# 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

91,718 questions, page 764-
## chemistry

What is the vapor pressure (in mm Hg) of a solution of 12.5 g of glucose ( C6H12O6) in 75.0 g of methanol (CH3OH) at 27 degrees celcius? The vapor pressure of pure methanol at 27 degrees celcius is 140 mm Hg.

*asked by kyle on March 9, 2011* -
## math

Katie picked 7 times as many strawberries as Garrett. Garrett picked 6 quarts of strawberries. How many quarts did Katie pick? Which two multiplication facts can you use to help find the solution ?

*asked by grace on January 5, 2015* -
## Science

Which of the following displays the correct order of structures urine passes through as it is processed by the urinary system? nephron, ureter, urinary bladder, urethra ureter, urinary bladder, nephron, urethra urinary bladder, urethra, nephron, ureter

*asked by Anonymous on November 17, 2014* -
## Math (Programming)

I need to create a program that will solve any Caesar Cipher. The goal is to be given an encoded message, make it an array, and use that array to return to me a decoded message. At the end of the project you will be given a code and will be graded on how

*asked by Anonymous on April 1, 2019* -
## inermediate algebra

A box with no top is to be made by cutting a 2-inch square from each corner of a square sheet of metal. After bending up the sides, the volume of the box is to be 220 cubic inches. Find The the length of a side of the square sheet of the metal that should

*asked by tino on November 24, 2012* -
## college Algebra

Use matrix methods to solve the problem. To use space effectively, librarians like to fill shelves completely. One 105-inch shelf can hold 3 dictionaries, 5 atlases, and 1 thesaurus; or 6 dictionaries and 2 thesauruses; or 2 dictionaries, 4 atlases, and 3

*asked by Dee on December 13, 2013* -
## English Language

1. Which of the following is NOT a West Germanic language? Yiddish Afrikaans Frisian High German Gothic 2. One of the following pairs illustrates the workings of Verner's Law. Which one is it? plate/flat?gelatin/cool freeze/frozen was/were tooth/dental 3.

*asked by Jack on March 28, 2007* -
## Algebra 2

The excursion boat on the river takes 2½ hours to make the trip to a point 12 miles upstream and to return. If the rate at which the boat travels in still water is 5 times the rate of the river current, what is the rate of the current? Which of the

*asked by Casey on October 13, 2012* -
## Geometry

The equation T = 0.03c + 0.05b relates the numbers of cans c and bottles b collected in a recycling rally to the total dollars T raised. How many cans were collected if $147 was raised and 150 bottles were collected? Solve the equation for c and justify

*asked by David on September 17, 2011* -
## geometry

Can anyone help me to solve this, please? A right prism has a polygonal base with n sides. Each side has a length of 5 in. The altitude of the prism is 20 in. If the base had n+1 sides, each still having a side of length 5 in, by how much, in square

*asked by scott on August 23, 2011* -
## econ

Consider the market for trucks. Assume that the demand for trucks is given by 60 2 5 D Q P Y where P is price per truck and Y is the income of the buyers. The supply of trucks is given by 30 5 3 S Q P W where W is the price of all the materials needed to

*asked by des on February 23, 2013* -
## PLEASE HELP!!!!! (Right Triangle Question)

Point N is on hypotenuse BC of triangle ABC such than angle CAN is 45 degrees. If AC=8 and AB=6, find AN. I did Pythagorean Theorem for triangle ABC, and hypotenuse BC will be 10. I don't know how to continue from there. Oh, I'm also unsure about this, but

*asked by My Name Is Bob on April 9, 2012* -
## Algebra 1 (Reiny)

I'm sorry but I'm confused about the steps you took in the part of the equation that you began to solve for me. Maria has 8 cups of a fruit punch that consists of 25% orange juice and 75% apple juice. She wants to make a drink that is 40% orange juice. How

*asked by Victoria on June 3, 2014* -
## Pre-Calculus-check answers

How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 students must be seniors? Answer: 5400 Find the probability of getting a sum of 5 on the first toss of two number cubes and a sum of 6

*asked by Lucy on October 11, 2008* -
## Math

Please help me, I have to solve these problems: My great-grandfather invested $ 9.00 in a savings account in 1909. The amount of money in the account double every 9 years. * How much money would be in the account 99 years later?------------- * By what

*asked by Hect01 on May 14, 2014* -
## Chemistry for Eng.

