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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 460349: What is the maximum and minimum of f(x) = 20sin3(pi)x + 140 where 0 Click here to see answer by stanbon(57984)

 Question 460471: The order of the differential equation of all parabolas having their axes of symmetry coinciding with x-axis is : Click here to see answer by Edwin McCravy(8999)

 Question 460590: Graphing quadratic functions: y= x^2+16x+29 I need the vertex and the direction Thank you so much! Click here to see answer by richwmiller(9144)

 Question 460624: an alligator's tail length, T, varies directly as its body length, B. An alligator with a body length of 3.5 feet has a tail length of 3 feet. what is the tail length of an alligator whose body length is 4.9 feet? Click here to see answer by sudhanshu_kmr(1152)

 Question 460627: one's intelligence quotient, or IQ, varies directly as a person's mental age and inversely as that person's chronological age. A person with a mental age of 27 and a chronological age of 20 has an IQ of 135. What is the chronological age of a person with a mental age of 30 and an IQ of 120? Click here to see answer by sudhanshu_kmr(1152)

 Question 460743: For the 4th of July picnic,Teresa is preparing a selection of meat dishes. She is cooking 6 1/2 pounds of hot dogs,5 3/4 pounds of hamburger, and4 5/8pounds of cold cuts. Assuming that each person will eat 5/8 pounds of meat during the day long picnic,how many people will Teresa's meat dishes serve? Click here to see answer by stanbon(57984)

 Question 460763: Evaluate the series. 4 ∑ (2k+1) = K=1 Thank you Remi Click here to see answer by jim_thompson5910(28717)

 Question 460841: the measure of the side of a regular polygon are integers and it's perimeter is 91 this polygon could be. Click here to see answer by pallavi(12)

 Question 460840: In triangle ABC, m(AB) = 8, m(BC) = 16, m∠x = 90° FIND m∠A Click here to see answer by Edwin McCravy(8999)

 Question 460916: Find the ratio of 22 ft to 55ft inthe simplest form Click here to see answer by MathLover1(6815)

 Question 460919: Find the rate of earning 111 in 3 hours Click here to see answer by edjones(7569)
 Question 460919: Find the rate of earning 111 in 3 hours Click here to see answer by MathLover1(6815)

 Question 460986: Mr. Lacey is a lumberjack. Using his power saw he can cut a log into 4 pieces in 6 minutes. How long would it take him to cut a log into 5 pieces. Click here to see answer by JimboP1977(308)

 Question 461015: If eleven is added to the square of a number, the result is sixty. Find all such numbers. Click here to see answer by richard1234(5390)

 Question 461117: Rita has a collection of 105 coins consisting of nickels, dimes, and quarters. The number of dimes is 5 more than one-third the number of nickels, and the number of quarters is twice the number of dimes. How many coins of each kind does she have? Click here to see answer by stanbon(57984)

 Question 461045: how do you simplify radical expresions? are there certain rules to follow for each of the numbers? how do you you work a problem such as - (check) 20 + 2 (check) 18 ? Click here to see answer by richard1234(5390)

 Question 460446: m-3 over 2-3 find value that make expression undefined. Click here to see answer by richard1234(5390)

 Question 461226: A tv cost \$ 312. With 35% sale what is the original price? Click here to see answer by rfer(12731)

 Question 461315: Can you explain to me what trinomials are ? Click here to see answer by MathLover1(6815)

 Question 461491: Which point lies on the line whose equation is x-3y=6 Click here to see answer by MathLover1(6815)