Answer:
number 4 on edge
Step-by-step explanation:
Answer:
76.5in²
Step-by-step explanation:
First we will find the area of the square. This is done by multiplying the side length (9in) by itself.
The area of the square is 81in².
Next we will find the area of the triangular hole. We can use the formula , where b is the base of the triangle (3) and h is the height of the triangle (3).
The area of the triangle is 4.5in².
Now we can find the area of the figure by subtracting the area of the square and the area of the triangular hole.
The area of the figure is 76.5in².
That is the answer
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n(A) is the number of elements is A, sometimes written |A|. I count 7. n(A)=7
13 is among the elements of A, so 13 ∈ A is TRUE
26 is among the elements of A, so 26 ∉ A is FALSE
10 isn't in A, so 10 ∉ A is TRUE
Answer:
Step-by-step explanation:
We have been given that
We can use the formula for difference of cubes to simplify the function f(x)
difference of cubes -
And g(x) can be written as
Thus, we have
On cancelling the common factors, we get