Which sign makes the statement true? |6|? -8 greater than less than or equal to?
2 answers:
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Answer:
Step-by-step explanation:
We want to write an algebraic expression that represents the statement;
"eleven times the quotient of a number and 3 minus 15"
Let x be the number;
The quotient of a number and 3 is
eleven times the quotient of a number and 3 minus 15 is
This simplifies to:
Answer:
Area = 8
Step-by-step explanation:
A skecth is given in the attached file, there are two extra lines used to calculate the area with simple geometry:
We must use a double integral to obtain the area:
Where
b stands for y=2x+1
a stands for y=-x
Carring out the integrals we find the area:
Geometrically we can divide the area bounded by this lines as two triangles and a rectangle from the figure and the intersection of these lines we kno that the three figures have a base of 2. The heigth of the rectangle is 1 and for the triangles we have 4 for the upper triangle and 2 for the lower.
Therefore:
and
Summing the four areas we have:
A=8
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