# Toni

Most popular questions and responses by Toni-
## AP Chemistry

Water is being electrolysed in the presence of a non-reactive electrolyte under standard conditions. If 2.5 amperes of current flows through the circuit for 13.6 minutes at 25 degrees celsius and 1 atmosphere, what volume of hydrogen gas is produced?

*asked on January 26, 2013* -
## science

When a switch is turned from the off to the on position, it is changing the circuit in which of the following ways?

*asked on March 19, 2014* -
## math

Suppose you invest $2500 at an annual interest rate of 3% compounded continuously. How much will you have in the account after 7 years? Round the solution to the nearest dollar

*asked on January 14, 2014* -
## Math

A runner tries to keep a consistent stride length in a marathon. But, the length will change during the race. A runner has a stride length of 5 feet for the first half of the race and a stride length of 4.5 feet for the second half. 1.)A marathon is 26

*asked on October 26, 2017* -
## english (antonyms)

what is the antonym answer to the puzzle.. -nncntglty -gvtk -nt -ftthn THANKKK YOUUU :)

*asked on February 23, 2015* -
## English

I had to pick what grammatical stucture is in the "" portion of the sentence. Choses are adverb clause infinitive phrase past participial elliptical clause adjective clause present participial phrase nominative absoolute appossitive past participle phrase

*asked on April 12, 2011* -
## General Chemistry I

Determine the mass of Co(NO3)2 X 6H2O to prepare 250mL of a .50M stock solution.

*asked on February 28, 2011* -
## Chemistry

what type of reaction is AgF + CaCl2 --> AgCL + CaF2 ?

*asked on January 11, 2013* -
## social studies

describe two ways the federal bureaucracy helps to shape laws by congress

*asked on January 25, 2013* -
## Mathematics

the perimeter of a rectangular field is 140m. If the length is increased by 15m and the breadth is decreased by 5m, the length will become 3 time the breadth. find the length and breadth of the field.

*asked on April 15, 2013* -
## science

The specific heat of solid gold is 0.13J/gC.How much heat is needed to raise the temperature of 25.0g of gold from 23C to its melting point at 1063C

*asked on July 15, 2011* -
## Introductory Chemistry

A sample of 0.255 mole of gas has a volume of 748 mL at 28C. Calculate the pressure of this gas.

*asked on April 1, 2013* -
## Social Studies

Why is farming not a viable economic option for all areas of southern and Eastern Africa? 1- there is a lack of land 2- there is a lack of sunlight 3- there is a lack of rainfall 4- there is a lack of people to farm the land

*asked on September 15, 2016* -
## General chem lab

This involves Enthalpy of Neutralization: A student determined the calorimeter constant of the calorimeter. Using a plotted line. The student added 50ml of cold water to 50 ml of heated water in a Styrofoam cup. The initial temperature of the cold water

*asked on March 24, 2007* -
## Gen. Chemistry lab

Trying to find mass percent of acetic acid in 25 drops of .683M NaOH solution are required to neutralize 10 drops of cleaning vinegar. Assume that the density of the cleaning vinegar is the same as the density of regular vinegar which is 1.05 g ml-1 You

*asked on March 3, 2007* -
## physics

Ball 2, with a mass of 30kg, is moving to the left at 10m/s. With what velocity should Ball 1, with a mass of 10kg, move to the right and collide with Ball 2, so that Ball 1 rebounds with a velocity of 30m/s, and Ball 2 with a velocity of 10 m/s, after the

*asked on February 8, 2012* -
## physics

Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih modification would make it easier for Hans to get in his house? a. increase the length of the ramp b. increase the friction

*asked on February 26, 2010* -
## math

a basic cellular phone plan costs $18 per month for 50 calling minutes. Additional time costs $0.30 per minute. The formula C = 18+0.30 (x-50) gives the monthly cost for this plan for calling minutes, where x > 50. How many calling minutes are possible for

*asked on May 28, 2014* -
## Math

What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance in which a linear equation is not a function? Support your answer. Create an equation of a

*asked on September 28, 2009* -
## PHYSICS

Hans uses a wheelchair. Although he has a rampto in his house, he finds it difficult to get his wheelchair up the ramp. Whcih modification would make it easier for Hans to get in his house? a. increase the length of the ramp b. increase the friction

*asked on February 26, 2010* -
## physical science

A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?

