Questions Asked on
March 1, 2010

Chemistry
Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas. Is Al2(CO3)3 ==> Al2O3 + CO2 the right equation? If so, how do you balance this equation?
asked by Jack 
Chemistry
The following reaction is first order, C2H6==> 2CH3. If the rate constant is equal to 5.5 x 104 s^1 at 1000 K, how long will it take for 0.35 mol of C2H6 in a 1.00 L container to decrease to 0.20 mol in the same container? Thank you very much
asked by gaby 
Chemistry
What is the balanced ionic equation between bromine and sodium bisulfite??? thanks
asked by niki 
chemistry
A 1 L flask is filled with 1.40 g of argon at 25 degrees celcius. A sample of ethane vapor is added to the same flask until the total pressure is 1.00 atm. Whatis the total pressure of Argon in the flask ? What is the partial pressure of ethane in the
asked by supaflychic101 
Chemistry
Suppose you wanted to dissolve 106g of Na2CO3 in enough H2O to make 6.00 L of solution. A. What is the molar mass of Na2CO3? B. What is the morality of this solution?
asked by Maddie V 
Corporate Finance
19. Fool Proof Software is considering a new project whose data are shown below. The equipment that would be used has a 3year tax life, and the MACRS rates for such property are 33%, 45%, 15%, and 7% for Years 1 through 4. Revenues and other operating
asked by Andy 
Corporate Finance
1. Langston Labs has an overall (composite) WACC of 10%, which reflects the cost of capital for its average asset. Its assets vary widely in risk, and Langston evaluates lowrisk projects with a WACC of 8%, average projects at 10%, and highrisk projects
asked by Andy 
chemistry 106
Dry air near sea level has the following composition by volume: N2, 78.08 percent; O2, 20.94 percent; Ar, 0.93 percent; CO2, 0.05 percent. The atmospheric pressure is 1.00 atm. (Hint: Since volume is proportional to the number of moles present, mole
asked by Tanisha 
Chemistry
The reaction for the decomposition of dinitrogen monoxide gas to form an oxygen radical is: N2O(g)==>N2(g)+O(g) . If the activation energy is 250 kJ/mol and the frequency factor is 8.0 x 1011 s1, what is the rate constant for the firstorder reaction at
asked by gaby 
College Chemistry
here is the question: A sapphire gemstone contains 52.7% aluminum, 47.% oxygen, and traces of titanium. If the saoohire was found to contain 0.155g of oxygen, what is the mass of the gemstone? i think this is a precent unit factor but i don't know how to
asked by Jena 
chemistry
What element is undergoing reduction in the following reaction? Zn(s) + AgNO3(aq) > Zn(NO3)2 + 2 Ag(s)
asked by candace 
chemistry
a student synthesized 6.895g of barium iodate monohydrate, Ba(IO3)2.H2O, by adding 30.00 mL of 5.912*10^1M barium nitrate, Ba(NO3), to 50.00 mL of 9,004*10^1 M sodium iodate, NaIO3 (1) write the chemical equation for the reaction of solutions of barium
asked by aymal 
Calculus
A voltage V across a resistance R generates a current I=VR. If a constant voltage of 4 volts is put across a resistance that is increasing at a rate of 0.3 ohms per second when the resistance is 4 ohms, at what rate is the current changing? (Give units.)
asked by Samuel 
Physics
A 0.53kg billiard ball initially at rest is given a speed of 12 m/s during a time interval of 4.0 ms. What average force acted on the ball during this time?
asked by Chels 
physics
A 9500 pF capacitor holds plus and minus charges of 16.5*108 C. What is the voltage across the capacitor?
asked by electric field 
Volume of a rectangular prism
Hello, if the volume of a rectangular prism is LWH = 64 cubic inches, what are the dimensions of a rectangular prism with dimensions twice as long? Thank you!
asked by Andrew 
CHEM
If 335g water at 65.5 degC loses 9750 J of heat, what is the final temperature of the water?
asked by Sammy 
Math
1) use the halfangle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67 degrees and 30' Please explain!! I do not know how to start.
asked by Janet 
chemistry
The pressure exerted on a 240. mL sample of hydrogen gas at constant temperature is increased from 0.428 atm to 0.724 atm. What will the final volume of the sample be?
asked by Rayven 
Algebra 2
Can someone help me? I'm really confused. The loudness L of a sound in decibels is given by L= 10log(base10)R, where R is the sound's relative intensity. If the intensity of a certain sound is tripled, by how many decibels does the sound increase?
asked by Ana 
physics
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s2. What are the magnitude and direction of the electric field.
asked by electric field 
physics
A car of mass 600 kg is travelling at 10m/s. when brakes are applied, it comes to rest in 10 M. what is the average force exerted by the brakes?
asked by Farah 
college physics
A 147 g baseball is dropped from a tree 12.0 m above the ground. If it actually hits the ground with a speed of 8.00 m/s, what is the magnitude of the average force of air resistance exerted on it?
asked by peyton 
Math
If a diamond shape = 2/3 how do you draw 1/3, 1, 4/3, 2 thanks
asked by Emma 
ap statistics
an opinion poll asks a sample of 500 adults (an SRS) whether they favor giving parents of school age children vouchers that can be exchanged for education at any public or private school of their choice. Each school would be paid by the government on the
asked by mary 
science
how does the space shuttle maneuver in the exosphere
asked by mrs.bieber 
chemisty
what is the final pH after 1 drop(.05ml) of 6M HCl is added to 1.0L of freshly prepared pure water that was originally at a pH of 7.0. Is there a signigicant pH change?
asked by tiffany 
chemistry
125 mL of 25 dergree celsius of distilled water was used to wash and transfer a precipitate. rather than 20 ml of CHILLED distilled water (at 4 degree celcius). the solubility of baruim iodate monohydrate in 25 degree celcius water is 0.028g per 100 ml of
asked by Myaa 
Corporate Finance
1. TexMex Products is considering a new salsa whose data are shown below. The equipment that would be used would be depreciated by the straightline method over its 3year life, would have zero salvage value, and no new working capital would be required.
