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Questions Asked on March 28, 2013

Let ABCD be a square, and let M and N be the midpoints of BC and CD respectively. Find sin<MAN.
1. 10 answers
2. asked by Knights
3. 7,831 views
The floor of a shed has an area of 54 sq.feet. Find the length andwidth if the length is 3 feet less than twice its width.
1. 1 answer
2. asked by Lora
3. 604 views
1.) Solve the system by triangularizing the augmented matrix and using back substitution.-x-y+z=1 x-y-4z=-7 4x+y+z=6 2.) Perform
1. 0 answers
2. asked by Becca
3. 838 views
Solve the inequality algebraically8x-3 ≥ -3x^2
1. 1 answer
2. asked by Alley
3. 496 views
This is the homework exercise:You want to add 0.13 ul of DNA to 4.87 ul of extraction mix to have a final total of 5.0 ul of
1. 0 answers
2. asked by Remy
3. 344 views
Pure water has a density of 1.00 g/ml at 297 . Calculate the molar concentration of pure water at this temperature. Would i just
1. 1 answer
2. asked by K
3. 969 views
The following polynomial is prime. 2q² + 9q + 1
1. 2 answers
2. asked by anna
3. 384 views
Which of these are epics?A.Gilgamesh B.Beowulf C.The Odyssey D.All of the above E.I'm not sure.
1. 1 answer
2. asked by cora
3. 417 views
how do i convert milligrams to grams- i am in fifth grade-easiest way please.
1. 3 answers
2. asked by cc
3. 374 views
Which is the best way to learn new material?A. Use techniques that appeal only to your preferred learning style. B. Review notes
1. 1 answer
2. asked by caroline
3. 523 views
Virginia ratified the constitution with the help of all of the following men EXCEPT:a. Washington c. Henry b. Jefferson d.
1. 1 answer
2. asked by lucy
3. 548 views
Determine whether the following is a polynomial. 937g2h3 - 238gh2 + 54gh
1. 1 answer
2. asked by anna
3. 746 views
The government set up by the Articles of Confederation hada. no legislative or judicial branch. b. only a legislative and an
1. 2 answers
2. asked by lucy
3. 2,033 views
When crafting the new Constitution, the Framers drew from their experiences with which of the following?a. the governments of
1. 2 answers
2. asked by lucy
3. 960 views
the perimeter of a rectangular field is 140m. If the length is increased by 15m and breadth is decrease by 5m, the length will
1. 1 answer
2. asked by joe
3. 590 views
What works has become a classic expressions of the meaning of American democracy?
1. 1 answer
2. asked by Jane
3. 324 views
A supply company sells packs of paper by the box. Each box contains the same number of packs of paper, P. Which equation could
1. 4 answers
2. asked by Anonymous
3. 1,452 views
A certain weak base has a Kb of 8.40 × 10-7. What concentration of this base will produce a pH of 10.34?
1. 1 answer
2. asked by Anonymous
3. 394 views
In a large section of a Chemistry class, the points for the final exam are normally distributed, with a mean of 72, and a
1. 1 answer
2. asked by Hulio
3. 1,524 views
2. The discharge through a Francis turbine rotating at 150 rpm is 1.5 m3s-1. The outer and inner diameters of the turbine runner
1. 0 answers
2. asked by Anonymous
3. 434 views
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C1.
1. 1 answer
2. asked by Becca
3. 541 views
47 Fahrenheit = Celsius give answer in decimal form, to the nearest tenth?
1. 2 answers
2. asked by Alice
3. 756 views
Use the remainder theorem to find the remainder when f(x) is divided by x+2 whether x+2 is a factor of f(x)f(x)=2x^6-8x^4+x^2-5
1. 1 answer
2. asked by Alley
3. 549 views
How do I add time?If a person worked 4 1/2 hours on Monday, 4 1/2 hours on Tuesday and 2 hours on Wednesday, does that add up to
1. 2 answers
2. asked by Q
3. 574 views
body floats 1/3 of volume outside the water and 3/4 of its volume outside another liquid.what is the density of ether liquid?
