Six subtracted from the sum of four and a number
1 answer:
Let's call this unknown number, x.
So we know that 4 and this number, x, are going to be added together and 6 is going to be subtracted from it. Therefore we can write the expression:
Since we cannot proceed any further without knowing either the value of x or what the expression equals, this is as simplified as it can be.
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Answer:
The shaded area is
Step-by-step explanation:
we know that
The shaded area is equal to the area of the large square minus the area of the two smaller squares
so
Calculate the shaded area
Remember that
substitute
Answer:
see below
Step-by-step explanation:
Each point moves to half its previous distance from P. It is probably easier to count grid squares on the graph than it is to do the math on the coordinates.
If you're doing the math on the coordinates, it is convenient to use P = (0, 0), then multiply each of the coordinates of A, B, and C by 1/2. For example:
A' = (1/2)A = (1/2)(8, 4) = (4, 2)
