# If the relative atomic mass of CH2O is calculated it's empirical formula (C=12,H=1,O=16)

46,086 questions, page 219-
## Satistics

**I don't want the answer, I want to know how to set the problem up and the formula that I need to use. I am online with a tutor right now, and they can't help me. :-( The average price of a gallon of unleaded regular gasoline was reported to be $2.34 in

*asked by Shannon on February 12, 2012* -
## physics

Three boxes are connected by cords, one of which (mA) wraps over a pulley having negligible friction on its axle and negligible mass and two boxes (mB & mC) are hanging. The masses are mA = 22.0 kg, mB = 40.0 kg, mC = 16.0 kg. -When the assembly is

*asked by **chocolatekisses on February 8, 2007* -
## trigonometry HELP pleasE!

these must be written as a single trig expression, in the form sin ax or cos bx. a)2 sin 4x cos4x b)2 cos^2 3x-1 c)1-2 sin^2 4x I need to learn this!! if you can show me the steps and solve it so I can learn I'd be grateful!!! 1) apply the formula for sin

*asked by jim on November 1, 2006* -
## English

These are the very last sentences of the day. Thank you very much for your help. 1) I know I'll miss working with you. She is going to change job. 2) She suggested going to the cinema rather than to the theatre. Do you remember seeing that man before? 3)

*asked by Mike on March 28, 2011* -
## physics

A short box with a large flat base is made of iron. The box has mass mI = 890 kg and specific heat cI = 450 J/kg◦C. The box is filled with water. The water has mass mW = 1220 kg and specific heat cW = 4180 J/kg◦C. The box and water are initially at

*asked by Jason on March 14, 2012* -
## Math

You have a balance of $7500 on your credit card and you make no further charges. If your APR is 12.5% and each month you make only the minimum payment of 5% of your balance, then find a formula for the balance after t monthly payments. A) 7500(0.959896) t

*asked by matt on January 30, 2016* -
## Finance

You have a balance of $7500 on your credit card and you make no further charges. If your APR is 12.5% and each month you make only the minimum payment of 5% of your balance, then find a formula for the balance after t monthly payments. A) 7500(0.959896) t

*asked by Math on June 28, 2015* -
## Math, Geometry and Physics

An enemy ship is on the east side of a mountainous island. The enemy ship can maneuver to within 2500 meters of the 1800 meter high mountain peak and can shoot projectiles with an initial speed of 250m/sec. If western shoreline is horizontally 300 meters

*asked by Bob on January 16, 2007* -
## physics

One particle has a mass of 3.00*10-3 kg and a charge of +7.60 µC. A second particle has a mass of 6.00*10-3 kg and the same charge. The two particles are initially held in place and then released. The particles fly apart, and when the separation between

*asked by Ann on February 3, 2007* -
## sociology

• Review the following scenario: You work for a formal organization in the United States that has an open, flexible organizational structure as described in Figure 5-5 on p. 126 of Society. You have a relative, Micah, who works for a formal organization

*asked by Anonymous on December 7, 2009* -
## physics

Two tiny spheres have the same mass and carry charges of the same magnitude. The mass of each sphere is 3.30 10-6 kg. The gravitational force that each sphere exerts on the other is balanced by the electric force. (a) What algebraic signs can the charges

*asked by ashley on September 2, 2009* -
## Chemistry

If 10.0g of CaCl2 and 10.0g of NaCl are dissolved in 100.0mL of solution, what is the concentration of chloride ions? I found the molar mass of CaCl2 is 111.0g/mol; the molar mass of NaCl is 58.44g/mol. I divided 10g CaCl2/111.0g CaCl2 I divided 10g

*asked by Casey on July 12, 2010* -
## math

When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -5t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in meters/sec and “k” is the initial height

