# 1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work

71,152 questions, page 480-
## science

Hey, holidays is over. Time to get back to work. whats the answer to this one find the concentration of hcl in g hcl/kg Naoh + Hcl---> b +c 2.991 mol 25.00mL Density=0.952g/ml also Hcl=36.46g/mol I got approx 4.58 x 10^3 g/mol of the top of my head

*asked by Jim_R on September 1, 2009* -
## chem

no idea how to do this! Please help! Determine the freezing point of a water solution of fructose( C6H12O6) made by dissolving 59.0 g of fructose in 485g of water. Answer in celcius. Same method outlined for your other post. Post any work if you get stuck.

*asked by Anonymous on May 29, 2007* -
## sci

HELP PLEASE!!!! Write a 700-word paper in APA format that provides an overview of how plate tectonics affects sedimentation. Answer the following questions: o Where do sedimentary rocks originate? o How are they formed? o What are the three categories of

*asked by troyer0269 on January 23, 2009* -
## physics

Energy & Momentum Calculations Assessment Answer the following questions. A 1.0 kg puck sliding at 15 m/s along some horizontal frictionless ice strikes and compresses a horizontal spring attached to one end of the ice rink. If the spring has a constant of

*asked by grey on June 8, 2014* -
## physics

a radiation survey meter observed gamma radiation of 150 mR/hr. The air field ionization chamber has a volume of 580 cubic cm. If the electron generated by the radiation in the chamber are swept out by an electric field, what is the current produced?

*asked by nitz on December 8, 2012* -
## physics

An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.4 s. A passenger in the elevator is holding a 6.3 kg bundle at the end of a vertical chord. what is the tension in the chord as the elevator accelerates? The

*asked by alexa on July 2, 2011* -
## math !!!! :O

Courtney’s mother is a nurse. She came to school to check out posture and out backs. She told us that about 4.6% of children have a problem called scoliosis. There are hundred twenty-five students in our school. If our school is like the average, how

*asked by Lesly on March 7, 2011* -
## physics

An athlete whirls a 7.54 kg hammer tied to the end of a 1.5 m chain in a horizontal circle. The hammer moves at the rate of 1.51 rev/s. What is the centripetal acceleration of the hammer? Assume his arm length is included in the length given for the chain.

*asked by Anonymous on November 29, 2012* -
## physics

An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.4 s. A passenger in the elevator is holding a 6.3 kg bundle at the end of a vertical chord. what is the tension in the chord as the elevator accelerates? The

*asked by alexa on July 3, 2011* -
## Math

24. two stores carry a similar stereo for the same original price of $573. one store offers a 16% discount and the second store sells the stereo for 458.40. which store gives the bigger percent discount? Justify your answer. ( 4 points) I don't understand

*asked by Rose on January 8, 2018* -
## Statistical probability411

Please help. I didn't get the right answer with this before. A mathematics journal has accepted 14 articles for publication. However, due to budget restraints, only 7 articles can be published this month. How many specific ways can the journal editor

*asked by Jennifer W. on May 27, 2013* -
## Math

two functions are defined as follows: f(x)=3/x+1 and g(x)=x-6 a) Write the equations of the vertical and horizonal asymptotes of f. b) Determine the coordinates of the points where f(x) = g(x) Thank you so much for huge help Is ti correct please? answer

*asked by Lucas on May 3, 2014* -
## chemistry

A sample containing 5.20g O2 gas has a volume of 19.0L, pressure and temperature remain constant, Oxygen is released until the volume is 7.00L how many moles of O2 are removed I know i convert 5.20g to moles which give me 0.1625 moles of O2 and i use the

*asked by SHARON on July 24, 2011* -
## Math please help

According to a study conducted by a statistical organization, the proportion of americans who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 105 Americans is obtained. (Please answer the below and round