*asked on June 12, 2011* -
## Chemistry

Ok, in this question, the drops is throwing me off totally, can someone help! A nationally known company markets a product called "cleaning vinegar" that is not designed for human consumption. What is the mass percent of acetic acid in this product if 25

*asked on March 4, 2007* -
## Economic

A new technology reduces the time it takes t9 make a pair of khaki pants

*asked on March 26, 2017* -
## math

Berkley has 10 pieces of ribbon that are 2 yards each. She uses 8 pieces that are each 3 feet long.

*asked on March 12, 2015* -
## math

how is basic math used in the medical office?

*asked on May 18, 2011* -
## physics

2 waves are traveling through a container of nitrogen gas. Amplitude of the first wave is 0.3 cm, and the second 0.9 cm. What is true about the two waves? a. the energy of thee first wave is less than the second b. energy of the first wave is greater c.

*asked on February 23, 2010* -
## Economics

When comparing firms within a industry, economists often use the productivity as a measure. Discuss the differences and properties of various productivity measures such as average productivity, marginal productivity, and etc. Give some real-world examples

*asked on October 29, 2009* -
## Social Psychology

Describe the reciprocal relationship between behavior and attitudes?

*asked on January 26, 2011* -
## general biologt

Water freezes in the crack in this boulder and expands. Over time pieces of the boulder will break off. What type of wathering effects is this an example of? a. wedging b. hydration c. carbonation d. reduced pressure

*asked on February 23, 2010* -
## Art

As you try to answer the following question think about this question What does the expression of an angry superhero mean? Which of the following steps of art critique are you conducting for this type of question? describe analyze •• present interpret

*asked on September 1, 2016* -
## orientalism of muslim and arab american

What are some characteristics orientalism and how it has became discrimination toward Muslim and Arab Americans? my understanding Orientalism is view of people and history of the orient with no recognition of change over time. Can some one explain to me

*asked on August 6, 2006* -
## Social studies

The colony Lord Baltimore established in Maryland encouraged Land grants for every settler A role for colonists in government Religious freedom for Roman Catholic •• The settlement of wealthy people In the Massachusetts bay colony the right to vote was

*asked on September 1, 2016* -
## Chem.

λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 6.

*asked on October 26, 2010* -
## Social studies

4. Why were the Dutch and the French such fierce enemies in North America? (1 point) They both wanted control of the Mississippi River. They both wanted to settle the same area. They both wanted to dominate the fur trade. •• They were fighting a war

*asked on September 1, 2016* -
## elementary stats

A binomial random variable is based on n = 28 and p = 0.7. Find x2P(x). (Give your answer correct to two decimal places.) 1

*asked on March 30, 2013* -
## physics

A 47.8-g golf ball is driven from the tee with an initial speed of 53.6 m/s and rises to a height of 32.6 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.24 m below its

*asked on December 10, 2012* -
## 3rd grade

my son is in the third grade. how do you figure out the mass

*asked on December 9, 2008* -
## Finite Math

A biology quiz consists of 10 multiple -choice questions. 7 must be answered correctly to receive a passing grade. If each question has 4 possible answers, of which only one is correct, what is the probability that a student who guesses at random on each

*asked on October 8, 2012* -
## Statistics

A certain company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of a battery is normally distributed, with a mean of 45 months and a standard deviation of 7 months. If the company does not want to

*asked on September 29, 2010* -
## biology

1) RNA condons and amino acids: valine, proline, alanine a. GCGCGUGUG b. GUGCCUGCG c. GUUCCCACU d. GCUCUUGCU

*asked on February 23, 2010* -
## maths

The first term of a g.p is twice it's common ratio, find the sum of the first two term of the progression, if it's sum to infinity is 8

*asked on February 2, 2015* -
## Science Help

Drew is walking back up the best hill in the neighborhood 24* grade. He's pulling on the empty 2.1kg sled with a force of 18N at an angle of 55* with the hill. He's walking with a constant velocity, what is the coefficient of friction?