1. 1 answer
2. asked by Anonymous
3. 571 views
the sum of 5 consecutive whole numbers is 2005. what is the sum of all the digits of these 5 numbers
1. 4 answers
2. asked by Mo
3. 2,565 views
Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition
1. 1 answer
2. asked by plz help
3. 531 views
if in a spinner of 1-8if the probability of even numbers is 4/8 and probability of multiple of 3 is 2/8. isn't the answer 6/8/
1. 5 answers
2. asked by Anonymous
3. 1,206 views
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C1.
1. 1 answer
2. asked by Kris
3. 953 views
1. For the three cubes shown below, determine their surface area, volume and surface area to volume ratio. Then, circle the one
1. 1 answer
2. asked by clarke
3. 424 views
Please explain on how to do each of these! *Let (x) be defined for all positive integer values of xas the product of all even
1. 1 answer
2. asked by Anonymous
3. 635 views
how did the watergate scandal gain attention? and why was an investigation launched?
1. 1 answer
2. asked by hannah
3. 458 views
Titration of 0.6500g of an acid requires 182.42 mL of 6.020x10^-3 N NaOH to reach the endpoint. What is the mass of an
1. 1 answer
2. asked by John
3. 478 views
How do you distinguish between fluorene and acetanilide? Suggest methods other than melting point and chromatography.
1. 1 answer
2. asked by Albert
3. 1,216 views
1.) Find the values of a, b, and c that will make the statement true.[5 a -2] [5 102] [3 4 –b] = [-3 -4 3] [2c 5 9] [-2 5 9]
1. 0 answers
2. asked by Kris
3. 925 views
the diamond taxi company charges an initial fee of $3.00 plus $2.00 per mile for each ride.a) using the table show the cost (C)
1. 2 answers
2. asked by Anonymous
3. 516 views
The perimeter of a triangle is 47 miles. The first side is 5 miles less than twice the second and the third is 2 miles more than
1. 1 answer
2. asked by Chris
3. 924 views
Given f(x)=(x−1)(x−2)+(x−2)(x−5)+(x−3)(x−8), what are the sum of the roots of f(x)?
1. 1 answer
2. asked by i need help from anyone!
3. 331 views
An 80 kg man is riding in an elevator from the first floor to the 34th floor. The elevator and man are moving at a constant
1. 1 answer
2. asked by please help me out!!
3. 509 views
What is the product of all roots to the equation++(x−1)(x−2)(x−3)+(x−2)(x−3)(x−4)(x−3)(x−4)(x−5)+(x−4)(x−5
1. 1 answer
2. asked by please help me out!!
3. 327 views
As x ranges over all real values, what is the minimum value of f(x)=x−123+x−456+x−789?
1. 1 answer
2. asked by please help me out!!
3. 417 views
the diamond taxi company charges an initial fee of $3.00 plus $2.00 per mile for each ride.a) using the table show the cost (C)
1. 2 answers
2. asked by Anonymous
3. 542 views
Use a half-angle identity to find the exact value for sec(x/2) if sinx = -12/13 ; 3pi/2 < x < 2pi
1. 1 answer
2. asked by Anna
3. 510 views
1.Which of the following metals is oxidized by calcium ions? *potassium zinc iron lead 2. The first electrochemical cell was
1. 26 answers
2. asked by Jack
3. 6,086 views
Which feature did the State constitutions and the Articles of Confederation have in common?a. royal governors b. bill of rights
1. 2 answers
2. asked by lucy smith
3. 941 views
The bulbs manufactured by a company gave a mean life of 3000 hours with standarddeviation of 400 hours. If a bulb is selected at
1. 1 answer
2. asked by Rajan
3. 988 views
Paula Scott, a massage therapist needs 3 ounces of a 20% lavenderoil solution. She has only 5% and 30% lavender oil solutions
1. 0 answers
2. asked by Lora
3. 477 views
Mr. and Mrs. Abdullah invest a total of $10,000 in two savingsaccounts. One account pays 5% interest and the other 6%. Find the
1. 1 answer
2. asked by Lora
3. 472 views
The price P per unit at which a company can sell all that it produces is given by the, function P(x) = 300 — 4x. The cost
1. 0 answers
2. asked by Rajan
3. 915 views
A bridge is supported at both ends (500m between supports). A Car (250 Kg) is at 100m from the left support. A truck (4000 Kg)
1. 2 answers
2. asked by Mark
3. 419 views
An air plane can travel 560 miles per hour with the wind and 480miles per hour against the wind. Determine the speed of the
1. 1 answer
2. asked by Lora
3. 926 views
Phosphoric acid is a triprotic acid with the following pKa values:pKa1=2.148 pKa2=7.198 pKa3=12.375 You wish to prepare 1.000 L
