6x -18 +2x -9 pls help
2 answers:
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Check the picture below.
you can pretty much count those lengths off the grid.
recall that A = 1/2 bh.
you can pretty much count those lengths off the grid.
recall that A = 1/2 bh.
Answer:
Step-by-step explanation:
The perimeter of a polygon is simply sum of the lengths of all sides of the polygon.
Therefore, we can find this polygon's perimeter by adding up the length of each of its sides:
Since there is a lot to keep track of, I'd recommend picking any side and moving clockwise/counter-clockwise until you get all sides.
Answer: There are 20 students and 4 students are not here today.
Step-by-step explanation:
If the number of students = 4
Let the number of students be 'x'.
Fraction of students absent =
If the number of students = 5
Fraction of students absent =
And Jen came back,
So, the fraction of student absent is also written as
According to question, it becomes,
Hence, there are 20 students in our school.
And number of students are not here today is