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2012
April

Questions Asked on April 9, 2012

a large triangle is 15ft and the small triangle is 9ft.the triangles sre similar what is the ratio (larger to smaller) of the
1. 22 answers
2. asked by kevin
3. 11,563 views
An 8.00kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at 53.0 degrees below the horizontal. The
1. 3 answers
2. asked by Amisha
3. 11,336 views
Two point charges are separated by 8 cm. The attractive force between them is 14 N. If the two charges attracting each other
1. 7 answers
2. asked by Jake
3. 8,284 views
Find the pH during the titration of a 20.00mL of 0.1000 M butanoic acid, CH3CH2CH2COOH (Ka=1.54 x10^-5), with the addition of 10
1. 1 answer
2. asked by anonymous
3. 6,612 views
The quantity demanded each month of russo Espresso Makers is 250 when the unit price is $140; the quantity demanded each month
1. 1 answer
2. asked by Terri
3. 5,863 views
The pentagons below are similar. The area of the smaller pentagon is 30m^2. What is the area of the larger pentagon in m^2?Small
1. 17 answers
2. asked by kevin
3. 5,486 views
You are paid $8.55/hr at your part-time job. You work 10 hours per week. You are considering working a part-time job for
1. 2 answers
2. asked by Cindy
3. 4,898 views
A bag contains 5 pictures of Paris and 7 pictures of London. Determine whether the events of selecting the picture of London and
1. 2 answers
2. asked by A
3. 4,569 views
An investment firm has a job opening with a salary o $30,000 for the first year. Suppose that during the next 39 years, there is
1. 3 answers
2. asked by Maya
3. 3,885 views
In a hydraulic lift, the radii of the pistons are 2.93 cm and 10.1 cm. A car weighing W = 11.0 kN is to be lifted by the force
1. 2 answers
2. asked by Akbar
3. 3,485 views
Suppose that the scores of architects on a particular creativity test are normally distributed. Using a normal curve table, what
1. 4 answers
2. asked by Michael
3. 3,270 views
During each heartbeat, approximately 71 cm3 of blood is pushed from the heart at an average pressure of 105 mm-Hg. Calculate the
1. 1 answer
2. asked by Constance
3. 2,962 views
A container in the shape of a right circular cylinder with no top has surface area 3*pi (m2). What height h and base radius r
1. 1 answer
2. asked by febie
3. 2,872 views
An airplane leaves an airport and flies due west 150 miles and then 230 miles in the direction S 39.67 degrees W. How far is the
1. 3 answers
2. asked by Kara
3. 2,864 views
A bag contains some balls of which 1/4 are red. Forty more balls of which 5 are red are added. If 1/5 of all the balls are red,
1. 4 answers
2. asked by Amponsah
3. 2,830 views
What is the molar solubility of lead(II) chromate (ksp=1.8x10^-14) in 0.13 M potassium chromate?
1. 2 answers
2. asked by Anonymous
3. 2,658 views
Cyanic Acid is a weak acidHOCN + H2O <--> H3O+ +OCN- ka= 3.5*10^-4 a) if 2.5ml of 0.01 M cyanic acid solution is added to 25.0
1. 1 answer
2. asked by Tasneem
3. 2,581 views
Point N is on hypotenuse BC of triangle ABC such than angle CAN is 45 degrees.If AC=8 and AB=6, find AN. I did Pythagorean
1. 1 answer
2. asked by My Name Is Bob
3. 2,493 views
Why does equilibrium shift to the left when AgNO3 is added to the equation Co(H20)6 (aq) + 4Cl- (aq) <---> CoCl4 (aq) + 6H2o(l)?