*asked by Anne on June 15, 2010* -
## Chemistry

Pre-Lab Questions Data: [mass of copper wire] 0.738 g [standard solutions] solution 1: 0.738 g of copper wire dissolved in 50.00 mL solution solution 2: 1:2 dilution of solution 1 solution 3: 1:4 dilution of solution 1 [absorbance data at lambda(max)]

*asked by Jake on March 16, 2009* -
## physics

A person bends over, and lifts an object of mass m = 28.5 kg while keeping the back parallel with the floor. The muscle that attaches 2/3 of the way up the spine maintains the position of the back. This muscle is called the back muscle or latissimus dorsi

*asked by rose on November 11, 2010* -
## physics

Two children, each with mass m = 11.0 kg, sit on opposite ends of a narrow board with length L = 4.5 m, width W = 0.30 m, and mass M = 9.4 kg. The board is pivoted at its center and is free to rotate in a horizontal circle without friction. What is the

*asked by Katie on March 16, 2012* -
## Chemistry

1. Ethanol and methyl ether have the same elements in same proportions. What is the difference between these two compounds? My guess: Ethanol has a hydroxyl group which is different from methyl ether as methyl ether contains an oxygen atom bonded to two

*asked by anonymous on May 9, 2009* -
## Chemistry

a). What mass of carbon dioxide is produced from the complete combustion of 2.30×10−3g of methane? b)What mass of carbon dioxide is produced from the complete combustion of 2.30×10−3 g of methane? Can someone step me through this?

*asked by Holly J on September 21, 2010* -
## Physics

A stone mass M thrown straight up with initial velocity V reaches a height H. A second stone of mass 2M, thrown straight up with an initial velocity 2V. What will be its height?

*asked by Joyce on December 30, 2015* -
## *Repost* (sorry!) Health & PE HELP ASAP PLEASE!!!!

1. A long term health benefit of regular physical activity is improved A. coordination B. reaction time C. ability to fight heart disease***** D. speed 2. Ginger and Kelly go to the same middle school in their town. Ginger rides her bike daily to and from

*asked by zumai on June 2, 2014* -
## Finance

You have a balance of $12,000 for your tuition on your credit card and you make no further charges. If your APR is 16.7% and each month you make only the minimum payment of 2% of your balance, then find a formula for the balance after t monthly payments.

*asked by Math on June 28, 2015* -
## Physics Urgent!!!!! I really need help with this

Sorry to repost this, again, but I still don't understand. Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G can be

*asked by Abi on May 2, 2011* -
## Physics

A 1 g grasshopper and a 0.1 g cricket leap vertically into the air with the same initial speed in the absence of air which of the following statements must be true? (more than one statement may be true) A) the grasshopper goes 10 times as high as the

*asked by Adam on October 25, 2009* -
## physics

A 1.00 g grasshopper and a 0.100 g cricket leap vertically into the air with the same initial speed in the absence of air drag. Which of the following statements must be true? (More than one statement may be true.) A. The grasshopper goes 10 times as high

*asked by andrea on February 22, 2011* -
## Chemistry

Hydrogen iodine is a strong acid that is used in chemical synthesis to produce some common drugs as well as a source for iodine, I2. Data for the formation of hydrogen iodine was obtained as shown. The reaction was found to be first order with respect to

*asked by Christian on May 19, 2007* -
## gce further mathematics

The roots of the equation x^4 - 3x^2 + 5x - 2 = 0 are a, b, c, d. By the relation y=x^2, or otherwise, show that a^2, b^2, c^2, d^2 are the roots of the equation y^4 - 6y^3 + 5y^2 - 13y + 4 = 0. Let y = x^2 and substitute that into the x polynomial. y^2 -

*asked by lee on September 11, 2006* -
## Physics

An object has a initial velocity of 10 m/s in the positive x direction. Under a constant acceleration it stops after undergoing a displacement of 148.3 m in the positive x direction. Because it is still under the same acceleration it then travels back in

