02/15/15

The hypotenuse of a right triangle is 10cm long. The shorter leg is 2cm shorter than the longer leg. Find the side lengths of the triangle.
The hypotenuse of a right triangle is 10cm long. The shorter leg is 2cm shorter than the longer leg. Find the side lengths of the triangle.
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02/15/15

Write with absolute symbols
A sheet of steel is to be 0.35 inch thick, with a tolerance of 0.025 inch. Express this specification with an inequality containing an absolute value. (Use x as the variable.)
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02/15/15

help me? i cant figure this out.
Strontium 90 is a radioactive material that decays according to the function A(t) = A0e^-0.0244t, where A0 is the initial amount present and A is the amount present at time t (in years). Assume... more
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02/15/15

make a table showing the active amount of active penicillin in your blood for 7 days after a 300-milligram dose
about 180 milligrams will remain active in your blood after 1 day. The amount of penicillin decreases exponentially 
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02/15/15

Revenue costs
The monthly total for a product is given by R(x) = 300x-0.01x2 dollars, where x is the number of units sold.(a) To maximize the monthly revenue, how many units must be sold?(b) What is the maximum... more
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02/15/15

math finite math
At South Park Senior High School, there are 378 students in the Junior Class and 270 students in the Senior Class. To let the juniors work with more experienced students, the teachers want to... more
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02/15/15

For a pair of triangular earrings, how can you tell if they are similar? How can you tell if they are congruent?
What is a triangular earrings? I don't get what the questions means.
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02/15/15

What is the possible discriminant of the graph?
a parabola opening up one x intercept near negative 6   Choose one answer. A. -17   B. zero   C. 12   D. 49
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02/15/15

If HK = 6, and AC = 14, and BK = 9, then what is BC equal to?
Construct triangle BAC, with base AC. Construct segment HK inside triangle BAC, such that segment HK is parallel to segment AC. Let H intersect segment BA, and K intersect segment BC. 
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02/14/15

How many pages are there in the book?
Damien is reading a novel, he calculated that in total the novel used 1431 digits altogether to number the pages of the book. How many pages are there in the book?   a. 106 b. 112 c. 119 d. 126
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02/14/15

Alegbra word problem
John collects old cans to turn in for money at a recycling company. He has collected 12,000 pounds of cans already, for which he could receive $4 per hundred pounds. He can continue collecting at... more
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02/14/15

what is the down payment
  home sold for $129,000 with a 30 year fixed rate of 5.00% . Paid 30% of purchase price. What is down payment
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02/14/15

Statistics factorials
44!/(44-4)!   how do I solve this problem? I know how to input the factorials in a T1 84+ calculator, but the numbers I'm coming up with are too large to work out a solution.
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02/14/15

slope 7/4 and y intercept (0,8/5)
Having problems understanding how to work out problems of linear function and slopes of lines and y-intercept
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02/14/15

a rubber band is equivalent to approximately 1/4 of a gram. and a bag of rubber bands equals about 10000 grams. how many rubber bands would there be in 5 bags?
This is a personal question of mine for valentines day. I'm writing a note and need this info please.
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02/14/15

Need help finding the inverse function?
Find the inverse of the function of:     f(x)= 2x3 - 6     And verify that they are inverses.
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02/13/15

Free-Fall Motion
As a promotion for the Houston Astros downtown ballpark, a competition is held to see who can throw a baseball the highest from the front row of the upper deck seats, 83ft above field level. The... more
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02/13/15

find the number of different ways that the nine players on a baseball team can line up for the National Anthem by evaluating 9
find the number of different ways that the nine players on a baseball team can line up for the National Anthem by evaluating 9
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02/13/15

create an equation to represent the total amount of money matt and Phil earned based on the number of cookies Matt made.
Phil and Matt made cookies for a fundraiser. •Phil made 25% more cookies than Matt. •The cookies sold for $0.25 each. •After the sale, 20% of the cbined total of their cookies remained.
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02/12/15

Reading problems
There are about 6,000 stars that are visible to the unaided eye. About 600,000 stars can be seen with a telescope with a lens that is three inches in diameter. How many more stars can be seen with... more
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02/12/15

What speed is it falling?
A ball is dropped from the top of a 94-m-high building. What speed does the ball have in falling 2.8 s?
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02/12/15

solve the equation 2x + 4 = –3x + 14. Examine the work of and Identify any errors made explain, using complete sentences, what corrections they should make.
Algebra 1 review word problem 
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02/12/15

Hard Geometry Problem
Two circles are tangent to two lines. The two circles have diameters 46 cm and 76 cm. The points of tangency are points A and B. Line segment AB measures 48 cm.How far are the centers of the two... more
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02/12/15

The side lengths of a right triangle are doubled to make a second triangle. Does the perimeter double as well?
this question is under the topic of angles and triangles.
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02/12/15

Ratios, Algebra
Gold star gets a free pass. For every 2 gold stars there are 18 silver, 16 purple, and 12 green stars handed out. If there are 382 total stars, how many are gold stars?
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