1. 0 answers
2. asked by jane
3. 781 views
write an algebraic expression that could be used to represent the perimeter of the triangle below. write the expression in
1. 2 answers
2. asked by Anonymous
3. 1,467 views
Two cars start at the same point at Alexandria, verginia, and travel Ans 50mph, 55mph 2opposite directions. One car travels 5
1. 2 answers
2. asked by Lora
3. 587 views
Two cars start at the same point at Alexandria, verginia, and travel 2opposite directions. One car travels 5 miles per hour
1. 2 answers
2. asked by Lora
3. 806 views
Part 1 :Store equipment is purchased on January 1, 2002 at a cost of $14,000 and $1,000 was spent on its installation. The
1. 0 answers
2. asked by elle
3. 841 views
determine the point of intersection of the tangents at the points of inflection to the curve f(x)= x^4 – 24x^2 – 2
1. 1 answer
2. asked by samantha
3. 1,268 views
The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The
1. 0 answers
2. asked by pat
3. 372 views
Undergraduates in a large university class were asked to record the time they spent on the most recent homework. In a histogram
1. 0 answers
2. asked by TT
3. 450 views
All numbers in our real number system are the product of prime numbers. Complete the following steps for this discussion:1. List
1. 3 answers
2. asked by Tammy
3. 697 views
What mass of KNO3 (MW=101) is needed to prepare 45omL of 0.250 M KNO3 in water?
1. 2 answers
2. asked by Kishwa
3. 773 views
What is the molarity (moles per liter) of an aqueous solution that is prepared by dissolving 5.58g NaOH (MW=40) in enough water
1. 2 answers
2. asked by Kishwa
3. 519 views
Explain why .100 m NaCl in water does not have a freezing point equal toa) -0.183 degrees Celsius b) -0.366 degrees Celsius
1. 0 answers
2. asked by Swagdeep
3. 1,068 views
need to know how to find the distrbutive property of 50x62,159= (50x )+(50x )+(50x100)+(50x50)+(50x9)
1. 1 answer
2. asked by Alaina
3. 546 views
The triprotic acid H3A has ionization constants of Ka1 = 9.9× 10–2, Ka2 = 2.7× 10–8, and Ka3 = 5.9× 10–11.a). Calculate
1. 1 answer
2. asked by Laura
3. 904 views
The scatter diagram of midterm scores and final scores in a large class is football shaped. For about 80% of the students, the
1. 0 answers
2. asked by eh
3. 433 views
A 62.0 skier is moving at 6.10 on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.30 long.
1. 1 answer
2. asked by mira
3. 780 views
The upper surface of a cube of gelatin, 6.9 cm on a side, is displaced 0.67 cm by a tangential force. If the shear modulus of
1. 0 answers
2. asked by zena
3. 358 views
I apologize for asking the same question, but I misunderstood the directions.The following sentences are written in the present
1. 1 answer
2. asked by Anonymous
3. 781 views
A 92-kg man's thighbone has a relaxed length of 0.56 m, a cross-sectional area of 6.0 10-4 m2, and a Young's modulus of 1.2 1010
1. 1 answer
2. asked by zena
3. 604 views
Siberian tigers originated in the far northern continent of Asia. The climate is extremely cold, since much of the land is
1. 3 answers
2. asked by Anonymous
3. 494 views
DM Co. sells computer parts by mail. The company claims that at least 90% of all orders are delivered on time. A sample of 150
1. 0 answers
2. asked by Steven
3. 531 views
A hospital claims that the mean waiting time at its emergency room is 25 minutes. A random sample of 16 patients produced a mean
1. 1 answer
2. asked by Steven
3. 685 views
Phosphoric acid is a triprotic acid with the following pKa values:pKa1=2.148 pKa2=7.198 pKa3=12.375 You wish to prepare 1.000 L
1. 1 answer
2. asked by Laura
3. 974 views
PLEASE EXPLAIN IN YOUR OWN WORDS PLEASE PLEASE HELP IN YOUR OWN WORDS PLEASE. :( :(1) Explain the similarities and differences
1. 15 answers
2. asked by Jane
3. 835 views
Special education services for young children are with disabilitiesa. cannot be enforced through laws b. depend on parent
1. 2 answers
2. asked by Emily
3. 428 views
I need help with these! I got B for 1. C for 2. and D for 3. Thanks for the help!1.) Find the values of a, b, and c that will
1. 1 answer
2. asked by Kris
3. 409 views
Janet has been attending Killian High School for three years. At the beginning of her senior year, she is enrolled in Ms.
