Archives
2012
May

Questions Asked on May 14, 2012

m<S=30, m(arc)RS=84,and RU is tangent to the circle at R find m<U.It's a circle with a triangle inscribed, only the s and r lie
1. 40 answers
2. asked by lilman
3. 14,002 views
kendra owns a restaurant. she charges $3.00 for 2 eggs and 1 toast, and $1.80 for one egg and one piece of toast. how much does
1. 6 answers
2. asked by loraine
3. 7,677 views
A park maiand mantenance person stands 16m from a circular monument. Assume that her lines of sight from tangents to the
1. 2 answers
2. asked by Anonymous
3. 1,373 views
cos x (sec x +cos x csc2x)=csc2x
1. 1 answer
2. asked by trig identities
3. 1,217 views
Hi, my teacher doesn't teach us too well and we have a few packets to hand in for tomorrow that I really don't understand much
1. 2 answers
2. asked by David
3. 487 views
Find the surface area of pyramid that has a regular hexagonal base od edge 6 cm and a height of 8 cm.Thank you so much
1. 1 answer
2. asked by Lucas
3. 1,263 views
A balloon that has a temperature of 12C and a volume of 10.0Lt has its temperature raised to 150C. Assuming a constant pressure,
1. 1 answer
2. asked by Linda
3. 429 views
A container with a volume of 19.6 L that has temperature of 37C and a pressure of 0.900 atm has its temperature lowered to 0.00C
1. 1 answer
2. asked by Patrick
3. 415 views
How many moles of Xe gas are there in a container of Xe with a volume of 1.5L, and a pressure of 1.25 atm, and a temperature of
1. 1 answer
2. asked by Patrick
3. 368 views
What is the pressure of a sample of Chlorine gas if the gas sample contains 0.25 moles of Chlorine and has a volume of 150 L
1. 1 answer
2. asked by Amanda
3. 466 views
ms. sue teacher say i have to do easy bib workcite page even for pictures i get from internet she say they need to have authors
1. 3 answers
2. asked by Mohammad
3. 528 views
2sin(4t)[(cos(3/2)x)(cos(5x/2)-sin((15/4)x)]+x
1. 2 answers
2. asked by Brianna
3. 827 views
If a basketball has a circumference of C = 2.98 ft, what is its surface area and its volume?
1. 3 answers
2. asked by gretchen
3. 480 views
The surface area of a cone is 55 pie cm squared. The radius is 5 cm. What is the slant height?
1. 0 answers
2. asked by Angela
3. 513 views
2sin(4x)[(cos(3/2)x)(cos(5x/2)-sin((15/4)x)]+xcan someone simplify this using trig identities?
1. 1 answer
2. asked by Brianna
3. 467 views
The volume of a sphere is V = 14,130 ft3. What is its surface area?What is it's radius? The volume of a sphere is V = 4443 m3.
1. 3 answers
2. asked by Mike
3. 742 views
Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve.x=4+2cos(theta)
1. 1 answer
2. asked by ct
3. 2,016 views
a bus engine can operate at very high temperatures . if one of the cylinders has a volume of 1 litre and is initially at 25°C
1. 1 answer
2. asked by amanda
3. 1,020 views
the bubba corp. had net income before taxes of $200.000 and sales of $200.000. if it is in the 50% tax bracket ifs after tax
1. 2 answers
2. asked by mike
3. 1,555 views
Classify the following 3 acids in order of increasing acidity:Acid 1:Ka = 8 x 10-6 Acid 2:Ka = 6 x 10-4 Acid 3:Ka = 9 x 10-11
1. 1 answer
2. asked by Andrea
3. 1,644 views
Are the reactants or the products favoured in the following reactions?a. CH3COOH with NH3? b. HS- with HCO3-? c. HNO2 with NH3
1. 1 answer
2. asked by Andrea
3. 1,015 views
Which of the following contains the highest H3O+ ion concentration? Explain your answer.HCl 0.1 M HCH3CO2 0.1 M
1. 1 answer
2. asked by Andrea
3. 868 views
200 g of CH3COOH are dissolved in enough water to make 1.5 L. What is the molarity of the acetic acid solution?
