Mr. Loretta spends $4.83 on pens and notebooks. Pens cos $0.95 each. Notebooks cost $0.99 each. How many of each item does he bu
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9 = 6y + 33
9 - 33 = 6y
6y = 9 - 33
y =
y = -4
9 - 33 = 6y
6y = 9 - 33
y =
y = -4
The formula used to find the length of a line segment is the same formula as the Pythagoras theorem.
We take CD as the hypotenuse of the right-angled triangle and the distance between the x-coordinates and y-coordinates as the length of two short sides.
We can write the formula as
CD =
CD =
We take CD as the hypotenuse of the right-angled triangle and the distance between the x-coordinates and y-coordinates as the length of two short sides.
We can write the formula as
CD =
CD =