*asked by LADO on December 3, 2014* -
## math

HELP!! the area A of the circle in the figure can be represented by A(r)=pi,r^2 where r is the radius what are the resonable domain and range for each function? explain the problme before this made me make a equation of B(r)=5^2-pi,r^2 im not sure if there

*asked by paul on November 3, 2010* -
## math write in sql

Display the list of all departments, with the total number of instructors in each department, without using scalar subqueries. make sure to correctly handle departments with no instructors. Is this the right answer: select department.dept_name from

*asked by joe on July 23, 2011* -
## Physics

Just before landing on mars, a spaceshuttle turns on its retroengine and eventually comes to a complete stop 15 meters above the planets surface. It then drops freely down to the surface. How long does it take to fall to the surface.What is the impact

*asked by Chloe on January 11, 2009* -
## PROBABILITY

FIND THE PROBABILITY OF DRAWING AT LEAST ONE CLUB WHEN YOU DRAW CARDS FROM A STANDAD 52-CARD DECK 52 TIMES; ASSUME YOU REPLACE THE CARD EAC TIMEYOU DRAW, SO THERE ARE ALWAYS 52 CARDS O DRAW FROM. LIST THE APPROPRIE FORMULA, TEN COMPUTE YOUR ANSWER.

*asked by SNOOPY on April 17, 2008* -
## math

The bottom portion of a loading bin is cone shaped. The base radius of this part of the bin is 3.5 feet and the slant height is 6.5 feet. What is the capacity and lateral surface area of this part of the bin? Round your answer to the nearest hundredth.

*asked by lex on April 24, 2014* -
## Physics

A wire with a circular cross section and a resistance R is lengthened to 3.77 times its original length by pulling it through a small hole. After being pulled through the hole, the total volume of the wire is unchanged. Find the resistance of the wire

*asked by Aj on October 31, 2012* -
## physics

An athlete whirls a 7.54 kg hammer tied to the end of a 1.5 m chain in a horizontal circle. The hammer moves at the rate of 1.51 rev/s. What is the centripetal acceleration of the hammer? Assume his arm length is included in the length given for the chain.

*asked by Anonymous on November 29, 2012* -
## calculus

Suppose R is the rectangle 1

*asked by Bryant on March 18, 2012* -
## Chemistry 12

The molar heat of vaporization of water is 42 kJ/mol. How much energy is released by the condensation of 3.0 g of water? So for water there will just be one mol. I think this is how you do it, but it doesn't match the answer in the worksheet. q=mc delta t

*asked by Rachel on December 10, 2015* -
## Physics

A walker's speed, v, is proportional to the ratio of his leg length, L, and the period of the repeating motion of his legs, T, that is, v ∝ L/T. If the period is measured to be proportional to Lp, where p = 3/5, what power of L must the speed be

*asked by Jen on October 27, 2015* -
## Physics

Just before landing on mars, a spaceshuttle turns on its retroengine and eventually comes to a complete stop 15 meters above the planets surface. It then drops freely down to the surface. How long does it take to fall to the surface.What is the impact

*asked by Chloe on January 11, 2009* -
## math

Here is the question: a ball is dropped from a height of 3m and bounces on the ground . At the top of each bounce, the ball eaches 60% of its previous height. Calculate the total distance travelled by the ball when it hits the ground for the fifth time? I

*asked by zach on January 16, 2017* -
## physics

Pete slides a crate up a ramp at an angle of 25◦ by exerting a 290 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is 0.28. How much work did Pete do when the crate was raised a vertical distance of 2.24 m?

*asked by andres on October 14, 2013* -
## Physics

Question Part Points Submissions Used A hockey puck is hit on a frozen lake and starts moving with a speed of 12.90 m/s. Exactly 6.7 s later, its speed is 6.70 m/s. (a) What is the puck's average acceleration? Incorrect: Your answer is incorrect. m/s2 (b)

*asked by Cameron on October 6, 2014* -
## Science!