*asked by Sammy on September 4, 2014* -
## Physics

An object has a initial velocity of 10 m/s in the positive x direction. Under a constant acceleration it stops after undergoing a displacement of 148.3 m in the positive x direction. Because it is still under the same acceleration it then travels back in

*asked by Samantha on September 3, 2014* -
## Physics

VERTICAL SPRING A spring of negligible mass, spring constant k = 89 N/m, and natural length l = 1.4 m is hanging vertically. This is shown in the left figure below where the spring is neither stretched nor compressed. In the central figure, a block of mass

*asked by Megan on October 16, 2013* -
## Chemistry

Magnesium metal reacts with hydrochlroic acid according to following reaction: Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2 (g) over interval of 10.00s, the mass of Mg changes by -0.22g. What is the corresponding rate of consumption of HCl (in Mol/s) ? So what i

*asked by Rez on June 14, 2015* -
## Physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.9 kg and an initial velocity of = 8.82 m/s, due east. Object B,

*asked by Tim on November 4, 2012* -
## physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.5 kg and an initial velocity of = 8.50 m/s, due east. Object B,

*asked by Ray on October 10, 2013* -
## MATH 208

There were 18,017 AIDS deaths in 2003, or 34.5% of the 1995 AIDS deaths. Determine the number of AIDS deaths in 1995. What formula who I use to solve this problem?

*asked by Selena on June 23, 2011* -
## Chemistry

30 cubic-centimetre hydrocarbon requires 90 cubic-centimetre of oxygen for complete combustion and 60 cubic-centimetre of carbondioxide is formed .What is the formula of hydrocarbon?

*asked by NItesh Kumar on May 14, 2012* -
## economics

An automobile company, NISSAN, has a temporary cash surplus and lends its funds overnight through a repurchase agreement to a government securities dealer, earning $55,600 in interest income when the RP loan rate stood at 5.70 percent. What was the size of

*asked by Therese on October 29, 2010* -
## math

also, what formula would i have to use for this: Effective Rate An advertisement for E*TRADE bank boasted "We're ahead of banks that had a 160-yr start," with an APY (or effective rate) of 2.01%.* The actual rate was not stated. Given that interest was

*asked by student on June 19, 2007* -
## algebra

Solve the equation x2 + 8x – 2 = 0 using both a. The quadratic formula b. Completing the square Write a paragraph or two comparing and contrasting the two methods. Explain which method you prefer and why. c) Use the accompanying graph to estimate the

*asked by carolyn on January 3, 2011* -
## Biology

The following chemicals have the indicated formula weight Surcose = 342.3g; Potassium dihydrogen=136.09; and Tris=121.14 Also the following solution already made: 20%SDS, 5M NaCl, 500mM EDTA. You have a 40% glycerol solution, and 10X TBE. List the step to

*asked by Robert on August 27, 2008* -
## Organic chemistry

Help with prediction products of a reaction! 4-phenylbutanoyl chloride + AlCl3 --> ? the molecular formula of the product is C10H10O, and I need to determine the product. I was thinking an acylium ion would form, and then the carbonyl carbon would form a

*asked by anonymous on April 27, 2015* -
## Physics

An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch

*asked by Jacob on March 12, 2016* -
## Physics

An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch

*asked by Kyle on November 19, 2012* -
## Physics

A sphere of radius 20 cm and mass 1.2 kg rolls without slipping down a 30 degree incline that is 10 m long. a) Calculare the translational and rotational speeds of the sphere when it reaches the bottom. Assume it starts from rest, and first solve for each

*asked by Alley on April 20, 2010* -
## CHEM

the nuclide 232 Th 90 is radioactive. when one of the atoms decays, a series of alpha and beta particle emission occurs, taking the atom through many transformations to end up as an atom of 208 Pb 82. How many alpha particles are emitted in converting 232

*asked by Gabe on March 4, 2008* -
## Physics

A hot-air balloon has a total mass of 720 kg. It accelerates downwards (towards the ground) at 2.7m/s^2 even though an upwards lift force in acting on it. Find a:Find the lift force acting on the balloon B)What must be the total mass that needs to be

