# rebecca

Popular questions and responses by rebecca-
## english

what are some poetic devices used in the following poem? "Mending Wall" by Robert Frost Something there is that doesn’t love a wall, That sends the frozen-ground-swell under it And spills the upper boulders in the sun, And makes gaps even two can pass

*asked on November 7, 2010* -
## math

If is a line whose equation is y = 2x- 1, find the equation of the image of under each of the following translations:(x, y) S (x +3, y)

*asked on February 27, 2010* -
## Maths

Find the sum of the following series: 1024 - 512 + 256 - 128 +...+ 1 So a = 1024, r = -0.5, but I need to know what n is in order to use the formula. So I tried ar^(n-1) which is: 1024(-0.5)^n-1 = 1 but I don't know how to find n from there. Thanks in

*asked on April 7, 2016* -
## grade 10 math

Chris has $3.85 in dimes and quarters. There are 25 coins in all. How many of each type of coin does he have? If d represents the number of dimes and q represents the number of quarters, what two equations describe the problem?

*asked on March 10, 2011* -
## Chemistry

Given the following half-reactions and associated standard reduction potentials: AuBr−4(aq)+3e−→Au(s)+4Br−(aq) E∘red=−0.858V Eu3+(aq)+e−→Eu2+(aq) E∘red=−0.43V IO−(aq)+H2O(l)+2e−→I−(aq)+2OH−(aq) E∘red=+0.49V

*asked on April 14, 2014* -
## math

Find the area of the regular polygon. Round your answer to the nearest tenth. the individual sides are 10 the radius is 13.07

*asked on May 4, 2013* -
## Math

A construction crew wants to hoist a heavy beam so that it is standing up straight. They tie a rope to the beam, secure the base, and pull the rope through a pulley to raise one end of the beam from the ground. When the beam makes an angle of 40 degrees

*asked on April 16, 2015* -
## Grade 12 Data Management

There are 12 questions on an examination, and each student must answer 8 questions including at least 4 of the first 5 questions. How many different combinations of questions could a student choose to answer?

*asked on September 27, 2011* -
## History

1) Which of the following best describes Affirmative Action? a) It was a way to fight corruption within the US government. b) The actions taken to instill new anti immigration laws. c) Of solving economic and educational discrimination. d) Of solely

*asked on May 13, 2015* -
## Calculus

A wire 60 cm long is to be cut into two pieces. One of the pieces will be bent into the shape of a square and the other into the shape of an equilateral triangle, as shown in the diagram below: a diagram showing a 60 cm wire cut into two pieces of length x

*asked on July 19, 2019* -
## math

The first ancient olympic games were held in 776 b.c. the ancient games were abolished in 393 a.d. The first modern olympics were held in 1896 a.d. a) How many years were there between the firstancient games and the year they were abolished? b) How many

*asked on May 7, 2009* -
## Vectors

A 80-N force is applied to the end of a 50-cm wrench and makes an angle of 45° with the handle of the wrench. a) What is the torque on a bolt at the other end of the wrench? b) What is the maximum torque that can be exerted by a 100-N force on this wrench

*asked on July 19, 2019* -
## Math

Nissan Appliances bought three dozen camcorders at a cost of $5,040. The markup on the camcorders is 30% of the selling price. What was the original selling price of each camcorder?

*asked on February 22, 2014* -
## Chemistry

A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). What is the emf for this cell when [Fe3+]= 3.70M , PH2= 0.95atm , [Fe2+]= 7.0×10−4M , and the pH in both compartments is 4.05? Express your answer using two significant

*asked on April 14, 2014* -
## chemistry

using VSEPR THEORY explain why 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule help Dr bob222

*asked on December 16, 2011* -
## math

1.A flywheel is rotating at 7 rad/sec. It has a 15-cm diameter. What is the speed of a point on its rim, in cm/min? 2.A wheel is rotating at 3 radians/sec. The wheel has a 30 cm radius. What is the speed of a point on its rim, in m/min? 3.What is the

*asked on January 14, 2019* -
## Chemistry

Consider equation 3A+B=C+D. You react 4 moles of A with 2 moles of B. Which of the following is true? 1) Limiting reactant (L.R.) is one with higher molar mass 2) A is L.R. because you need 6 moles of A and have only 4 moles 3) B is L.R. because you have

*asked on February 1, 2017* -
## Chemistry

You can purchase hydrochloric acid in a concentrated form that is 37.0 hcl by mass and has a density of 1.20g/mL. Describe how exactly you would prepare 2.85 L of 0.500 M HCL from the concentrated solution.

