# angie

Most popular questions and responses by angie-
## Chemistry

The chemical equation for ionic reaction between Na2S and AgNO3??

*asked on April 1, 2015* -
## science

in a baseball-hitting contest at the office picnic, five men participated named: Biff, Carl, Fred, Marty, and Tom. Their last names in alphabetical order are Jenkins, Keech, McNabb, Miller, and Winslow. The distance that each man hit the ball in feet are:

*asked on September 26, 2007* -
## science

An astronaut of mass 120 kg recedes from her spacecraft by activating a small propulsion unit attached to her back. The force generated by a spurt is 30 N. Show that her acceleration is 0.25 m/s2.

*asked on September 15, 2013* -
## English

Which quote from "The Morning of June 28, 1948" bes supports the conclusion that the public strongly disliked "The Lottery?" A. "this, as any writer of stories can tell you, is not a usual thing." B. "your story has kicked up quite a fuss around the

*asked on May 18, 2015* -
## English

Edgar Allan Poe uses foreshadowing in "The Cask of Amontillado" to create mystery in which of the following quotes? A. "he had on a tight-fitting parti-striped dress, and his head was surmounted by the conical cap and bells." ****** B. "and as for

*asked on May 18, 2015* -
## English

Which of the following lines from Marge Peircy's poem "To Be of Use" best demonstrates the speaker's view that work is gratifying?

*asked on May 18, 2015* -
## AP Chemistry

Write the expression of for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.

*asked on January 11, 2010* -
## Math Problem (please help)

On the day of a child's birth, a deposit of $30,000 is made in a trust fund that pays 3% interest, compounded continuously. Determine the balance in this account on the child's 30th birthday. (Round your answer to two decimal places.)

*asked on September 9, 2014* -
## English

In "The Most Dangerous Game, " how does Rainsford's survival depend on his adventurous bold nature? A. He has no sympathy for the animals he hunts. B. He is resourceful and refuses to play by Zaroff;s rules ****** C. He considers Zaroffs "sport"

*asked on May 18, 2015* -
## Science

What general appearance does a graph line have if the dependent variable does not change with time?

*asked on January 29, 2009* -
## ENGLISH

Which form best describes this poem? narrative poem haiku free verse lyric poem

*asked on March 2, 2017* -
## 8th grade

Surface ocean currents located at 40 degrees south latitude and 90 degrees west latitude generally flow toward the (1) northeast (2) southeast (3) southwest (4) west

*asked on December 27, 2008* -
## Math

When Albert flips open his mathematics textbook, he notices that the product of the page numbers of the two facing pages is 156. Which equation could be used to find the page numbers that Albert is looking at? a. x+(x+1)=156 b.(x+1)+(x-2)=156

*asked on March 28, 2009* -
## Chemistry - Help

Please help..Write the equation for the equilibrium constant (K) of the reaction. 2K2CrO4 + 2HCl -->

*asked on April 12, 2015* -
## English

why might an author use a metaphor to enhance the meaning of fiction or poetry? A. to create an image in readers' mind ** B. to represent a larger thought or idea C. to give a story or poem a song-like quality D. to help set the mood of the story or poem

*asked on May 18, 2015* -
## Chemistry

Which equation shows conservation of mass and charge? A.NH4Br → NH3 + Br2 B. 2Mg + Fe3+ → Mg2+ + 3Fe C. H2SO4 + LiOH → Li2SO4 + H2O D. Cu + 2Ag+ → Cu2+ + 2Ag It's either b or d, since they both have two elements with an oxidation number of 0. Which

*asked on May 21, 2011* -
## Statustics

A survey found that women’s heights are normally distributed with mean 63.4 in and standard deviation 2.5 in. A branch of the military requires women’s heights to be between 58 in and 80 in. a. Find the percentage of women meeting the height

*asked on August 4, 2014* -
## AP Chemistry

You are given a small bar of an unknown metal X. You find the density of the metal to be 10.5g/cm3. An x-ray diffraction experiment measures the edge of the face-centered cubic unit cell as 4.09 A. (1A=10^-10m) Identify X.

*asked on November 14, 2009* -
## Chemistry

Suppose 26.0g of sodium bromide is dissolved in 150mL of a 0.60M aqueous solution of silver nitrate. Calculate the final molarity of bromide anion in the solution. You can assume the volume of the solution doesn't change when the sodium bromide is

*asked on July 26, 2014* -
## math

identify the situation that each graph could represent

*asked on October 16, 2016* -
## Chemistry

Consider the reaction between acetylene, C2H2, and oxygen in a welding torch: If 5.4 moles of acetylene react with sufficient oxygen, how many grams of CO2 will be formed?