*asked by applebottom on October 30, 2010* -
## stats

There are four major political parties in the country Treon. A public research group is interested in finding out whether there is any relationship between the party that is supported by a citizen of Treon and that citizen's socio-economic status. For the

*asked by Gina on October 7, 2010* -
## History

"America's addiction to obsolescence will be responsible for its environmental demise." Can you please suggest a few arguments I can use for this essay? I'm afraid I'm not on the right track. U.S. industries have been on a path of planned obsolescence for

*asked by Anonymous on January 6, 2007* -
## Chemistry

In 1985 benitoite became the California "state gemstone." Found only in a tiny mine near Coalinga, California, it is a silicate of barium and titanium with trace impurities that cause a range of hues from colorless to blue to pink. Its general formula is

*asked by Joe on November 14, 2016* -
## Chemistry

In 1985 benitoite became the California “state gemstone.” Found only in a tiny mine near Coalinga, California, it is a silicate of barium and titanium with trace impurities that cause a range of hues from colorless to blue to pink. Its general formula

*asked by Anonymous on June 23, 2016* -
## math

A tourist starts to walk up a mountain path that is 31 miles long at the rate of 4 miles per hour. After walking for a while, he gets tired and decides to get a taxi. The taxi gets him to the top travelling at a constant speed of 50 mph. If the tourist

*asked by Anonymous on April 8, 2016* -
## Physics

1. The efficiency of a squeaky pulley system is 73 percent. The pulleys are used to raise a mass to a certain height. What force is exerted on the machine if a rope is pulled 18.0 m in order to raise a 58 kg mass a height of 3.0 m? So to find the force

*asked by Anonymous on January 13, 2007* -
## Physics

If you've ever watched sailing, you will sometimes see a sailor hanging off the side of the boat, for example in this shot from the movie "The Thomas Crown Affair." Eventually, of course, the sailboat tips over so far that a person cannot keep it balanced.

*asked by Bob on April 22, 2013* -
## Physics :(( help please TT

If you've ever watched sailing, you will sometimes see a sailor hanging off the side of the boat, for example in this shot from the movie "The Thomas Crown Affair." Eventually, of course, the sailboat tips over so far that a person cannot keep it balanced.

*asked by OIan on April 23, 2013* -
## Physics

A dragster and driver together have mass 900.7 kg. The dragster, starting from rest, attains a speed of 25.7 m/s in 0.54 s. 1. Find the average acceleration of the dragster during this time interval. Answer in units of m/s^2. 2. What is the size of the

*asked by Suaad on February 21, 2014* -
## Geography

1. Demographers report the population density of a country as a measure of total population relative to land size. TRUE FALSE Answer : true 2. Which of the following is not an example of adequate physiological population density? A. Cities such as Luxor,

*asked by Geo on October 30, 2015* -
## physics (check my answers)

When the nuclear fuel in the sun is gone, the sun will collapse to a a. black hole b. white dwarf c. supernova d. neutron star My answer: I think its a black hole. If the mass of the Earth were suddenly doubled while the radius was unchanged, your weight

*asked by Jacob on February 17, 2007* -
## Chemistry

Consider a solution containing 4.35 mM of an analyte, X, and 1.09 mM of a standard, S. Upon chromatographic separation of the solution peak areas for X and S are 3251 and 10075, respectively. Determine the response factor for X relative to S. F=? To

*asked by ScienceGeek on June 7, 2013* -
## Physics (please check)

A 6.0kg block is released from rest 80m above the ground. When it has fallen 60m its kinetic energy is: I got 1200J as my answer mgh=(6.0*9.81* 60m)=3531.6 PE + KE= (ME + KE) 3531.6 + KE= (6.0*9.81*80m) KE= 1177.2 is that right A 6.0 Kg block is thrown up

*asked by susane on November 5, 2006* -
## Finance

Assume that you have a balance of $5000 on your Visa credit card and that you make no more charges. If your APR is 22% and each month you make only the minimum payment of 3% of your balance, then find a formula for the balance after t monthly payments. A.

