# nicole

Popular questions and responses by nicole-
## Physics

A large crate filled with physics laboratory equipment must be moved up an incline onto a truck. 1. The crate is at rest on the incline. What can you say about the force of friction acting on the crate? a. The friction force point up the include b. The

*asked on September 22, 2008* -
## Chem

What is the balanced net ionic equation for copper(2)chloride and potassium carbonate ?

*asked on September 8, 2015* -
## math

a 12 cm by 16 cm picture is mounted with border of uniform width on a rectangular frame. if the total area of the border is 288 cm2, what is the length of the side of the frame?

*asked on July 21, 2015* -
## Ancient History

Which effect did continued trade with Egypt have on Kush civilization? A. Kushites adopted many elements of Egyptian culture. Correct answer B. Kushites learned to navigate the Nile River. Incorrect answer C. Kushites stopped trading with other African

*asked on November 27, 2019* -
## Language Arts

"Type a paragraph in which you use at least two linking commas, two semicolons, and one colon." Does the paragraph below match the criteria above? My dog, Bruno, is absolutely amazing; he's so many things for a one year old Miniature Pinscher: funny,

*asked on November 16, 2015* -
## English

Identify the italicized part of the sentence. The main event will be a memory contest. subject predicate direct object indirect object predicate noun predicate adjective

*asked on October 30, 2014* -
## Chemistry HELP

What is the velocity of an electron that has a de broglie wavelength approximately the length of a chemical bond? Assume this length to be 1.2 X10^-10 m.

*asked on September 5, 2015* -
## Math

A work crew of 3 people requires 3 weeks and 2 days to do a certain job. How long would it take a work crew of 4 people to do the same job if each person of both crews works at the same rate as each of the others? Note: each week contains six work days.

*asked on September 10, 2009* -
## Geometry

Write an equation of the line passing through point P(4,0) that is parallel to the line -x +2y = 12

*asked on October 2, 2020* -
## geometry

A tourist in France wants to visit 5 different cities. If the route is randomly selected, what is the probability that she will visit the cities in alphabetical order? Answer choice: a)120 b)1/5 c)1/120 d)1/25

*asked on April 15, 2010* -
## physics

An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic motion. When the object is 0.020 m from its equilibrium position, it is moving with a speed of 0.55 m/s. (a) Calculate the

*asked on March 7, 2012* -
## Algebra 2

A large asteroid crashed into a moon of a planet, causing several boulders from the moon to be propelled into space toward the planet. Astronomers were able to measure the speed of one of the projectiles. the distance (in feet) that the projectile traveled

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

Calculate the standard enthalpy change for the reaction 2C8H18(l)+17O2(g)> 16CO(g) + 18H2O(l) Given 2C8H18(l)+25O2(g)>16CO2(g)+18H2O(l) deltaH=-11020 kj/mol 2CO(g)+ O2(g)>2CO2(g) Delta H=-566.0 kj/mol The > is supposed to be an arrow :)

*asked on November 17, 2011* -
## Chemistry

What mass of octane must be burned in order to liberate 5510 kJ of heat? ΔHcomb = -5471 kJ/mol.

*asked on March 26, 2011* -
## chemistry

At 23°C, Kp = 0.075 for the equilibrium: NH4HS (s) ↔ NH3 (g) + H2S (g) A sample of solid NH4HS is placed in a closed vessel and allowed to equilibrate. Calculate the equilibrium partial pressure (atm) of ammonia, assuming that some solid NH4HS remains.

*asked on September 14, 2012* -
## Buffer Solution

You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 93 mL of 1.00 M NaOH solution?

*asked on April 13, 2011* -
## Algebra

A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $35.70 and then an additional 6 cents per minute of use. In Plan B, the customer pays a monthly fee of $30 and then an additional 7 cents per minute of use. For

*asked on October 4, 2020* -
## Physics

The instant before a batter hits a .14 KG baseball, the velocity of the ball is 45 meters per second west. The instant after the batter hits the ball, the ball's velocity is 35 meters per second eat. The bat and ball are in contact for 1.0 x 10 ^-2 second.

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

The combined mass of a race car and its driver is 600. kilograms. Traveling at a constant speed, the car completes one lap around a circular track of radius 160 meters in 36 seconds. A) Based on the given information, calculate the speed of the car. B)

*asked on January 10, 2010* -
## statistics

A standardized test has a mean of 88 and a standard deviation of 12. What is the score at the 90th percentile? Assume a normal distribution. how would I solve? a. 90.00 b. 112.00 c. 103.36 d. 91.00

*asked on September 16, 2014* -
## Philosophy

Explain and critically evaluate Parmenides’ arguments that being is unitary, undifferentiated, and eternal. i am really stuck on this question, could someone help me better understand

*asked on September 27, 2018* -
## Trig

A weight is oscillating on the end of a spring. The position of the weight relative to the point of equilibrium is given by y=1/12(cos8t-3sin8t), where y is the displacement (in meters) and t is the time (in seconds). Find the times when the weight is at

*asked on October 27, 2014* -
## Chemistry

Listerine mouthwash has 21.6% ethyl alcohol by volume. What mass of ethanol is contained in 20.0 mL of mouthwash ?! ( the density of ethanol is 0.789 g/mL.) how would yu do this problem ?!?!

