07/02/15

Which two points both lie on the graph of y = log 2 x?
Algebra 2 graphing  
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07/02/15

Please help explain these questions
a.What is a permutation of a set of distinct objects? b. How many permutations of a set five distinct objects taken three at a time are there?
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07/02/15

6^2/2(3)+4
I just want to know if 2 and 3 should be multiplied since 3 is in parenthesis..... a few people I know believe that just because 3 is in parenthesis that it doesn't apply to the PEMDAS rule. Please... more
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07/02/15

Algebra/time problem
Working at constant rates, Mary and John can complete a particular jigsaw puzzle in (x+1) hours and (x-1) hours respectively. If they work together, the same jigsaw puzzle can be completed in... more
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07/01/15

solve problem
Using radian measure, find two positive angles and two negative angles that are coterminal with the angle   π/4   or (PI over 4) 
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07/01/15

Regina received a score of 39 out of 52 on a quiz.What percent did she earn?
 I have no description
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07/01/15

divide. Express your answer in simplest radical form.
I'm not sure what simplest radical form is. I'm getting two different answers for this problem.    a) √(270a3)/5√(3a-5)     b)3√(-8a3b) / 3√(27b10)
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07/01/15

Units and dimensions problem
Can someone please show me the easiest method to do the below mentioned type of question?   If energy(E), momentum(P) and force(F) are chosen as fundamental dimensions, what will the dimensions... more
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07/01/15

math help asap
the total imports of petroleum (in thousands of barrels per day) in a given year are approximated by the polynomial-38x^3+21x^2-13x+13734 where x represents the number of years in 2005. the... more
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06/30/15

Write with only positive exponents and simplify, if possible.
a)9-3/2     b) m2/3n1/5÷m1/3n
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06/30/15

convert to exponential form and simplify.
Assume all variables represent positive numbers. (I'm not sure what that means)     a) (2√x)3/3√(x )       b) 6√(y3 z)⋅√y/3√z
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06/30/15

the edge of a cube measures 2.2 * 10^-6 m. what is the volume of the cube in cubic centimeters?
i have trouble in math but i am good well a little good at it and i am going to pre-algebre
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06/30/15

If the silver top is ten times more expensive as stainless steel, what are the most economical dimensions (height and radius) of the container if it is to...
... Hold 314cm3. The figure is a cylindrical figure and the sides are stainless steel except for the top.
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06/30/15

what is the approximate area of the shaded sector in the circle shown below? 14in. 30 degrees
a. 3.67in2 b. 7.33in2 c. 205in2 d. 51in2
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06/30/15

The sum of two numbers, x and y, is 12. The difference of x and two times y is 6. What are the values of x and y?
A.x = 8, y = 4B.x = 10, y = 2B.x = 18, y = -6C.x = 20, y = -8
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06/30/15

solve problem
Complete Table     Distance, s(arc length)                  Radius, r                     Angle θ                  7ft                                     2 1/4 ft                      ... more
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06/30/15

solve problem
a flywheel with a diameter of 8 cm is rotating at a rate of 6 radian per second. What is the linear speed of a point on its rim in centimeters per minute.   The linear speed is approximately... more
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06/30/15

If an angle is 20 degree more than its supplement,then find it.
if an angle is 20 degree more than its supplement, then find it.  
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06/30/15

Susan saved $345 in $5,$10 and $50 notes. There were 35 notes altogether. She had 4 more $10 notes than $50 notes. How many $5 notes did she have?
I do not know the formula. it is difficult.
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06/30/15

s=2pirh+pir^2 solve for r
S=pirh+pir^2 solve for r is an Algebra 2 problem and I have been trying to solve it for hours. Help!!
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06/30/15

Convert this to algerbraic or mathematical expression
Need to convert this to a mathematical expression Or algebraic expression   A forester mixes gasoline and oil to make 2 gallons of mixtures for his two-cycle chainsaw engine. This mixture is 32... more
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06/29/15

I am not sure if im on the right track?
 For the polynomial, f(X) = (7-3x^6)^4(2-5x^3)^5(x-7)^3 it wants me to find the degree, leading term, the leading term coefficient, and the value of coefficient.   my answer I got for the degree... more
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06/29/15

find the equation of the line tangent to y = -5x + 3x at (2, -14)
 I need help with this calculus question.
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06/29/15

The number of daily news paper in a country was 2352 in 1900 and 1231 in 2010
Find the absolute change and the percentage in the following case. 
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06/29/15

Kate has 21 coins (nickels and dimes) in her purse. How many nickels and dimes does she have if she has $1.50?
do this in substitution
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