1. 1 answer
2. asked by Andrea
3. 730 views
The equilibrium constant for the following reaction is 7.2 x 10-10. What is the [H+] in a solution 1.0 M of this acid?HCN + H2O
1. 1 answer
2. asked by Andrea
3. 1,194 views
Calculate the KA of formic acid if 2.3 g of it is dissolved in 1 litre of water to give [H+] of 0.003 M.
1. 1 answer
2. asked by Andrea
3. 661 views
Compare the standard deviation for the heights of males and the standard deviation for the heights of females in the class.
1. 1 answer
2. asked by letty
3. 504 views
Please check to make sure I did these correctly, so confusing. Thank you.Rename each fraction as a terminating or repeating
1. 3 answers
2. asked by claire
3. 478 views
Compare the standard deviation for the heights of males and the standard deviation for the heights of females in the class.
1. 1 answer
2. asked by letty
3. 1,095 views
Commercial vinegar usually has a concentration of 5%, per volume.a) Calculate the [H3O+] , if the density of acetic acid is
1. 2 answers
2. asked by Andrea
3. 926 views
how do i find the fractional notation of 11.443 and equal it to ?/1000
1. 1 answer
2. asked by aubrey
3. 362 views
what is the maximum amount of KNO3 that can dissolve in 300 grams of water at 40 degree C. Solubility of KNO3 is 60g/100g at
1. 3 answers
2. asked by bkue
3. 1,587 views
the chemical dichlorobenzne will not disolve in water, what muct the polarity of dichlorobenznebe by and why?
1. 1 answer
2. asked by Sally
3. 350 views
25g of ethanol is dissolved in 1.50 kg of whater. what will the boiling point of the solution be?
1. 1 answer
2. asked by Sandra
3. 426 views
What is the pH of a solution prepared by dissolving 12.2 g of benzoic acid in enough water to produce a 500 mL solution?
1. 1 answer
2. asked by Andrea
3. 749 views
Calculate the volume of Ba(OH)2 0.20 M necessary to neutralize 300.0 mL of H3PO4 0.30 M. (4 marks)
1. 2 answers
2. asked by Andrea
3. 1,820 views
As you know, Chemproc, Inc. is a premier manufacturer of chemicals and chemical waste. Further, as has been recently highlighted
1. 0 answers
2. asked by Sarah
3. 491 views
A weak acid solution, HX 0.37 M, has a pH of 3.70. Calculate the acidity constant for this acid.
1. 1 answer
2. asked by Andrea
3. 1,867 views
what is the boiling point elevation when 31.5 g of menthol (C10H20 O ) is dissolved in 258g of acetic acid? Kb for acetic acid
1. 1 answer
2. asked by bkue
3. 695 views
how do i round 2/15 to the nearest tenth, hundreth and thousanth?
1. 2 answers
2. asked by john
3. 521 views
What is a galaxy with no definite shape or size called?
1. 1 answer
2. asked by Ginny
3. 871 views
For the following acids:i. CH3COOH ii. HNO2 iii. HCN a) What is the dissociation equation in an aqueous solution? b)Give the KA
1. 1 answer
2. asked by Andrea
3. 1,297 views
A block of mass m is projected at speed Vo up a rough plane inclined at an angle theta to the horizontal. Model the block as a
1. 0 answers
2. asked by Anonymous
3. 586 views
garys cat weighs 11 lb.How many ounces is that?
1. 3 answers
2. asked by Gabe
3. 820 views
how many tons are in 35,00 lb?
1. 2 answers
2. asked by andy
3. 301 views
Soo the equation is 25y^2-9x^2-200y-36x+139=0and for the center is got (2,4) and the vertices I got (2,7) and (2,1) But i cant
1. 0 answers
2. asked by Nancy
3. 409 views
Hi Dr.Bob,Which is the correct formula for dinitrobis(ethylenediamine)cobalt(III) nitrate? I'm not sure which is the correct one
1. 1 answer
2. asked by Meenaakshi
3. 719 views
A 1.07 kg block slides across a horizontal surface directly toward a massless spring with spring constant 4,794 N/m. The surface
1. 1 answer
2. asked by Jennifer
3. 547 views
a family travels to Bryce Canyon for three days. on the first day, they drive 150 miles. on the second day, they drive 190
1. 1 answer
2. asked by loraine
3. 1,276 views
the fun guys game was rental store charges an annual fee of $5 plus $5.50 per game rented. the game bank charges an annual gee
1. 2 answers
2. asked by loraine
3. 1,236 views
at the local per store, zebra fish cost $2.10 each and neon tetras cost $1.80 each. if marsha bought 13 fish for a total of
1. 1 answer
2. asked by loraine
3. 2,124 views
Write the double-replacement reaction of HgCl2 reacting with Na2CO3.