*asked on May 7, 2014* -
## Chemistry

How many grams of H2O are required to react with excess CaC2 to produce 23.0 g of C2H2 according to the following equation? CaC2 + 2H2O -> Ca(OH)2 + C2H2 a.4.5 b.15.9 c.31.8 d.1.766 I think this equation works out by multiplying 2 moles by the molar mass

*asked on October 27, 2016* -
## Critical thinking

I'm having trouble rewriting the ambiguous sentences. I have answered them but i'm not sure that they are right. 2. Please close the door behind you. My answer: Please close the door that is behind you. 3. we heard that he informed you of what he said in

*asked on June 15, 2012* -
## English Check answers

Transportation Strike Disrupts Westridge Thousands unable to get to work or school WESTRIDGE, Ohio—More than 600 transportation employees went on strike at midnight last night after the Westridge City Council rejected their demand for a 10% pay increase.

*asked on June 30, 2016* -
## World Civilization

1. In 1789, the National Assembly revoked the privileges of the aristocracy. This occurred in reaction to A. a peasant uprising. B. Louis XVI's withdrawal of troops from Paris. C. discontent among the poor people of Paris. D. the storming of the Bastille

*asked on April 11, 2014* -
## math

The perimeter of the small square is one-third the perimeter of the large square. What are the side lengths of the squares? small square side = x large square side = x + 2

*asked on March 31, 2010* -
## Math

The owner of the Good Deals Store opens a new store across town. For the new store, the owner estimates that, during business hours, an average of 90 shoppers per hour enter the store and each of them stays an average of 12 minutes. The average number of

*asked on September 28, 2018* -
## History

Why did Ho Chi Minh lead a resistance against France? a) He sought Vietnam’s independence. b) He wanted to control the country. c) He wanted more foreign influence and control other than France. d) He desired to keep French rulers in the Vietnam but

*asked on May 12, 2015* -
## 7th Grade Math

At 9:00 on Saturday morning, two bicyclists heading in opposite directions pass each other on a bicycle path. The bicyclist heading north is riding 5 km/hour faster than the bicyclist heading south. At 10:30, they are 40.5 km apart. find both of their

*asked on January 4, 2012* -
## #3 Fitness (Check answers)

1) The first step in the decision-making process is to brainstorm all possibilities (my answer) evaluate the result act realize there is a problem 2) Evidence that you have accomplished a goal is an example of which step in the SMART goal method? specific

*asked on April 25, 2016* -
## Rational Functions

Write an equation for a rational function whose graph has the following properties: x-intercept of 3 y-intercept of -3 vertical asymptote of x=-2 horizontal asymptote of y=2

*asked on October 6, 2014* -
## Chemistry

Hello! I really need help with this. Name the following salts according to the old -ic, -ous system and the stock system. a. CrS b. Cr2O3 c. CrI3 X 6H20 d. CuCl e. CuI2 f. CuBr2 x 4H20 g. HgCl2 h. Hg2Cl2 i. Fe (OH)3 I am totally lost. I don't know how to

*asked on September 29, 2015* -
## Medical

Can some one please tell me all the: adjectives adverbs conjunctions nouns prepositions pronouns verbs - in this paragraph? please! Thank you. The patient was brought to the operating room and Bier block anesthesia was performed. The right upper extremity

*asked on February 2, 2015* -
## density

Suppose two worlds, each having mass M and radius R, coalesce into a single world. Due to gravitational contraction, the combined world has a radius of only 3/4R. What is the average density of the combined world as a multiple of p0, the average density of

*asked on December 1, 2013* -
## Physics

A particle starts at the origin at t=0 with an intial velocity of 5.0m/s along the positive x axis. If the acceleration is (-3.0,4.5) m/s^2, determine the velocity and position of the particle at the moment it reaches its maximum x coordinate. You can't

*asked on September 6, 2013* -
## 11Science

A young boy needs a bone marrow transplant, which requires a closely matching genetic donor. Who would be an ideal donor?

*asked on February 15, 2012* -
## Functions

What is the purpose of division of polynomials?

*asked on October 13, 2011* -
## algebra

One side of a triangle is 6 meters more than twice the shortest side. The perimeter is 75 meters. Find all three sides.

*asked on June 14, 2011* -
## statistics

A company manufactures calculators in batches of 64 and there is a 5% rate of defects. What is the standard deviation for the number of defects per batch?

