# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

92,096 questions, page 138-
## ART ONLY ONE QUESTION PLZ HELP!!!!!!!!!!!!!!!!!!!!

what is the best definition for the term visual composition a. a beautiful arrangement b. the placement of visual elements in a work of art c.the creation of symbols in a work of art ******* d. a visually dynamic work of art

*asked by Bad Blood on February 3, 2016* -
## math:solving for an exponent.

I can't get the right answer, where am I going wrong? 7.0x10^9= (6.7x10^9)(2.72^r*3) 1.04 = 2.72^r*3 When I solve for this, I get ln (1.40) = 0.03922 then 0.03922 / 3 = 0.0130 So my r equals 0.0130 BUT the teacher says the answer is 0.05 = r *3 0.02 = r

*asked by Sar on October 4, 2011* -
## calculus

We were asked to solve the problem 1/x < 4. I solved it like so: 1

*asked by Kelly on August 31, 2007* -
## chemistry help

A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The initial buret reading is 0.23 mL. The phenolphthalein indicator turns the solution light pink when the buret reads 29.58 mL. B. How many moles of NaOH were

*asked by jk on April 1, 2015* -
## physics

An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the

*asked by Annette on April 29, 2013* -
## physics

An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the

*asked by Annette on April 29, 2013* -
## physics

An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the

*asked by Annette on April 29, 2013* -
## Accounting

Units completed 6000 Units in EWIP 2400 Equivalent units 8400 April cost BWIP(40% complete) 1,120 Materials 10,000 convention cost 4,000 total 15,120 1.) calculate the unit cost for april using the Weighted Average Method 2.) Using the Weighted Average

*asked by Alexis on July 22, 2009* -
## geometrey

the base of an isosceles triangle is 5m less than 4 times the length of a side. The perimeter is 67m. Find the length of each side and the base. My answers for the equal side lengths are 24 and the base is 19. What is the proper way to show work since i

*asked by ?? on September 14, 2016* -
## math

Please show me how to solve: At the local ballpark, the team charges $5 for each ticket and expects to make $1,300 in concessions. The team must pay its players $1,800 and pay all other workers $1,500. Each fan gets a free bat that costs the team $3 per

*asked by Jane on December 29, 2011* -
## Physics

write out the equation please show the steps taken to solve the problem A small airplane flies at a velocity of 145 km/h toward the south as observed by a person on the ground. the airplane pilot measures an air velocity of 172 km/h south. What is the

*asked by y912f on February 4, 2009* -
## Geometry

Discuss the differences between a coordinate geometry proof and a proof method that does not require coordinate geometry. When would it be appropriate to use a coordinate proof rather than another proof method?

*asked by Unknown on February 5, 2017* -
## Algebra-Please help me!

Hi, I'm totally stuck! Problem: sqrt(x-3) = sqrt (2) -sqrt(x) I know I square them to get them out of square roots but after that I'm stuck- answers: -25/8 25/8 no solution 1/8 Please show me how its done Thank you

*asked by Michelle on October 12, 2010* -
## chemistry

The pKa for hydrochloric acid is −6.0. What is the concentration of HCl(aq) we would expect to find in a 1 M solution of hydrochloric acid? What pH would we expect? how do you solve this problem?

*asked by Jin on July 6, 2010* -
## ALGEBRA

Alewuya needs to mix a 20% acid solution with a 40% acid solution to create 100 millileters of a 24% solution. How many millileters of each solution must Alewuya use?

*asked by AMBER on September 11, 2016* -
## MATH!!!! PLEASE HELP

Monico needs to mix a 40% ethanol solution with a 60% ethanol solution to create 100 millileters of a 54% solution. How many millileters of each solution must Monico use?

*asked by Anonymous on October 30, 2012* -
## algebra

Dilbert needs to mix a 10% alcohol solution with a 30% alcohol solution to create 100 millileters of a 16% solution. How many millileters of each solution must Dilbert use?

*asked by cole on December 19, 2014* -
## math

you need to prepare 5ml NaCl solution . you already have a stock solution of 10% NaCl that you are asked to use . how many ul NaCl solution would you need to make 5ml of a 2% NaCl solution?

*asked by eric on September 2, 2013* -
## math please help

Joy needs to mix a 20% glucose solution with a 60% glucose solution to create 200 millileters of a 50% solution. How many millileters of each solution must Joy use?

