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Questions Asked on March 20, 2013

1. What data are represented by the stem-and-leaf plot below?3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41,
1. 174 answers
2. asked by Janessa
3. 43,859 views
1. The radius of a sphere is r inches at time t seconds. Find the radius when the rates of increase of the surface area and the
1. 10 answers
2. asked by Anonymous
3. 9,793 views
1.Which of the following would always require a citation in a research paper?A.Thesis statement B.an anecdotal experience C.a
1. 10 answers
2. asked by cassie
3. 8,705 views
1.What type of graph does not show the number of times a response was given? (1 point) box-and-whisker plot line plot
1. 34 answers
2. asked by Delilah
3. 7,713 views
Which of the following pairs would make a good buffer solution in an aqueous solution?A) H2SO4 and NaHSO4 B) Ca(NO3)2 and HNO3
1. 1 answer
2. asked by Jonah
3. 5,902 views
4. Which of the following would not always require a citation in a research paper?A.quotation of a phrase B.quotation of a
1. 3 answers
2. asked by cassie
3. 5,821 views
A service station has a pump that distributes diesel fuel to automobiles. The station owner estimates that only about 3.2 cars
1. 2 answers
2. asked by maria
3. 4,700 views
answer check??1) What two tissues are found within a vein? Xylem and Phloem. 2) What does the word "Mesophyll" mean? Middle
1. 1 answer
2. asked by sami doodles :-)
3. 4,611 views
Jim Tree sells trees. The mean length of the trees purchased was 68 inches with a standard deviation of 10 inches. Jim wants to
1. 4 answers
2. asked by Jessie
3. 4,318 views
Find the speed of a point on the rim of a 24cm diameter fly wheel which is turning at 2800 revolutions per minute. Give your
1. 10 answers
2. asked by Emily
3. 4,115 views
Mixtures of helium and oxygen are used in scuba diving tanks to help prevent ‘the bends’, acondition caused by nitrogen
1. 5 answers
2. asked by alex
3. 3,966 views
A solution of aniline(C6H5NH2, Kb=4.2x10^-10) has a pH of 8.69 at 25 Celsius. What was the initial concentration of aniline?I
1. 3 answers
2. asked by V
3. 3,745 views
A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is
1. 1 answer
2. asked by Kelly
3. 3,527 views
What type of graph does not show the number of times a response was given? (1 point)a.box-and-whisker plot b.line plot
1. 8 answers
2. asked by Giaaa
3. 3,498 views
A coffee cup calorimeter contains 25.0 grams water at 23.8 CA 5.00g sample of an unknown metal at an initial temperature of 78.3
1. 3 answers
2. asked by J
3. 3,444 views
The figure below shows a collection of wires. The currents at the numbered points are: I1 = 2.4 mA right; I2 = 3.6 mA down; I3 =
1. 1 answer
2. asked by k
3. 3,218 views
Given interest of $11,900 at 6 percent for 50 days (ordinary interest), one can calculate the principal as: (Points : 1)$1,428,0
1. 1 answer
2. asked by Anonymous
3. 3,194 views
59.0 mL of a 1.80 M solution is diluted to a total volume of 268 mL. A 134-mL portion of that solution is diluted by adding 171
1. 3 answers
2. asked by Robert
3. 2,643 views
Find out the distance covered when, speed is 960 km/hour and time is 1 hour 50 minutes.
1. 10 answers
2. asked by Michelle
3. 2,190 views
solve 2x+3y=13 with 4x+5y=23
1. 3 answers
2. asked by aisha
3. 2,157 views
Remember to show all of the steps that you use to solve the problem. Use the comments field to explain your work.A survey about
1. 4 answers
2. asked by Secret
3. 2,091 views
A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid.
1. 1 answer
2. asked by Tonya
3. 2,035 views
CuSO4+4NH3-Cu(NH3)4SO4a. if you use 10.0g 0f CuSO4 and excess NH3, What is the theoretical yield of Cu(NH3)4SO4? b. if you
1. 2 answers
2. asked by Yaneth
3. 1,997 views
1) While Laurie is boiling water to cook spaghetti, the phone rings, and all 1.5 kg of water boils away during her
1. 3 answers
2. asked by Isis
3. 1,876 views
What is the concentration of C2O4^-2 in a 0.370M oxalic acid solution? Ka1=5.6x10^-2 and Ka2=5.1x10^-5
1. 8 answers
2. asked by V
3. 1,853 views
Compare how beaver stole fire and stealing fire from Zeus are the same
1. 2 answers
2. asked by Zack
3. 1,822 views
A triangle has angles measuring 35 degrees and 53 degrees.What is the measure of the third angle of the triangle.