asked by Andy 
Chemistry Writing Net Ionic equations
I need to write the net inonic equation for (NH4)2SO4(aq) and KNO2(aq). I need to know the reactants and the product. I worked it out and got: 2K+(aq) + SO4(aq) > K(SO4)2(s)
asked by Tiffany 
6th grade MATH
WHICH equation describes the relationship between X and Y as in the table below x y 3 5 4 9 5 13 6 17 a. y=4x7,b.y=x+12,c.y=2x5,d.y=3x5 can you give me the answer and explane it for me please!!!!!!!!!!!!
asked by LOU LOU 
math
A rectangular field 250 m long by 110 m wide. How much shorter is it to walk diagonally across the field than around the sides?
asked by H 
Chemistry
A 2.00 M solution of CaCl2 in water has a density of 1.17 g/mL. What is the mole fraction of CaCl2?
asked by gaby 
Statistics
The American Veterinary Association claims that the annual cost of medical care for dogs averages $100, with a standard deviation of $30, and for cats averages $120, with a standard deviation of $35. A)Whats the expected difference in the cost of medical
asked by Ashley 
Biology
2. The advantages of vascular tissue over nonvascular tissue are evident in a. whether organisms have alternation of generations b. an organism's size and complexity c. the number of individual offspring produced by each organism d. all of the above B? 3.
asked by mysterychicken 
chemistry
The reversible reaction n2(g) + 3h2(g) produces ammonia, which is a fertilizer. At quilibrium, a 1L flask contains 0.15 mol H2, 0.25 mol N2, and 0.10 mol NH3. Calculate K eq for a reverse reaction? Please HELPP!
asked by anonymous 
social studies
which of the forces at work in Europe played the greatest role in helping to prompt the outbreak of war
asked by lissie 
physics
Two point charges, 3.4 μC and 2.6 μC, are placed 1.6 cm apart on the xaxis. At what points along the xaxis is (a) the electric field zero (b) the potential zero?
asked by electric field 
Finance
20. TexMex Products is considering a new salsa whose data are shown below. The equipment that would be used would be depreciated by the straightline method over its 3year life, would have zero salvage value, and no new working capital would be required.
asked by ABC 
physics
A 1300 kg sports car accelerates from rest to 90 km/h in 7.0 s. What is the average power delivered by the engine?
asked by peyton 
Precalculus
Write the equation an absolute value function is shifted up 2 units shifted right 3 units and horizontally stretched by 5
asked by Arielt 
chem
Consider the titration of 20 mL of .105M Butric Acid HBut, with .125M sodium Hydroxide? calculate the pH before titration calculate the volume of added base to reach the end point calculate the pH halfway to the equivalence point kb(But)= 6.6x 10^10 and
asked by simi 
chemistry
A 0.500 L solution of 7.50 M hydrochloric acid is used to neutralize a 250.0 g sample of calcium hydroxide. Calcium chloride – a chemical used to control highway dust, strengthen concrete mixes, and add flavor to foods – is produced by the reaction. 2
asked by BT 
Math
A retail store estimates that weekly sales s and weekly advertising costs x (both in dollars) are related by s=50000−430000e^(−00009x) The current weekly advertising costs are 2000 dollars and these costs are increasing at the rate of 300 dollars per
asked by Nathan 
chemistry:URGENT
How to convert (a)ethane to propanone (b)propanone to ethane (c)isobutane to propanone (d)methane to benzene (e)benzene to methane (f)ethyne to methane (g)propanone to benzene (h)ethene to propene (i)Propan2ol to Propan1ol
asked by sashank 
Universe and the StarsPlease Check
Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to
asked by Sara 
Corporate Finance
1. The Federal Reserve recently shifted its monetary policy, causing Lasik Vision's WACC to change. Lasik had recently analyzed the project whose cash flows are shown below. However, the CFO wants to reconsider this and all other proposed projects in view
asked by Andy 
Chemistry
How does the activation energy of an uncatalyzed reaction compare with that of the catalyzed reaction?
asked by Gabby 
math
What is a definition of decreasing pattern, increasing pattern and repeating pattern?
asked by Strawberryhat 
Biology
14. The stomata are responsible for a. translocation b. leaf growth c. regulating water loss d. the transport of minerals D? 2. In a moist area of the woods, you see a mass of small, green plants with tall, thin, nongreen projections coming from their
asked by mysterychicken 
Langston Hughes
Explain the use of repetition of the pronoun "I". The poem is "Negro Speaks of Rivers" by Langston Hughes.
asked by Troy 
physics
What is the minimum work needed to push a 800 kg car 860 m up along a 9.0 degree incline? Ignore friction. Then assume the effective coefficient of friction retarding the car is 0.22. I have no idea where to start this problem
asked by Anonymous 
psychology
A typical act of servant leader should be to: a) work for salary no higher than that of group members. b) expect group members to act like personal servants c) k group members what they want to achieve d)volunteer to do custodial work for the department Is
asked by vedrana 
Calculus
A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude of 8 km and climbs at an angle of 20 degrees. At what rate, in km/min, is the distance from the plane to the radar station increasing 2 minutes later?
asked by Danny 
Math
Need help with word problem. In the life, inyears of a television set with a mean of 20 years and a standard deviation of 1.8 years, what should be the guarantee period if the sompany wants less than 1% of the tv sets to fail while under warranty? should I
asked by Veronice 
MATH
A submarine was cruising at a depth of 153 m. It then rose at 4.5 m/min for 15 min. What was the submarine's depth at the end of this rise? If the submarine continues to rise at the same rate, how much longer will it take to reach the surface?
asked by Anonymous 
Calculus
At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per
asked by Samuel 
chem
a buffer is made by adding 150 ml of .595M BaF2 and 0f .500M of HF solution. calculate the pH of this buffer system calculate the pH of this buffer after adding .100 mol Hcl calculate the pH of this buffer after adding .0750 mol Ca(OH)2 ka(HF)= 6.9x10^4
asked by simi 
Chemistry
StoichiometryI have the basic strategy, but am still stuck on how to do them.example...propane burns in oxygen according to the following reaction C3H8 + O2 produces CO2 + H20 a. How many moles of CO2 are formed when 2.8 g of propane reacts? b. If 0.45 g
asked by Kay 
physics
A 755 N man stands in the middle of a frozen pond of radius 9.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.2 kg physics textbook horizontally toward the
asked by nate 
Calculus
A poster is to have an area of 170 in2 with 2 inch margins at the bottom and sides and a 3 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.)
asked by Sasha 
math
Sams birthday is 186 days after jim's birthday. susan's is 24 days after jim's. sam was born on september 6. what day was susan born on if it was not a leap year?
asked by Sam 
physics
How fast must a cyclist climb a 4.0 degree hill to maintain a power output of 0.35 hp? Neglect work done by friction, and assume the mass of cyclist plus bicycle is 83 kg.
asked by peyton 
business
Brifly explain the concept of SWOT analysis.Then , with reference to Text 4.3, answer the following questions in detail and cite examples and relevant sections from the text. 1. What information is included in the introductory sentence? 2. What is covered
asked by saeed 
Org. Chem.