*asked by Anonymous on October 25, 2012* -
## Math

The quadratic function f(x) = x^2 is transformed to g(x) = -2/3(x+3)^2 + 6 The point (6,36) on the graph of f is transformed to which point on the graph of g? Could someone please show me how to solve this:\

*asked by -Untamed- on December 7, 2011* -
## alg.2

Solve for x... square root x+16=2+square root x+4. I tried doing this problem and got 7/3. and i know that is really wrong. can anyone please show me the steps to doing this problem. thanks:)

*asked by Miley on April 1, 2008* -
## Improving Your Writing

Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial

*asked by SASSY on February 24, 2010* -
## math

In new Your a taxi costs 72 cents for the first 1/10th of a mile and 15 cents for every additional 1/10th mile. How much does it cost to drive 6 miles? Set up and solve? I do not understand how you got this answer...can you explain? .72+ .15(6-.1).1 =

*asked by ava on February 27, 2014* -
## Chemistry

A solution of I2 was standardized with ascorbic acid. Using a .1000 g sample of pure ascorbic acid, 25.32 mL of I2 were required to reach the starch end point. A. What is the molarity of the iodine solution? B. What is the titer of the iodine solution?

*asked by Candy on November 10, 2010* -
## Chemistry

If your solution’s final volume of 32.55 mL yields 3.6 grams of AgCl, determine the Molarity of the final solution. Also, how many milliliters of a 1.85 M solution of AgNO3 did you add to an excess of aqueous NaCl to provide the 3.6 grams of AgCl?

*asked by Shoba on March 26, 2013* -
## Chemistry

During a titration experiment, a 150.0 mL solution of 0.05 M sulfuric acid (H2SO4) is neutralized by 300.0 mL solution with an unknown concentration of sodium hydroxide (NaOH). What is the concentration of the sodium hydroxide solution? The answer I got

*asked by Summer on March 24, 2018* -
## chemistry

Determine the mole fraction of lithium bromate in a 6.32 M aqueous solution of lithium bromate. The density of the solution is 1.16 g mL-1. I understand that 6.32 M of solution= mols of the compound. I multiplied 1000mL by the density to get grams. I don't

*asked by everest on November 15, 2016* -
## Chemistry

How does changing the volume of strontium nitrate solution, added to 8 cm3 of sodium carbonate solution, affect the amount of precipitate formed? Is it the more the strontium nitrate solution is increased, the more precipate formed?

*asked by Ariana on April 21, 2016* -
## Chemistry

A solution of I2 was standardized with ascorbic acid. Using a .1000 g sample of pure ascorbic acid, 25.32 mL of I2 were required to reach the starch end point. A. What is the molarity of the iodine solution? B. What is the titer of the iodine solution?

*asked by Candy on November 10, 2010* -
## Chem.

Can you also check this one, Please and thank-you! 23. Acetylsalicylic acid, commonly known as ASA, is the most widely used drug in the world. ASA has the chemical formula, C8H7O2COOH, and a Ka of 3.27 X 10 – 4 mol/L. What is the pH of a 10 mol/L ASA

*asked by Jacy on July 19, 2006* -
## Chemistry - help please

In an experiment, when 25 mL of 5.5 x 10^-3 M NaOH is mixed with 30 mL of 7.5 x 10^-3 M Fe(Br)2, a hydroxide compound is formed (Ksp = 1.8 x 10^15). Which of the following describes the resulting solution? a. The product is unsaturated b. The mixture

*asked by Eren on October 15, 2013* -
## chemistry

A. What is the mass of Solution 3? in g B. What is the density of Solution 2? g/ml solution 1: Mass Empty Flask (g):42.252 Mass NaCl (g):0.911 Volume Water (mL):100 Mass of Flask + Solution (g):43.107 solution 2: MEF: 45.778 mass nacl:0.897 volume water:

*asked by eng on January 8, 2010* -
## Psychology

The neurobiologist explained to the students, "The neural system is very much like the wires connecting your TV and stereo to the electrical outlet. If the wires were not covered with insulation, the signal would short circuit." The neurobiologist was

*asked by Kasey on November 6, 2011* -
## Chemistry

A buffer containing 1.2169 M of acid, HA, and 0.1431 M of its conjugate base, A-, has a pH of 3.96. What is the pH after 0.0017 mol NaOH is added to 0.5000 L of this solution? I can't figure this out for the life of me, i'm sure its just some simple

