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Questions Asked on July 23, 2012

when a 424-g of iron powder is burned in an oxygen atmosphere, 0.606-g of a reddish brown oxide is obtained. Determine the
1. 2 answers
2. asked by kit
3. 4,058 views
Two cars have identical horns, each emitting a frequency of f= 395 hz. One of the cars is moving with a speed of 12 m/s toward a
1. 2 answers
2. asked by hayley
3. 3,674 views
Ignoring activities, determine the molar solubility (S) of Zn(CN)2 in a solution with a pH = 2.92. Ksp (Zn(CN)2) = 3.0 × 10-16;
1. 4 answers
2. asked by Heather
3. 3,612 views
Amy can clean the house in 7 hours. When she works together with Tom, the job takes 5 hours. How long would it take Tom, working
1. 3 answers
2. asked by john
3. 2,723 views
The J.O. Supplies Company buys calculators from a Korean supplier. The probability of a defective calculator is 10%. If 15
1. 1 answer
2. asked by Anonymous
3. 2,715 views
write a passage using rhetorical devices on a person ,idea or ideology in about 300 words
1. 6 answers
2. asked by sonu
3. 2,480 views
Two machines A and B produce respectively 60% and 40% of the total number of items of a factory. The percentages of defective
1. 1 answer
2. asked by chinthaka
3. 2,389 views
If n is an integer, how many different values of n satisfy the inequality-4 ≤ 3n ≤ 87? a) 32 b) 31 c) 30 d) 29 e) 28 i got
1. 2 answers
2. asked by Willie
3. 2,332 views
An object carries a charge of -8.0 ìC, while another carries a charge of -2.0 ìC. How many electrons must be transferred from
1. 2 answers
2. asked by Dan
3. 2,205 views
a battery of 12v supplies a charge of 1000C to an electric device. how much work is done by the battery in moving the charge?
1. 2 answers
2. asked by aisha
3. 1,911 views
At noon, ship A is 100 kilometers due east of ship B. Ship A is sailing west at 12 k/h and ship B is sailing S10degrees west at
1. 4 answers
2. asked by Zumba
3. 1,834 views
Which one of the following statements about childcare centers is correct?A. Childcare centers can't get a license unless they
1. 8 answers
2. asked by Anonymous
3. 1,756 views
1.) Identify the main clause in the sentence below. Then decide if the subordinate clause is used as noun, adjective, or adverb.
1. 3 answers
2. asked by Amy
3. 1,740 views
convert from polar form into rectangular form. type the equation in rectangular form (simplified):1) rsecθ = 3 2)
1. 2 answers
2. asked by Gigi
3. 1,580 views
For Capital, the category of account and its normal balance are:A. Assests and a debit balance B. Liabilities and a credit
1. 1 answer
2. asked by NIta
3. 1,576 views
Identify the main clause in the sentence below. Then decide if the subordinate clause is used as noun, adjective, or adverb.Afte
1. 3 answers
2. asked by Amy
3. 1,364 views
Identify the subordinate clause and tell if it is used as a noun, adjective, or adverb. Click on the blue box until the correct
1. 2 answers
2. asked by Amy
3. 1,349 views
Based on the information given for each of the following studies, decide whether to reject the null hypothesis. For each, give
1. 2 answers
2. asked by Kathy
3. 1,330 views
Frank can type a report in 4 hours and James takes 6 hours. How long will it take the two of them typing together?
1. 3 answers
2. asked by john
3. 1,328 views
Kp for the reaction CO2(g) + C(s) 2CO(g) is 1.47 at 727°C. Calculate Kc at this temperature
1. 1 answer
2. asked by gggg
3. 1,298 views
If business manager deposits $30,000 in a savings account at the end of each year for twenty years what will be the value of her
1. 1 answer
2. asked by Mia
3. 1,298 views
What does it mean to say the Coulomb Force is a conservative force? This is what I have compiled, but I still feel like I'm
1. 1 answer
2. asked by Coty
3. 1,293 views
a car travels 30 km due north and 40 km due east .how far is it from the startin point?