1. Find examples of reagents used in performing chemical resolutions of acidic, basic, and neutral racemic compounds. 2. Propose methods of resolving each of the following racemic compounds: A) CH3CH(Br)C=OOH B) Don't know how to name, but it's a benzene
asked by CMM 
government
distinguish successful and unsuccessful assertions of judicial power and what puts Marbury in one class and Dred in another
asked by mary 
Biology
Need help with these 8. Medicinal uses of plants include all of the following EXCEPT a. cancer treatment b. treatment of cardiac disorders c. decongestant d. albinism treatment D? 9. Two plants that are used to make BOTH paper and cloth are a. bamboo and
asked by mysterychicken 
Chemistry (URGENT)
Balance the following equations. 3. C12H22O11 + O2 = CO2 + H2O Answer: C12H22O11 + 12 O2 = 12 CO2 + 11 H2O 8. CH3OH + O2 = CO2 + H2O Answer: 2 CH3OH + 3 O2 = 2 CO2 + 4 H2O I balanced all the others just fine. But I seem to be having trouble with these two.
asked by John 
Thermodynamics
What is the specific volume of a gas at 180psia & 90°F when its density is 0.0892 lb/cu ft at 14.7psia & 32°F. Calculate its gas constant & the appropriate molecular weight. Checking: @ 14.7psia & 32°F where; v= 1/0.0892lb/cu.ft = 11.2108cu.ft/lb v=
asked by Janus 
federal tax
Carl bought a heavyduty truck (5year class recovery property) for his business service on April 30. The truck is not considered a passenger automobile for purposes of the listed property and luxury automobile limitations. The truck has a depreciable
asked by bree 
RESPONSE to PreCalc Question
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 7 4 1 7 1 8 8 I don't follow your work Reiny ¡î3sinx + cosx = 1 ¡î3cosx = 1cosx square both sides 3cos^2 x = 1  2cosx + cos^2 x 3(1sin^2 x) = 1  2cosx + cos^2 x this
asked by Kate RESPONSE 
Physics
An electron moving to the right at 3.0% the speed of light enters a uniform electric field parallel to its direction of motion. If the electron is to be brought to rest in the space of 4.5 cm, determine the following. What direction is required for the
asked by Chris 
com/150
Before you write your expository essay, you must organize your ideas. One way to organize content is by creating a formal outline. Normally, an outline organizes only the body of your paper. Although your thesis statement appears in your introduction when
asked by Anonymous 
geometry
Find a coordinate rule for a reflection across the line y = 2x. Then use the rule to find the image of triangle ABC = [ 2 6 0 ] [ 3 4 4 ]. Be sure to clearly show your work indicating how you found your rule. In addition write the coordinate matrix for
asked by lia 
English
I had a very good day today, and I wrote about it as well. I had a title for it which was: An extraordinary day, but I want to give it a kind of magical title. My day was pretty much full of my wild imagination especially in the reality of boring parts.
asked by Sara 
Langston Hughes
Why does Langston Hughes repeat the line, "I've known rivers," in the Poetry "The Negro Speaks of Rivers." The rivers are the Euphrates, Congo, Nile, and Mississippi river.
asked by Troy 
MATH
Illustrate with an example that (a + b)  c = a + (b  c) in the set of whole numbers
asked by lISA 
chemistry
Determine the mass of hydrogen gas if 36g of water undergoes electrolysis to produce hydrogen and oxygen.
asked by Duhe 
ScienceRepostUniverse&Stars
Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to
asked by Sara 
math
Jane's gross earnings are $16,250 per year. If she has 24% withheld, what is her net income
asked by puppy101`` 
trig
Given the polar coordinates of a point, how do I find the rectangular coordinates? (2, 3pi/4) (4, 7pi/6) (2/3, 2pi/3) Given the rectangular coordinates of a point, how do I find the polar coordinates? (4, 0) (3, 4) (2, 2)
asked by BT 
math 12  sequences and series
Given the expression Sn = n^2 + 2n for the sume of the first n terms of a series, determine a) An expression, in simplified form, for Sn1 in tmers of n b) an expression, in simplified form, for the nth terms, tn in terms of n
asked by CL 
ethics
Write a 1,400 to 1,750word autobiographical research paper analyzing the influences of race as it relates to your community. In your paper, write your firstperson account of how human interactions in your community have been racialized. For the
asked by jamanica 
chemistry
Determine the mass of hydrogen gas if 36g of water undergoes electrolysis to produce hydrogen and oxygen.
asked by Duhe 
chemistry
Consider the following balanced reaction. What mass (in g) of CO2 can be formed from 743 mg of O2? Assume that there is excess C3H7SH present. C3H7SH (l) + 6 O2 (g) > 3 CO2 (g) + SO2 (g) + 4 H20 (g)
asked by candace 
ScienceUniverse and Stars
Now i have to conpare the oscilating theory with the expanding universe theory. is the expanding universe theory referring to the big bang? I am sort of stumped on this, your help will be greatly appreciated, thanks
asked by Sara 
Environmental Science
True or False: 28. Hydroelectric energy is produced by flowing water turning a turbine which generates electricity. TRUE 32. Geothermal energy is generated when heated water or steam is pumped up from inside the Earth to power a turbine that generates
asked by y912f 
chemistry
how many grams of magnesium is needed to produce 2.154g of magnesium nitrate?