Select the delta H values associated with the dissolution of lithium chloride that are exothermic. delta H1: energy associated with the separation of water molecules delta H2: energy associated with the separation of ions delta H3: energy associated with

*asked by Anonymous on November 1, 2012* -
## Math Help

The length of an object in feet is equal to 3 times its length in yards. The length of a waterslide is 48 feet. Write and solve a multiplication equation to find the length of the waterslide in yards.

*asked by Anna on January 30, 2012* -
## math

In four years Cathy's cat Byte will be three fourths as old as Cathy will be. Four years ago, Byte was only half as old as Cathy was. How old are Cathy and her cat? I am struggling to solve this two variable word problem. please help.

*asked by jason on February 15, 2008* -
## Calculus

Integrals: When we solve for area under a curve, we must consider when the curve is under the axis. We would have to split the integral using the zeros that intersect with the axis. Would this be for all integrals? What if we just want to "find the

*asked by Jennifer on December 18, 2009* -
## Math

Guess and Check is an important problem-solving strategy. Use guess and check to solve each puzzle. a) A number times itself is 100. What is the number? b) A number times itself is 225. What is the number?

*asked by Anonymous on September 9, 2013* -
## Chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having a wavelength of 1005 nm. What is the final state of the hydrogen atom? What is the equation to solve this?

*asked by Emma on April 7, 2016* -
## math

rainbow Harbor Cruises charges $16/adult and $8/child for a round trip ticket. The records show that on a certain weekend, 1200 people took the cruise on saturady and 800 people took the cruise on sunday, The total receipte for saturday were $13,600 and

*asked by nikki on March 3, 2010* -
## Calculus

Suppose a certain object moves in a straight line with velocity v(t)= -2+t+3sin(pi t) where v is in meters per second and t is in seconds. Determine the net change in distance of the object from time t=0 to time t=6 seconds and find the object's average

*asked by Kazuya on August 22, 2017* -
## Maths

Solve this equation fo rx in the interval 0

*asked by Edward on April 11, 2007* -
## chemistry

how to solve for a 28.4 L sample of methane gas is heated from 35.0° C to 76.0° C. The initial pressure of the gas is 1.00 atm at 35.0° C. Assuming constant volume, what is the final pressure of the gas? OK, I did the following: P₁ = 28.4 L P₂ = ?

*asked by sandy on November 22, 2011* -
## Algebra

Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m, and the area is 224 m squared, find the length of the other base. The height dimension h is measure perpendicular to the to parallel "base" sides, a and

*asked by Judy on March 13, 2007* -
## Physics

A 10 kg block sits on a flat surface whose μs=0.60 and whose μk is 0.40 a. What horizontal force is required to get the block move? b.If we continue to apply the same force as in part a. what will the blocks acceleration be? In the answer: force=.6*mg to

*asked by Lianne on August 26, 2012* -
## Math

your profit P is determine by subtracting the cost C(the amount of money it costs to operate a business) from the revenue R(the amount of money you earn from selling your product). profit can be represented algebraically by the equation:

*asked by Pete on September 27, 2009* -
## calculus

(a) find the intervals on which f is incrs or decrs. (b) find the local min/max values of f. (c) find the intervals of concavity and the inflection points. f(x)=(lnx)/sqrtx I took the derivative and got 2-lnx/2x^3/2 take the values when f'(x) >0 I get

*asked by Riley on April 6, 2009* -
## Physics

A 3-kg mass attached to a spring with k = 130 N/m is oscillating in a vat of oil, which damps the oscillations. (a) If the damping constant of the oil is b = 19 kg/s, how long will it take the amplitude of the oscillations to decrease to 1% of its original