*asked by Math on June 28, 2015* -
## Algebra

Using the formula: w=Cr^-2 where C is a constant, and r is the distance that the object is from the center of Earth. W is the weight. 1- Suppose an object is 100lbs when it is at sea level. Find the Value of C that makes the equation true. Sea level is

*asked by Teri on May 21, 2010* -
## Math

In the formula d = rt, the time t varies inversely with the rate r. A student running at 5 miles per hour runs one lap around the school campus in 8 minutes. If a second student takes 10 minutes to run one lap around the school, how fast is she running?

*asked by PLEASE HELP I NEED ANSWERS NOW on February 19, 2015* -
## Math

The Kelvin scale is an absolute temperature scale threat can be used to calculate percent change in temperatures.The formula to convert Celsius to Kelvin is K=C+ 273.15.What is the percent change if the temperature rises from 21*C to 29*C?Round to the

*asked by lilbrandon1007 on November 26, 2016* -
## Math

Can someone explain what to do for the following question. What percentage of a normal distribution is greater than the mean? Give your answer correct to the nearest percent. What formula is used? Because I have to find also 1 standard deviation of the

*asked by Sue on May 22, 2013* -
## math

Using the formula, compute the true annual interest rate. Loan amount = $9,500 Monthly payments = $227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth

*asked by wilton on May 2, 2014* -
## Chemistry

I need to find heat of vaporization. The liquid starts to vaporize at 110 degrees C and there is 10 g of the liquid. I don't think it matters but it is heated at 60 kj/minute. Would it just be amount multiplied by the temp when it starts to vaporize? I

*asked by jp on February 19, 2010* -
## Chemistry

What are the charges of the ions in an ionic compound containing iron(III) and fluoride ions? a)iron(III)- i got 3+ b) flouride- im not sure on this one c)Write the formula for the compound. (Type your answer using the format CO2 for CO2.) - Fe3F2... i rly

*asked by Hannah on October 14, 2010* -
## Math

In the formula d = rt, the time t varies inversely with the rate r. A student running at 5 miles per hour runs one lap around the school campus in 8 minutes. If a second student takes 10 minutes to run one lap around the school, how fast is she running?

*asked by Brooke on February 19, 2015* -
## Math

1. Find the sum of the first 21 terms of the arithmetic sequence given by the formula an = n+5 I see that I have to plug in numbers and get the terms...but i'm sure there's a shorter way to do this instead of plugging in 21 numbers. 2. The following

*asked by mysterychicken on June 7, 2013* -
## chemistry

The reaction of aqueous cobalt(II) iodide and aqueous lead(II) nitrate is represented by the balanced formula equation. CoI2(aq) + Pb(NO3)2(aq) → PbI2(s) + Co(NO3)2(aq) Give the balanced ionic equation for the reaction. Include the states.

*asked by bubble on January 20, 2010* -
## Physics

Two lenses are in contact. One of the lenses has a focal length of +10.0cm when used alone. When the two are in combination, an object 20cm away from the lenses forms a real image 40cm away from the lenses. What is the focal length? I am not sure how to

*asked by Jul on April 2, 2013* -
## math

in the formula d=rt the time t varies inversely with the rate r. a student running at 5 mph runs one lap around the school campus in 8 ninutes. if a second student takes 10 minutes to run one lap around the school campus, how fast is she running?

*asked by Michelle on February 28, 2012* -
## phys

The proper length of one spaceship is 5 times that of another. The two spaceships are travelling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to be the same length. If the slower spaceship is

*asked by slien on October 10, 2006* -
## Precalculus

Suppose you deposit $10,000 into an account earning 3.5% interest compounded quarterly. After n quarters the balance in the account is given by the formula: 10000(1+0.035/4)^n a) Each quarter can be viewed as a term of a sequence. List the first 5 terms.