asked by Rachel 
History
I have to write an essay on the drop of the atomic bomb on japan in world war 2. Our teacher told us president Truman never dropped it on japan but demonstrated the bomb to japan on the effect o it. However, the internet said it was dropped and japan
asked by Kelsey allen 
statistics
Is this a descriptive study or an inferential study. I say descriptive...... The table below shows the average income by age group for residents of a small midwestern town in 2001 based on a sample of 200 individuals from each group. Age Group Average
asked by carmen 
English
Can someone please help to find poetic devices in this poem? I know there's similes, alliteration and repetition. Can someone help me find about 5 or 6 poetic devices? Any help would be appreciated :) Lying, thinking Last night How to find my soul a home
asked by Gaveen 
math214
I have no clue how to answer this question. A farmer has a square plot of land. An irrigation system can be installed with the option of one large circular sprinkler, or nine small sprinklers. The farmer wants to know which plan will provide water to the
asked by alicia 
trig
I don't understand the question... (This homework question was removed due to a copyright claim submitted by k12.com.)
asked by BT 
physics
need help with this physics questions a jogger runs with a velocity of 6km/h 25 degrees north west for 35 minutes and then changes direction , jogging for 20 minutes at 4.5km/h 65 degrees east of north. using a vector diagram determine the joggers total
asked by jake 
Langston Hughes
Why does Langston Hughes repeat the line, "I've known rivers," in the Poetry "The Negro Speaks of Rivers."
asked by Troy 
college chemistry
how much solute is needed to prepare 450ml of a 2.0% (m/v) potassium chloride solution?
asked by shaneka 
physics
two pint charges are 4 cm apart. They are moved to a new distance of 2 cm. By what factor does the resulting mutual forces between them change. a. 1/2 b. 2 c. 1/4 d. 4
asked by morgan 
ScienceUniverse and Stars
what s the osc illating theory of universe? the oscilaating theory of the universe is the theory on the universe expanding. The gravitational pull of all the galaxies plus whatever the other matter existed in the universe would be great enough to slow down
asked by Sara 
calculus
Does any tangent to the curve y=ãx cross the xaxis at x= 1? If so, find an equation for the line and the point of tangency. If not, why not?
asked by natalia 
Precalculus
determine the domain of the function and express in interval notation square root of x9 =y show work
asked by Arielt 
Science fair
PLEASE HELP MS.SUE. I really need your help I'm in 3rd grade and I have to do a science fair project. I'm planning on doing the science fair project about making hot water freeze. Is it a good idea if not can you give me some ideas? And if it is then can
asked by Fatima 
synonym
1}select the synonym of the word flamboyant. a}ordinary b}plain c}extravagant d}conventional 2}select the definition for the word senile. a}preeminent b}priority c}old age d}clear help plz:)
asked by laura 
science
what muscles would I use to scratch my head?
asked by maryann 
physics
need help with physcis vector problem Using combining vectors to find displacement problem(BEST answer)? tourist on a jet ski move 1.2km 55 degrees North of E and then 3.15km 70 degrees south of east. determine the jet ski's displacement.
asked by jake 
math
Al's Clothing Store bought handkerchiefs, six for $10, and sold them 4 for $10. They made $60 profit. How many handkerchiefs did they sell?
asked by Rafaela 
Algebra 2
how do i solve these two problems? 3log(base5)^(x^2+9)6 = 0 log(base8)^(n3) + log(base8)^n+4)= 1 can you tell me step by step as well as the answers? please and thank you
asked by Ana 
chemistry
Determine the mass of hydrogen gas if 36g of water undergoes electrolysis to produce hydrogen and oxygen.
asked by Duhe 
sociology
how does Emile Durkhein efind sociology? Explain the tenets of his concept of sociology
asked by SELA 
Chemistry
I'm trying to write an equation for the reaction of zinc nitrate with aqueous ammonia. I know that zinc hyroxide is produced first but I don't really know how to write an equation for this. This is what I came up with: Zn(NO3)2 + 2OH > Zn(OH)2 + 2NO3
asked by Alice 
Earth and space science
what features are associated with subduction zones?
asked by nya 
statistics
To test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in. The first 25 papers showed a mean score of 77.1 with a standard deviation of 19.6, while the last 24
asked by Jennifer 
Math(Please help)
1) Verify the identity cos^4x  sin^4x = cos2x I know that this is the difference of squares so (cos^2x)^2  (sin^2x)^2 is this correct for the first step?
asked by Hannah 
general
Lucy is an adolescent girl who has undergone hospitalization and treatment because of an illness. Although her friends had been supportive while she was hospitalized, things changed for Lucy when she returned to school. Lucy's illness delayed normal
asked by ssf 
math
Write as fractions. a. 1/2 of 3/4 b. 1/3 of 3/5 c. 3/4 of 1/6
asked by Sammy 
math
The length of a rectangle is 2 cm more than three times the width. Find the dimensions of this rectangle if the area is 21 cm^2. I know the answer is 9 & 2 1/3 but I found it by trial and error. Is there an easier way to find the answer to this question?
asked by Chad 
statistics
Is this a descriptive study or an inferential study. I say inferential...... The average professional musicians’ salaries (in thousands) in the United States, England and Germany were complied and compared for years 1997 and 2007. Country 1997 2007
asked by carmen 
Biology
14. The stomata are responsible for a. translocation b. leaf growth c. regulating water loss d. the transport of minerals D? 2. In a moist area of the woods, you see a mass of small, green plants with tall, thin, nongreen projections coming from their
asked by mysterychicken 
5th Grade Word Study
What is the difference between VCV Different and VCV? Give me some examples! I need to finish it by 8:00 PM! Please answer my question. Thank you!
asked by Nanako 
Chemistry
How do temperature, concentration, and surface area affect the rate of a chemical reaction?
asked by Kathie 
Chem
How does the collision model explain the ffect of concentration on the reaction rate?