An oven is a technological system. Which of the following describes an input into this system? A. Setting the temperature B. Burning gas releases heat. C. A thermostat monitors the temperature and increases the gas flow when the temperature falls too low.

*asked by Daisy on September 9, 2014* -
## physics

A 4.1 kg object hangs at one end of a rope that is attached to a support on a railroad beoxcar. When the car accelerates to the right,the rope makes an angle of 37 degrees with the vertical. The acceleration of gravity is 9.8 m/s^2. Find the acceleratino

*asked by alexa on July 12, 2011* -
## math

A student claims that if a fair coin is tossed and comes up heads 5 times in a row, then, according to the law of averages, the probability of tails on the next toss is greater than the probability of heads. What is your reply? would this be the answer No

*asked by crystal on April 21, 2010* -
## math.

Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x) = -5x^2 + 21x. The cost functiom C(x) = 2x + 10 is the cost of producing the shorts. A) How many pairs of shorts must the company sell in order to break

*asked by Jessica on March 25, 2015* -
## Chemistry

A hot lump of 25.6 g of aluminum at an initial temperature of 57.4 °C is placed in 50.0 mL of H2O initially at 25.0 °C and allowed to reach thermal equilibrium. What is the final temperature of the aluminum and water given that the specific heat of

*asked by Joseoh on October 12, 2016* -
## dog behavior re post

please check my answer thanks so much Which of the following best describes when extinction occurs A When a CS is repeatedly prsented and periodically followed ba a US B When a CS is repeatedly presented without the prsention of a US C CS and US are

*asked by Anne on June 17, 2008* -
## Easy Math??

The stock that Mr. Ames bought cost him $80 a share. The par value of the stock is $100. If the stock pays $6 a year in dividends, what rate of interest is Mr. Ames getting on his money? A.16 2/3% B.7 1/2% C.3% D.6% E.None of the above Personally, what

*asked by Ryan on July 29, 2015* -
## analogies

I need help with this analogy. person:unimportant::idea: sporadic, reticent, trivial, quiescent, or raucous I have no idea what the answer is!! Help me!! trivial. Now why, that is important. Hint: what do unimportant and trivial have to do with each other

*asked by Megan on April 3, 2007* -
## chemistry

LAST QUESTION: When solid NH4NO3 decomposes, a mixture of gases is obtained: 2 NH4NO3(s)--> 4H2O(g) + O2(g) + 2 N2(g) In an experiment, 5.02 g NH4NO3 decomposes completely in a rigid 5.00-L container. What is the total pressure in the container if the

*asked by jin on February 24, 2014* -
## Precalc Math

The question says express each repeating decimal as a fraction: 5.23232323 This is my work but my answer doesn't seem right: 100x= 523.23232323 - 10x= 52.23232323 90x= 470.909090 / 90x. \90x x= 5.23232323 What am I doing wrong? And how am I suppose to know

*asked by Diana on September 3, 2015* -
## grade 9 GEOGRAPHY

I posted a question earlier about the sensitive tourist I am a little confused on what the question is asking exactly. "Sensitve tourist" suggestions so that visitors can minimize their impact on the local environment and community. My paper is on the

*asked by peyton on November 29, 2010* -
## Chemistry

A sample of 5.61 grams of NaOH is dissolved into 627 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.16 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

*asked by Anonymous on November 23, 2015* -
## Chemistry

A sample of 8 grams of NaOH is dissolved into 599 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 1.68 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

*asked by Susan on May 13, 2014* -
## chemistry

Light with a wavelength of 405 nm fell on a strontium surface, and electrons were ejected. If the speed of an ejected electron is 3.49 105 m/s, what energy was expended in removing the electron from the metal? Express the answer in joules (per electron)

*asked by Emily on November 7, 2010* -
## chemistry

We add excess Na2CrO4 solution to 27.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.420 grams. What is the molarity of the AgNO3 solution? Answer in

*asked by cheri on September 19, 2012* -
## Algebra 2 help...

