What is the solution to this inequality?
1 answer:
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Answer:
Linear, the linear term is -21x and the constant term is -20. Last option is the answer
Step-by-step explanation:
We are given the following function:
First we have to simplify y, before solving the question:
Applying the distributive property:
No quadratic term, so it is linear.
The linear term is -21x and the constant term is -20.
Step 1
Find the area of one tile
we know that
the area of a square is
where b is the length side of the square
In this problem
Substitute
Step 2
Find the area of the floor
The area of a rectangle is equal to
where
L is the length of the rectangle
h is the width of the rectangle
In this problem
Substitute
Step 3
Find the number of tiles needed
by proportion
therefore
<u>the answer is</u>
Answer:
Step-by-step explanation:
3^2 + 1^2 = c^2 (diagonal squared)
9 + 1 = c^2
10 = c*2
is the length
It is irrational because the decimal repeats forever