*asked on December 11, 2014* -
## Mathematics

using the compound interest formula find the principal that will yield a compound interest of n$410 in 2 years at therate of 5 % per annum

*asked on April 15, 2013* -
## Math

From experience, the manager of Kramer's Book Mart knows that 30% of the people who are browsing in the store will make a purchase. What is the probability that among ten people who are browsing in the store at least seven will make a purchase?(round

*asked on October 8, 2012* -
## math

the perimeter of a triangle is 54 centimeters. the longest side is 6 centimeters less than the sum of the other two sides. Twice the shortest side is 10 centimeters less than the longest side. Find the lengths of each side of the tirangle

*asked on January 20, 2012* -
## Math

Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $50 of her medical bills, plus 30% of the rest. Under plan B, Giselle would pay the first $90, but only 25% of the rest. For what amount of medical bills will plan

*asked on July 4, 2011* -
## Physical Science

I have a really good grade in this class and I need to keep it that way. I am only asking to have my answers checked. I would like to graduate with honors so please help if you can. 1. A car traveling along the highway needs a certain amount of force

*asked on January 2, 2011* -
## Language Arts

Analogy help for my daughter please... Wouldn't is to coulnd't as green is to what??? The answer must start with scr, spr, str, or thr. Thank you

*asked on February 14, 2010* -
## algebra

Find the zeroes of each function. State the multiplicity of multiple zeroes. y=(x+3)^3 y=x(x-1)^3 I know you're supposed to factor them out, but I'm really not sure how to. Thanks. The equations are already factored out. For the first one, y is zero at x=3

*asked on December 14, 2006* -
## Dangling Modifiers

Could some one check and see ifi got these right If your baby does not like cold apple juice, it should be heated. 1. If your baby does not like cold apple juice, you should heat it. When they are fresh, eating oranges can often keep away the cold virus.

*asked on August 30, 2006* -
## Math

A picture 3 feet across is hung in the center of a wall that that is 19 feet wide. How many feet from the end of the wall is the nearest edge of the picture.

*asked on May 20, 2015* -
## College Algebra

Find all the zeros of the polynomial function by using the Rational Zero Theorem, Descartes Rule of Signs and Synthetic Division. f(x)=x^3-3x^2-33x+35

*asked on December 8, 2014* -
## AP chemistry

How do you balance ZnCO3 +O2 yields ZnO + CO2?

*asked on November 19, 2014* -
## world geography

Which of the following is accurate? a. No one knows what caused the decline of the Minoan civilization. c. Greece is at the crossroads of eastern and western culture. b. Greece is made up of mainland and a cluster of islands. d. All of the above

*asked on May 12, 2014* -
## Math, Please Help!

Ned divided a given number by 3 and then added 2. If he should have multiplied the number by 3 and then subtracted 2, which of the following two steps can he do next to get the correct answer? Subtract 4 and then multiply by 9. Subtract 12 and then

*asked on March 14, 2014* -
## Algebra

A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephone is given by C=.25(t-600)+50.95, wher it is assumed that t is greater than or equal to 600 minutes. What times will keep costs between $95.45 and $135.45?

*asked on August 14, 2011* -
## Algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12

*asked on July 3, 2011* -
## Physical Science

A 75 kg astronaut in space pushes against a 200 kg anvil. When the astronaut lets go of the anvil while pushing it: My answer is D (Just checking my work) A. both astronaut and anvil accelerate in opposite directions at the same rate B. neither the

*asked on December 31, 2010* -
## Operation Management

Customers arrive at service window every 3.6 minutes(exponentially distributed) and service time is 2.4 minutes )exponentially distributes) What is the average lenght of waiting line and waiting time?