A half life of a certain radioactive is 36 days. An initial amount of the material has a mass of 487 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 5 days. Round your answer to the

*asked by Maria on January 10, 2014* -
## chemistry

Which of the following is not true in a dynamic equillibrium describing a saturated solution? Choose one answer. a. solid crystalizes from solution b. solid dissolves in the solution c. concentration of dissolved solute remain constant d. rate of

*asked by CC on February 10, 2010* -
## Math

1. Does the graph represent linear relationship? Why or why not? 2. Are the slopes of the lines the same or different? How can you tell? 3. Is the statement true: Line P has a greater slope than line Q -true -false 4. How many solutions does this system

*asked by Lilly on March 14, 2018* -
## statistics

8.value: 10.00 points The fracture strength of a certain type of manufactured glass is normally distributed with a mean of 509 MPa with a standard deviation of 17 MPa. (a) What is the probability that a randomly chosen sample of glass will break at less

*asked by Anonymous on May 2, 2015* -
## physics

As part of a kinetic sculpture, a 5.6 kg hoop with a radius of 3.8 m rolls without slipping. If the hoop is given an angular speed of 2.1 rad/s while rolling on the horizontal and then rolls up a ramp inclined at 17.7◦ with the horizontal, how far does

*asked by morg on November 9, 2014* -
## Chemistry (titrations)

15.00 mL of 0.01200 M EDTA were used to titrate 50 mL aliquot solution containing iron (II). How much iron (II) is present in the solution? The answer in the book is 201 ppm. I tried getting the moles of EDTA (n,EDTA = 1.8 x 10^-4 mol). I think they're in

*asked by Nina on March 15, 2014* -
## science

A sample of 8 grams of NaOH is dissolved into 599 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 1.68 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

*asked by Susan on May 13, 2014* -
## meteorolgy

Outdoors, the air temperature is 5 °C (44 °F) and the relative humidity is 45%. What is the relative humidity of the air if it is drawn indoors and heated to 20 °C (68 °F)? Assume that no water vapor is added to or removed from the air. Answer:

*asked by Anonymous on June 15, 2011* -
## physics

A moving particle encounters an external electric field that decreases its kinetic energy from 9530 eV to 7800 eV as the particle moves from position A to position B. The electric potential at A is -69.0 V, and that at B is +39.0 V. Determine the charge of

*asked by Mike on February 1, 2012* -
## physics

A block of mass 2.5 kg is pushed up against the vertical wall by a force of 60 N acting at 47◦ to the ceiling. The coefficient of kinetic friction between the block and the wall is 0.67. The acceleration of gravity is 9.8 m/s2 . Find the work done by

*asked by Kaylee on June 27, 2014* -
## budgeting

John's gross income is $1,000 per month. Based on an assumption that 25% of his gross income will be withheld, he can expect his disposable (spendable) income to be _______ per month. A. $650 B. $750 C. $850 D. $950 help I am not sure on this I am lost

*asked by Luke on May 16, 2013* -
## Repost- Calculus; someone please help

Please help out. Thank you. A right triangle has one leg on the x-axis. The vertex at the right end of that leg is at the point (3,0). The other vertex touches the graph os y=e^x. the entire triangle is to lie in the first quadrant. Find the maximum area

*asked by Amanda E. on February 9, 2011* -
## math

hi, could someone please help me solve this problem, i know the answer is 24, i just need to know how to solve it. a "lucky dollar" is one of nine symbols on each reel of a slot machine with three reels. a player receives one of the various payouts

*asked by kelly on February 19, 2009* -
## statistics

I am working on a problem in which you've helped someone else on a z-score percentile problem. I have my z-score and my number from the z-table. I'm trying to input it correct in spss but I'm not sure how to set it up. This is what I have so far...