*asked by Rafael on April 2, 2007* -
## English

Writeacher, thank you very much for giving me advice. Can you please tell me if my sentences are possible? 1) "What about making pizza for dinner”,he said. He suggested making pizza for dinner. 2) “OK. It was me who broke the vase”, she said. She

*asked by Matthew on March 31, 2012* -
## Science

For my science class I have to make a machine that attempts to convert heat energy into work. I'm not really sure how to do this, but I do have some ideas, however I'm not all the way there. If you told me your opinion of my ideas or if you gave me one of

*asked by Lynn on October 15, 2008* -
## accounting

Is there a method of determining if you debit or credit an account? How do you know if you should debit or credit a transaction? If it's a balance sheet accout you need to learn (and mrmorize) which side of the equation i't on, and it's normal balance.

*asked by diana on September 21, 2006* -
## Chemistry

Indicate how each of the following would affect the value of the absorbance (too high, too low, or not effect) of the indicated solution. I really need help. I do not understand these questions! This is from a chemistry activity to determine the unknown

*asked by Sharon on February 28, 2012* -
## Chemistry

PART A) Suppose that 6.9 mL of 2.5 M KOH(aq) is transferred to a 250 mL volumetric flask and diluted to the mark. It was found that 32.8 mL of this diluted solution was needed to reach the stoichiometric point in a titration of 6.9 mL of a phosphoric acid

*asked by Alice on November 28, 2017* -
## Mass Transfer

Solution of methanol and ethanol are substantially ideal. (a) Compute the vapour-liquid equilibria for this system at 1 and at 5 atm abs pressure, and plot xy and txy diagrams at each pressure (b) For each pressure compute relative volatilities , and

*asked by RHS on April 8, 2014* -
## Physics

A uniform 2.20 kg sign of height 0.600 m hangs freely from a frictionless pivot. (Its extension into the page is irrelevant: treat it as a thin uniform rod of ‘length’ 0.600 m, pivoted about one end.) You throw a point-like 0.248 kg snowball at the

*asked by Alphonse on November 14, 2012* -
## CHEM

thank you VERY much for your replies, DrBob. Another question, however: How many moles of ions -both cations and anions- are present in solution when 0.75 mol of potassium chloride is dissolved in 0.25L of distilled water? How do I work this answer to be:

*asked by K on December 12, 2006* -
## Math

Jackie has a babysitting business and works 4 days a week.She works 4 hours on Mondays afternoon , 3 hours on Tuesdays evenings, 5 hours on Fridays ,and 8 hours on Saturdays. She makes $16 an hour. How much money will Jackie have made after 6 weeks? Please

*asked by Gorge on January 14, 2013* -
## statistics

Assume that the population of heights of male college students is approximately normally distributed with mean m of 70.63 inches and standard deviation s of 6.47 inches. A random sample of 88 heights is obtained. Show all work. (A) Find the mean and

*asked by Valerie on November 2, 2010* -
## Algebra

A radio signal travels at 3.00 ⋅ 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 ⋅ 10^7 meters? Show your work. This is my

*asked by Cow on June 12, 2019* -
## Chemistry

Given the following equations, calculate the ΔH of reaction of ethylene gas (C2H4) with fluorine gas to make carbon tetrafluoride (CF4) gas and hydrogen fluoride gas. Show your work. H2 (g) + F2 (g) → 2HF (g) ΔH = –537 kJ C (s) + 2F2 (g) → CF4 (g)

*asked by student on April 18, 2019* -
## Science

a 67 gram chunk of ice (Heat of Fusion = 6.0 kJ/mol) in a beaker immersed in a water bath. To produce just enough heat to melt the ice, how many moles of solid NaOH (Heat of Solution = -445.1 kJ/mol) must be added to this system to just melt the ice.

*asked by Anonymous on January 27, 2014* -
## science chemistry

Brandon prepares a potassium hydroxide solution (KOH) that he uses during a titration to determine the unknown concentration of a hydrochloric acid solution calculate the mass of potassium hydroxide that is need to prepare 250 cm^3 of a standard 0,125

*asked by dennis on June 17, 2015* -
## chem

when an aqueous solution BaCl2 is mixied with an aqueois solution of Na2CO3, solid barium carbonate precipitates out of solution. write molecular equation, complete ionic equattionand net equation. is this the right formula??