*asked on June 15, 2010* -
## crt205

identify two arguments in the article Controlling Irrational Fears After 9/11?

*asked on April 19, 2009* -
## Math

Show each step to show how to verify the identity. cos(x + y) + cos(x - y) = 2 cos x cos y

*asked on January 29, 2015* -
## chemistry

If the mass of copper wire used in your reaction was only 0.012 grams, but the amount of silver nitrate used was unchanged, then how many grams of silver metal could be produced?

*asked on May 29, 2014* -
## English 101

I need help starting my english paper Draft a 7-9 page paper that compares and contrasts how the topic or theme you chose from the book was treated (or mistreated) in the film, and weigh in on what affect that has on the viewer as opposed to the reader.

*asked on July 8, 2013* -
## math plase check

What number would be used to represent a temperature of 7- degrees below zero. I think its is -.70 please check

*asked on June 6, 2012* -
## American Literature

I am doing a paper on The Minority Experience - American Indian Studies. My question would be how far back can any of this information acutually be documented? My professore replied this is fine as long as I make my focus a literay one. He suggest using

*asked on September 25, 2011* -
## algebra

Explain how many miles does it takes to get from home to work, with "distance Formulas?'

*asked on August 1, 2011* -
## Algebra

Use polynomial long division to divide 12x3 – 9x2 + 13x + 4 by 3x2 – 3x + 4

*asked on July 1, 2011* -
## medical office

how is basic math used in the medical office?

*asked on May 19, 2011* -
## Physical Science

I have a really good grade in this class and I need to keep it that way. I am only asking to have my answers checked. I would like to graduate with honors so please help if you can. 1. A car traveling along the highway needs a certain amount of force

*asked on January 2, 2011* -
## Physical Science 2

The attraction or pull of a person's body toward the earth, by the earth is called weight. The reaction to this force is the: My answer is B A. earth's surface pushing against the person's body B. person's body pulling on the earth C. person's body pushing

*asked on December 31, 2010* -
## math

A college student invested part of a $25,000 inheritance at 7% interest and the rest at 6%. If his annual interest is $1,671 how much did he invest at 6%? If I told you the answer is $8,000, in your own words, using complete sentences, explain how you

*asked on September 29, 2010* -
## ethnics 125

Investigate the official language movement which is an important hispanic american cultural interest. I have to find six credible sites or articles describing bilingualism in education and politics. How would I find credible sites everything I find is

*asked on August 29, 2011* -
## accounting-installment sales journal entry

Question: On 12/31/07, Company A sold equipment for $1,800,000. The equipment had a carrying amount of $1,200,000. At the time of the sale the buyer paid $300,000 cash and signed a $1,500,000 note bearing interest of $1,500,000 note bearing interest at 10%

*asked on October 24, 2008* -
## Science

What happens to electrons in any charging process? Give an example of something charged by induction?

*asked on November 5, 2007* -
## Math

Sharon had 3/4 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?

*asked on December 14, 2016* -
## Social studies

One reason why the spanish easily conquer the americas was the aztecs and incas lacked? Wealth and power •• Loyalty to their leaders The will to fight to the death Resistance to European diseases

*asked on September 1, 2016* -
## Physics

An astronaut jumps on the moon with an initial upward velocity of 4.35m/s. If the acceleration of gravity on the moon is -1.62m/s^2, what is the max height of the astronaut?

*asked on October 21, 2014* -
## Math Questions

1.) What is the inverse of the relation (3, -1), (2. 5), (-4, -4)? 2.) What is the inverse of the relation (1, -3), (3, 5), (6, -2)?

*asked on September 30, 2014* -
## history

What's the difference between an Emir and a Caliph?