*asked by bob on February 6, 2018* -
## Science Chemistry

The elementary analysis of 22 g hydrocarbon sample results in 18 g C and 4 g H. a) Choose the correct chemical formula of the hydrocarbon: i) CH4 ii) C2H4 iii) C3H8 b) What is the amount of CO2 in grams formed by the total combustion of hydrocarbon? Assume

*asked by karem on December 22, 2016* -
## physics

a metal tank with a volume of 3.10 L will burst if the absolute pressure of the gas exceeds 100 atm. If 11 mol of an ideal gas is put into the tank at a temperature of 23.0 C, to what temperature can the gas be warmed before the tank ruptures? Neglect the

*asked by sarah on November 19, 2009* -
## calculus

I am trying to find equation of the tangent line to the curve 2/(1-3x) at x=0 using the definition. I applied it into the formula lim h->0 [f(a+h) - f(a)]/h which gave me [2/(1-3x+h) - 2/(1-3x)]/h I took the conjugate and came with [4/(1-3x+h)^2 -

*asked by Daniel on October 1, 2011* -
## stat

Assume that the population of heights of female college students is approximately normally distributed with mean m of 67.26 inches and standard deviation s of 5.96 inches. A random sample of 78 heights is obtained. Show all work. (A) Find (B) Find the mean

*asked by tina on December 10, 2011* -
## chemistry

Does this equation need to be balanced? AlCO3 => AlO+CO2 Also, how would this equation be balanced? NiCl+O2 => Ni2O3+Cl2O5 Neither equation you have is an equation so they can't be balanced. Do you mean aluminum carbonate. That would have the formula

*asked by Carter on December 14, 2006* -
## prob and stats

11. Assume that the population of heights of male college students is approximately normally distributed with mean m of 72.15 inches and standard deviation s of 6.39 inches. A random sample of 96 heights is obtained. Show all work. (A) Find (B) Find the

*asked by Anonymous on October 24, 2012* -
## Physics

The following circuits represent a logarithm amplifier The output voltage for a log amp with a diode can be determined by the formula below Vout = -(.025V)ln(Vin/IR*R1) , the ln is the natural logarithm of a number. Calculate in a table and sketch the

*asked by Megameno on October 5, 2015* -
## Chemistry - Answer Check

Gaseous hydrogen and iodine are placed in a closed container at 425 degrees Celsius. The reactants react to produce the gaseous compound hydrogen iodide, which partially decomposes back into hydrogen and iodine gas as shown below. H2 (g) + I2 (g) 2HI (g)

*asked by Anonymous on May 17, 2016* -
## chemistry

Trimellitic acid containing carbon, hydrogen, and oxygen has 51.44% C, 2.88% H, and 45.68% O. It can be obtained by oxidation of coal with nitric acid. A 2.416-g sample of this compound was dissolved in 40.00 g of acetone, producing a solution that boils

*asked by David on April 14, 2010* -
## algebra

im trying to help my son i have no ida about this stuff any help would be great When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v”

*asked by joni on January 12, 2010* -
## chemistry

I have been having a problem with solving a chemistry problem. The problem requires finding the density in copper at 1305K (the temperature changes when you reset the problem). I think I am using the proper formula, (N_v/N_s=Ae^-changeH_v/kT). My results

*asked by Al on November 17, 2013* -
## chemistry

I have been having a problem with solving a chemistry problem. The problem requires finding the density in copper at 1305K (the temperature changes when you reset the problem). I think I am using the proper formula, (N_v/N_s=Ae^-changeH_v/kT). My results

*asked by Al on November 17, 2013* -
## Pre-Algebra

A 5-foot parking meter has a 4-foot shadow from a nearby streetlight. The streetlight is 15 feet tall. How far is the streetlight from the parking meter? Don't want answer, just want formula for figuring out

*asked by Lorri on February 15, 2015* -
## chemistry

When compound A is heated with acid compound B forms. Ahas the formula C3H8O and B is C3H6. When Ais oxidized compound D forms that is further oxidized to carboxylic acid. What are compounds A, B, and C.

