02/12/15

A student scores 61 on a test. The class average is 81, with a standard deviation of 10 points. What percentage of the class scored below this student?
A student scores 61 on a test. The class average is 81, with a standard deviation of 10 points. What percentage of the class scored below this student?   How do I solve this problem?  Any help... more
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02/12/15

trigonometric function
What is the vertical translation of y=-2+1/3sin((1/4)*x)?
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02/12/15

trigonometric function
Write the following expression in u (assuming u>0):   sin arccos (3)/(√4u2+9)
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02/12/15

how to calculate for square footage?
have 4 widows measuring 40" x 50", what is the square footage?
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02/12/15

need to solve this and need to know how you got it 2x+36<4 my answer is 38>4
is 2x+36<4 how would i get the answer need to understand why and how i got the answer
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02/12/15

I have to sketch a graph for the rational equation with all asymptotes included where are the asymptotes and what points work for drawing the graoh
F(x)=X^2-4/x^2-3x+2
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02/12/15

inverse functions
for the function f(x)=√x-6+1, find the inverse function
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02/12/15

Algebra Help
The area of a rectangular field is equal to 300 sq meters. Its perimeter is equal to 70 meters. Find the length and width of this rectangle.
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02/12/15

find the dimension of the rectangle that has a perimeter of 44 inches and a legth that is two more than three times the width
find the dimension of the rectangle that has a perimeter of 44 inches and a legth that is two more than three times the width. I need to get te the:   x = ______________ =... more
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02/11/15

A Circle centered at (2,3) has a radius of 5. What is the distance of point (9,-1) to the tangent line of the circle at x=6?
A Circle centered at (2,3) has a radius of 5. What is the distance of point (9,-1) to the tangent line of the circle at x=6? The shortest distance
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02/11/15

what is x^2 +3x+8 is prime
it is a polynomial question
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02/11/15

Line EF is tangent to circle G at point H. segment GH is a radius of circle G. What can be concluded about triangle FHG
Line EF is a tangent to circle G at point H. Segment GH is a radius of circle G. What can be concluded about triangle FHG
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02/11/15

Determine the domain and range of the relation {(-4,7), (12,1),(-2,-6),(9,-1),(5,-3)}
Determine the domain and range of the relation for each
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02/11/15

What is the domain in interval notation of g(x)=log(x+3/x+4)
Please answer my question step by step find the domain in interval notation
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02/11/15

Estimate population as a function?
The population of a colony of rabbits grows exponentially. The colony begins with 5 rabbits; 5 years later there are 370 rabbits.   (a): Express the population of the colony of rabbits, P, as a... more
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02/11/15

need help fast
A plumber charges a flat rate for coming to a person’s home and then charges an hourly rate for the amount of time he spends there. The amount of money he charges is given by the function equation... more
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02/11/15

Indices worded problem
It was estimated that there were 4×10 10 locusts in the largest swarm ever seen. If each locust can consume 2 grams of grain in a day, how long would it take the swarm to consume 1 tonne of grain?.
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02/10/15

find a polynomial in standard form of degree 4 with 0 as a root with multiplicity 1. -4 as a root with multiplicity of 2, and 5 as a root with multiplicity of 1
degree 4 with 0 as a root with multiplicity 1
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02/10/15

distributive property question n + 10 (5n - 7)
I need a little bit of help with this question. Will it be 5n +3?
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02/10/15

Find a pair of integers X and Y that satisfy 7x+3y=64 and one of the integers is three times the other
How do I find X and Y?
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02/10/15

A class contains 10 boys and 20 girls. Five people are chosen randomly. What is the probability that all five are boys? All girls?
A class contains 10 boys and 20 girls. Five people are chosen randomly. What is the probability that all five are boys? All girls?
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02/10/15

Write two addition equations for the following word problem
there are twice as many woodwinds (w) as brass (b) instruments in an orchestra and the total is 150.
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02/10/15

top 35% and minimum score
The combined math and verbal scores for students taking a national standardized examination for college admission, is normally distributed with a mean of 880 and a standard deviation of 230. If a... more
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02/10/15

Find the area of the triangle PQR where P, Q, and R are points on the unit circle located at angles p/3, p, and 7 p/4 respectively.
Find the area of the triangle PQR where P, Q, and R are points on the unit circle located at angles π/3, π, and 7 π/4 respectively.
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02/10/15

Classify quadrilaterals
Hi tutor,   my daughter in 3 grade.  She is now learn geomerty.  I have 2 questions i am not sure the answer is correct please explain to me.  Thank you.   question #1:  i am a polygon that... more
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