*asked by Bruce on July 12, 2012* -
## Math

A biased coin lands heads with probabilty 2/3. The coin is tossed 3 times a) Given that there was at least one head in the three tosses, what is the probability that there were at least two heads? b) use your answer in a) to find the probability that there

*asked by Steve on June 11, 2018* -
## math,correction

is this correct: solve by using the quadratic formula 5x^2+x=3 what i keep getting is this: (-1 +/- sqrt 61)/(10) or should i reduce the denominator to 5 or is my whole answer incorrect? (-1 +/- sqrt 61)/(10) looks correct. You do not need to reduce it

*asked by jasmine20 on April 19, 2007* -
## physics

Given that the Moon's period about the Earth is 27.32 days and the distance from the Earth to the Moon is 3.84*10^8 m estimate the mass of the Earth. Assume the orbit is circular. Why do you suppose your estimate is high? The force of attraction=

*asked by becky on January 8, 2007* -
## Algebra: Parabolas

I have a math problem that requires me to find the focal length of a parabola using the information given on a graph. It is a standard horizontal parabola, the formula being y^2 = ax. The focus point is formula a = 4p. I know that a is positive, because

*asked by Anonymous on April 25, 2012* -
## math

Jesse bought 10 more pencils than erasers. A pencil costs $0.15, and an eraser costs $0.22. He paid a total of $4.46. How many erasers did Jesse buy? ~I got some help and ended up here 22x+14(x+10)=446 I just don't know how to solve the rest of the problem

*asked by Edgard on January 29, 2017* -
## chemistry

what is the solubility of barium sulfate in a solution containing 0.050 M sodium selfate? The Ksp value for barium sulfate is 1.1E-10. An insoluble salt with formula MX3 has a solubility product constant written in terms of solubility,s, in the form a)

*asked by Sarah (C) on April 23, 2011* -
## math

Ricardo wants to cover a 8" by 10" by 5" box with contact paper How many square inches of caontact paper will he need? How much ribbon will he need if the bow itself adds 15" just do l*W*H 8*10*5 then for the ribbon just add 15 to the solution of 8*10*5 =

*asked by Preston on January 22, 2007* -
## math

Part 1: Find the area of a rectangular object which has a length of 5√8 inches and a width of 2√5 inches. (3 points) Part 2: Explain, in complete sentences, how you arrived at the simplified answer and give the final solution in simplified radical

*asked by me on January 7, 2012* -
## Chemistry

Calculate the concentrations of all species in a 0.810 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4 x 10^-2 and Ka2 = 6.3 x 10^-8 so I'm trying to find Na, SO3 2-, HSO3-, H2SO3, OH-, H+ and heres what I

*asked by Katherine on April 20, 2012* -
## Chemistry

The ionization constant Ka of an indicator HIn is 1.0x10^-6. The color of the nonionized form is red and that of the ionized form is yellow. What is the color of this indicator in a solution whose pH is 4.00? (The question mentions that you can use the

*asked by Taylor on February 26, 2014* -
## Chemistry

4.72 g of a compound of carbon, hydrogen, and silver was burned in an atmosphere of oxygen, yielding 7.95 g of CO2, 1.02 g of H2O and 3.02 g of a mixture of silver and silver oxide. Because the production of this mixture yielded an indeterminate value for

*asked by CL on February 23, 2017* -
## chemistry

Why are standard KMnO4 solutions are seldom used for the titrations of solutions containing HCl? 2. Why are standard solutions of reductants less often for titrations than standard solutions of oxidants? 3. When a solution of KMnO4 was left standing in a

*asked by angel on May 13, 2009* -
## APChem

Hi I tried to understand this but I don't know why the answer is B: Which one of the following pairs cannot be mixed together to form a buffer solution: A) NaC2H3O2, HCl B)RbOH, HBr C) NH3, NH4Cl D) H3PO4, KH2PO4 E) KOH, HF The answer is B but could you

*asked by Kiki on March 21, 2010* -
## maths

What would the equation be of a straight line that passes through the points (1,1) and (3,3) ?? write the equation for the line: y= mx+ b put the first set of points in.. 1=1m + b then the second equation 3=3m + b subtract the equations... 2=2m so you know

