 = (3x+1) +(2x) +(9) +(2x)
38 = 7x +10
28 = 7x . . . . . . subtract 10
4 = x . . . . . . . . divide by 7
Then the short sides are ...
2x = 2·4 = 8 . . . meters
and the long side is ...
3x+1 = 3·4 +1 = 13 . . . meters
Answer:
y = 18x + 21
Step-by-step explanation:
Let x be the amount of hours of the renting and y the final cost
y = 18x + 21
In fact the final cost depends from the hours of the renting
Answer:
4
Step-by-step explanation:
side ('s') squared equals 160
s² = 160
so 's' = 
which can be broken down to 
· · which equals
2 · 2 · or 4