1. 2 answers
2. asked by bea
3. 494 views
The altitude of a triangle is increasing at a rate of 3.000 centimeters/minute while the area of the triangle is increasing at a
1. 0 answers
2. asked by remy
3. 891 views
A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.2 cm/min. At what rate is the volume
1. 0 answers
2. asked by remy
3. 1,185 views
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 25
1. 0 answers
2. asked by remy
3. 580 views
Gravel is being dumped from a conveyor belt at a rate of 50 cubic feet per minute. It forms a pile in the shape of a right
1. 1 answer
2. asked by remy
3. 1,447 views
2. What forces in the marketing environment represent possible opportunities for Danone’s Activia brand?
1. 0 answers
2. asked by Anonymous
3. 412 views
A person is pushing on a refrigerator that sits on a level floor. Use Newton's third law along with his second law to find the
1. 1 answer
2. asked by Alex
3. 1,526 views
How many calories will be needed to melt that 50 grams of snow (report as 1 significant figure)?
1. 2 answers
2. asked by bea
3. 425 views
Write the double-replacement reaction of PbCl2 reacting with Na2CO3.
1. 1 answer
2. asked by bea
3. 475 views
2Na+(aq) + CO32-(aq) + H2O(l) 2Na+(aq) + HCO3-(aq) + ???(aq)
1. 1 answer
2. asked by bea
3. 427 views
convert 25 liter into SI unit
1. 1 answer
2. asked by kapil
3. 422 views
Las Vegas uses a council-manager style government?
1. 1 answer
2. asked by Diana
3. 457 views
A long hollow non-conducting cylinder of radius 0.060 m and length 0.70 m carries a uniform charge per unit area of 4.0 C/m^2 on
1. 1 answer
2. asked by Rams
3. 555 views
A square piece of foil with area A = 5.0 × 10^-4 m^2 and mass m = 5.0 × 10^-5 kg is suspended along one edge and hangs under
1. 2 answers
2. asked by Rams
3. 605 views
is (8,5) a solution of yx+7
1. 1 answer
2. asked by janika
3. 289 views
A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike.
1. 1 answer
2. asked by Nicholas
3. 551 views
A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike.
1. 1 answer
2. asked by Nicholas
3. 511 views
30 cubic-centimetre hydrocarbon requires 90 cubic-centimetre of oxygen for complete combustion and 60 cubic-centimetre of
1. 0 answers
2. asked by NItesh Kumar
3. 365 views
i will be greatefull,if you help me in answering the below problem:1.)Prove that the bisectors of two adjacent supplementary
1. 2 answers
2. asked by srikar
3. 438 views
weloo(a)find antiderivatives for the following functions : (i) e^5x sinh3x + 4x+6/x^2+3x+5 . (ii)root3x(x^2-2/x+1). (b)Evaluate
1. 1 answer
2. asked by weloo
3. 449 views
how many atoms of oxygen are present in 30 g of glucose
1. 1 answer
2. asked by Susan
3. 419 views
Price of corn was 4%/ on Jan 2009 and 7%/ on Jan 2010. By what percentage did the corn price change from Jan 2009 to Jan 2010?
1. 2 answers
2. asked by Anonymous
3. 1,057 views
what is x over 6 divided by x over 30?