*asked by kat on June 9, 2007* -
## computer science

CSI 16 1 Group Assignment 1 201 3 P age 2 of 6 1. 1. How many milliseconds (ms) are in 1 second? 2. How many microseconds are in 1 second? 3. How many nanoseconds (ns) are in 1 millisecond? 4. How many microseconds are in 1 millisecond? 5. How many

*asked by Tefo sello on September 12, 2014* -
## chemistry

2. A 350 mL buffer solution containing 0.15 M HF and 0.150 M NaF is reacted with sodium hydroxide. What mass of NaOH can this buffer neutralize before the pH rises above 4.0? If the same volume of buffer was 0.35 M in HF and 0.35 M in NaF then what mass of

*asked by help on December 1, 2010* -
## chemistry

you have two beakers one filled to the 100 ml mark with sugar and the other filled to the 100 ml mark with water. you pour the sugar and all the water together in a bigger beaker and stir until all the sugar is compeletely dissovlved. what happens to the

*asked by kelly on July 2, 2010* -
## chemistry

0.10 mol of molecule A is added to 1.0 mol pf molecule B.The initial volume of B was 1.1L and the final volume of the solution is 1.039L. Assuming that the partial molar volume of B is exactly 50% greater than that of A, find the partial molar volumes of

*asked by mistylight04 on May 11, 2010* -
## Chemistry

How would you know if a salt will produce a neutral, acidic or basic solution? I am quite confused. I know you first break them up into their ions but I don't know what to do next. For example: NaH2PO4= acidic soln Mg(HSO4)2= neutral soln Ca(CN)2= basic

*asked by Sara on January 20, 2015* -
## Chemistry

A 0.020 M KMnO4 solution was used to determine the percent iron in a sample containing iron(II). MnO− 4 + 5 Fe2+ + 8 H+ → Mn+2 + 5 Fe3+ + 4 H2O It took 25.0 mL of the KMnO4 to completely react with all the iron(II) in the 0.500 g sample. What was the

*asked by Child on September 20, 2015* -
## Science

Describe the procedure for preparing 250mL of buffer solution with a pH of 5.00 from acetic acid (CH3COOH) and sodium acetate. How many grams of acid do you have to mix with 3.6 grams of sodium acetate? (Given Ka for acetic acid = 1.8x10^-5)

*asked by Chemisty-Buffers on October 25, 2010* -
## chem 12

a) Calculate [H3O^+] in a 0.15M solution of benzonic acid, HC7H5O2(aq) having K of 6.4x10^-5. b) Calculate the per cent ionization of the HC7H5O2. I got.. Kb = [HC7H5O3][OH]/HC7H5O2 6.3x10^-5 x Kb =1.0x10^-14 Kb = 1.0x10^-14/6.3x10^-4 = 1.5x10^-10

*asked by Sarah on October 11, 2011* -
## math

50gm of a sample of ca(oh)s is dissolved in 50ml of 0.5N hcl solution. The excess of hcl was titrated with 0.3N -naoh. The volume of naoh used was 20cc. Calculate of naoh used was 20cc. Calculate % purity ca(oh)2 Who help me step by step

*asked by Fai on December 22, 2013* -
## Chemistry

How would you know if a salt will produce a neutral, acidic or basic solution? I am quite confused. I know you first break them up into their ions but I don't know what to do next. For example: NaH2PO4= acidic soln Mg(HSO4)2= neutral soln Ca(CN)2= basic

*asked by Sara on January 20, 2015* -
## Math

On a trip of d miles to another city, a truck driver's average speed was x miles per hour. On the return trip the average speed was y miles per hour. The average speed for the round trip was 50 miles per hour. Show that y=25x/(x-25) Find the limit of y as

*asked by Matt on November 18, 2016* -
## physics 12U

A driver parks his car on a hill but accidently leaves it in neutral. The car starts from rest and accelerates down the 45 m long hill. It take the car 12.3 seconds to reach the bottom of the hill. a) What is the final velocity of the car at the bottom of

*asked by emma on February 21, 2016* -
## science - pangaea project

I need help with science pangaea project ideas? my teacher wants a great project, and i really need the grade.? my teacher is expecting an AMAZING project from me, because apparently i'm her best student. anyways, i was thinking that i could show the

*asked by NEEDSHELP on February 21, 2010* -
## Chemistry

A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step?