*asked by Nancy on December 17, 2012* -
## Pre-Cal

1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so I do not know how to find the next numbers. 2) Find the nth term of the geometric sequence. a2 = 3 a5 = 3/64 n=1 I know the

*asked by Abbey on April 4, 2010* -
## Chemistry

if a student finds the molecular weight of an unknown liquid to be 115 g/mole and the molecular formula of the liquid is CHCl3, what is the percent error in the student's molecular weight?

*asked by Gabby on December 10, 2012* -
## Math

The area A of a triangle is given by the formula A=1/2bh If the base of the triangle with height 12 inches is doubled, its area will be increased by 48 square inches. Find the base of the orignial triangle.

*asked by Colin on February 10, 2010* -
## chemistry

need formula to this. Carbon monoxide reacts with oxygen to produce carbon dioxide. If 3.0 Liters of carbon monoxide at STP, how many liters of oxygen are required to run the reaction

*asked by bill on April 16, 2012* -
## math,correction

the problem states. find the slope of any line perpendicular to the line through points (3,3) and (2,8). so did the formula m= (y2-y1)/(x2-x1) and from it i got -5 so the slope is -5 and anyline perpendicular to this sloe would be positive 5 is that

*asked by Jasmine20 on January 26, 2007* -
## PRE-CALC

Determine the name of the following triangle using the given points: A(5,6), B(-1,-2) and C(-3,2). Be as specific as possible. I used the distance formula and found that AB had a side of 10 BC had a side of 2 sqrt 5 CA had a side of 4 Sqrt 5 I found that

*asked by MUFFY on September 20, 2009* -
## math

Helping my son with %. I can't remember how. Here is the question. The baseball team has played 35 games so far this season. Of those games, they've won 21. What percent of the games played has the team won? Can someone help me with the formula

*asked by shannon on March 31, 2008* -
## Math

Tickets are drawn to determine first prize money is s100, 000. Each succeeding prize paid 60% as much as the ticket before it. What was the prize money for the 6th ticket drawn? Use the appropriate formula.

*asked by Clary F. on June 20, 2017* -
## Pre-Cal(Please help)

1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so I do not know how to find the next numbers. 2) Find the nth term of the geometric sequence. a2 = 3 a5 = 3/64 n=1 I know the

*asked by Abbey on April 4, 2010* -
## Algebra 1

using a constant rate, you can saw a log into 3 pieces in 12 minutes. At the sam constant rate, how long will it take you to cut a siliar log (if the same size) into 6 pieces? would you do a rate formula or what? I'm really stuck on this one!

*asked by Libby on May 20, 2008* -
## math

The area of a circle is given by the formula A = ðr2, where r is the radius. If increasing the radius of a circle by 1 inch gives the resulting circle an area of 100ð square inches, what is the radius of the original circle?

*asked by Anna on March 26, 2015* -
## Math Help

Consider the quadratic equation (a) Solve the equation using the quadratic formula, expressing your answer in terms of k. (b) What condition on k will assure that the equation has exactly one solution? (c) What condition on k will assure that there are two

*asked by Tony on April 28, 2014* -
## Calc

if the velocity can be expressed as v(t)=1-∛t what is the acceleration function. so i started by bringing in acceleration formula a=v1-vo/t1-to took my velocity function and found the derivative. v=-1/3t^2/3 have i started it correct so far and where do

*asked by Kieran on August 29, 2012* -
## Math

The area A of a triangle is given by the formula A=1/2bh If the base of the triangle with height 12 inches is doubled, its area will be increased by 48 square inches. Find the base of the orignial triangle.

*asked by Colin on February 10, 2010*

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