*asked by Tina on February 2, 2012* -
## physics, how to find the height

On the surface of a planet an object is thrown vertically upward with an initial speed of 60 m/s. use a conservation of energy approach to determine the object's speed when the object is at a quarter of it's maximum height. (assume the planet has no

*asked by Isabelle on November 26, 2014* -
## Psychology

In Classical conditioning the response is typically_______, whereas in operant conditioning the response_______ the environment. A. Learned; has a neutral effect on B. Unconditional; is reflexive in C. Reflexive; Produce effects on D. Conditional;

*asked by Rena on January 25, 2011* -
## the excetional child

could you check my answer please. a ssecere loss of hearing in a young child: a. is less detrimental to development than loss of vision. b. is more detramental than loss of vision. c. requires education in separate facility for all school years. d. should

*asked by tonia on November 8, 2012* -
## Math

The question says express each repeating decimal as a fraction: 5.23232323 This is my work but my answer doesn't seem right: 100x= 523.23232323 - 10x= 52.23232323 90x= 470.909090 / 90x. \90x x= 5.23232323 What am I doing wrong? And how am I suppose to know

*asked by Diana on September 3, 2015* -
## Trigonometry

A ladder that is 15 feet long is placed so that it reaches from level ground to the top of a vertical wall that is 13 feet high A. Use the law of sines to find the angle that the ladder makes with the ground to the nearest hundredth B. Is more than one

*asked by Melissa on March 27, 2012* -
## Chemistry

The law of conservation of mass states that no change is observed in the total mass of the substances involved in a chemical change. Thus the mass of the sulfur dioxide produced is the same amount as the sulfur and oxygen that went in. Does this sound

*asked by Josh on October 5, 2010* -
## physics

A 0.027 kg golf ball moving at 16.8 m/s crashes through the window of a house in 4.6 × 10−4 s. After the crash, the ball contin- ues in the same direction with a speed of 12.0 m/s. Assuming the force exerted on the ball by the window was constant, what

*asked by Orlando on November 6, 2014* -
## math

Today the center city baseball team scored 5 runs. The day before yesterday they scored w runs. How many runs did they score in these two days? write the answer to the problem as an algebraic expression. I have 5+w. I thought the part about two days didnt'

*asked by Kay Kay on December 27, 2009* -
## math

Problem: A ball is dropped from the top of a building that is 250 feet tall. The height h of the ball in feet after t seconds is modeled by the function h = -16t2 +250. How long will it take for the ball to reach the ground? Round your answer to the

*asked by michelle on January 13, 2015* -
## Math

There are 35 marbels in a bag: 9 blue marbels, 8 green marbels, 4 red marbels, 8 white marbels, and 6 yellow marbels. Find P(red). Write the probability as a fraction in simplest form, a decimal, and a percent. A. 4\31,0.129,12.9% B. 4\35,0.114,11.4% C.

*asked by Kanani on April 7, 2015* -
## Physics Help Please

Suppose a 65-kg person can run 1000m in 5min. Assume that each stride is 1.5m long, and with each stride the runner must supply an amount of energy equal to her kinetic energy. How much energy (in food calories) is required to run 1km? Is your answer

*asked by Haylee on January 29, 2012* -
## math

HOW should i start this im confused. The theater arts committee estimated that it would sell 200 tickets for its upcoming play. The committee actually sold 224 tickets. What was the percent error in the committee’s estimate? Round your answer to the

*asked by anna on May 12, 2016* -
## math

The area of a circle is found with the formula A =〖πr〗^2, where π represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet?

*asked by Hannah on October 1, 2014* -
## English

In what way does third section of “In Memory of W. B. Yeats” reflect the tension of the decade in which it was written? A. The section describes the hatred growing among nations. B. The section describes how contemporary people differ from their

*asked by Emi on April 13, 2015* -
## AP CHEMISTRY

What is the of a solution obtained by dissolving two extra-strength aspirin tablets, containing 594 of acetylsalicylic acid each, in 202 of water? The active ingredient in aspirin is acetylsalicylic acid , a monoprotic acid with Ka=3.3*10^-4 at 25 C. Can

*asked by Amber on January 2, 2013* -
## Algebra 2

Yuki wants to make a reduced-size of a drawing. The original drawing is 14 inches long.Yuki's copier can only reduce by 75% . Find the length of a copy after Yuki reduced it 4 times at 75% each time. Round your answer to the nearest hundredth of an inch.

