Answer:
k=13
Step-by-step explanation:
19 + 12k = –k − 20
19+20=39=13k
k=13
It's 75. After you wrote down all the possibilities for what G could be, just find the one that has a combination of numbers that add up to 12. 75 is 7+5=12
Answer:
750 mm²
Step-by-step explanation:
<h3>Area of triangle:</h3>
To find the area of the triangle, multiply the base and height and then divide the result by 2.

base = AC = 5 cm = 50 mm
height = DB = 30 mm

No this is not a function because a function can only have one output for each input.
A system of equations means that both equations need to be true in the same time.
Since y is equal with 3x-7 and 2x+7 then those must be equal with eachother.
3x-7=2x+7
3x-2x=7+7
X=14
Now that we know x use any given equation of y and substitute x with 14
Y=3•14-7=35
Solution: x=14, y=35