*asked on September 20, 2014* -
## Cedar Grove middle

3÷1/2 in the simplest form have to check work

*asked on February 4, 2014* -
## algebra

help me please im confused Consider the quadratic expression X^2 + 4x + c = 0. For what range of values does the equation have two complex roots? what am i doing here can someone show me step by step so i can at least try to do the other problems i have

*asked on October 8, 2013* -
## Chem

calculate the temperature change that occurs when 229 cal of heat are added to 22g of water

*asked on September 4, 2013* -
## eng091

revise thesis statement Thesis sentence: When I order the liquors for my business I believe it is a useless expense of using the online service, because I have to order certain quantities from the liquor commission, but when parties are given for our

*asked on May 16, 2013* -
## math

an aquarium holding african cichlids is 2 inches higher than it is wide. Its length is 29 inches and its volumne is 3480 cubic inches. what is the height and width inches.

*asked on March 22, 2013* -
## physics

A 47.8-g golf ball is driven from the tee with an initial speed of 53.6 m/s and rises to a height of 32.6 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.24 m below its

*asked on December 10, 2012* -
## prealgebra/ check answer please

If 1,790 Mega Watts of power, out of the 3,000 Mega Watts generated by a power utility, reach the destination, what percentage of the generated power reaches its destination? 1,790 - 3,000 = 1,210 1,790 divided by 1,210 = 1.4 Answer 1.4% Unsure

*asked on June 23, 2012* -
## prealgebra/ check answer please

John who is an amateur golfer spends 3 hours every day practicing golf. What percentage of his waking hours does John spend practicing golf if he sleeps 9 hours a day? 24-9=15 3/15= 0.2% Answer I am unsure if the steps are right

*asked on June 23, 2012* -
## Business

If you were a business consultant hired to assist a company outline a strategy for going global, what country would you suggest they venture into, what three types of advice would you offer and why?

*asked on June 13, 2012* -
## math/algebra

I’m working at this restaurant making $30,000 a year. Another restaurant really wants to have me manage their restaurant they are offering to pay me 2 ¾ times more then I make now. How much would I be making? show this is done please

*asked on June 3, 2012* -
## Math

Shipwrecked marines wrote this message in the sand, knowing that their searchers would be able to decode it. What does it mean? 64 25 144 256

*asked on May 2, 2012* -
## Algebra

Solve by factoring: 10t^2 – t − 2 = 0

*asked on July 2, 2011* -
## ethnics 125

determine if the Irish colonized or if it immigrated to the United States. Did the Irish face prejudice, segregation, racism, or any combination of the three? If so, how and why?

*asked on May 29, 2011* -
## physical science

16. When a bullet is fired from a rifle: mine is D A. the recoiling rifle and the bullet have the same kinetic energy and momentum B. the bullet has greater momentum and kinetic energy than the rifle C. the rifle has greater momentum and kinetic energy

*asked on January 3, 2011* -
## Music Theory

Explain to me how to get information on the computer about higher pair notes

*asked on November 4, 2010* -
## chemistry

What is the specific heat of a substance if it takes 250 J of heat energy to raise the temperature of a 20 g sample from 20 degrees celsius to 45 degrees celcius?

*asked on May 31, 2010* -
## algebra 1

Solve for the variable in the equation 3(-2-3x)=-9x-4. I'm having a hard time with this one. Whenever I check my work the numbers are close, but not correct.

*asked on May 18, 2010* -
## Health/SCI302

1. Compare and contrast how different electrolytes—sodium, potassium, and chloride—function in the body. 2. What effects might alcohol and caffeine have on hydration levels in the body?

*asked on May 2, 2010* -
## dulaney hi

what is the maxium mass of chlorine that could be released in the stratosphere by 100g of ech compound

*asked on March 14, 2010* -
## CRT 205

Identify fallacies

*asked on May 31, 2009* -
## penn foster catering

You're likely to encounter formal service in all of the following settings except which one? A. A gourmet restaurant B. A wedding C. A church outing D. A dinner party

*asked on April 24, 2009*

## Pages

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