*asked by Sam Joseph on March 10, 2016* -
## AP Chemistry

We add excess Na2CrO4 solution to 68.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.270 grams. What is the molarity of the AgNO3 solution? Answer in

*asked by Gabriella on September 11, 2013* -
## physics

An athlete whirls a 7.54 kg hammer tied to the end of a 1.5 m chain in a horizontal circle. The hammer moves at the rate of 1.51 rev/s. What is the centripetal acceleration of the hammer? Assume his arm length is included in the length given for the chain.

*asked by Anonymous on November 29, 2012* -
## Statistical

A botany student counted 11 blades of grass in one square centimeter of lawn and measured the lawn as a rectangle 61 m by 31 m. She reported that there were 208,010,000 blades of grass in the lawn. The precision of her conclusion: the answer is A.

*asked by Michael on November 4, 2014* -
## Chemistry

A sample of 6.41 grams of NaOH is dissolved into 675 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.28 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

*asked by Scott on March 22, 2011* -
## Geography

Write a 700-word paper in APA format that provides an overview of how plate tectonics affects sedimentation. Answer the following questions: o Where do sedimentary rocks originate? o How are they formed? o What are the three categories of sedimentary

*asked by Davey on October 25, 2009* -
## chemistry

How can i explain the electron configuration for silcon. I Know it's [Ne].3s2.3p2 but how do i explain it. Si has 14 electrons. The fill by low energy level to higher is 1s2, 2s2, 2p6, 3s2, 3p2 I don't know what else there is to explain. If this isn't the

*asked by Bryan on November 11, 2006* -
## physics

A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 40.0 vibrations in 30.0 s. A given crest of the wave travels 425 cm along the rope in a period of 10.0 s.What is the wavelength? Show all of your work plz. i know

*asked by Anonymous on May 11, 2011* -
## HELPPPPP

so im done with everything except fro this question : A(n) 2.3 kg object moving with a speed of 8.6 m/s collides with a(n) 4 kg object moving with a velocity of 8.8 m/s in a direction39.0135◦ from the initial direction of motion mof the 2.3 kg

*asked by dan on October 27, 2010* -
## Psychology

In Classical conditioning the response is typically_______, whereas in operant conditioning the response_______ the environment. A. Learned; has a neutral effect on B. Unconditional; is reflexive in C. Reflexive; Produce effects on D. Conditional;

*asked by Rena on February 28, 2011* -
## Sociology

What does the author think best explains the number of lower-class offenders in the criminal justice system? a) They have higher offending rates. b) They have higher rates of recidivism. c) There are both disparities in crime rates and discrimination in

*asked by Tammy on November 11, 2012* -
## physics

Suppose a 65-kg person can run 1000m in 5min. Assume that each stride is 1.5m long, and with each stride the runner must supply an amount of energy equal to her kinetic energy. How much energy (in food calories) is required to run 1km? Is your answer

*asked by Hayli on January 29, 2012* -
## Science

What percent of water is not easily accessible or usable on earth? *A. .6% B. 12.5% C. 50% D. 99% Subtract the answer from the last question from 100%. What does the remainder represent and what are the sources of this percentage of water? A. 97% rivers

*asked by Cassie on October 30, 2013* -
## Math

1. What is the name of the ray that is opposite of ray BA? Description of the ray. It's a straight line with the points A B C D all in a row. A) Ray BD B) Ray BA C) Ray CA D) Ray DA This doesn't make sense. I thought that CD would be opposite of BA. But