1. 3 answers
2. asked by Angel
3. 1,816 views
For the indicated atom in each of the following molecules or ions, give the number and arrangement of the electron pairs around
1. 2 answers
2. asked by jack
3. 1,799 views
write in scientific notation and standard form.(1.9x10 to the second power)times (4.7x10 to the 6th power) how do you do this?
1. 4 answers
2. asked by Anonymous
3. 1,795 views
As many 8cm diameter discs as possible are cut from a sheet of rectangular cardboard measuring 170cm by 90cm. Find the area of
1. 6 answers
2. asked by Emily
3. 1,771 views
A 30.0-ml sample of 0.165 M propanoic acid is titrated with 0.300 M KOH. What is the pH at 5 ml of added base, at 10 ml of added
1. 1 answer
2. asked by Annie
3. 1,767 views
Calculate the pH of a buffer solution containing 1.0 M ammonia (NH3 ; Kb = 1.8 x 10-5) and 1.0 M ammonium chloride (NH4Cl).
1. 2 answers
2. asked by Nick
3. 1,756 views
A lorry travels at 50km/h. Given that the diameter of its wheel is 88cm, find how many revolutions per minute the wheel is
1. 5 answers
2. asked by Emily
3. 1,691 views
A 1.00 kg pendulum bob is released from a height of 0.200 m. Its speed at the bottom of its swing is 1.95 m/s on the first pass.
1. 3 answers
2. asked by Manboob
3. 1,633 views
when a parallel 5k ohm resistor and a 25k ohm resistor have a 10v supply, what is the total power loss?
1. 2 answers
2. asked by Anonymous
3. 1,621 views
Miguel is skipping rocks across the surface of a lake. After he throws it, each stone goes through the following motions:I. the
1. 2 answers
2. asked by Lovely Mallory
3. 1,613 views
In which sentence is the underlined word a past participle?Melted rock can explode or flow from different types of volcanoes.
1. 2 answers
2. asked by Jake
3. 1,563 views
tina completed 2/3 of her homework george completed 7/8 of his homewor who completed a greater fraction of homework?
1. 4 answers
2. asked by kristiana
3. 1,555 views
The mole fraction of oxygen in air is 0.209. Assuming nitrogen is the only other constituent,what are the partial pressures (in
1. 1 answer
2. asked by alex
3. 1,532 views
Use a form of "ser" or "estar" to fill in the blank.Note: Only type the missing word. Do not type capital letter nor period. Tú
1. 3 answers
2. asked by Deanna
3. 1,467 views
There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom
1. 6 answers
2. asked by Anne
3. 1,467 views
Find the mean of the following data set:25, 30, 20, 20, 25, 35, 35, 10 a. 15 b. 20 c. 25 d. 30 My Answer: b. 20
1. 3 answers
2. asked by Janessa
3. 1,451 views
Find the median mode and range for each set of data.1.11,18,19,20,20,23 Median=19.5 Mode=20 Range=12 2.52,56,60,67 Median=58
1. 4 answers
2. asked by Jerald
3. 1,439 views
How many grams of Mg(OH)2 are needed to neutralize 55 ml of 0.25 M HCl .according to the following reaction. (show all
1. 2 answers
2. asked by Cory
3. 1,358 views
A) With what minimum speed must you toss a 190 g ball straight up to hit the 15.0 m-high roof of the gymnasium if you release
1. 1 answer
2. asked by Jenny
3. 1,331 views
A girl 1.6 m tall, stands 3.6 m from a lamp post at night. Her shadow from the light is 0.9m long. How high is the lamp post?