*asked by Sarah on September 20, 2014* -
## Windows 7 operating system

A business has a kiosk computer located in the lobby for customers to use. The kiosk computer has recently been updated to Windows 7 from Windows XP and is not part of a domain. The local computer policy created for Windows XP has been applied to Windows

*asked by RAM on April 22, 2011* -
## algebra

Please correct,if necessary, and simplify using long division: (-72-4x^2+8x^3-36x) devided by (x-3). My solution: 8x^2+20x+24 ------------------- 8x^3-4x^2-36x-72 8x^3-24x^2 ------------------ 20x^2-36x-72 20x^2-60x ----------------------- 24x-72 24x-72

*asked by Anneliese on April 15, 2017* -
## Chemistry

Make a solution of the following: 4ml of 0.5m cupric sulphate pentahydrate. 5ml of 250mm cupric sulphate pentahydrate. and 6ml of 125mm cupric sulphate pentahydrate.

*asked by Aondoakaa on May 11, 2013* -
## intermediate technology

Consider the following scenario: You have just written a ten-page report for your supervisor. The report outlines the total sales made by your team made in the past year, sales by region, and sales by quarter. While it is important to write out the detail

*asked by tavarus on July 10, 2012* -
## math

Which strategies can be used to solve this problem? Colin invited 31 people to the picnic. He can fit 10 people at his picnic table and the rest will sit on blankets. Each blanket can hold 3 people. How many blankets does Colin need so that everyone has

*asked by April lanneau on March 8, 2019* -
## Physics

Hello, I'm totally lost on how to solve this physics problem. Where/how do I insert the variables?? "Light travels from one material with a refractive index (n1=1.5) to another material with refractive index (n2=1.7). If it strikes the surface at a 45°

*asked by Mariam on May 11, 2018* -
## algebra

Please help me solve this: If an object is projected upward with an initial velocity of 112 feet per second from a height h of 128 feet, then its height t seconds after it is projected is defined by the equation h=-16t^2 + 112t + 128. How many seconds

*asked by Danielle on July 14, 2014* -
## math

Jack and Diane went to the movies. They each paid the same amount for an admission ticket. Together, they spent $12 on snacks. The total cost of admission and snacks for Jack and Diane was $26. How much was each admission ticket? Choose a variable. Write

*asked by Cherie on March 14, 2013* -
## Inter. Algebra

I find it curious here: a - b=2 in this case, rationalize by multplying both sides by a+b, getting a-b=2 a^2-b^2=2(a+b) 2x+3-x+2=2(a+b) (x+5)/2 = a+b now add the original equation.. 2= a-b or 2a= 2+ x/2 + 5/2 4sqrt(2x+3)= x+9 square both sides.. 16(2x+3)=

*asked by bobpursley on December 3, 2006* -
## torque

A meterstick is found to balance at the 49.7 cm mark when placed on a fulcrum. When a 50.0g mass is attached at the 10.0cm mark, the fulcrum must be moved to the 39.2 cm mark for balance. What is the mass of the meterstick? All of the problems ive been

*asked by sar on June 22, 2010* -
## Physics

i saw this question from physics book, can someone please help me solve this.. thank you.. A man pulls a 500 Newton block up a plane inclined 300 with the horizontal with a force of 300 Newton parallel to the plane. What net force tends to pull the block

*asked by May on October 9, 2010* -
## ASVAB Arithmetic

In Tim's last 5 games here's the number of three-point field goals scored per game. 9 6 0 9 3 How many three-point field goals would Tim have to kick in the next game to bring his average (arithmetic mean) to six points per game? I just need to be walked

