10/04/16

Word problem solver
On her daily homework assignments, Gina has earned the maximum score of 10 on 15 out of 40 days. The mode of her scores is 7 and her median is 9. Assuming scores are whole numbers, what is the... more
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10/04/16

Simple Stats Questions But Confused Need Help Soon *TRYING TO MAKE SICK DAD PROUD*
A survey is conducted to see which gender is more likely to shop online. Amongthe 1000 people selected, 60% of females shop online, 40% of males shop online, and 55% arefemales.1. What is the... more
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10/03/16

How can I standardize a random variable that is normally distributed?
How can I standardize a random variable that is normally distributed?
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09/30/16

for what value of c will the funciton x^6+9x^4+26x^2 +C have real roots?
I have the answer of -2, I just don't know how they got it.
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09/14/16

Combination or Permutation
From our class, (20 females, 15 males), four students are to be chosen to form a committee. In how many different ways can the student be chosen such that there would be at least one female?
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09/03/16

AREA OF ISOCELES TRIANGLE IS 48CM^2 .THE SIDES OF UNEQUAL LENGTH IS 16 CM .THEN FIND THE PERIMETER OF THE TRIANGLE ?
CLASS 9TH  HERONS FORMULA  CBSE DELHI INDIA
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09/02/16

If you have 3 daughters and 5 dollars how many ways can you distribute the money among the daughters.
If you have 3 daughters and 5 dollars how many ways can you distribute the money among the daughters. A daughter can receive all the money or none of the money. How many different possibilities can... more
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08/28/16

if an equation ax^2 + Bx +6 = 0 does not have distinct real roots then ,the least value of 3a +b will be ?
if an equation ax^2 + Bx +6 = 0 does not have distinct real roots then ,the least value of 3a +b will be ?
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08/27/16

2e^-x-e^x=0
solve the equation 
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08/26/16

What value of x will result in a rectangle with maximum area among all these rectangles?
Consider a rectangle, with a fixed perimeter of 200 units. Let  dimensions of the rectangle be represented by x and 100 - x. By changing  the value of x we can generate a lot of  different... more
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08/24/16

A rectangle game board measures 126 cm by 90 cm. The game board is divided into small squares of equal size.
Find the longest possible length of the side of one of the small squares.  And find the least number of squares the game board can be equally divided into.
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08/23/16

Bowling balls come in packages of 7 and 11. What is the largest number of bowling balls that you cannot order?
For example, I cannot order exactly 10 bowling balls.
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08/22/16

Geometric Descriptions
Give a Geometric description of the set of points in space whose coordinates satisfy the pair of equations or inequalities.    1) z=x+1 , no restriction on y   2) x2+y2+z2=25, x=3
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08/21/16

What is x equal to in this equation
1=sqrt(x+sqrt(x+sqrt(x+sqrt(x+... Using a substition, it seems you can get 1=sqrt(x+1), but that leads to x=0, which seems wrong when you plug it back into the original equation.
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08/20/16

About 1/20 if the population of the world lives in South America. If about 1/35 of the population llives in Brazil, what fraction of the population of South Ame
I know that the answer is 1/700 because I corrected the paper and that was the correct answer.. but I'm not sure at all how to get that answer.      Original Question: About 1/20 if the... more
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08/17/16

A jar contains exactly 6 balls : 5 red and 1 blue. if 5 balls are drawn from the jar at random all without replacement. what is probability they are all red?
A jar contains exactly 6 balls : 5 red and 1 blue. if 5 balls are drawn from the jar at random all without replacement. what is the probability they are all red?
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08/14/16

Let f(x)=4.1sin(x)+2.4cos(x). What is the maximum and minimum value of this function?
Let f(x)=4.1sin(x)+2.4cos(x). What is the maximum and minimum value of this function?         note: I tried the last answer and it ended up being incorrect on the wamap system        
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08/13/16

Jason rolls a fair number cube labeled 1 through 6, and then he flips a coin. What is the probability that he rolls a 3 and flips a head?
i just need help . quick fast and in a hurry.
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08/13/16

At proximately what time after 12oclock will the hour and the minute hand of a clock form angle of 120 degree for tge second time
What is thr answer
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08/11/16

Mason began swimming 2 seconds earlier than Nora. Mason swam at a speed of 2 feet per second. Nora swam at a speed of 7 feet per second.
For how many seconds had Mason been swimming at the moment when the two swimmers had swam exactly the same distance?
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08/11/16

How can the probability be represented using 2 dices?
a train is early 1/6 of the time, on time 1/2 of the time and late 1/3 of the time. What are the probability of the train arriving late two times in a row? How can the probability be represented... more
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08/08/16

a^2+b^2=25,a^3+b^3=91.
Find the value of a and b.
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08/06/16

how to use central limit theorom to find probaility
Use the Central Limit Theorem to find the indicated probability. The sample size is n, the population proportion is p, and the sample proportion is .n = 160, p = 0.29; P( > 0.3)
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08/05/16

If 1 billion people, all each flip a coin 100 times, what are the chances that at least 1 of them will get heads on every single flip?
If 1 billion people, all each flip a coin 100 times, what are the chances that at least 1 of them will get heads on every single flip?
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08/04/16

Product of X and y
If X+y=7 and X-y=9, find the product of x and y.
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