1. 1 answer
2. asked by Chris
3. 1,325 views
A random sample of n=16 scores is obtained from a population with a mean of µ= 80 and a treatment is administered to the
1. 1 answer
2. asked by delaney
3. 1,317 views
On Easter Sunday, April 23, 1983, nitric acid (HNO3) spilled from a tank car near downtown Denver, Colorado. The spill was
1. 1 answer
2. asked by K
3. 1,313 views
A polling company took 5 polls in the week before and election. It showed that a mayoral candidate would get 66%, 56%, 55%, 60%,
1. 3 answers
2. asked by syram
3. 1,298 views
8) Which one of the following objects, all initially at the same temperature, will be most efficient in losing heat?a dull black
1. 1 answer
2. asked by amy
3. 1,285 views
What is the highest power of 3 that divides 1000! (1000 factorial)
1. 1 answer
2. asked by Anna
3. 1,282 views
After 35 minutes of running, at the 8-{\rm km} point in a 9-{\rm km} race, you find yourself 200m behind the leader and moving
1. 0 answers
2. asked by Mimi
3. 1,265 views
A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 2.00 m and the distance
1. 0 answers
2. asked by Rachel
3. 1,225 views
You're in an auto traveling at 25.0m/s toward a pole mounted warning siren. If the siren's frequency is 365 Hz, what frequency
1. 1 answer
2. asked by jess
3. 1,225 views
ABCD is a rectangle the line through C perpendicular to AC meets AB produced at X and AD produce at Y . Prove that DBXY are
1. 0 answers
2. asked by anoynomous
3. 1,211 views
what is the hydronium-ion concentration at equilibrium in a 0.71 M solution of aniline (Kb=4.2x10^-10) at 25 Celsius
1. 1 answer
2. asked by Che
3. 1,208 views
Name the organic product of the following nucleophilic substitution reaction. OH+CH3CH2I
1. 1 answer
2. asked by Paul
3. 1,195 views
4. The data below are from an independent-measures experiment comparing three different treatment conditions.Treat. 1 Treat 2
1. 1 answer
2. asked by Pam
3. 1,168 views
A particle starts moving with acceleration 2 m/s2. distance travelled by it in 5th half second is..??
1. 3 answers
2. asked by ABC
3. 1,166 views
Andy, an inexperienced accountant, had to account for his company's purchase of a motorcar on credit. Unsure of the correct
1. 5 answers
2. asked by Anonymous
3. 1,150 views
This number is less than 200 and greater than 100. The ones digit is 5 less than 10. The tens digit is 2 more than the ones
1. 2 answers
2. asked by Gideon
3. 1,146 views
Light bulb packages will have at least two numbers on them; a power and what the potential difference across the bulb must be so
1. 0 answers
2. asked by k
3. 1,141 views
24) how do the deaths of Romeo, Juliet, Mercutio, Tybalt, and Paris affect the way the Capulets and Montagues feel about their
1. 8 answers
2. asked by sammie doodles :-)
3. 1,140 views
Janet Home went to Citizen Bank. She borrowed $7,000 at a rate of 8 percent. The date of the loan was September 20. Janet hoped
1. 2 answers
2. asked by Anonymous
3. 1,139 views
I need help solving these problems by using the substitution problem2x-3y=16 5x+2y=21
1. 1 answer
2. asked by Cam
3. 1,136 views
Research and discuss an event in Charles Darwins' life that lead to his theory of evolution. Events could be directly in Charles
1. 3 answers
2. asked by Ashley
3. 1,130 views
Hi, I need help with a paper I wrote on an analysis of an advertisement. This is the ad i analysed
1. 1 answer
2. asked by Ying
3. 1,124 views
find the values for a, b, and c such that the function f(x)= x^3 + ax^2 + bx+ chas a critical point at (1,5) and an inflection
1. 1 answer
2. asked by Greg
3. 1,097 views
What is the hydronium ion concentration in a 0.010M solution of carbonic acid, H2CO3? For carbonic acid, Ka1=4.2x10^-7 and
1. 4 answers
2. asked by C
3. 1,086 views
Heat flow question help?A brass rod with a length of 30.0 cm is placed side by side with an aluminum rod with a length of 30.0
1. 0 answers
2. asked by Amy
3. 1,049 views
Proving Trigonometric Identities1. sec^2x + csc^2x= (sec^2 x)(csc^2 x) 2. sin ^3 x / sin x - cos 3x / cos x = 2 3. 1- cos x/ sin
1. 1 answer
2. asked by mm
3. 1,037 views
Which senses are appealed to in these lines from Macbeth?Nay, had I pow'r, I should / Pour the sweet milk of concord into hell,
1. 5 answers
2. asked by Olivia
3. 1,033 views
7. A solution is prepared by dissolving 8.5 g NaHCO3 and 12.7 g Na2CO3 in 500.0 mL of water. Calculate the pH.
1. 1 answer
2. asked by Nick
3. 1,033 views
A 5 kg ball rolls off a 34 m high cliff, and lands 29 m from the base of the cliff. Express the displacement and the
1. 0 answers
2. asked by Anonymous
3. 1,025 views
Nitric acid can be prepared from ammonia by the following steps;4nh3 + 5o2 = 6h2o + 4no 2no + O2 = 2no2 2no2 + h2o = hno3 + hno2
1. 0 answers
2. asked by Agashre
3. 1,024 views
Which sentence uses italics, quotation marks, and punctuation correctly? (1 point)“How many r’s are there in the word
1. 1 answer
2. asked by Rae
3. 1,024 views
A 6 ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10 ounce package?