asked by Sara 
systems word problems
the sum of two numbers is 11. their product is 30. find the numbers. answer 5,6 represent the unknown by variables using let statements, translate into equationsusing variables. combine hem using substitution or elimination. answer the question by
asked by ed 
Universe and the Stars
what s the osc illating theory of universe? the oscilaating theory of the universe is the theory on the universe expanding. The gravitational pull of all the galaxies plus whatever the other matter existed in the universe would be great enough to slow down
asked by Sara 
Joan of Arc Film/Ashley
Umm OK let's see so France is fighting England and they are being helped by the Burgundians right? Joan heard the voices of god and angels right? I Don't Know: The name for the king before he is crowned is the______ Joan wanted to have______(name)
asked by Kerry 
chemistry
write an equation for the formation of a butane.Is this an intramolecular dehydration?Explain.Write an equation for the rection between KMnO4 AND BUTANE
asked by VIVIAN 
business
Write an essay of about 300 words in which you describe in detail what constitutes a case study together with explaining what is analysis and types of input text in business case a
asked by saeed 
Chemistry
what mass of sodium chloride contains 4.59*10^24
asked by Adam 
Samuel
Near x=0, the tangent line approximation gives e^(−3x)
asked by Nathan 
Social Studies
I'm really struggling with questions about Joan of Arc! I have a worksheet to answer about the 1999 film Joan of Arc, but I have no clue what I'm doing because I was absent the whole first half of the movie. I tried to research info about Joan, but got
asked by Kerry 
spanish
what dose con quienes va Tomas? mean
asked by kalli 
chemistry
How many moles of CH3CH2OH are contained in 657 mL of 0.0788 M CH3CH2OH solution?
asked by candace 
math
what is the property of this equation (14+8)+17=14(8+17)
asked by alisha 
PreCal
1) use the halfangle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67 degrees and 30' Please explain!! I do not know how to start.
asked by Janet 
English
Can someone please help to find poetic devices in this poem? I know there's similes, alliteration and repetition. Can someone help me find some more? Any help would be appreciated :) Lying, thinking Last night How to find my soul a home Where water is not
asked by Gaveen 
Joan of Arc/Ms. Sue
OK Ms. Sue I figured out some more! Are these correct: The name for the king before he is crowned is the Dauphin Joan met with the king at a chateau called Chinon. The king played a trick on Joan at their first meeting, What did he do? ANSWERHe hid
asked by Kerry 
English
I have to find the root and the affix for venerate. Would the root be the Latin word and the affix ven?
asked by Mia 
psychology
Define psychology and examine its relevance to the study of psychology
asked by SELA 
statistics
Is the standard deviation of the entire sampling distribution of means a statistic or a parameter?
asked by KLM 
math
please help me on the following: prove the identity. cos4x = 18sin^x2cos^2x
asked by John 
English :D
I'm writing an essay about medical experiments and the doctors in the Holocaust. I don't need help with the essay, which I can write myself, but the thesis statement is confusing me. What am I trying to prove about the topic? The answer to this question
asked by Bored 
social studies
WHY DID SPAIN BUILD MISSIONS IN THE BORDER LANDS OF NEW SPAIN?
asked by NAKYA 
Biology
2. The advantages of vascular tissue over nonvascular tissue are evident in a. whether organisms have alternation of generations b. an organism's size and complexity c. the number of individual offspring produced by each organism d. all of the above B? 3.
asked by mysterychicken 
Math
Could someone please help me with this math problem? Solve using the multiplication principle. Give the answer in setbuilder notation. 4/5 less than or equal to 8x. I want to say that I multiply both sides by 5 but I'm not sure. I'm confused with this
asked by B.B. 
english
i'm writing a persuasive essay about human cloning (against it). do you knw any good articles that has disadvantages and risks of human cloning? thnx in advance
asked by rose 
physics
1) At what speed must a 75 kg basketball player leave the ground if he is to jump a vertical distance of 1.2 m? (ans: 4.8 m/s)
asked by sa 
ScienceHelpUniverse/Stars
Can someone please check my previous science posts. I think that I only had one which no one responded to. It is latest one, and I posted it 2 times, thanks in advance :)
asked by Sara 
English
Can someone please help me to find poetic devices in this poem? I found metaphors, visual imagery and onomatopoeia. Any more? Phenomenal Woman Pretty women wonder where my secret lies. I'm not cute or built to suit a fashion model's size But when I start
asked by Gaveen 
statistics
is this qualitative data? The colors of new hybrid cars on a local car dealership lot.
asked by carmen 
statistics
is this quantitative data? The number of new hybrid cars on a local car dealership lot
asked by carmen 
ICP
The question is: A 30g sample of metal with a specific heat of .34J/g is heated to 50C. 4.8KJ of energy was transferred. What is the initial temperature? I used: heat=(mass)(specific heat)(change in temp) So I did 4800J=(30)(.34)(50x) 4800=(10.2)(50x)
asked by jp 
math
please help me on the following: prove the identity. cos4x = 18sin^x2cos^2x
asked by John 
Calculus
A system of equations is given by: F1(x,y,a,b) = x² + bxy + y²  a – 2 = 0 F2(x,y,a,b) = x² + y ²  b² + 2a + 3 = 0 Where x and y are endogenous variables while a and b are exogenous variables. Compute the differentials δx/δb and δy/δa at the
asked by Salman 
chem
Calculate the pH of the following salt solutions? 0.1 M HBr 0.1 M CaI2 0.1 BaF2 Kb (F)=1.4x10^11
asked by simi 
3rd grade book report
What does a 3rd grade book report suppose to have?
asked by Jessie 
Math
Randy deposits $7,540 in a bank account that pays 4.5 percent simple interest. If he doesn't change the principle, what will his balance be in 10 years?
asked by Nancy 
ADDING AND SUBTRACTING DECIMAL THEN FILLING IN THE
0.67+1.09 THEN FILLING IN THE CHART
asked by TYRA 
statistics
A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed a mean purchase of $5.29 with a standard deviation of $3.02. For the October 26 evening showing of the same movie, for a sample of 25 purchases the mean was $5.12
asked by Jennifer 
diction
what is diction in this poem
asked by Orlando 
Precalculus(URGENT)
g(x)=15x if the domain of the function of g is {x3 is less than or equal to x which is less than or equal to 2} what is the smallest value of the range show work please
asked by Arielt 
4th grade
2578 diveded by4
asked by mara 
math
what is .ooo552 in scientific notation
asked by Tanisha 
algebra
simplify 5y^4(y^5)^2 /15y^7(y^2)^3
asked by lisa 
4th grade math
1.) 99,412.55 2.) 44,499.77 How would you round the following to the nearest tenth? Would #1 be 99,412.60? Would #2 be 44,499.80? Please explain if I'm incorrect. Thank you in advance.
