04/05/16

How can I solve this one
Y=3x 2/3- x2
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04/05/16

The length of a rectangle is 2 meters longer than three times the width. Use l for the length and w for the width of the rectangle
The length of a rectangle is 2 meters longer than three times the width. Use l for the length and w for the width of the rectangle
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04/05/16

need help with this problem
If np greater than or equals 5np≥5 and nq greater than or equals 5nq≥5?, estimate Upper P left parenthesis fewer than 2 right parenthesisP(fewer than 2) with nequals=1414 and pequals=0.40.4 by... more
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04/05/16

Find all possible solutions of cos(2theta)=3 sin theta-4
a boat leaves port and sails 26 miles at a bearing of S 72 degree 25' E, then turns and sails 32 miles at a bearing on N 17 degree 35' E. How far is the boat from port and what bearing should it... more
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04/05/16

If x=0 and y=4 and when x=1 y=2 the formula is y=aXbxsquared what is a and b
X Y 0 4 1 2 2 1 3 1/2 4 1/4   the exponential function by the table can be written in the form y=ab to the X / what is a and b
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04/05/16

Quadratic equations word problem
A tunnel is in the shape of a parabola. If the tunnel is 40 feet wide and has a maximum height of 12 feet. Write the equation of the quadratic function that represents the tunnel. (Let the axis of... more
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04/04/16

Write the sum as a product / product as a sum - Can these be reduced any further?
1. Write the sum as a product: sin 3x + sin 4x 2sin (3x+4x/2) cos (3x-4x/2)= 2sin (7x/2) cos (-x/2) - can this be simplified any further? 2. Write the product as a sum: cos 5x cos 3x 1/2[cos... more
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04/03/16

4.2 Suppose probation officer caseloads have a mean of 115 offenders and a standard deviation of 10. Assuming caseload sizes are normally distributed, determine
4.2 Suppose probation officer caseloads have a mean of 115 offenders and a standard deviation of 10. Assuming caseload sizes are normally distributed, determine
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04/03/16

Question on Bearings. Help please
 A man observes a tree on a bearing of 68 degrees and a statue on a bearing of 150 degrees. The distance between the tree and the statue is 180m. Show all information on a sketch. Calculate the... more
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04/03/16

I was asked this question oraly and I didn't understood what it ment I said I don't understand
I was asked this question oraly and I didn't understood what it ment I said I don't understand what it is I was said a brilliant student would have imagined and answered the question though I still... more
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04/02/16

Finite Math
Evaluate the function.Given that f(x) =  , find f(-3)    ≈ 1.5  ≈ 9  ≈ 2.4495  ≈ 1.7321
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03/31/16

how do you find the perimeter of a rectangle
Find in the perimeter of a rectangle if the area is 40 feet 
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03/30/16

Greg is interested in buying a plot of land.
He is looking at a plot in the shape of a right triangle. A dirt road makes an altitude to the longest side of the plot and cuts the longest side into 2 parts that measure 65 ft and 83 ft. Find the... more
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03/29/16

find the third quartile and interpret it when the mean is 148 and the variance is 361 ?
in fall 1999, students in one statistics ten section determined that he length of movies at the cinema was normally distributed with a mean of 148 minutes and a variance of 361 minutes. find the... more
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03/29/16

Sum Identitys: sin(x) + cos(y) or sin(x) - cos(y)
Why are there no entries for the sum identities sin(x) + cos(y)?
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03/28/16

I need help!
What is the likely range for the population proportion voting for Bernie Sanders, if 225 voters out of a sample of 947 voters say they are voting for Bernie Sanders? Remember to calculate the... more
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03/28/16

A class of 200 students takes an exam. The students’ scores are normally distributed with a mean of 82 and a standard deviation of 5.
Find the number of students in the interval between 82 and 92.
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03/28/16

rational expression word problem
Ruth and Jerry go for a jog in Texas. Ruth jogs while Jerry roller-blades. Jerry roller blades 3 miles per hour faster than Ruth jogs. When Jerry has roller bladed 5.7 miles, Ruth has jogged 3.3... more
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03/28/16

need help answering this algebra question
Find the slope-intercept form of the given line that passes through the points (0, -3) and (4, 1). Include your work in your final answer. Type your answer in the box provided or use the upload... more
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03/25/16

Algebra word problem
How many units of a 60% solution must be mixed with 90 units of 10% to get a 50% mixture?
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03/24/16

The vertex points for a feasible region are (5,16)(5,1)(3.5,1)and (0.5,7) At which pont does the maxium value of the objective function p=6x-4y occur?
A.(5,16) B.(5,1) C.(3.5,1) D.(0.5,7   What is the maxium value of the ojective function P=4x+y, subject to the following constraints? {y<=2x+3 {y<=10 {x<=6{y>=2
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03/24/16

find the dimensions of the box that will yield the maximum volume.
By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 14 in. long and 12 in. wide,... more
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03/24/16

Probability
QUESTION 2 (25)2.1. A small town is served by three airline companies, X, Y and Z. From airport records, it is known that 45% of flights are provided by X, 35% of flights are provided by Y, while... more
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03/23/16

Algebra Homework
Find the sixth term of a geometric sequence for which ??2 = 288 and r = 1/4.
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03/23/16

Write and equation of the line containing the given point and parallel to the given line.
(5,-1) ; 4x+7y=6        Ax+Bx=c form
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