*asked by Tim on September 14, 2015* -
## chemistry HELP

Use the following information to identify element A and compound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a

*asked by sonya on October 29, 2006* -
## world geography

2. What was Mustafa Ataturk's contribution to modern Turkey? A.He began the process of turning Turkey into a modernized, secular state. B. He was instrumental in policy changes that gave Turkey membership in NATO. C. He breathed new vitality into Turkish

*asked by mariy on February 24, 2014* -
## Physics

1)Several resistors are connected in parallel. If a battery provides constant voltage in this circuit the addition of another resistor in parallel a)increases current through each resistor b)decreases current through each resistor c)doesn't affect the

*asked by Andrea on April 5, 2008* -
## Language Arts

In which sentence is the word roam used correctly? A. I used the map to figure out the quickest route we could roam to our destination. B. Audrey can't figure out how to work the roam feature on her motorcycle. C. When I need to think, I roam around the

*asked by Callie on January 23, 2015* -
## chemistry

If BH3 formed the trigonal planar molecule shown in the image below, which statement would best describe BH3? A. Boron does not contain a complete octet of electrons. B. BH3 would orient in an electric field. C. BH3 is a polar molecule. D. BH3 forms four

*asked by Morgan on February 18, 2015* -
## Science

Refracting telescopes use lenses. Reflecting telescopes use mirrors. However, both types of telescopes have something in common. How are both types of telescopes similar? A)They both magnify tiny nearby objects. B)They both reflect light that enters the

*asked by Mark on April 4, 2016* -
## calculus

Leave any unneeded answer spaces blank. [Hint: use synthetic division to solve.] f(x) = (1x^3 - 3x^2 - 25x + 75)/(1x^3 - 19x^2 + 118x - 240) the roots of f(x), in increasing order is/are.... ___, ___, ___ f(x) has holes when x is... ___, ___, ___ f(x)has

*asked by gloria on June 3, 2012* -
## chemistry

The tail of A vector is fixed to the origen of an X, Y axis system.Originally the vector points along the X axis. As time passes, the vector rotates counterclockwise. Describe how the sizes of the X and Y components of the vector compare to the size of the

*asked by anonymous on February 6, 2007* -
## physics help please!

The motion of a piston in an auto engine is simple harmonic. The piston travels back and forth over a distance of 23 cm, and the piston has a mass of 1.7 kg. 2515 rpm 23 cm max speed of the piston 30.28757 m/s What is the maximum force acting on the piston

*asked by michelle on December 6, 2012* -
## College Physics

A rod of mass 4.3 kg and length 4.3 m hangs from a hinge as shown in Figure P9.28. The end of the rod is then given a “kick” so that it is moving at a speed of 2.3 m/s. How high will the rod swing? Express your answer in terms of the angle (in degree)

*asked by Anon on October 18, 2011* -
## high school physics static friction

The system shown below is in equilibrium. Using the fact that block A is placed on a table, has a normal force of 40.2 N and it is not moving, what is the coefficient of static friction on block A? I know you can't answer this but if you have any

*asked by Jess on December 8, 2010* -
## History

7.)Which answer best describes the U.S. National Road? A.)It ran from Atlanta to Baltimore and followed the railroad. B.)It ran from New York to Chicago and was made from wooden planks. C.)It ran from Massachusetts to Ohio and ran parallel to the canal

*asked by YRN DJ on January 31, 2016* -
## MATH

The value V of a machine t years after it is purchased is inversely proportional to the square root of t+2. The initial value of the machine is $10,000. Find the rate of depreciation when t=5 . Round your answer to two decimal places. A. -381.80 PER YEAR

*asked by Roger on September 19, 2011* -
## Physics

A 0.56-kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.13 to 0.26 m (relative to its unstrained length), the speed of the sphere decreases from 5.45 to 4.90 m/s. What is the spring constant of the spring? (The

*asked by Elizabeth on November 30, 2012*

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