*asked on April 6, 2015* -
## Texas History

Emma is conducting a research project on Texas during the 1840s and 1850s. Which keyword search should she use to find information about why slavery grew

*asked on January 8, 2018* -
## algebra

A survey of 70 Customers was taken at a bookstore regarding the types of books purchased. The survey found that 42 customers purchased mysteries, 34 purchased science fiction, 24 purchased romance novels, 18 purchased mysteries and science fiction, 12

*asked on May 25, 2016* -
## Chemistry

Write a balanced overall reaction from these unbalanced half-reactions. Sn->Sn2+ Ag+->Ag Balanced overall equation I got Sn+2Ag+->Sn+2Ag, but its wrong.

*asked on November 20, 2016* -
## math

Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and she fell 6 miles and 551 yards. What is this distance in yards? What is this distance in meters? (round yards to nearest whole number, round meters to one

*asked on September 30, 2015* -
## Chemistry/Math

I'm not sure how to approach this problem. A manometer uses kerosene, specific gravity 0.82 as the fluid. A reading of 5 inches on the manometer is equivalent to how many millimeters of mercury?

*asked on September 17, 2012* -
## Math

when 3g^2-4g+2 is subtracted from 7g^2+5g-1, what is the difference?

*asked on February 28, 2009* -
## math

A basketball player is 6 ft. 4 in. tall and a volleyball player who is 1.75 m. 17. How tall is the basketball player in meters? How tall is the volleyball player in feet? (round to one decimal place)

*asked on September 30, 2015* -
## Math

Water covers approximately 11,800 mi squared of Florida, which is about 18% of Florida's area. What is the total area of Florida to the nearest thousand square miles?

*asked on September 14, 2011* -
## Science

Which structure is less likely to suffer severe damage uring an earthquake: a high-rise, steel-frame hotel built on sediments, or a wood-frame house built on bedrock? Explain.

*asked on March 19, 2009* -
## Algebra

the width w of a rectangular swimming pool is x-2. The area of the playground is x^3-5x^2+2x+8. What is an expression for the length of the playground. x^2+3x+4 x^2+3x-4 x^2-3x+4 x^2-3x-4

*asked on June 2, 2016* -
## Math

There are 1170 students in a school. The ration of girls to boys is 23 : 22. The system below describes..? relationships between the number of girls and the number of boys. g+b=1170 g/b=22/23 a. Solve the proportion for g. b. Solve the system. c. How many

*asked on March 31, 2009* -
## math

A superball is dropped from a height of 2 m and bounces 90% of its original height on each bounce. (a) When it hits the ground for the eighth time, how far has it traveled? (b) How high off the floor is the ball on the eighth bounce?

*asked on June 8, 2012* -
## American History

The economy rebounded in 1897 due to the A. economic policies of President McKinley. B.withdrawal of the Populists from national politics C.discovery of gold in Alaska D. Decline of the general price index. My answer is A

*asked on April 16, 2016* -
## AP Chemistry

Iron has a density of 7.86 g/cm3 and crystallines in a body-centered cubic lattice. Show that only 68% of a body-centered lattice is actually occupied by atoms, and determine the atomic radius of iron.

*asked on November 14, 2009* -
## Math

Megan answered 18 questions correctly on a test. That is 75 percent of the total number of questions. How many questions were on the test?

*asked on April 11, 2017* -
## Math

is the area of a paperback book cover closer to 28 square inches or 28 square centimeters? Tell how you decided.

*asked on April 21, 2015* -
## physics

Speedy Sue, driving at 30.0 m/s enters a one-lane tunnel. She then observes a slow-moving van 155m ahead traveling at 5.00 m/s. Sue applies her brakes but can accelerate only at -2.00m/s/s because the road is wet. Will there be a collision? If yes,

*asked on September 7, 2010* -
## calculus

Skeletal remains had lost 70% of the C-14 they originally contained. Determine the approximate age of the bones. (Assume the half life of carbon-14 is 5730 years. Round your answer to the nearest whole number.)