*asked by julia on November 14, 2010* -
## chemistry

Use a balanced redox equation to answer the following question. 71.7 mL of 1.13 x 10-4 mol L-1 potassium ferricyanide solution is required to react completely with 43.9 mL of ascorbic acid solution (under acidic conditions). What is the concentration of

*asked by hm on October 17, 2015* -
## Chemistry

Acetic acid (HOAc) is a weak acid with a Ka= 1.8 X 10^-5 and sodium hydroxide (NaOH) is a strong base. What is the pH of a solution made by mixing 75.0 ml of a 0.160 M solution NaOH and 25.0 ml of a 0.640 M solution of HOAc? I got a pH of 5.22, but I am

*asked by Chelsea on May 12, 2009* -
## Chem

Do my answers look correct for these? Thanks Calculate the mass percent of a solution containing 45.6 grams ethanol (C2H6O) in 245 grams of water. 15.7% You are asked to make 500.0 mL of a 4.5M solution of HCl, but the only HCl you have available to dilute

*asked by Matt on December 7, 2009* -
## Honors Chemistry 101

Do my answers look correct for these? Thanks Calculate the mass percent of a solution containing 45.6 grams ethanol (C2H6O) in 245 grams of water. 15.7% You are asked to make 500.0 mL of a 4.5M solution of HCl, but the only HCl you have available to dilute

*asked by Matt on December 7, 2009* -
## Improving your writing

Please help!! Background: Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your

*asked by Shawna on February 2, 2012* -
## IMPROVING YOUR WRITING

Background: Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides

*asked by Shawna on February 1, 2012* -
## Chem 2

1.057 grams of a substance with a molar mass of 385.336 g/mol are dissolved in 249.92. Ther temperature for the system changes from 83.83 to 52.38 degrees C during the mixing. What is the DH(heat of solution) for this process in kJ/mol. Assume that th

*asked by Amanda on February 27, 2008* -
## Physic

The maximum speed of a mass attached to a spring is vmax = 0.438 m/s, while the maximum acceleration is 1.53 m/s2. What is the maximum displacement of the mass? (Answer: 0.125m) Answer is provided above. Please show all work on how to get the answer. Thank

*asked by Anonymous on May 22, 2014* -
## math

The value of an investment A (in dollars) after t years is given by the function A(t) = A0ekt . If it takes 10 years for an investment of $1,000 to triple, how many years will it take for the investment to be $9,000? Simplify your answer completely. I am

*asked by Melissa on March 10, 2017* -
## chemistry

A fictitious element X is composed of 70.0 percent of the isotope X^45, 20.0 percent of the isotope X^ 46, and 10.0 percent of the isotope X^47. Calculate the weighted atomic mass of element X to the nearest tenth. pls show all work

*asked by PLEASE HELP on October 4, 2018* -
## English

Can somebody help me with commans? where do they commas go in these sentences? Or do they need them? 1) I give you homework becuase you need to learn commas. 2)If you fill in the commas you will be happy with your grade. 3) I will be happy as I grade you

*asked by Jen on January 28, 2010* -
## chem

A solution of ethanol (C2H5OH) in water is prepared by dissolving 57.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 240.0 mL of solution. What is the molarity of the ethanol in this solution?

*asked by mel on November 3, 2007* -
## chemistry

A stock solution of 0.0100 M KMnO4 is diluted by taking 15.5 mL of it and diluting it to 100.0 mL. From this diluted solution, 5.00 mL is taken out and diluted to 100.0 mL. What is the concentration of the solution obtained in the end

*asked by carla on March 13, 2012* -
## Chemistry

A solution of ethanol (C2H5OH) in water is prepared by dissolving 61.9 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?

*asked by Andrea on October 27, 2010* -
## college Chemistry

Hydrobromic acid is a strong acid. If you have 1 L of a 7.5 M solution of Hydrbromic acid? A) What is the concentration of H_3O^+? B) What is the PH of this solution? C) If you dilute 1 liter of 7.5M in HBR solution to a volume of 2 L what is the new

*asked by Greg on October 21, 2010* -
## 6th Grade Math

It takes 56 colored beads to make a necklace. The beads are strung in the following order: one blue, two yellow, two green, and one red. Then the pattern repeats, starting again with the one blue bead. If the first bead is blue, what is the color of the

*asked by fko on May 18, 2010* -
## statistics/probability

how many green elements are required to make a legitimate probability distribution if there is a total of 50 elements in this sample? x red blue orange brown green p(x) 0.10 0.10 0.10 0.20 ? * i am not sure but i don't think that any green elements are

*asked by mary- please check calculations. on October 23, 2010* -
## math

taylor baked a cake to serve after dinner. suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. explain how they could have didided the pieces so that everyone ate the same amount of cake. you may show you work in a drawing.