*asked on October 15, 2010* -
## MATH214

Solve each of the following systems, if possible. Indicate whether the system has a unique solution, infinitely many solutions or no solution. (a) 3y = x – 10 y = x – 2 (b)x + y = 5 3x + 3y = 15

*asked on March 9, 2010* -
## chemistry

What charge would most likely form on an ion from elements in the following groups? a) Group 1A b) Group 2A c) Group 6A d) Group 7A

*asked on January 10, 2009* -
## math againn (converting decimals)

Write 6.4% as a decimal and as a fraction. Write 2 and one fourth as a decimal and as a percent. To convert from percent to decimal simpoy divide by 100. 6.4% = 0.064. To convert to fraction (do you want a mixed fraction or not? and percent or not?). For a

*asked on August 22, 2006* -
## conclusions - check answer

Which of the following is a true statement about writing introductions of rough drafts? A. Do not worry about the central point of your essay; it will happen later on as you revise your paper. (MY ANSWER) B. Pay close attention to the correct spelling of

*asked on July 5, 2016* -
## math

How many 3 digit numbers can be formed from the digits 2,3,5,6,7 and 9 which are divisible by 5 and none of the digits is repeated?

*asked on January 13, 2016* -
## History

1) How was Nixon appeal to Middle America a strategized? a) He tried aggressively to gain the majority of his support for protesters and aimed his campaigns towards them. b) He highlighted the salient issues that plagued and concerned many less outspoken

*asked on May 13, 2015* -
## History

Why was Vietnam key to the US taming communism in Asia? a) None of these answers b) Vietnam and the US had strong economic ties that both countries allocated throughout other countries in Asia. c) Vietnam was a major supplier of rice into the United

*asked on May 12, 2015* -
## Contrasting East & West

1. In 1938, British Prime Minister Chamberlain declared a final act of appeasement A. after Hitler attacked Poland. B. when Hitler's claim on the Sudetenland was accepted. C. immediately following the Nazi occupation of Austria. D. after Hitler's forces

*asked on April 11, 2014* -
## Biology HELP

How would the production of gelatinase help a pathogen be more virulent?

*asked on April 7, 2013* -
## statistics

Can a student keep up their grade performance at the next level? Is a strong GPA at the Bachelors level a good predictor of a strong GPA at the Masters level, or are GPAs naturally going to decline since graduate school is tougher, or will GPAs

*asked on December 29, 2012* -
## Chemistry

The radius of a chromium atom is 125 pm. How many chromium atoms would have to be laid side by side to span a distance of 4.14 mm?

*asked on September 17, 2012* -
## 11Science

Using scientific concepts, explain how can you have your grandfather's eyes and your grandmother's nose.

*asked on February 15, 2012* -
## Calculus 2

Find c>0 such that the area of the region enclosed by the parabolas y=x^2−c^2 and y=c^2−x^2 is 90.

*asked on February 10, 2012* -
## physics

What is a cross sectional area of a bridge and does it affect the length of a bridge?

*asked on June 27, 2010* -
## chemistry

What is the explanation for the discrete lines in atomic emission spectra?

*asked on January 12, 2009* -
## Chemistry

Hello.Need your help guys.Burning 2g of vitamin c yields 3g and 0.82g of CO and water respectively.What is the empirical formula of vitamin c and molecular mass if the molar mass is 264g/mol?

*asked on September 24, 2017* -
## Math 104

A belt connects two pulleys with radii 2 in and 4 in.. The velocity of point A on the belt is 25 ft/sec. What is the linear velocity and angular velocity for point B? What is the linear velocity and angular velocity for point C?

*asked on September 15, 2015* -
## Math

The entire can needs to be painted, including the top and bottom. If the diameter of the lid (x) is 5 cm, and the height of the can (y) is 9 cm, what is the approximate total surface area that will need to be painted?

*asked on June 17, 2014* -
## math

Quadrilateral ABCD has a perimeter of 26 and sides of integer lengths. If AB=m and BC=CD=DA=n, then what is the difference between the greatest and least possible values of n? A) 7 B) 6 C) 5 D) 4 E) 3

*asked on September 14, 2013* -
## Statistics

MBA_GPA BS GPA 2.82 3.05 3.49 3.45 3.28 3.5 3.25 3.55 3.26 3.3 2.87 3.05 3.16 3.35 3.4 3.35 2.84 3.05 3.72 3.7 3.22 3.5 3.44 3.55 3.65 3.9 3.02 3.3 3.03 3.25 3.8 3.8 3.23 3.5 3.26 3.5 3.53 3.75 3.75 3.9 3.15 3.2 3.66 3.75 3.36 3.45 3.79 3.85 2.85 3.05 3.74

*asked on December 29, 2012* -
## physics

How could the age of this asteroid fragment be determined?