1. 3 answers
2. asked by Anonymous
3. 1,023 views
there is a man who decided to make a garden either in shape of rectangle or parallelogram in front of his house and fence it.
1. 0 answers
2. asked by anoynomous
3. 1,021 views
1. The reaction CO+2H2-CH3OH was carried and it is found that only 332g of CH3Oh is actually produced when 407g CH3Oh was the
1. 3 answers
2. asked by Nancy
3. 1,019 views
1) What is the vapor pressure at 25°C of a solution of 1.20g ofnephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of
1. 2 answers
2. asked by N comas
3. 1,016 views
find an equation of the line tangent to y= sqrt(25-x^2) at the point (3,4)i got y= x/8 + 29/8 this is wrong. but im not sure
1. 1 answer
2. asked by Greg
3. 1,007 views
A farmer has 600 yards of fence. He will use some of the fence to enclose a rectangular area. He will use the rest divide the
1. 3 answers
2. asked by regina
3. 1,005 views
1. What is the vapor pressure at 25°C of a solution of 1.20g of nephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure
1. 1 answer
2. asked by N COMAS
3. 1,002 views
Chelsea has 3 quarters and 1 dime. James has 8 dimes. Peter has 2 quarters and 6 nickels. Denika has 10 nickels. Who has the
1. 2 answers
2. asked by Mrs. Vargas
3. 987 views
Click on the box to choose the function of the italicized infinitive phrase.May I have permission to use the car tonight? I
1. 2 answers
2. asked by Nicole
3. 985 views
A certain car is capable only of accelerating at 3.0m/s 2 , braking (decelerating) at 5.0m/s 2 , and moving at constant
1. 1 answer
2. asked by George
3. 969 views
hi, i'm currently applying for the national junior honor society, and i'm working on my essay. any ideas what i should
1. 2 answers
2. asked by grace
3. 967 views
A multiple-choice test has 48 questions, each with fourresponse choices. If a student is simply guessing at the answers, a. What
1. 1 answer
2. asked by gina
3. 952 views
On a cold winter day, the outside temperature is –5.0 °C while the interior of a well-insulated garage is maintained at 20.0
1. 1 answer
2. asked by amy
3. 950 views
An electric field with a magnitude of 3.50 kN/C is applied along the x axis. Calculate the electric flux through a rectangular
1. 0 answers
2. asked by abc
3. 945 views
A tire 2.0 ft in diameter is placed on a balancing machine where it is spun so that its tread is moving at a constant speed of
1. 1 answer
2. asked by Nikki
3. 943 views
Math estimate quotient 6 1/3 divided by 3 1/7
1. 1 answer
2. asked by M
3. 942 views
a 3 m long weightless beam is supported at each end by cables. a painter weighing 90 N stands 1 m from the left cable. Calculate
1. 0 answers
2. asked by markcampo
3. 930 views
find the composite function fogf(X) = 1/X-5,g(x)-6/x question 2 find inverse, domain range and asymatotes of each function
1. 1 answer
2. asked by zachary
3. 929 views
Repost ..Saccharin is a weak organic base with a Kb of 4.8X10^-3. A 0.672-g sample of saccharin dissolved in 30.0mL of water had
1. 3 answers
2. asked by V
3. 926 views
1. A piece of rectangular block weighing 5 kg is pressed on a vertical wall by a horizontal force applied to the block. If the
1. 1 answer
2. asked by ruby
3. 923 views
How much does it cost to operate a 80-{\rm W} lamp continuously for a week if the power utility rate is 25 {\rm cents}/{\rm
1. 1 answer
2. asked by Anonymous
3. 923 views
have you watched the movie Freedom Writer? can you please help me with my assignment?1) consider the reasons why the groups have
1. 2 answers
2. asked by Isis
3. 911 views
Often, after graduation, students report that they can barely remember some of the concepts they studied in school. This is
1. 1 answer
2. asked by Sarah
3. 890 views
Find the mean of the following data set:25, 30, 20, 20, 25, 35, 35, 10 15 20 25 30 15 IS MY ANSWER
1. 1 answer
2. asked by Wendy
3. 883 views

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