06/13/16

When two balanced dice are rolled, there are 36 possible outcomes. Find the probability that the sum is a multiple of 3 or greater than 8
No other information 
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06/13/16

Provide words showing how this could be true.
Danny and Lea each ate the same amount (area) of brownies. Danny ate 1/3 of his pan of brownies. Lea ate 1/4 of her pan of brownies.
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06/13/16

how many solutions will this equation have?
the length of a rectangle is 3 meters more than the width. the peremeter of the rectangle is 26 meters. if the width is b, which equation represents this situation? how many solutions will this... more
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06/13/16

The area of trapezoid is 210 cm^2. The height is 20 cm and the length of one of the parallel sides is 6 cm. find the length of the second parallel sides.
The area of a trapezoid is 210 cm^2. The height is 20 cm and the length of one of the parallel sides is 6 cm. find the length of the second parallel sides. Express your answer as a simplified... more
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06/13/16

Jill wants to drain swimming pool containing 600,000 L of water.
Jill wants to drain swimming pool containing 600,000 L of water. If she drains out the water at the rate of 3,000 L every hour, how many days would it take to empty the pool.
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06/13/16

x^2+8x+? Fill in the blank to make the expression a perfect square.
Fill in the blank to make the expression a perfect square.
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06/12/16

Solve 3/4=1/2+5/3x
Please help me solve this equation 
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06/12/16

if i have a 58.57% in my class and i need a 60% to pass how many questions can i get wrong of a 90 question test and its 15% of my grade
if i have a 58.57% in my class and i need a 60% to pass how many questions can i get wrong of a 90 question test and its 15% of my grade
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06/12/16

write a reasonable scale for the scale diagram
A picture is 42 cm by 36 cm. A scale diagram of the picture must fit in a space that is 3 m by 2 m. write a reasonable scale for the scale diagram.
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06/12/16

a 160 lbs person should eat a minimum of 66 grams of protein each day. How much protein should a 240 lbs person eat each day
a 160 lbs person should eat a minimum of 66 grams of protein each day. How much protein should a 240 lbs person eat each day
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06/12/16

Round your answer to nearest cent.
17kg of Yukon gold potatoes costs $26.80. Determine the cost of 5 lb of potatoes. Round your answer to the nearest cent.
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06/12/16

Your grandmother has promised to give you $30,000 in 10 years.
You figure that you can earn 10% a year (In other words r = 10%). What is the $30,000 worth to you in today’s dollars?
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06/12/16

math homework
this is a question in my algebra book.How many cubic centimeters of a 25% antibiotic solution should be added to 10 cubic centimeters of a 60% antibiotic solution in order to get a 30% antibiotic... more
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06/11/16

word problem
One state uses a license plate that contains two letters followed by four digits. How many different plates are possible if all of the letters and numbers are used ?
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06/11/16

What is the v43 ?
√43=6+(43-36)/(2√36) =6+7/12 =6+5833 =6.68 Is this correct    
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06/11/16

Find the acute angle between the diagnols of a rectangle whose sides are 5 cm and 7 cm.
The ans is 71.1 degree. I don't know the method to solve it, So please I request u to try to solve this sum I would really be thankful for it.
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06/10/16

How many possible distinct regions of the plane may be separated by any 3 such lines?
3 distinct lines contained within a plane separate the plane into distinct regions. How many possible distinct regions of the plane may be separated by any 3 such lines?
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06/10/16

Really need help for this cliff question
A man stood on top of a cliff, MN, at 50m high. He observed two ships, A and B such that the distance MA=120m and MB=150m respectively. Calculate the distance between the two ships (the cliff is a... more
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06/10/16

Shelley has been throwing pairs of socks at her laundry basket across the room. In 13 throws, 11 times the socks have landed in the basket...
Shelley has been throwing pairs of socks at her laundry basket across the room. In 13 throws, 11 times the socks have landed in the basket. On her next throw, (assuming her past accuracy holds... more
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06/10/16

Equilateral triangle
An equilateral triangle DEF has sides of x cm and height h cm. show that the area of ΔDEF is ((√3)/4)x^2 cm^2   Please show the full working. 
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06/10/16

Exponential Growth Question
I'm doing exponential growth. Initial population is 10 bacteria. Doubles every 1.5 hours.    The model for the culture after t hours is: n(t) = n2^t/a   For this culture it should be n(t) = 10... more
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06/10/16

Which of these numbers are irrational? -4,-4/5,0,0.1,square root of 5, 2.3, and square root of 25
There can be more than one answer.  Thanks in advance.
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06/10/16

Write answer using base-10 logarithms
Solve for X.   2^x-6 = 7^2x   Write the exact answer using base-10 logarithms.   Help Please.
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06/10/16

need help with math
Find all solutions of the equation in the interval [0,2pi)   tan(theta)+1=0   Write your answer in radians in term of pi. If there is more than one solution, separate them with commas.
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06/10/16

functions/real numbers/expressions
Suppose that the functions r and s are defined for all real numbers x as follows.   r(x)=4x^2 s(x)=2x   Write the expressions for (R-S)(X) and (R+S)(X) and evaluate (R x... more
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