*asked on March 2, 2014* -
## Physics

A 200g block of copper at 90o C is dropped into 400g of water at 27o C contained in a 300g glass beaker at 27o C. What is the final equilibrium temperature of the mixture? cCu = 0.0924 cal/g°C cglass = 0.2 cal/g°C cwater = 1 cal/g°C

*asked on November 30, 2013* -
## Math

Toni rows a boat 4.5 km/h upstream and then turns around and rows 5.5 km/h back downstream to her starting point. If her total rowing time is 48 min, for how long does she row upstream? you can express your answer to the nearest minute. I don't understand

*asked on January 17, 2009* -
## American History

Joseph Stalin was motivated to sign a nonaggression pact with Hitler. A,the Soviets’ need for economic and military aid B.Stalin’s desire to gain control of Eastern Europe c.Stalin’s sense that he needed to preempt a Nazi invasion. D.The need for an

*asked on April 17, 2016* -
## math

Kate Davidson signed a simple discount note for $9,000. The discount rate is 5%, and the term of the note is 18 months. What is the annual percentage yield (APY)?

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

Israel signed a simple discount promissory note for $15,000. The discount rate is 7.5%, and the term of the note is 120 days. What are Israel’s proceeds on the loan?

*asked on May 6, 2016* -
## Math

The five candidates for mayor in the town Smallville were members of these five parties: conservative, Democrat, Independent, Liberal, and Republican. Their names are Goshen, Hargreaves, Jensen, Liebowitz, and Nelson. From the information given, determine

*asked on October 13, 2015* -
## DESPERATE NEED OF HELP--Chemistry, almost done

Calculating Yield--need some help finishing problem. Almost done, just need help one ONE step, please help!!? Well we did a lab on limiting reagent/reactants. The balanced equation is Sr(NO3)2 + 2KIO3 --> Sr(IO3)2 + 2KNO3 Mols of Sr(NO3)2 used was .005023

*asked on February 28, 2007* -
## Science

the gravitational force between two objects is proportional to the blank of the distance blank

*asked on November 5, 2013* -
## Math

Charles's Law states that at constant pressure, the volume of a fixed amount of gas varies directly with its temperature measured in degrees Kelvin. A gas has a volume of 250 mL at 300 K. what is an equation for the relationship between volume and

*asked on January 24, 2009* -
## Chemistry

An unknown metal has a mass of 4.67g. It is heated to 95.1 C and then placed in a calorimeter that contains 24.3g of water at 21.7 C. The metal and water both reach a final temperature of 24.6 C. What is the specific heat of this metal? What is the unknown

*asked on November 16, 2016* -
## Algebra

Find a mathematical model representing the statement. (Determine the constant of proportionality.) v varies jointly as p and q and inversely as the square of s. (v = 2.1 when p = 4.2, q = 5.4 and s = 2.4.) v =

*asked on November 25, 2014* -
## math

Suppose you have $28.00 in your bank account and start saving $18.25 every week. Your friend has $161.00 in his account and is withdrawing $15 every week. When will your account be the same?

*asked on April 2, 2009* -
## math

For the city park commission, you are designing a marble planter in which to plant flowers. You want the length of the planter to be six times the height and the width of to be three times the height. The sides should be one foot thick. Since the planter

*asked on February 23, 2008* -
## chemistry

Suppose f′′(x)=−36sin(6x) and f′(0)=−5, and f(0)=−3 f(π/3)=?

*asked on November 18, 2016* -
## Government Philosophies

Which statement BEST describes a social contract? A. an implied agreement between citizens and government in which citizens release some liberty to government for the good of society B. a contract between local residents and providers of basic services

*asked on August 20, 2019* -
## Math

eight members of a club will make a paper chain. the chain is 4 feet long. each member will make an equal part. how much of the chain , in feet, will each member make?

*asked on December 9, 2014* -
## math

Suppose you need $2.40 in postage to mail a package to a friend. You have 9 stamps, some $0.20 and some $0.34. How many of each do you need to mail the package? So to solve this problem, I came up with two inequalities: 1. a + b is less than or equal to 9

*asked on April 10, 2009* -
## Chemistry

Is the formation of C2H2 endothermic or exothermic?