1. 1 answer
2. asked by Michael
3. 341 views
in 10-15 lines critically discuss 5 ways in which the humans or enviromental problems impact on the community.due to hiv/aids
1. 1 answer
2. asked by lindi
3. 442 views
a sales manager wants to know whether a special promotional campaign is a success. he had the following data-Retail outlets :1 2
1. 1 answer
2. asked by jesse
3. 506 views
Suppose that the certain lifetimes of a certain light bulb are normally distributed with μ=1500 hours and σ=200. Find the
1. 2 answers
2. asked by Yenny
3. 826 views
What is the nostril
1. 1 answer
2. asked by Valerrie
3. 251 views
A net charge of 47 mC passes through the cross-sectional area of a wire in 19.0 s.(a) What is the current in the wire? 1 A (b)
1. 2 answers
2. asked by Amelia
3. 1,038 views
A hair dryer draws a current of 9.7 A.(a) How much charge passes through the hair dryer in 3.5 min? 1 C (b) How many electrons
1. 2 answers
2. asked by Amelia
3. 2,594 views
How much charge passes through a cross-sectional area of a copper wire in 0.8 s if I = 3.5 A?1 C
1. 2 answers
2. asked by Amelia
3. 1,112 views
A color television has a power rating of 325 W. How much current does this set draw from a potential difference of 120 V?1 . A i
1. 1 answer
2. asked by Amelia
3. 4,574 views
A color television has a power rating of 325 W. How much current does this set draw from a potential difference of 120 V?1 . A i
1. 1 answer
2. asked by Amelia
3. 425 views
A steam iron draws 6.5 A when connected to a potential difference of 120 V.(a) What is the power rating of this iron? 1 W (b)
1. 4 answers
2. asked by Amelia
3. 2,176 views
Calculate the cost of operating a 65 W light bulb continuously for a 30-day month when electrical energy costs $0.23/kW·h.$ 1
1. 1 answer
2. asked by Amelia
3. 817 views
The operating potential difference of a light bulb is 120 V. The power rating of the bulb is 105 W. Find the current in the bulb
1. 3 answers
2. asked by Amelia
3. 1,928 views
Finco must determine how much investment and debtto undertake during the next year. Each dollar invested reduces the NPV of the
1. 2 answers
2. asked by ama
3. 1,414 views
for randomly selected adults, IQ scores are normally distributed with a standard deviation of 15. the scores of 14 randomly
1. 2 answers
2. asked by carl
3. 4,485 views
what mass of KCl can be dissolved in 200.0g of water at 15.0C?
1. 1 answer
2. asked by valerier
3. 580 views
Name a business or health care organization that you believe is using a proactive, rather than reactive, approach to dealing
1. 1 answer
2. asked by lisa
3. 1,084 views
I'm not sure what they're asking in this question- are they asking where you are when you vacation?¿Dondé te ustedes cuando de
1. 3 answers
2. asked by Anthony
3. 442 views
What are some of the similarities and differences between scroll paintings in China and Japan?
1. 2 answers
2. asked by Maria <3
3. 435 views
If measures of two complementary angles are in the ratio 1 : 5. What are the degree measures of the two angles? Thanks :)
1. 1 answer
2. asked by Samuel
3. 973 views
you have requirement that men must be at least 74 in tall and women must be at least 70 in tall. the men height is 69 in +/-2.8
1. 1 answer
2. asked by alyssa
3. 495 views
A ferryboat traveling at a speed of 30 km/h attempts to cross a river with a current of 5 km/h. What is the boat's speed
1. 1 answer
2. asked by Anonymous
3. 398 views
It is important to make sure that any person selling you a car has?A. physical possession of the vehicle. B. informed the motor
1. 1 answer
2. asked by Aisha
3. 849 views
-6 = -( x- 5) -3 ( 5+ 2x) -4 (2x -4) solve for x
1. 1 answer
2. asked by diego
3. 403 views
On a graph coordinate A is -1,4 B is 6,4 C is 6,0 D is -1,-2. These coordinates form a rectangle. What is the area of ABCD?
1. 1 answer
2. asked by Cherie
3. 337 views
Is this a complete sentence? Or should the comma be replaced by a semi-colon?Surely there are certain situations in which
1. 1 answer
2. asked by Teddy
3. 440 views
a hyperbola is centered at (3,7). The vertices are (9,7) and (-3,7). The slopes of the aymptotes are m==/-5/6. Enter the
1. 0 answers
2. asked by Nancy
3. 434 views
what is the simplied form of (5m^-4n^2)^3
1. 1 answer
2. asked by plz help
3. 325 views

Back to May 2012

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024