asked by Yan 
Chemistry
A 1.33 m solution of the solute diethyl ether dissolved in the solvent tetrahydrofuran is available. Calculate the mass(kg) of the solution that must be taken to obtain 0.4716 kg of diethyl ether. Name/Formula: diethyl ether = (C2H5)2O tetrahydrofuran =
asked by Luc 
english
I am supposed to be telling about my day at the assembly which i had last week. Ms Sue gave the title to me and she also gave me intro for it. i had family going over this. i don't know please revise Rah! Rah! Bah! Bah humbug! How excited I was, it was
asked by Anonymous 
Chem
How us the speed of a chemical reaction related to the spontaneity of the reaction?
asked by Alex 
physics
A 3 meter tall 40 degree inclined plane with a coefficient of friction of .3 with a box sliding from its top has this acceleration and final velocity.
asked by jordan 
Math
If a metal stays solid at Farenheit temperature below 1801.5 degrees. Determine ( in terms of an inequality) those Celsius temperatures for which the metal stays solid. Use the formula F= 9/5C+32. 1801.5=9/5C+32. Now I'm not sure what to do from here?
asked by B.B. 
Chem
How does the collision model explain the ffect of concentration on the reaction rate?
asked by Sara 
College Chemistry
I am trying to figure out how many minutes are required for sunlight to travel from the Sun to Earth? Assuming the sun is 93,000,000 miles from Earth and that sunlight travels at 1.86x10 to the 5th power miles per second. These things are so tricky, i know
asked by Jena 
math
I have to find how many brownies I MADE IF MY SISTER TOOK 1/2, MY BROTHER TOOK 2/3 AND MY DAY TOOK 1/2 AND ALL I HAVE LEFT IS SIX BROWNIES HOW DO I SHOW HOW MANY EACH PERSON TOOK AND WHAT KINDA OF MODELS CAN I USE TO SHOW THE TAKING AWAY OF BROWNIES
asked by tyree 
math
in the parking lot of floras apartment complexthere are 8 rows of parking spaces in each row,there are 12 parking spaces on the left and 14 parking spaces on the right. The total number of parking spacesin 8 rows of the lot is represented bye the
asked by LOU LOU 
Economics
Assignment 3 1. Some games of strategy are cooperative. One example is deciding which side of the road to drive on. It doesn’t matter which side it is as long as everyone chooses the same side. Otherwise, everyone may get hurt. Driver 2 Left Right Driver
asked by Harry 
Math
Approximate the equation's solutions in the interval (0,2pi). sin2x sinx = cosx I know that I should work on the left side first. I know how to solve for the intervals but I am just not sure how to start this off.
asked by Hannah 
tiger woods
list a training activite that have contibiuted to his golfing skill
asked by mrs.bieber 
healthcare
what an electronic medical record is, summerize the major features and benifits of EMRs, detail the importance of practice management, and address how software may assist office personnel in practice management.
asked by ssf 
Math
How many diagonals does a quadrilateral have?
asked by Diane 
Joan of Arc
Are these correct?: France is fighting England and they are being helped by the Burgundians right? Joan heard the voices of god and angels right? Joan wanted to have Charles VII (name) crowned at Reims (city) Joan was captured by the Burgundians at
asked by Kerry 
RESPONSE to PreCalc
Makes complete sense thank you so much!!! My only question is how come we respect domains only sometimes... For example now sin©¬/cos©¬ = (1/a)/(¡î3/a) = 1/¡î3 tan©¬ = 1/¡î3 ©¬ = 30¨¬ or pi/6 then sin 30¨¬ = 1/a 1/2 = 1/a > a = 2 so
asked by Kate 
Oracle
I am supposed to do the following problem: Alter the s_ord table to add a foreign key, CUSTOMER_ID, to the CUSTOMERID of the s_customer table. In addition, make sure ORD_ID of the s_item table is a foreign key to the ORDERID of the s_ord table. You need to
asked by vsu 
physics
what is the difference in shape on a graph between 70 degrees north of east and 70 degrees east of south
asked by jake 
History
Why did Truman decide to use the atomic bomb on Japan i need 3 ideas and i already have less casualties it would end the war Any more i just need one?
asked by Kelsey allen 
science
I figured out the other three questions but im stuck on this one... If you digest an entire human genome with a restriction enzyme you get a blurry smear in the lane of the gel. Why?
asked by Emily 
To:bobpursley
I have to make a concept map for the milky way, and I'm wondering if that means jotting down facts about it like a web. I am stumped on this and I need help, I'll greatly appreciate ur help, thanks
asked by Sara 
English
I forgot to include the following sentences. Thank you very much for your help. 1) The man thinks that that gang of teenagers back there is an absolute disgrace. 2) He believes that in a town that size there should be more for young people than just hang
asked by Franco 
latin
What are the incorrect grammars, verb forms, and case endings in my Latin story below? Illa eripio animalia. Vikki amat eripui animalia. Sed ibi est una difficultatis. Aliqui animalia es periculosi. Cur es animalia periculosi? Quia animalia est formido.
asked by Starr 
literary
How do authors of short stories use various literary devices to help with the development of theme?
asked by collette 
ScienceRepostUniverse&Stars
What does it mean by the Local Group of galaxies? The Local Group of galaxies are a group of around 2 dozen galaxies. It is the group to which our galaxy belongs. All the galaxies are clustered together in this group. They are all very near eachother.
asked by Sara 
Maths
Solve step by step 4sin^2x = 3cos^2x
asked by Caitlin 
Maths
Hey my question is How do we get the triangular numbers sequence ( general statement ) by the quadratic formula ? Can you shoe me steps please ? The triangle numbers are : 1 , 3 , 6 , 10 , 15 how do I get them in the form of a quadratic equation if a , b
asked by Awmr 
Environmental Science
True or False 30. Three alternative energy sources are tidal power, ocean thermal energy conservation (OTEC), and hydrogen. True
asked by y912f 
Algebra 2
i don't know how to do this problem. i keep getting stuck. can anyone help me? Solve: log(base8)^(n3) + log(base8)^n+4)= 1
asked by Ana 
chemistry
if you started with 2.154g of aluminum, how many grams of aluminum oxide would you get?
asked by Rachel 
matha.s.a.p.