*asked on April 3, 2016* -
## Science

Waste produced by people in New York State has been dumped into the Atlantic Ocean, where it is distributed by surface ocean currents. Which coastal area is most likely to become polluted by this waste? A west coast of Mexico B south coast of South America

*asked on February 5, 2009* -
## maths

12 MEN AT A CAMP HAVE FOOD TO LAST 10 DAYS. IF 3 MEN JOIN THE CAMP.HOW LONG WILL THE FOOD LAST?

*asked on March 20, 2013* -
## Language Arts

To this the strategist Odysseus answered: Why is he referred to as "the strategist Odysseus'? “My lady goddess, here is no cause for anger. My quiet Penelope-how well I know- Would seem a shade before your majesty, Death and old age being unknown to you,

*asked on November 13, 2013* -
## chemistry

what is the empirical formula for a compound whose molecular formula is C2Cl6

*asked on October 16, 2010* -
## Physics

I really need help... You are on a treasure hunt and your map says "Walk due west for 52 paces, then walk 29.0° north of west for 39 paces, and finally walk due north for 25 paces." What is the magnitude of the component of your displacement in the

*asked on October 8, 2010* -
## Math

Which ordered pair is a solution of the system of equations y=x^2-x-20 and y=3x-15? a. (-5,-30) b. (-1,-18) c. (0,5) d. (5,-1) When I solved the system of equations I got 5 and -1. What do I do next?

*asked on May 17, 2009* -
## english

Identify the verbal in this sentence as infinitive, gerund or participle. Wearing protective clothing is a good precaution against infection.

*asked on July 27, 2014* -
## Math

A gas tank is 1/4 full. Abby adds 4 gallons and now it is 5/8 full. How many gallons does the tank hold?

*asked on December 11, 2012* -
## Science

Fill in the blank- The gravitational force between two objects is proportional to the ______ of the masses of the objects.

*asked on October 30, 2013* -
## American History

The results of the 2000 presidential election were difficult to determine because of A,Ralph Nader’s third-party candidacy b.both candidates being baby boomers c.voting irregularities in the state of Florida D.he Electoral College votes being evenly

*asked on April 22, 2016* -
## Dine

Men spend an average of 29 minutes per day on weekends and holidays exercising and playing sports. They spend an average of 23 minutes per day reading. A random sample of 25 men resulted in a mean of 35 minutes exercising with a standard deviation of 6.9

*asked on November 10, 2014* -
## chemistry

Balance the following equation: K2CrO4+Na2SO3+HCl--->KCl + Na2SO4+CrCl3+H2O Enter the coefficients for each compound, separated by commas, in the order in which they appear in the equation (e.g., 1,2,3,4,5,6,7).

*asked on November 2, 2012* -
## math

Webster Digital received a promissory note of $8,000 for 9 months at 7% simple interest from one of its customers. After 4 months, the note was discounted at Bank of Aventura at a discount rate of 10%. What are the proceeds Webster Digital will receive

*asked on May 6, 2016* -
## AP Chemistry

Why is HCI added on a drop-by-drop basis to ensure complete precipitation of Group 1 chlorides initially, rather than just added all at once? HCI forms a mixture of AgCI, PbCI2, Hg2CI2

*asked on November 12, 2009* -
## Algebra

Suppose a farmer has 120 feet of fencing to make a rectangular barnyard enclosure. If the enclosure is x feet long, express the area A of the enclosure as a function of the length x.

*asked on June 22, 2009* -
## Physics

A block of mass m1 = 4.1 kg rests on a frictionless horizontal surface. A second block of mass m2 = 1.7 kg hangs from an ideal cord of negligible mass that runs over an ideal pulley and then is connected to the first block. The blocks are released from

*asked on January 25, 2010* -
## psychology

At the age of four months, Zach was excitable and fearful. His dad taped a colorful picture beside the changing table to entertain Zach during diaper changes. Zach overreacted to the picture and became agitated and nervous. During his school years, Zach is

*asked on January 3, 2013* -
## Physics

A penny is dropped from a 50 m high bridge, how fast was the penny moving when it hit the water?

*asked on January 28, 2014* -
## Science

most inferences about the characteristics of earth's mantle and core are based on a. the behavior of seismic waves in earth's interior b. chemical changes in exposed and weathered metamorphic rocks

*asked on March 4, 2009* -
## Science

When 1 gram of liquid water at 0 degrees Celsius freezes to form ice, how many total calories of heat are lost by the water and how do you know? a. 1 b. 0.5 c. 80 d. 540

*asked on June 15, 2009* -
## Science

what is the source of the magma that fuels the island arc complex? a. continental crust b. the subducted plate c. the overrriding plate d. the volcanoes that make up the complex

*asked on March 23, 2009* -
## physics

A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge in rad/s^2.