*asked on February 29, 2012* -
## Psychology

How does lying about financial statistics relate to anthropology? Would these facts make sense? This may be part of the larger picture of the growing disparity between the rich and poor in our society. Not only does that fact have to be covered over, those

*asked on December 11, 2011* -
## Astronomy

The average distance between the Earth and the Sun is called the astronomical unit (AU), which is about 150 million km (1.5 x 108 km). Jupiter is 780 million km from the sun. a) How far is Jupiter from the sun in astronomical units (AU)? b) Based on your

*asked on October 2, 2011* -
## trig

how do you establish the identity of cos(3pi/2+0)=sin0

*asked on October 21, 2010* -
## physics

a bob vibrates up and down on a vertical spring. if the period of the motion is two seconds, the frequency is: two seconds. i took f=1/period=1/2

*asked on June 27, 2010* -
## Finance

Brown Enterprises’ bonds currently sell for $1,025. They have a 9-year maturity, an annual coupon of $80, and a par value of $1,000. What is their current yield? 7.80% 7.90% 9.00% 9.10% 9.20%

*asked on April 21, 2010* -
## MATH214

Solve each of the following systems, if possible. Indicate whether the system has a unique solution, infinitely many solutions or no solution. x- 2y=3 4y- 2x=0

*asked on March 9, 2010* -
## 10th grade math

The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the first number.

*asked on December 11, 2009* -
## Physics

Alcohol flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 41.9 cm2 to A2= A1/3. The pressure difference Äp between the wide and the narrow sections of the pipe is 11.1 kPa. What is the volume flow rate ÄV/Ät of the

*asked on December 2, 2009* -
## math (unit rate)

Find the unit rate. $121.50 for working 18 hours wages = hourly rate x time 121.50 = hourly rate x 18 hours. Solve for hourly rate. how do i solve for hourly wages = hourly rate x time 121.50 = hourly rate x 18 hours. You want to get hourly rate by itself.

*asked on August 22, 2006* -
## algebra

Problem Page The volume V of a fixed amount of a gas varies directly as the temperature T and inversely as the pressure P. Suppose that V=42 cm to the 3,when T=84 kelvin and P= 8kg over cm squared. Find the temperature when V=74 cm cubed and P= 10 kg over

*asked on March 14, 2017* -
## conclusions

What function do conclusions serve in essays? A. Conclusions provide the supporting details of an essay. B. Conclusions develop the main idea of an essay. C. Conclusions sum up the main idea of an essay. (MY ANSWER) D. Conclusions introduce new ideas

*asked on July 5, 2016* -
## Algebra 2

What is the solution set to the following system? x + y = 5 and x^2 + y^2 = 25 A) (0,-5) (-5,0) B) (0,5) (-5,0) C) (0,-5) (5,0) D) (0,5) (5,0)

*asked on June 5, 2016* -
## Fitness (Check answers)

1) Sitting in class wearing ear buds during a lecture is effective listening. TRUE OR FALSE ~ (my answer is FALSE) 2) Defense mechanisms should be used as often as possible to deal with uncomfortable emotions. TRUE OR FALSE ~ (my answer is FALSE) 3) Daily

*asked on April 25, 2016* -
## physics

A daredevil decides to jump a canyon of width 12 m. To do so, he drives a motorcycle up an incline sloped at an angle of 14.2◦. The acceleration of gravity is 9.8 m/s2 . What minimum speed must he have in order to clear the canyon? Answer in units of

*asked on January 8, 2015* -
## programming urgent

so i have two arrays . I need to figure outh how to multiply each value of the first array by each value in the second array. how doy ou do thtisT? thanks

*asked on December 6, 2014* -
## Physics

A 4.55 kg steel ball is dropped onto a copper plate from a height of 10.0 m. If the ball leaves a dent 2.80 mm deep in the plate, what is the average force exerted by the plate on the ball during the impact?

*asked on October 3, 2014* -
## Math

Financial aid students must pass 2/3 of their courses each term in order to continue their aid. If a student is taking 18 hours, how many hours must be passed?

*asked on July 20, 2014* -
## Math

Kevin has 18 unit cubes. How many different rectangular prisms can be built using all the cubes

*asked on April 21, 2013* -
## ACC/490

I need a summary of mt hood furniture pps sampling problem

*asked on December 26, 2012* -
## Geometry

At a certain time of the day, a 4-meter-tall vertical pole casts a shadow of 3 meters. What is the angle of elevation, to the nearest degree, of the Sun?