*asked by Nea on July 27, 2019* -
## 7th grade math Ms. Sue please

I have absolutely NO IDEA how to solve this problem!!?! Please help! Answer the following question: Sometimes people say “Give 110% of your effort.” Is it possible to give 110% of your effort? Is there ever a situation where you might have a percent

*asked by Delilah on December 3, 2012* -
## trig plz help

Solve. Round off your answer to the nearest foot. (The picture is not drawn to scale.) A balloon is 1500 feet above the ground. The angle of depression from the balloon to headquarters is 46°21'. How far is the headquarters from a point on the ground

*asked by ashley on March 6, 2016* -
## Algebra

Yes. The car will travel 40 miles in an hour. A certain Car Travels 14 miles in 21 minutes. If the car continues at the same speed how many miles can it go in 1 Hour One way to solve this problem is by setting up a proportion. Let x = the miles the car can

*asked by Ms. Sue on June 26, 2007* -
## Calculus

How do I use the chain rule to find the derivative of square root(1-x^2) also, are there any general hints or tips for determining when the chain rule and product or quotient rule should be used?? i'm having trouble discerning when both the chain rule and

*asked by Elizabeth on October 7, 2008* -
## Physics

Suppose you are given the following equation, where xf and xi represent positions at two instants of time, vxi is a velocity, a is acceleration, t is an instant of time, and a, b, and c are integers. xf = xi ta + vxi tb + 1/2 ax tc For what values of a, b,

*asked by Jess on October 4, 2009* -
## calculus

A box with a square base is to be constructed with a surface area of 726 square centimeters. 1. Draw a diagram of the box. Label the diagram appropriately with variables. 2. Write an objective equation and a constraint equation (label each one as objective

*asked by Courtney on April 8, 2015* -
## Advanced Biology

Hi could you help me with this problem as well? The alleles for red and white coat color in cattle show absence of dominance, the heterozygote being roan. A.In a freely breeding herd of 1000 head how many would you expect to be of each coat color if the

*asked by Cassandra on October 20, 2016* -
## Statistics

Suppose that the probability distribution of a random variable x can be described by the formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. For examples, then, p(x=2) = p(2) = 2/15 a Write out the probability distribution of x. b Show that

*asked by Kelly on October 26, 2009* -
## college

Use the Microsoft Web site microsoft. com/ windows/ compatibility to research whether a home or lab PC that does not have Windows Vista installed qualifies for Vista. Fill in the following table and print the Web pages showing whether each hardware device

*asked by Anonymous on December 1, 2010* -
## Psych-Ms Sue

Could you check my answers? Thanks. 1.Studies show that there are no significant differences between mother child play and father child play with infants under 12 months of age? True, because they are too young to tell. 2. In home day care is always

*asked by Jim on September 11, 2013* -
## SS please help!!

Why are most modern economies referred to as mixed economies? * 1 point Poverty is always highest in countries with market economies. Government planners do not know how to handle economic problems. Products made by traditional economies have no markets in

*asked by Haley on October 5, 2017* -
## math 117/algebra

The combined resistance of two resistors R_(1 amd R_2 )in a parallel circuit is given by the formula R_(r= 1/(1/R_1 + 1/R_2 )) Simplify the formula. Help what is this talking about and how do I work it? find R as a function fo r`1 and r2. 1/R= 1/r1 + `1/R2

*asked by Diana on July 11, 2007* -
## Physics

Would someone please check my work ands let me know if I am right? (We are going to do this as a group but I'd like to attempt it on my own first.) Thank you! Suppose a soccer player kicks the ball from a distance 30 m toward the goal. Find the initial

*asked by Miaow on September 6, 2012* -
## english

how do you write an evaluation? What kind of evaluation are you referring to? Job evaluation? Evaluation of literary work? Or what? If you're referring to a literary evaluation, here's a webpage that may help:

*asked by dan on November 15, 2006* -
## Physical science check answers

1. Imagine that you pushed a box, applying a force of 60 newtons, over a distance of 4 meters. How much work have you done? 15 joules 56 joules 64 joules 240 joules*** Question 2 (Multiple Choice Worth 2 points) Which statement best describes the