1. 4 answers
2. asked by brandon quinones
3. 1,216 views
I don't know how to do this proofIt is set up on a T chart In the figure below PQ = RS Prove PR=QS
1. 0 answers
2. asked by Kim
3. 1,163 views
A highway of concrete slabs is to be built in the Libyan desert, where the highest air temperature recorded is 57.8 °C. The
1. 0 answers
2. asked by itufizik
3. 1,151 views
2.00 grams of hydrocarbon warmed 150.0 ml. water from 25.0 degree C to 30.0 degree C. Calculate the heat of hydrocarbon in K/g.
1. 1 answer
2. asked by mary
3. 1,072 views
While surface conditions differ greatly, name the three ways that Venus and Earth are indeed sister planets.
1. 1 answer
2. asked by Luis
3. 1,063 views
How would you separate a mixture of potassium chloride from copper metal?
1. 1 answer
2. asked by Bre
3. 1,031 views
what did Lord Dunmore have to do with the house of burgesses?
1. 3 answers
2. asked by CPut
3. 1,028 views
One liter of arterial blood at sea level contains approximately 3 mL of dissolved oxygen and 197 mL of oxygen bound to
1. 4 answers
2. asked by L.Bianchessi
3. 1,018 views
Mr. Currie pours himself some coffee into a paper cup before making his way to the amusement park. The coffee temperature is
1. 8 answers
2. asked by bob
3. 1,013 views
A trough has a trapezoidal cross section with a height of 5 m and horizontal sides of width 2.5 m and 5 m. Assume the length of
1. 0 answers
2. asked by Zac
3. 997 views
The annual precipitation for one city is normally distributed with a mean of 72 inches and a standard deviation of 3.5 inches.
1. 3 answers
2. asked by Marc
3. 977 views
A 965 solution is diluted to a volume of 1.10 and a concentration of 8.00 . What was the initial concentration?
1. 1 answer
2. asked by Anonymous
3. 962 views
can you help me with my project now?
1. 1 answer
2. asked by Celest
3. 958 views
The MePhone, a new smartphone, is being introduced in the Louisville area. The manufacturer plans to sell 30,000 phones during
1. 1 answer
2. asked by gab
3. 954 views
The speed of a stream is 6 mph. If a boat travels 52 miles downstream in the same time that it takes to travel 26 miles
1. 1 answer
2. asked by john
3. 927 views
Which of the following may constitute a population? (choose all that are correct.)A. all rats in New York. B. all nurses in a
1. 5 answers
2. asked by Tifini
3. 900 views
Identify the main clause in the sentence below. Then decide if the subordinate clause is used as noun, adjective, or adverb.Chri
1. 2 answers
2. asked by Amy
3. 888 views
how might the environmental impacts of deforestation and sprawl affect the human community of Pinchot
1. 1 answer
2. asked by sara
3. 884 views
Discuss the differences and similarities in post-independence policies in India and Egypt.Please help me with this question If
1. 1 answer
2. asked by nina
3. 879 views
Steel rails for a train track are laid in a region subject to extremes of temperature. The distance from one juncture to the
1. 1 answer
2. asked by itufizik
3. 877 views
An ice cube at 0°C measures 13.9 cm on a side. It sits on top of a copper block with a square cross section 13.9 cm on a side
1. 1 answer
2. asked by itufizik
3. 859 views
Two thirds of a pizza is shared between 5 friends bob eats twice as much as any of the others. What fraction of the pizza does
1. 3 answers
2. asked by Lockie
3. 818 views
I am having problems understanding cost variance model; Can you give me a simplyfied formula to determine budgetary variance
1. 0 answers
2. asked by Brenda
3. 812 views
The amount of a monthly phone bill is normally distributed with a mean of $60 and a standard deviation of $12. Fill in the
1. 2 answers
2. asked by Adam
3. 810 views
A box contains 10 balls of which 6 are red (R) and 4 are white (W) . Three balls are taken from the box at random, one after the
1. 1 answer
2. asked by sajith
3. 790 views
If the domain and range of a function consists of real numbers, then you can graph it by plotting all ordered pairs (x, f(x)).
