## PARCC Practice Book, Mathematics

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Ask question #Minimum 100 words acceptThe top of Kevin''s dining room table is 4 feet long, and 3 feet wide. Kevin wants to cover the middle of the table with tiles. He plans to leave a 6 inch border around the edge of the table and tile in the center. How many square feet of tile will he need?ed#

#### Describe a business, a. Write an exponential function that could model the ...

a. Write an exponential function that could model the information in this graph.   b. Describe a business, scientific (not mathematical), or economic situation for what thi

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#### Simplex method, max z=3x1+2x2 s.t x1+2x2 3x1+2x2>=6 x1+4x2 ...

max z=3x1+2x2 s.t x1+2x2 3x1+2x2>=6 x1+4x2 x1,x2,x3>=0

#### Simple harmonic motion, prove that the composition of two simple harmonic o...

prove that the composition of two simple harmonic of the same period and in the same straight line is also a simple harmonic motion of the same period.

#### Rules of vector multiplication - linear algebra and matrices, What are the ...

What are the Rules of vector multiplication?

#### Mean deviation, is that formula of sample and population for mean deviation...

is that formula of sample and population for mean deviation is the same?

#### Construction , construct of tangents a circle from an external point when ...

construct of tangents a circle from an external point when its centre is not known

#### Given x+1/x=2cosy then find x^n +1/x^n, Here we know x can only be 1 or -1...

Here we know x can only be 1 or -1. so if it is 1 ans is 2. if x is -1, for n even ans will be 2 if x is -1 and n is odd ans will ne -2. so we can see evenfor negative x also an

#### Analytical geometry, convert the equation 4x^2+4y^2-4x-12y+1=0 to standard ...

convert the equation 4x^2+4y^2-4x-12y+1=0 to standard form and determine the center and radius of the circle. sketch the graph.

#### Linear equation in two variables., draw the graph of following pair of line...

draw the graph of following pair of linear equation:-2y=4x-6