*asked by renan on January 28, 2014* -
## pre calc

The population of a colony of mosquitoes grows exponentially according to the function P(t) = P0ekt 1. If there are 1,000 mosquitoes initially and there are 1800 after 1 day, what is the size of the colony after 3 days? 2. How long will it take the colony

*asked by robert on March 10, 2017* -
## Urgent =Math

17. Tell whether this survey describes a good sample and if so, name the method of sampling used. Every sixth person leaving a restaurant is surveyed to determine their favorite food from the menu. yes, random******** yes, systematic yes, stratified not a

*asked by Monica on May 6, 2016* -
## math

Could you please show me how to work this problem? Each hand in the human body has 27 bones. There are 6 more bones in the fingers than in the wrist. There are 3 fewer bones in the palm than in the wrist. How many bones are in each part of the hand?

*asked by Jane on November 26, 2012* -
## verbal linear equations

a taxi costs $2.75 for the first quarter of a mile and $0.85 for each subsequent quarter mile.A ride that cost $23.15 is how many miles longer than a ride that costs $17.20?(please i don't want example show me how u work it out )

*asked by tanya on February 5, 2012* -
## Algebra 2

The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.

*asked by Victoria on October 16, 2015* -
## math

Yasmin lives 400m from Anton.Kevin lives 0.45km from Anton.Jared lives 40 000mm from Anton.who lives closest to Anton?how do you know?make sure to show your work?

*asked by Jack on February 8, 2016* -
## Algebra 2

The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.

*asked by Victoria on October 8, 2015* -
## math hw

the areas of two rectangles are 15 square inches and 16 square inches. the length and width of both figures are whole numbers. if the rectangles have the same width, what is the greatest possible value for their widths? please show work

*asked by ellis on March 5, 2013* -
## algebra

The value of a certain two-digit number is eight times he sum of its digits. if the digits of the number are reversed the result is 45 less than the original number. find the original number. **please show both equations and work... thanks =)

*asked by Bri on February 28, 2011* -
## math

A credit card had an APR of 23.51% all of last year and compounded interest daily. What was the credit card's effective interest rate(EIR) last year? Show your work.

*asked by sarah on December 1, 2017* -
## Math

At the dance, Lyndi and Josh danced 3/4 hour without stopping. This is 3/4 hour more than Kecia and Les danced. How long did Kecia and Les dane? Show your work.,

*asked by Mike on February 6, 2013* -
## math

1.solve for p 3(p+q)=p A.q=-2/3p B.q=-3/2p C.p=-2/3q D.p=-3/2q 2. solve for b then find the value of b when a=3 4a=2b-7 A.-9/2 B.5/2 C.19/2 D.17 3. solve for r d=rt A.r=dt B.r=t/d C.d/t D.r=d-t 4. find the width of a rectangle with a perimeter of 90 and a

*asked by oto on September 15, 2016* -
## MATH!!

(1)At the begining of her math class, Mrs. Reno gives a warm-up problem. She says, "I am thinking of a number such that 6 is less than the product of 7 and this number is 85." Which number is she thinking of? A-11 B-84 C-13 D-637

*asked by megan on March 11, 2007* -
## Trigonometry

Steve and Peggy want to rent a 40 ft x 20 ft tent for their backyard to host a barbecue. The base of the tent is supported 7 ft above the ground by poles and the roped stakes are used for support. The ropes make a 60 degree angle with the ground. What are

*asked by Liz on January 8, 2012* -
## math

Jamie is 5 years older than Ella. Jamie's age is 11 years less than three times Ella's age. The system below models the relationship between Jamie's age (j) and Ella's age (e): j = e + 5 j = 3e – 11 Which of the following methods is correct to find

*asked by Ira on May 3, 2018* -
## MATH

I'm sure what if this is the right answer that the question is looking for. since my eng. not that good i have hard time understanding. Please help me. Question: write a situation that can be modeled by the following linear system. Explain what each

*asked by may on March 31, 2015* -
## ALGEBRA

Solve the system. $ \left\{ \begin{tabular}{l} $ y = x + {\color{red}-3} $ \\ $ y = -{\color{red}2} x + {\color{red}9} $ \end{tabular} \right. $ x = y =