1. 1 answer
2. asked by Kathy
3. 784 views
in the poem gods grandeur we find the words reck and rod by analysis we ca determine that the word rod is probaly comes from the
1. 11 answers
2. asked by Anonymous
3. 781 views
Direct Preferential FlotationDefinition of this method is: separate various helpful minerals in proper order. With its feature
1. 1 answer
2. asked by jiandan
3. 774 views
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a
1. 1 answer
2. asked by robyn
3. 773 views
Will someone please help me find a webite to answer the following questions?What are community corrections? How do community
1. 1 answer
2. asked by Sade C
3. 755 views
A volume of 40.0 of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What
1. 1 answer
2. asked by Lindsey
3. 752 views
If a hospital received $5,000 in payments per year at the end of each year for the next tweleve years from an uninsured patient
1. 0 answers
2. asked by Kenya
3. 747 views
Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E. that corresponds to a sample
1. 1 answer
2. asked by robyn
3. 740 views
A 20 g bullet moving horizontally with a speed v hits a 2-kg block of wood resting on a table. After hitting the block the
1. 1 answer
2. asked by Edward
3. 727 views
Matthias is an example of a/an
1. 1 answer
2. asked by Anonymous
3. 706 views
convert to polar form:1) x^2-y^2=4 (You may leave your answer for this one as r2 =) 2) x^2+(y-1)^2=1
1. 3 answers
2. asked by Gigi
3. 706 views
Let A,B be events in a sample space. you are given the following probabilities:P(A)=0.8, P(B|A)=0.3, P(B|A^c)=0.8 Find: 1) P(B)
1. 1 answer
2. asked by Preet
3. 700 views
Unless stated otherwise, assume “normal, healthy patient.” Anesthesia by: MDA andCRNA. Anesthesiologist was medically
1. 0 answers
2. asked by Gloria Dixon
3. 691 views
Mr. Currie pours himself some coffee into a paper cup before making his way to the amusement park. The coffee temperature is
1. 0 answers
2. asked by ted
3. 682 views
A company wants to make ball bearings that have a standard diameter, d, of 24.000 mm. Acceptable ball bearings measure within ±
1. 1 answer
2. asked by gab
3. 679 views
A sample of 51 night-school students' ages is obtained in order to estimate the mean age of night-school students. x = 26 years.
1. 1 answer
2. asked by samantha
3. 678 views
beyond tone a poets attiude toward his or her subject reveals to us a poemsA.diction B.subject C.structure D.theme
1. 3 answers
2. asked by Anonymous
3. 656 views
A radiator is to be protected against freezing to -20f. Calculate the volume of C2H4(OH)2 ethylene glycol per liter of water.
1. 1 answer
2. asked by Daisy
3. 637 views
Current A: of or belonging to the present time B: being in progress now C: a body of water of air flowing in a definite
1. 4 answers
2. asked by Emma
3. 626 views
It is a beautiful sunny day at Canada’s Wonderland. The U.V. index for this day is 8, or high, so sunscreen is a must for all
1. 0 answers
2. asked by chad
3. 616 views
H3PO4 reagent solution in a lab is 85%pure.specific gravity of H3PO4 solution is 1.69.find out the normality of H3PO4.
1. 1 answer
2. asked by mona dutta
3. 592 views
3.5 cm of Mg ribbon(0.009729 g/cm0 reacts with HCL to produce 32.6 ml. of Hydrogengas at 750 mm Hg and 20 degree C. the vapor
1. 1 answer
2. asked by mary
3. 591 views
A cyclist bikes at a constant speed for 18 miles. He then returns home at the same speed but takes a different route. His return
1. 1 answer
2. asked by john
3. 586 views
suppose you could not tell whether a material was insoluble or slightly soluble in water form the appearance of the misture.