*asked by Summer Moriarty on September 14, 2016* -
## Calculus AB

Could someone please help me with these tangent line problems? 1) Find the equation of the line tangent to the given curve at the indicated point: 3y^3 + 2x^2 = 5 at a point in the first quadrant where y=1. 2) Show that there is no point on the graph of

*asked by Annie on November 25, 2016* -
## math

Please help solving this problem. Solve the following word problem: One poll reported that 48% of city residents were against building a new stadium. The polling service stated that the poll was accurate to within 3%. What is the minimum percent of city

*asked by bindiya farswani on April 6, 2010* -
## physics

Consider a circuit with an input voltage, a resistor, and a capacitor,Imagine that the input voltage initially has size 12 volts at t = 0. At t = 10 it drops down to a value of 5 volts, which it then maintains indefinitely.Setting R = 3 and C = 2 formulate

*asked by tendeukai on September 2, 2015* -
## Algebra 1 (HELP PLEASE!!)

The United States Mint reported at the end of 2006 that the unit cost of producing and distributing a penny was 1.21 c. What percent of the value of a penny is this cost? What can you conclude about the cost of making pennies? • How can a model help you

*asked by Maggie on September 14, 2011* -
## Chemistry

Which of the following nitrogen-containing compounds would supply the most nitrogen per gram of fertilizer? a. iron azide, Fe(N3)2, MW = 140 g/mol b. sodium azide, NaN3, MW = 65 g/mol c. potassium nitrite, KNO2, MW = 85.1 g/mol d. potassium azide, KN3, MW

*asked by Sarah on November 9, 2015* -
## Algebra

Beth is a bush pilot in Alaska. On a recent trip, she flew 600 miles with a tail wind in four hours. On the return trip, it took five hours to fly the 600 miles against the wind. Find the speed of the plane with no wind. Could you please explain how to

*asked by Delia on June 8, 2009* -
## Physics

A horizontal pipe contains water at a pressure of 120kPa flowing with a speed of 1.4m/s . The pipe narrows to one-half its original diameter. a) what is the speed of the water? b) what is the pressure of the water? I tried using the continuity equation

*asked by Lhaedy on December 11, 2013* -
## algebra

evaluate each function for the value specified.fx+x2-7x+10; find (a)f(0),(b)f(5),and(c)f(-2). can any one help me withthis i have not the first clue how to begin here. What you wrote is nonsense. Did you mean f(x)=x2-7x+10 ? If so, f(0)= put zero in for x,

*asked by clueless on May 18, 2007* -
## Language Arts

1. Which of the following sentences has correct subject-verb agreement? A. A scarf or a hat keep you warm in the winter. B. Either Grandma or your brother pick your birthday gifts each year. C. Stacey and her sisters go to the beach every summer.** D. A

*asked by Anonymous on March 17, 2017* -
## social studies please help

what sis franklin roosevelt do to reduce the effects of the depression the day after he became president? a. he closed the stock market to prevent further losses b. he signed a bill to provide money to industries so they could reopen and put people back to

*asked by what on April 8, 2014* -
## reading/english

Identify the pronouns(s)andin the following sentenceas personal,reflexive,intensive,demonstrative, interrogative,relative or indefinite. James designedthe building himself Please note that we don't do students' homework for them. Our tutors try to give you

*asked by shaya on March 28, 2007* -
## physics

A 2.606 kg block is on a horizontal surface with ìk = 0.160, and is in contact with a lightweight spring with a spring constant of 577 N/m which is compressed. Upon release, the spring does 7.212E-1 J of work while returning to its equilibrium position. I

*asked by help on November 23, 2010* -
## chemistry

a sample of ethanol was prepared by reacting 9.2cubic centimetres of ethanol(density 0.8grams/cubic centimetre)with an acidified solution containing 11grams of sodium dichromate(Na2 Cr2 O7) the reaction is represented by the following equation: C2 H5 OH+K2

*asked by Mnashe on August 22, 2018* -
## PHYSICS

A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then

*asked by matt on October 9, 2013* -
## physics

A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then

*asked by radjish on October 8, 2013*

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