1. 1 answer
2. asked by Nancy
3. 2,418 views
Reactions at Electrodes during ElectrolysisWhich half-reaction will take place at the cathode during the electrolysis of molten
1. 1 answer
2. asked by Mahtab
3. 2,394 views
The sun is 1.5 1011 m from the earth.(a) Over what surface area is solar radiation spread at this distance? (b) What is the
1. 1 answer
2. asked by JOHN
3. 2,205 views
A 55.0 g ice cube, initially at 0°C, is dropped into a Styrofoam cup containing 318 g of water, initially at 18.2°C. What is
1. 1 answer
2. asked by JOHN
3. 2,135 views
Which value of k will make the plane r=(k,3k,12) +s(2,2,3)+t(-1,1,3), s,teR passing through the origin?a) 2 b) 1 c)0 d) -1
1. 1 answer
2. asked by Jenny
3. 2,059 views
The rusting of iron is represented by the equation 4Fe + 3O2 2Fe2O3. If you have a 1.75-mol sample of iron, how many moles of
1. 1 answer
2. asked by gwen
3. 2,000 views
A reaction yields 3.75 L of nitrogen monoxide. The Volume is measured at 19 *C and a pressure of 1.10 atm. What mass of NO was
1. 2 answers
2. asked by CHEMMY
3. 1,918 views
Create a Metaphor and simile about the panama canal, the perspective of the untied states from panama canal, and from the
1. 1 answer
2. asked by Matt
3. 1,821 views
please help!You are paid $7.45/hr at your part-time job. Your deductions are FICA (7.65%), federal tax withholding (10.65%), and
1. 3 answers
2. asked by Cindy
3. 1,789 views
Which of the following measures thermal energy in an object?(Points : 4) temperature mass heat volume
1. 2 answers
2. asked by melissa
3. 1,734 views
describe three or more of the six major ways in which humans use land.
1. 1 answer
2. asked by Anonymous
3. 1,731 views
A jar contains 6 red marbles and 10 blur marbles all of equal size. if Dominic were to randomly select 1 marble without
1. 1 answer
2. asked by Lori
3. 1,716 views
A curve passes through the point (1,-11) and it's gradient at any point is ax^2 + b, where a and b are constants. The tangent to
1. 2 answers
2. asked by Amponsah
3. 1,689 views
Suppose $5000 is deposited in a bank account that compounds interest four times per year. The bank account contains $9900 after
1. 2 answers
2. asked by Zoey
3. 1,681 views
The ratio of Maya's beads to Kayla's beads was12:7. After Maya bought another 28 beads and Kayla gave away 32 beads, 5/7 of
1. 3 answers
2. asked by T
3. 1,664 views
When Greg was born, his grandmother put $5000 in a savings account for his college expenses. It was compounded at 2.5 percent
1. 1 answer
2. asked by Cosumer math
3. 1,654 views
Rebecca wondered if the type of papre used to make a paper airplane would affect the distance the plane flew.She hypothesized
1. 6 answers
2. asked by Rezu
3. 1,623 views
You are in a mountain range with atmospheric air pressure of 520 mmHg, and you wish to boil some eggs. What is the approximate
1. 1 answer
2. asked by Anonymous
3. 1,558 views
Elle is pushing a box of mass 7.0 kilograms with the force of 25 newtons. If the force of friction is 2.6 newtons, what is the
1. 2 answers
2. asked by Moises
3. 1,547 views
There were 25 students who completed a survey. There were 11 boys and 14 girls. One survey was picked at random. To the nearest
1. 2 answers
2. asked by mara
3. 1,503 views
If m ≤ f(x) ≤ M for a ≤ x ≤ b, where m is the absolute minimum and M is the absolute maximum of f on the interval [a,
1. 1 answer
2. asked by Michael
3. 1,488 views
A colony of bacteria is growing exponentially, increasing in size from 200 to 500 cells in 100 minutes will it take the colony
1. 1 answer
2. asked by Patty
3. 1,464 views
5a + 2b is aa. monomial b. binomial c. trinomial what is a monomial? binomial? trinomial?
1. 2 answers
2. asked by Cheril
3. 1,417 views
A quantity of 100 mL of .5M of HCl (aq) is mixed with 100 mL of .5M of NaOH (aq) in a constant pressure calorimeter. The initial
1. 2 answers
2. asked by Dante
3. 1,410 views
Evaluate the integral by interpreting it in terms of areas.The integral from -3 to 0 of 5+(9-x^2)^1/2.
1. 1 answer
2. asked by Michael
3. 1,350 views
A pot containing 1.09 liter of water, initially at 18°C, is placed on a 1101 W electric heating element.(a) How much heat must
1. 1 answer
2. asked by JOHN
3. 1,302 views
A mutual fund company has six funds that invest in the U.S. market and four funds that invest in foreign markets. An investor
1. 1 answer
2. asked by Esther
3. 1,294 views
Write an equilibrium reaction for a buffer system made of the weak base, B, and its conjugate acid. If the buffer contains 1.05
1. 1 answer
2. asked by meme
3. 1,252 views
An air bubble of volume 15 cc is formed at a depth of 50 m in a lake. If the temperature of the bubble while rising remains
1. 1 answer
2. asked by Tulika
3. 1,251 views
You bought one $2 chance on an $84 radio. Sixty chances were sold. What is the probability of your winning the radio?
