04/20/15

Please help. see description, Please click on the question to read it accurately
    How do you find the anti derivative?              3x-2  f(x)=------          5x2
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04/20/15

Does the correlation coefficient have anything to do with the equation of a line of best fit?
I do not need to know about when it's close to zero or 1 or -1, I need to know if it matters in relationship to the actual equation of the line of best fit
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04/20/15

if 2 is added to a number and the sum is tripled the result is 20 more then the number. whats the number?
if 2 is added to a number and the sum is tripled the result is 20 more then the number. whats the number?  so i dont get how would you get to the number 
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04/20/15

pentagon has 2 x unknows and 3 90 degree angles
figure has 3 90 degree angles. start at left corner 1 angle, 2nd corner 2nd angle, 3rd corner is 3rd 90 deg. <.  continue up the figure , the next < is x, last < is x.    So, there are 3... more
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04/20/15

Chas and Tyler have been collecting video games. Chas has 25 video games, and Tyler has m video games. Together they have a total of 65 video games.
Please solver this algebra problem for me
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04/20/15

How many different values are possible for the random variable Y?
involving drawing calculators from a box of working and broken calculators. Assume that the box contains 14 calculators: 12 that work and 2 that do not work. A sample of 3 calculators is selected... more
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04/20/15

What is the expected value of the coin selected (in cents)?
Assume that the drawer contains 12 coins: 3 quarters, 5 dimes, and 4 nickels. One coin is randomly selected.What is the expected value of the coin selected (in cents)?
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04/20/15

simplify the square root below
simplify the square root below √12x^22
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04/20/15

How to prove the identity
COT^2x+COS^2x+SIN^2x=CSC^2x
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04/20/15

Determine whether the given order pair is a solution of the system of equations
Determine whether the given order pair is a solution of the system of equations. Remember to use the alphabetically order varablies. (4,1); 2x-5y=3 6x-7y=17 Is the Given pair a solution? Yes or No.
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04/19/15

Find the inverse of f(x)=10+13x9,if it exists.
 Find the inverse of f(x)=(10+13x)/99,if it exists.   Enter any noninteger coefficient as a fraction. If there is no inverse, enter "none". f-1(x)=
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04/17/15

this is the answer.... _+log_(_____)..... __ Meaning fill in the blanks
Use the properties of logarithms to expand the following expression as much as possible. Simplify any numerical expressions that can be evaluated without a calculator. log4(12x+8y)
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04/16/15

Calculate the length R...
Calculate the length R of the semimajor axis of a planet whose period is 231 days. ____ AU
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04/16/15

Calculate the period T...
Calculate the period T of a planet whose orbit has a semimajor axis of 2.1 AU. ____ y
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04/16/15

Physics-Energy/ conservation of energy
Question: At a water park, Hugo climbs a 15.00m springboard, in 22.00s, to execute his famous THUNDER CANNON BALL. Hugo jumps up at 6.000m/s [up] off the end of the diving board and propels his... more
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04/16/15

Radical Expressions
Can some explain to me how to simplify this radical expression √2+√7/√8+√7
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04/16/15

LOGARITHM HELP
Write as the sum or difference of logarithms. 1. log_6((2x^3)/3) 2. ln (x^2 y) 3. log_7 (sqrt xy^3) HELP!!!
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04/16/15

A sector has central angle 2.11 rads and the ratio of its area to arclength is 3. Find the radius
Help me 
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04/16/15

trying to find the volume
the area of the top of a rectangular box is 324in. squared, the area of the front of the box is 135 in. squared, and the area of the end is 60 in. squared. What is the volume of the box?
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04/15/15

Suppose thata dilation is executed with a scale factor of 1. How would the preimage relate to to image? Use example to justify answer.
Hi again! Another problem on dilation I don't understand. Thanks for all your help!!!!!
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04/15/15

-tan2 x + sec2 x = 1
Verify each trigonometric equation by substituting identities to match the right hand side of the equation to the left hand side of the equation. 
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04/14/15

Isosceles Trapezoid
Isosceles Trapezoid ABCD has legs AB and CD and base BC. If AB= 5x+6 and BC= 8x+1 and CD=7x-9, find the value of x 
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04/13/15

19218 gas masks of the military were tested, 10322 ere defective. if 2 gas maskare selected, find the probability that they are both defective.
a.assume that the first gas mask is replaced before the next on is selected.   b.assume that the first mask is not replaced before he next one is selected.
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04/13/15

If 185.0g of magnesium are recovered from 1000.g magnesium chloride,what is the percentage yield for this reaction
magnesium is obtained from sea water in the following 3 step process. First, calcium hydroxide is added to sea water to precipitate magnesium hydroxide. Then the precipitate is filtered and reacted... more
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04/13/15

a Dr orders 500mg of tylenol. you have tylenol in a vial that contains 350 mg for every .5 teaspoons. How many mL will you give?
I cannot remember how to set this problem up or how to solve it.  Any help would be appreciated. 
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