Suppose you didn't know that b^0=1. Explain how you could arrive at this fact by using the laws of exponents to simplify b^2 times b^0=b^2 I am so confused Please help me!! Thanks ~aShLeY
asked by aShLeY 
college
Identify internal or external rewards that affect recruitment and retention of quality teachers
asked by brittany gross 
com220
1) In 1905 Einstein interpreted the “photoelectric effect” of light, a phenomenon that cannot be explained by the wave theory of light. (2) When a photon strikes an electron, the resulting action is analogous to the collision of billiard balls. (3) The
asked by Sara 
Precalculus(URGENT)
determine the domain of the function and express in interval notation square root of x9 =y show work
asked by Arielt 
algerbra
4x^2/[(1.5x)(2.02x)^2] = = 2.72 x 10^11 solve for x
asked by josh 
science
What type of organism makes restriction enzymes? How did restriction enzymes evolve? How do scientists use restriction enzymes? If you digest an entire human genome with a restriction enzyme you get a blurry smear in the lane of the gel. Why? I have a quiz
asked by Emily 
To: Drwls
can you please check my previous science post, thanks
asked by Sara 
ALBERGA
Find the value of y 3x2y=6,x=2+3y
asked by lauren 
Langston Hughes
Explain the use of repetition of the pronoun "I".
asked by Troy 
Math
So Hannah wakes up at 7:56 , Beth wakes up at 7:03. Hannah has breakfast at 8:36 and Beth has Breakfast at 7:50. Problem 1 : How many minutes more did Hannah wake up from Beth. 7:56 7:03 0:53 Problem 2 : Is 8 : 36 to 7 : 56 I'm not understanding!
asked by Ali 
Math
The base of a triangle is 3m longer than the height. Find the base if the area of this triangle is 77m^2.
asked by Chad 
science
Are there any questions on earth that haven't been answered or are to compicated for scientists to get to or understand?
asked by Maya 
SPANISH!!
How would you say (some) green shorts in Spanish?
asked by Happy Face 
Algebra 2
Solve each equation: (x^23)(x^2+3x4)=0 (x+2/3)(x^2+5x+1)=0 x^32x^2+x=0 x^3+3x^25x4=0
asked by Kevin 
trig
findall exact solutions ( in terms of radians) to the equation 2cos(40)radical 3 =0
asked by boll 
Physics
If a bobsled with a total mass of 250kg, reaches the bottom of the hill at a speed of 92mph, how tall was the hill?
asked by Leah 
us history
Was US imperialism overall beneficial?
asked by Michelle 
ScienceUniverse and Stars
It says that I have to develop a concept map about the milky way. What is that? Is it like a web or something? It says that I have to develop it to understand the milky way's structure and composition.
asked by Sara 
MATH101
7. Take a look at the table below and write out an equation for f(x). x 3 2 1 3 4 f(x) 0 3 12 18 21
asked by SEMA HELP!!!!!!! 
MAT101
8. For each of the relationships below, explain whether you think it is best described by a linear function or a nonlinear function. Explain your reasoning thoroughly a. A person's height as a function of the person's age (from age 0 to 100) b. The
asked by SEMA 
Science
if I wanted to test how slope effected the amount of soil deposited by erosion,what are four steps to tests this?
asked by Elijah 
Physics
If a bobsled with a total mass of 250kg, reaches the bottom of the hill at a speed of 92mph, how tall was the hill? I do not understand how to create the formula. I know that 92mph = 134.933 ft per second & that 1 mile = 5280 ft. Would I take the (92)mph x
asked by Leah 
english
english due tommorow. Need Help
asked by Anonymous 
5th grade
explain how you know that in fractions 7 divided by 9 is less than 1
asked by Anonymous 
UW Lacrosse
if you started with 2.154grams of al, how much of product of aluminum oxide would you expect?
asked by Rachel 
Precalculus
let the function g be defined by g(x)=15x if the domain of the function of g is {x3 is less than or equal to x which is less than or equal to 2} what is the smallest value of the range show work please
asked by Arielt 
matrh
what is area
asked by PAVLEEN 
psychology
1) In 1905 Einstein interpreted the “photoelectric effect” of light, a phenomenon that cannot be explained by the wave theory of light. (2) When a photon strikes an electron, the resulting action is analogous to the collision of billiard balls. (3) The
asked by Sara 
english
Rah! Rah! Bah! Bah humbug!How excited I was, it was time for my class to got to the assembly. The announcements went on and asked for all the home economic classes to come down to the assembly. Well I was in my home economics classsewing and so I just
asked by Anonymous 
Precalculus
PLEASE HELP ME WITH THESE QUESTION AS MUCH AS POSSIBLE!! Evaluate without a calculator. Give exact answers: a) log(log(10)) = ? b) square root (log(100))  log(square root(100)) = ? c) log((square root 10^3)(square root 10^5)(square root 10) = ? d)
asked by jh 
pre calc
How do you solve this? (sinx + cosx)^2  1 = sin^2x
asked by jill 
Philosophy
Were any of the PreSocratic philosophers successful in attempting to solve the problem of the One and the Many?
asked by Janice 
US HISTORY
How did the Reformation in Great Britain affect the colonization of the New World? Explain.
asked by janet 
Principle of managment
Imagine that you are Bill Gates, the founder of Microsoft, and that you are constantly engaged in environmental scanning as part of the planning process. Explain briefly how you would go about doing it. Can you keep track of all aspects of the environment?
asked by Robbie 
math
the difference between two numbers is 5 the average of the number is 11 show a organized list to find the number
asked by victoria 
college
crt 205 Week 6 DQ 2 critical thinking text
asked by Anonymous 
2nd grade
Why is it helpful for scientists to know how long animals can live?
asked by Zoe 
Thermodynamics
A 12 cu.ft tank contains hydrogen sulfide gas at 150psia & 80°F after 5 pounds of the gas have been drawn out. Before any gas left the tank the temperature was 70°F. What mass of gas was in the tank originally and what pressure? just to check: R=45.2
asked by Janus 
3rd grade
Why are people fearful & excited about Ellis Island?