1. 3 answers
2. asked by Cheril
3. 1,230 views
Introduction to Economics:Explain why scarcity and choice are basic problems of economics?
1. 8 answers
2. asked by Anonymous
3. 1,228 views
What was the cause of the peloponnesian war ?A.greeks sought revenge for the persian wars B.Sparta wanted control of the
1. 2 answers
2. asked by ciara
3. 1,215 views
Determine two sets of parametric equations for the line passing through the points P(1,7,1) and Q(3,4,4)------------------------
1. 2 answers
2. asked by Jenny
3. 1,211 views
In order for companies to prepare and issue financial statements, their accounting equations (debits and credits) must be in
1. 1 answer
2. asked by meka
3. 1,178 views
the bag contains 20 red marbles and30 white marbles and 40 blue ones what is the ratioof red to blue marbles what is the ratio
1. 2 answers
2. asked by kristen
3. 1,162 views
25 cm of 1.0 mol dm− NaOH is added to 25 cm of 1.0 mol dm− HCl. The temperature rise is 6¢XC.Which reactants will also give
1. 1 answer
2. asked by Lee
3. 1,159 views
I need to find the approximate surface area of a cone with the R=5 and L=6. I thought I figured it out by 3.14(5)(6) which will
1. 1 answer
2. asked by Samantha
3. 1,155 views
Three point charges are arranged as shown.− + + −6.1 nC and 1.6 nC .4m apart 1.6 nC and 3 nC .088m apart What is the
1. 1 answer
2. asked by amanda and leah
3. 1,140 views
on your last post you said move two decimal places to the right.2 places to the right is 0.06 not 0.063
1. 2 answers
2. asked by Celest
3. 1,121 views
Cu2S + O2- 2Cu +SO2when 10.2 mol Cu2S react with oxygen, how many moles of Cu are formed? path?
1. 2 answers
2. asked by rachell
3. 1,121 views
Explain the possible relationships between two lines in R^3
1. 1 answer
2. asked by Jenny
3. 1,114 views
Find the slope of the line containing these points. (1/8, 1/4) and (3/4, 1/2)
1. 1 answer
2. asked by Nancy
3. 1,110 views
A plane, π, has 3x-5z+3=0 as its Cartesian equation. Determine the Cartesian equation of a plane that is perpendicular to π
1. 1 answer
2. asked by Anita
3. 1,107 views
A calibration curve to show how the cell potential varies with [Cu2+] may be constructed. A plot of cell potential (in V, with
1. 0 answers
2. asked by Mahtab
3. 1,092 views
A wagon is used to help deliver papers. There is a force applied at an angle of 25 degrees to the horizontal that causes the
1. 1 answer
2. asked by Melissa
3. 1,086 views
twelve pails of the same size were used to fill a tank with water.the capacity of the tank was 42 gallons.find the capacity of
1. 1 answer
2. asked by lidia
3. 1,038 views
If an object is launched straight up into the air from a starting height of h_{0} feet, then the height of the object after t
1. 2 answers
2. asked by Trisha
3. 1,030 views
Two tracking stations are on the equator 158 miles apart. A weather balloon is located on a bearing of N 41degrees E from the
1. 1 answer
2. asked by Kara
3. 1,030 views
what is your power output if you climb a 2m ladder in 10 seconds? suppose your height is 565N.
1. 1 answer
2. asked by Chita_Cheee
3. 1,012 views
Calculate ∆Hºf /mol for propane, C3H8(g), given the following reaction: (10 points)C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(ℓ
1. 1 answer
2. asked by Ruth
3. 1,012 views
10e^(3x-7)= 5So what I've done is rewritten it as: (3x-7)ln10e = ln5 Now I'm a little lost as to what to do next...
1. 2 answers
2. asked by D.S.
3. 1,005 views
How much does it cost to operate a 100 W lamp continuously for 1 week if the power utility rate is 8/kWh? answer in $
1. 2 answers
2. asked by Jake
3. 1,002 views
The Downtown Theater has 1 ticket window. In how many ways can 3 people line up to buy tickets?