*asked by Randy on April 25, 2012* -
## ALGEBRA

Solve the system. $ \left\{ \begin{tabular}{l} $ y = x + {\color{red}-2} $ \\ $ y = -{\color{red}3} x + {\color{red}10} $ \end{tabular} \right. $

*asked by Daniel on April 8, 2012* -
## Chemistry

If 0.500 L of a 0.600 M SnSO4 solution is electrolyzed for a period of 30.00 min using a current of 4.60 A and inert electrodes, what is the final concentration of each ion remaining in the solution? (Assume that the volume of the solution does not change)

*asked by Unknown on June 6, 2011* -
## Chemistry

A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16g/mol) in 10.00 mL of NaOH and heating the solution to a gentle boil. After cooling to room temperature, the solution was poured into a 250 ml volumetric flask and diluted to

*asked by Anonymous on February 3, 2008* -
## calculus

find the distance d(P_1 & P_1) between points P_1 and P_2. P_1=(4,-5)and P_2=(3,4) please show work

*asked by anonymous on December 9, 2012* -
## Chemistry

The mass of a sample of boron atoms is 5.60 g. How many boron atoms are in this sample? Show work, and explain.

*asked by Mitch on December 18, 2013* -
## CHEM LAB Help

Weight of the mustard package Sample: 3.02 (g) Weight of the mustard package Solution: 33.3 (g) Trial #1 Trial #2 Trial #3 Weight of Mustard Package Solution Delivered (g) : 1.09 .948 .909 Weight of NaOH Solution Delivered (g) : .354 .304 .269

*asked by Den on October 16, 2012* -
## Math

The average middle-distance runner at a local high school runs the mile in 4.5 minutes, with astandard deviation of 0.3 minute. What is the probability that a runner will run the mile in less than 4 minutes? Possible Answers: A)7%B)3%C)5%D)4% I know it's

*asked by Bailey on April 25, 2018* -
## medical terminology

identify and list 3 of the 12 organ system as well as the organ cantained in these systems within the human body. identify which anatomical region the organ system are located within.

*asked by cookie on August 26, 2012* -
## About the government

How is the government manipulative? What are some major issues that expose the government as a manipulative system? I know the fact that all politicians lie, but that doesn't really do anything about my question. P.S. - What does manipulative system mean?

*asked by Anonymous on November 29, 2007* -
## Chemistry

Given that W = -PatmΔV, if a gas expands into a vacuum, the sign of W is ? 1. Positive: work is being done on the gas 2. Negative: work is being done on the gas 3. Positive: work is being done by the gas 4. Negative: work is being done by the gas 5. ZERO:

*asked by Melodie on June 21, 2016* -
## Math

How do I work this out? Corporate bonds issued by Johnson Corporation currently yield 11%. Municipal bonds of equal risk currently yield 6.5%. At what tax rate would an investor be indifferent between these two bonds? My answer is: 6.5%/1-11%=7.3 (7.3)(1-

*asked by Kie on March 30, 2015* -
## Chemistry

A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnSO4 + 8H2O + K2SO4. It requires 46.0 mL of 0.145 Mol/L KMnO4 to titrate 50.0 mL of the solution

*asked by Brett on July 3, 2014* -
## Chemistry

A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnSO4 + 8H2O + K2SO4. It requires 46.0 mL of 0.145 Mol/L KMnO4 to titrate 50.0 mL of the solution

*asked by Dan on July 3, 2014* -
## chemistry

When an aqueous solution suspected of containing Ba2+ or Pb2+ or both are mixed with sulfuric acid a precipitate forms. in another test, when the original solution is mixed with an aqueous solution of sodium sulfide no precipitate forms. What do these two

*asked by Lili*** on October 16, 2008* -
## Chemistry

A 205 mg sample of a diprotic acid is dissolved in enough water to make 250.0 ml of solution. The pH of this solution is 2.15. A saturated solution of calcium hydroxide (Ksp= 1.3 x 10-6) is prepared by adding excess calcium hydroxide to water and then

*asked by Summer on February 25, 2013* -
## Algebra Word Problem

Peanuts are selling for $2 per pound, and cashews are selling for $5 per pound. How much of each type of nut would be needed to create 20lb. of a mixture that would sell for $2.75 pre puund? Use the variables, p and c, to setup a system of equations.

*asked by pj on November 16, 2008*

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