1. 1 answer
2. asked by Ange
3. 586 views
A classmate who has been standing still for several hours working on a laboratory experiment suddenly faints. Based on what was
1. 1 answer
2. asked by L.Bianchessi
3. 579 views
I had a two part question in which I'm fairly sure I did the first part correct, but part b I am unsure about. For part a, I had
1. 1 answer
2. asked by Janah
3. 579 views
Canada’s Wonderland has a roller coaster named ‘Leviathan’. It boasts a maximum height of 93 m, 80⁰ drop, speeds of 148
1. 1 answer
2. asked by kim
3. 573 views
An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann
1. 0 answers
2. asked by itufizik
3. 568 views
When a mover pushes with a constant sideways force of 20 N on a 15 kg box, the box moves along the floor at a constant speeed of
1. 0 answers
2. asked by Anonymous
3. 559 views
IMAGINE- a building 6400km. high. On the ground floor, a person weighs 175lbs when he steps on a spring scale how much would the
1. 2 answers
2. asked by Anonymous
3. 558 views
Calculate the average speed of an oxygen molecule (with a mass of 5.3e-26 kg) at room temperature (300 Kelvin)show your work
1. 0 answers
2. asked by Luis
3. 555 views
One of the problems with a study such as this one is the small size of the samples. If you wanted toestimate the proportion of a
1. 0 answers
2. asked by bECKY
3. 555 views
By 1890, United States factories produced _______ as those of Britain.A. half as much B. twice as much C. three-quarters as much
1. 0 answers
2. asked by Elina
3. 554 views
In most instances, flotation is used for processing sulfide auriferous ores whose flotability is quite high and the effect is
1. 0 answers
2. asked by jiandan
3. 548 views
The Earth travels in a circular orbit around the Sun at 29.79 km/sec. If the radius ofthe orbit is 1.496 � 108 km, what is the
1. 1 answer
2. asked by Anonymous
3. 538 views
) 43% of adults receive phone calls during the day. Amongst 10 randomlyselected people find the probability that a. Adults
1. 1 answer
2. asked by Anonymous
3. 537 views
If I figured out average velocity can I use that to figure instantaneous velocity? There is no function. Thanks
1. 1 answer
2. asked by andy
3. 535 views
In general, Portland cement is the main production of cement industry. Portland cement is kind of meticulous powder, usually
1. 0 answers
2. asked by jiandan
3. 530 views
Ms. Sue,Could you please give me a formula to determine budgetary variance model or give me a website to go to, in order
1. 1 answer
2. asked by pj
3. 527 views
I need help finding reliable information on the following questions?What trends are currently affecting policing? What are some
1. 0 answers
2. asked by Sade C
3. 522 views
What is the final volume in milliliters when 0.698 of a 42.2 (m/v) solution is diluted to 21.1 (m/v)?
1. 1 answer
2. asked by Anonymous
3. 516 views
In a Milliken type experiment, two horizontal parallel plates are 1.0 cm apart. A sphere of mass 2.2 x 10^(-13) kg remains
1. 0 answers
2. asked by KnowsNothing
3. 516 views
Flotation Machine can be used to separate nonferrous metal, ferrous metal, heavy metal, nonmetallic mine, chemical material and
1. 0 answers
2. asked by jiandan
3. 507 views
1. Suppose quality control inspectors at the coffee house chain take a sample of 100 pieces of this chocolate product from an
1. 0 answers
2. asked by kristin
3. 496 views
IMAGINE- a building 6400km. high. On the ground floor, a person weighs 175lbs when he steps on a spring scale how much would the
1. 3 answers
2. asked by Anonymous
3. 492 views
A square is made up of section A and section B. Section A is 500 sq. ft. and section B is 750 sq. ft. What percent of the square
1. 1 answer
2. asked by Ellen
3. 470 views
Rhetoric and commonly confused words, prefixes and suffixes, misspelled words Can't find one??
1. 1 answer
2. asked by Carlota
3. 469 views
On the moon, the downward acceleration dur to gravity is only about one-sixth as large as it is on earth. if a 16 kg rock is put
1. 1 answer
2. asked by Anonymous
3. 469 views
diameter of coin is 26 mm inlength.Find circumference & area of coin .
1. 3 answers
2. asked by Barb
3. 462 views
Compute the derivative for the following:n(x) = sin(x^3-5x^2+4x-7) Thanks, andy
1. 3 answers
2. asked by andy
3. 461 views
Find the continuity of the region bounded by the two curves. y=x^2 and y=3x?
1. 1 answer
2. asked by haider
3. 460 views
Consider a normal population with μ = 36 and σ = 4.9. Calculate the z-score for an x of 47.6 from a sample of size 14. (Give
1. 3 answers
2. asked by samantha
3. 456 views
You must show your work for full credit.) Calculate the average speed of an oxygen molecule (with a mass of 5.3e-26 kg) at room
1. 1 answer
2. asked by Luis
3. 453 views

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