*asked on November 28, 2010* -
## literature

1. Hopkins's use of "seared," "bleared," and "smeared" is an example of A. metaphor. B. assonance. C. simile. D. alliteration. 2. A villanelle is A. a narrative poem written in blank verse. B. a formal poem using extensive repetition. C. a favorite

*asked on December 9, 2008* -
## Physics

A Jet plane traveling 1800 km/h (500 m/s) pulls out of a dive by moving in an arc of radius 6.00 km. What is the plane’s acceleration in g’s?

*asked on November 20, 2013* -
## Math

How do you solve this question: The cost of 3 markers and 2 pencils is $1.80. The cost of 4 markers and 6 pencils is $2.90. What is the cost of each item?

*asked on May 25, 2009* -
## Math

how do you find the constant of variation k for the direct variation? for example, 4x + -6y. how do you find k?

*asked on January 30, 2009* -
## Math

You go to dinner and decide to leave a 15% tip for the server. You had $45 when you came to tthe restaurant. What is a function that relates the cost of the meal c to the amount of money you have left A(c).

*asked on January 21, 2009* -
## english

There is a text named Adolescent Confusion by Maya Angelou, and I have to write a paragraph about : Most teenagers are, at times, as impulsive and unthinking as Angelou was. Write a narrative about a time during your teenage years when you did something

*asked on September 24, 2016* -
## eng III

Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified in the appropriate boxes below. He responds whenever he is called.

*asked on July 16, 2014* -
## Physics

Why is it that when water is in a bucket and spinning around in a circular motion and then upside down the water in the bucket does not move or spill? Am not sure on what terms to use to explain why this happens

*asked on November 4, 2009* -
## Math

You have a total of 21 coins, all nickels and dimes. The total value is $1.70. Write and solve a system of equations to find the number of dimes d and the number of nickels n that you have. I already wrote the equations: n+d=21 and 10d+5n=1.70. But I don't

*asked on April 20, 2009* -
## Physics

A ball on the end of a string is cleverly revolved at a uniform rate in a vertical circle of radius 85.0cm. If its speed is 4.15 m/s and its mass is 0.300 kg, calculate the tension in the string when the ball is (a) at the top of its path, and (b) at the

*asked on November 20, 2013* -
## Physics HELP!!

A loudspeaker is placed between two observers who are 113m apart, along the line connecting them. If one observer records a sound level of 51.8dB and the other records a sound level of 75.8dB, how far is the speaker from each observer? Enter the longest

*asked on November 30, 2012* -
## Math

Suppose your community has 4512 students this year. The student population is growing 2.5% each year. Write an equation to model the student population. (y=a*b^x)

*asked on April 14, 2009* -
## Math

A movie theater recorded the number of tickets sold daily for a popular movie during the month of June. A box-and-whisker plot represents the number of tickets sold. minimum-100 maximum-8 1st quartile-300 median-400 3rd quartile-600 Which conclusion can be

*asked on June 10, 2009* -
## Math

Point (k,3) lies on the line whose equation is x-2y=-2. What is the value of k? a.-8 b.-6 c.6 d.8

*asked on March 28, 2009* -
## math

What is the annual percentage yield (APY) of a simple discount note for $7,000 at a bank discount rate of 6%, for 3 months?

*asked on May 6, 2016* -
## Physics

Determine the stopping distance for a skier moving down a slope with friction with an initial speed of 20.6m/s. Assume μk=0.178 and θ=5.27.

*asked on October 28, 2012* -
## Math

A farmer grows only sunflowers and flax on his 240-acre farm. This year he wants to plant 80 more acres of sunflowers than that of flax. How many acres of each crop does the farmer need to plant?

*asked on March 30, 2009* -
## Algebra

Identify the property that justifies the statement (5+7)6=30+42 Would this be the distributive property or Inverse Prop of Multi? Kind of confused Thank you

*asked on February 13, 2017* -
## Advanced Accounting

Mr. White (invested $20,000) and Mr. Black (invested $10,000) are in a partnership to run a marketing firm. They share profits and losses in the ratio of 2:1, which is also the ratio of their initial investment in the business. Mr. White manages the office

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

How do you find the answer for this: Pam is playing with red and black marbles. The number of red marbles she has is three more than twice the number of black marbles she has. She has 42 marbles in all. How many red marbles does Pam have? a. 13 b. 15 c. 29

*asked on May 25, 2009* -
## calculus

Find two numbers whose product is 16 and whose sum of squares is minimum

*asked on December 21, 2016*