1. 1 answer
2. asked by kala Noja
3. 485 views
how many posts will be needed if the fence has 47 sections?
1. 1 answer
2. asked by bootycall
3. 334 views
In an excess of NH3(aq), Cu2+ ion forms a deep blue complex ion, Cu(NH3)42+, which has a formation constant Kf = 5.6 1011.
1. 5 answers
2. asked by hannah
3. 2,285 views
a copy machine makes c copies in m minutes according to the equation c=60m. what is the unit rate of copies per minute?I think
1. 1 answer
2. asked by Ellie
3. 460 views
The reading list for a literature class has 6 fiction and 8 nonfiction books. A student is to write a report on 5 books from the
1. 1 answer
2. asked by Ira
3. 1,406 views
how many posts will be needed if the fence has 47 sections?
1. 1 answer
2. asked by booty
3. 364 views
If a pie chart were created to represent the distribution of smartphone preferences among 500 individuals, and 320 participants
1. 0 answers
2. asked by Jack 'N Jill
3. 4,332 views
Japan, the European Union, Canada, and Mexico have flexible exchange rates.Suppose Japan attracts an increased amount of
1. 2 answers
2. asked by Macroeconomics
3. 2,447 views
An orchestra consists of 25 members. The youngest member is 32 years old. She leaves and is replaced by a new member who is 30
1. 0 answers
2. asked by Andrea
3. 369 views
The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function.C(
1. 0 answers
2. asked by Kaleia
3. 503 views
If 1g of sodium-24 has decayed from a sample that was orinally 2g. How old is the sample?
1. 1 answer
2. asked by michael
3. 924 views
Weights of male mountain lions follow the normal distribution with a median of 150 lb and an interquartile range of 8.2 lb. Fin
1. 3 answers
2. asked by Andrea
3. 634 views
what is a rectangular area model?
1. 0 answers
2. asked by robert
3. 280 views
The Thompson Company uses standard costing and has established the following direct material and direct labor standards for each
1. 1 answer
2. asked by lisa
3. 928 views
Simplify (sin^2)*(67.5deg) - (cos^2)*(67.5deg) and then evaluate exactly.
1. 4 answers
2. asked by Max
3. 531 views
Jimmy jumped into a lake from a 12-foot-high cliff with an initial upward velocity of 7 feet per second. Find the time in
1. 1 answer
2. asked by Nancy
3. 352 views
Red Scarf Girl - I need a 3-4 sentence summary, central idea, and a quote from the book that would support the central idea.
1. 1 answer
2. asked by Victoria
3. 681 views
a park is 3/4 mile long and 1/2mile wide. Which fraction represents the ratio of the parks length to its width?I did it by 3/4
1. 2 answers
2. asked by Ellie
3. 2,490 views
a lab assistant wants to make 5 liters of 27.8% acid solutions. if solutions of 50% and 13% are in stock, how many liters of
1. 2 answers
2. asked by Anonymous
3. 643 views
did Millard Fillmore want woman rights ?
1. 4 answers
2. asked by ear
3. 1,079 views
1.A person's belief that he or she needs a drug to feel good or function normally (1 point) addiction psychological dependence
1. 1 answer
2. asked by Anonymous
3. 596 views
The population mean length of a hospital stay for surgery is 5.5 days and the standard deviation is 1.9 days. What percentage of
1. 3 answers
2. asked by tmouery
3. 871 views
can you describe the process of cellular respiration.include the words:sugar,energy,carbon dioxide,and water
1. 1 answer
2. asked by amanda
3. 459 views

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