1. 1 answer
2. asked by Cheril
3. 1,001 views
In archery class, Jocelyn missed the target 5 times in 40 shots. What is the probability that her next shot will miss the
1. 1 answer
2. asked by Max
3. 985 views
Three reasons why Japan closed its doors to the outside world
1. 2 answers
2. asked by Katajh
3. 982 views
Plz 2mrow is a dubmition day.on how gravitational acceleration is used to benefit mankind and environment.how can rural people
1. 0 answers
2. asked by tronic
3. 975 views
The quantity demanded each month of russo Espresso Makers is 250 when the unit price is $140; the quantity demanded each month
1. 2 answers
2. asked by Terri
3. 963 views
1)What is the pH of a saturated solution of lead(II) hydroxide? The Ksp= 4.0e-15Pb(OH)2 4.0e-15 = (x)(2x)^2 = 4x^3 I divided by
1. 1 answer
2. asked by Hannah
3. 946 views
The 2nd amendment is the right of the people to keep and bear arms.A well regulated Militia, being necessary to the security of
1. 2 answers
2. asked by Laruen
3. 936 views
one environmental problem that causes ill-health,crises,accidents and disasters within south africa
1. 1 answer
2. asked by Anonymous
3. 933 views
Writeacher, I hope you can help me clarify the following sentences.I can't understand the relation between the knights and the
1. 1 answer
2. asked by Matthew
3. 921 views
Which of the following is not a variable in an investigation designed "how much light is needed for a spider plant to grow?"A.ty
1. 0 answers
2. asked by Rezu
3. 918 views
which intermolecular forces would exist between molecules of:a. H2S b. H2O c.O2 d. SiH4 e. HCl f. CH3Cl g. CO2 h. NH3
1. 1 answer
2. asked by Maci
3. 913 views
Explain how a perfectly competitive market promotes productive efficiency (minimum average costs).
1. 0 answers
2. asked by Mike
3. 913 views
Write balanced net ionic equAtions.D) zinc chloride and excess ammonia E) cupric phosphate and lots of ammonia A) ammonia and
1. 3 answers
2. asked by ALISON
3. 910 views
a wolf is chasing a rabbit. Use the following data to graph the wolf's motion 15 m/s at 0s, 10 m/s at 1s, 5 m/s at 2s, 2.5 m/s
1. 2 answers
2. asked by oliva
3. 900 views
systems of nonlinear equationsi need to help i have tried this problem but i cannot find the right answer i need to determine
1. 1 answer
2. asked by ashley
3. 899 views
In a survey of 1000 eligible voters selected at random, it was found that 200 had a college degree. Additionally, it was found
1. 1 answer
2. asked by Ashleigh
3. 892 views
Three resistors of different values can be connected together in different configurations.If all three resistors are used in a
1. 1 answer
2. asked by DCM
3. 890 views
For an acetic acid-sodium acetate buffer to have a pH of 4.64, what molar ratioof CH3COOH to Na+ CH3COO– is needed? I know
1. 4 answers
2. asked by Hannah
3. 881 views
what did the constitution do and whawt were the effects of the constitution
1. 1 answer
2. asked by Anonymous
3. 874 views
Would you please help me with these two questions on which i am not sure of my answers.? I marked my answers with a parenthesis.
1. 5 answers
2. asked by Esmeralda
3. 871 views
I have to calculate the voltage across the resistor of an rlc circuit where the 4.7nF capacitor is in parallel with the .200 H
1. 1 answer
2. asked by Heather
3. 863 views
A house with its own well has a pump in the basement with an output pipe of inner radius 6.4 mm. Assume that the pump can
1. 1 answer
2. asked by Angelina
3. 861 views
Jungle, Inc. has a target debt-equity ratio of 0.72. Its WACC is 11.5 percent and the tax rate is 34 percent. What is the cost
1. 0 answers
2. asked by Sarah
3. 856 views
Titanium (6.94x10^-19) and silicon (7.77x10^-19) surfaces as irradiated with UV radiation with a wavelength of 231 nm. what is
1. 2 answers
2. asked by Tiffany
3. 848 views
calculate the volume of a 0.02M mno4- solution that is required to react completely with 10.0ml of 0.1M c2o4-2
1. 3 answers
2. asked by carla
3. 837 views
What is the momentum of a two-particle sys- tem composed of a 1300 kg car moving east at 100 m/s and a second 1300 kg car mov-
1. 0 answers
2. asked by Julie
3. 834 views
jimm read 42 pages of a book each day for 5 days on the next 3days he read 44pages 35 pages and 35 pages what was the avrage
1. 1 answer
2. asked by kristen
3. 815 views
Introduction to Economics:Explain why scarcity and choice are basic problems of economics?
1. 2 answers
2. asked by Anonymous
3. 815 views
Use the associative property of multiplication to write an expression equivalent to8x*(4y*7z)
1. 2 answers
2. asked by chels
3. 813 views
according to american insurance companies a driver will travel 12,000miles in a single year.gasoline may be taken as primarily
1. 3 answers
2. asked by karen
3. 805 views

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