*asked on July 19, 2012* -
## Science

A blue-eyed man, both of whose parents were brown-eyed, marries a brown-eyed woman whose father was blue-eyed and whose mother was brown-eyed. This man and woman have a blue-eyed child. What are the genotypes of all these individuals?

*asked on February 23, 2012* -
## Science

Why is only one egg produced during oogenesis while four sperm are produced during the parallel process of spermatogenesis?

*asked on February 22, 2012* -
## 11Science

A diploid organism has five pairs of chromosomes in each somatic cell. Assuming that no crossing over occurs, how many genetically distinct gametes can this organism produce?

*asked on February 15, 2012* -
## Calc 2

Find c>0 such that the area of the region enclosed by the parabolas y=x^2−c^2 and y=c^2−x^2 is 90.

*asked on February 10, 2012* -
## chemistry

using VSEPR THEORY SHOW WHY 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule

*asked on December 13, 2011* -
## Chemistry

is H2S2O7 or H2SO4 a stronger acid?

*asked on November 25, 2011* -
## Advanced Functions

The earth rotates on its axis once every 24 hours. How long does it take Earth to rotate through an angle of 4(pi)/3?

*asked on November 14, 2011* -
## Psychology

hows does sociology relate to a man helping his handicapped wife on a daily basis?

*asked on October 30, 2011* -
## Psychology

What is a good article in a newspaper from Ontario, Canada that can be relatable in pyschology?

*asked on October 25, 2011* -
## gr10 science

What is the index of refraction of a refractive medium f the angle of incidence in air is 30 degrees and the angle of refraction is 15 degrees?

*asked on June 7, 2011* -
## gr 10 math

Solve using the quadratic formula. a) x^2 - 7x + 12 = 0 a = 1 b = -7 x = -b +/- the sr of b^2 - 4ac /2a 7 +/- the sr of -7^2 - 4(1)(12) /2a 7 +/- the sr of -49 - 48 /2a 7 +/- the sr of -97 /2a 7 +/- 97 /2a -90/2=-45 -104/2= 54 The roots are -45 and 54. did

*asked on May 31, 2011* -
## physics

A 16000 kg sailboat experiences an eastward force of 17700 N due to tide pushing its hull while the wind pushes the sails with a force of 87500 N directed toward the northwest (45 degrees westward of North or 45 degrees northward of West). What is the

*asked on March 24, 2011* -
## Business math

what the rebate of the finance charge and payoff would be if the pickup truck loan were paid off after 27 months instead of 60. Total of monthly payments 60 x 194.38. I don't know how to get the total finance charge

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

what is the name for the compound Al2I3??

*asked on October 26, 2010* -
## statistics

A company manufactures calculators in batches of 64 and there is a 5% rate of defects. What is the standard deviation for the number of defects per batch?

*asked on October 15, 2010* -
## math

What length of fencing is required to surround a square field with area 250 m2? Show your work. Give your answer to the nearest cm. How would i do this???plz help, thx!! :D

*asked on April 13, 2009* -
## Critical Thinking

How do assumptions relate to the process of critical thinking? This is an excellent article explaining the purpose of assumptions in the process. http://www.criticalthinking.org/resources/articles/ct-distinguishing-inferencs.shtml This guide to critical

*asked on October 26, 2006* -
## math

Two circles meet at A and B. A chord CD of one circle is produced to meet the other circle at E and F so that CDEF is a straight line, as shown. The common chord AB is produced to meet the line CF at a point M between D and E. If M is the midpoint of CF

*asked on July 21, 2019* -
## Science

In witch type of symbiotic relationship is one organism helped while another organism is neither benefited nor harmed?

*asked on February 26, 2019* -
## Physics

How much power is required to lift a 25kg box to the top of a 4 meter flight of stairs in 3.5 seconds

*asked on November 24, 2018* -
## AP Chemistry

A 0.2500 M NaOH solution was used to titrate a 16.85 mL hydrofluoric acid solution. The endpoint was reached after 31.20mL of titrant were added. Find the molar concentration of hydrofluoric acid in the original solution.

*asked on February 4, 2018* -
## History

Which of the following statements most accurately analyzes how the Philadelphia Convention shaped the new national government?

*asked on December 6, 2017* -
## chemistry

a )what use of carbon , properties of carbon? b) is their any organic compound that synthsies like urea in lab?

*asked on October 8, 2017*