asked by Claire 
Word Study
What is the difference between VCV and VCV Different? What are the examples?
asked by Nanako 
Maths
What will be the value of a and b if a^3 + y^5 + 2x^2(y^3+a)+by^3 becomes complete square.
asked by John Mackisom 
math
a man paid $8.50 for a small pump and 8 feet of tubing.he paid 12 times as much for the pump as for each foot of tubing.how much did the pump cost? the tubing?
asked by chris 
algebra
3a + b + 3a +b=
asked by robert 
algebra
state the slope of line given the equation y=2/3x+6
asked by jerry 
math
the ratio of single screen theaters to multiple screen theaters is 1 to 15. if there are 9 single screen theaters, how many multiple screen theaters are there?
asked by Kelly 
english
Rah! Rah! Bah! Bah humbug! How excited I was, it was time for me and my class to go to the assembly. The announcements told all the home economic classes to come down. Our teacher led the way and I slowly wandered off the hallway with some of my friends. I
asked by Anonymous 
English
Can you please answer my last questions. I need them for tomorrow. Thank you very much in advance.
asked by Franco 
science
wow thank you sooooooo much this website has really helped!!!!
asked by Bellaboo 
math
How do I arrange the numbers from 5 to 3 in a 3x3 square with each line adding to be the same
asked by Anonymous 
cummunity helper project
my cummunity helper is a
asked by darren 
question
is kung fu a sport?
asked by josh 
Algebra
trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 60 miles per hour and train b is traveling at 64 miles per hour. train a passes a station at 1:25 pm. if train b passes the same station at 1:55 pm, at what time
asked by Leila 
math
the average of 2 number is 9. list all possible of numbers that will work
asked by victoria 
SPANISH
How would you say (some) green shorts?
asked by Happy Face 
English
Can you check the grammar in the following sentences, please? 1) The most satisfying aspect of her work is that she doesn’t have to sit at a desk all day. 2) Though she has to write reports, she spends most of her time in court. 3) In particular, she has
asked by Franco 
Math
The exhibit hall at the fair is dividid into three sections. Towfifths of the exhibits are in section B of the hall, and another twofifths ain in section C. What fraction of the exhibits are in located in section A? We have multiple choice answers. Thank
asked by RIchard 
Milky Way
I have to make a concept map for the milky way, and I'm wondering if that means jotting down facts about it like a web. I am stumped on this and I need help, I'll greatly appreciate ur help, thanks
asked by Sara 
College English
I need help with making a thesis for a paper on preventing teens from becoming teen parents.
asked by Inez 
Science
what does slope do to the process of erosion?
asked by Elijah 
math
at the town waterworks,2 large pumps and 4 smaller ones delivered 4,800 gallons of water a minute.each of the large pumps delivered 4 times as much water as each small pump.how many gallons per minute did each pump deliver?
asked by chris 
MATH
FIND THE PRODUCT IN LOWEST TERMS 5/7*14/10*15/20*21
asked by Anonymous 
Math
Robert gave onehalf of his marbles to Dean. Then he gave twothirds of the remaining ones to Mark. If he ended up with 10, how many did he have when he stsrted?
asked by CeCe 
Physics
h t t p : / / i m g 7 1 5 . i m a g e s h a c k . u s / i m g 7 1 5 / 2 7 6 9 / c a p t u r e q u . j p g I need help with c. for a. I got v = sqrt(2gR) for b. I got v = sqrt(gR) for c. I'm stuck
asked by Kate 
psychology
A typical act of servant leader should be to: a) work for salary no higher than that of group members. b) expect group members to act like personal servants c) k group members what they want to achieve d)volunteer to do custodial work for the department Is
asked by vedrana 
com/150
week 1 discussion question
asked by Ophelia 
Social Studies
What would shirts be made in other countries and sold in the United States?
asked by Reyanna 
help plz
which word is a synonym of verbiage? a}terse b}wordiness c}curt d}concise
asked by laura 
math
Identify n(S) for the given set S = { 5, 10, 15, 20, 25, 30, . . .}
asked by greg 
Defining Critical Thinking
What is Critical Thinking? How do we use it in everyday life?
asked by Kathy 
math
Find the area of the region enclosed: Y=x3+5x2+3, y=x2+7x +3, X=0,x=3
asked by Saima 
L.A
What did Philip Emeagwali believed in?
asked by Shadow 
4th grade
how do particles react for solids liquids and gasses?
asked by Elijah 
math214
A student read about Volkswagenpacking in the 1960s. She asked about the maximum number of students that might have fit into a Volkswagen. How would you help her estimate an answer in a reasonable way?
asked by alicia 
Writeacher
writeacher you havent told me how my paragraph is. can you please tell me fast. i almost have to sleep. im sorry if im being so impatient but i need that paragraph revised quick
asked by Anonymous 
Latin
Can you translate the story below to Latin please? Khloe and Kaylani Khloe sees Kaylani. Khloe yells: Hey!! Kaylani turns around and yells: Yo!! Khloe runs to Kaylani. Kaylani reaches out for a hug. Kaylani and Khloe walk across the street. They’re going
asked by Sunny 
world history
WHY SPAIN BUILD MISSIONS IN THE BORDER LAND OF NEW SPAIN
asked by NAKYA 
science
how does water change state?
asked by Cameron 
math
in a balloon race,the sum of the distances covered by two of the balloons was 1,025 miles.if the distance covered by the first balloon was 50 miles more than 1/2 of that covered by the second balloon,how far did each travel?
asked by chris 
algebra 2
write a polynomial function with the given zeros, 2,0, radical 3
asked by john 
Calculus
Find the derivative of the function: y=(3x^2+5) ln(x+6)
asked by Jessica 
science
what happens during a pull action ina heart
asked by so cool!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 
English
what's the question for a sentence of now i have twice as many?
asked by Glamma 
4th grade
4/5682
asked by emily 
social studies
what would a clear definition of a presidential democratic governmental system?
asked by sean 
social studies
what year was the first alaskan sent to congress?
asked by shaniqua goldsmith 
Algebra 2
how do i do: log(base10)(c^21)2 = log(base10)(c+1)
asked by Ana 
suellenmas
forcings attributed slow uncertain stories evaporation though
asked by suellenmas 
math
x=yz
asked by prentice