*asked on July 24, 2010* -
## algebra

The sum of the angles of a triangle is 180 degrees. If one angle measures x degrees, a second angle measures 3x degrees, and a third angle measures 7x degrees, express the measure of the fourth angle in terms of x.

*asked on July 6, 2011* -
## Math

Dave takes out a 23-year mortgage of 200000 dollars for his new house. Dave gets an interest rate of 13.2 percent compounded monthly. He agrees to make equal monthly payments, the first coming in one month. After making the 65th payment, Dave wants to buy

*asked on September 12, 2017* -
## math

For her vacation Mrs. Andrews bought $300 worth of traveler's checks in $10 and $20 denominations. If she has 22 travelers checks in all, how many of each denomination does she have? Let x represent the number of $10 traveler's checks she has. Which

*asked on August 20, 2012* -
## Math (Algebra 1)

Juan’s first 3 exam scores are 85, 93, and 87. What does he need to score on his next exam to average 90 for all 4 exams? let x represent the score on his next exam (put this in a multi-step equation) PLEASE HELP

*asked on November 15, 2014* -
## algebra 2

a flagpole casts a 60 foot shadow when the angle of elevation of the sun is 35 degrees. find the height of the flagpole

*asked on June 15, 2012* -
## Math

How do you write 2.78 in expanded form

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

A retail shop accepts only cash or checks. Suppose that 54% of its customers carry cash, 51% carry checks, and 71% carry cash or checks (or both). What is the probability that a randomly chosen customer at the shop is carrying both cash and checks?

*asked on October 22, 2011* -
## geometry

HELP.... In a certain lottery, 3 numbers between 1 and 9 inclusive are drawn. These are the winning numbers. How many different selections are possible? Assume the order in which the numbers are drawn is not important. Answer choice: a.) 6 b) 84 c) 504 d)

*asked on April 15, 2010* -
## World history

Which of the following did NOT contribute to an increase in food production and population growth during the Middle Ages? A) the invention of the ox collar B) a climate change C) a heavy, wheeled plow with an iron plowshare D) a three-field system of crop

*asked on December 4, 2017* -
## English

Analyze one of the following poems: "clearances" Do Not Go Gentle into That Good Night," Not waving but Drowning ,"The Love Song of J.Alfred Prufrock"Ten Songs,"The Guitar use at least 4 of the following in you response: theme,voice,rhyme scheme,poem

*asked on October 17, 2017* -
## Chemistry

How many atoms of mercury are present in 3.2 cubic centimeters of liquid mercury? The density of mercury is 13.55 g/cc. Answer in units of atoms.

*asked on September 16, 2015* -
## Physics

Kangaroos can easily jump as far as 8.0 m. If a kangaroo makes five such jumps westward and then seven such jumps northward, what angle would the resultant displacement vector make with the northern displacement vector? What is the magnitude of the total

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

calculate the mass of the following numbers of atoms: a] 6.022 X 10^24 atoms of tantalum

*asked on September 28, 2010* -
## math

Mrs. Jones is thinking of a number that when rounded to the nearest hundred is 400. what is the number? explain

*asked on September 16, 2013* -
## geometry

If all of the diagonals are drawn from a vertex of a quadrilateral, how many triangles are formed?

*asked on April 20, 2012* -
## Chem

State the hazard warning label that should be shown on a jar of oxygen.

*asked on October 5, 2011* -
## Physics

The horizontal surface on which the block slides is frictionless. The speed of the block before it touch the spring is 6.0 m/s. How fast is the block moving at the instant the spring has been compressed 0.15 m? The spring constant, k = 2000 N/m

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

In a three digit number, the hundreds digit is twice the units digit. If the digits are reversed, the new number is 396 less than the original number. Find the number.

*asked on February 9, 2016* -
## Chemistry

Calculate the number of moles of carbon atoms present in 1.1 g of ethanol (C2H6O). Answer in units of mol.

*asked on September 16, 2015* -
## Optimization Calculus

A three sided fence is to be built next to a straight section of river, which forms the fourth side of a rectangular region. There is 96 ft of fencing available. Find the maximum enclosed area and the dimensions of the corresponding enclosure. I drew a

*asked on May 2, 2015* -
## Geometry

Water was leaking from a faucet at a rate of 1.5 gal every 5 min. If it took 18 min to stop the leak, how much water was wasted?

*asked on August 19, 2008* -
## Algebra

please help Ahmad is choosing between two exercise routines. In Routine #1, he burns 22 calories walking. He then runs at a rate that burns 15.5 calories per minute. In Routine #2, he burns 48 calories walking. He then runs at a rate that burns 10.3

*asked on October 4, 2020* -
## math

How many terms are there In an arithmetic Sequence with a common different of 4 and with the first and last term 3 and 59 Respectively.

*asked on June 19, 2015* -
## Chemistry

A reaction of magnesium with nickel (iii) chloride will produce magnesium chloride and nickel. Using 31.76g of magnesium would produce how many grams of nickel?

*asked on October 21, 2012* -
## Buffer

You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 93 mL of 1.00 M NaOH solution?

*asked on April 11, 2011* -
## Stats

Exercise 6-8 The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 235 customers on the number of hours cars are parked and the amount they are charged. Number of Hours Frequency Amount Charged 1 18 $3 2 33 7

*asked on September 28, 2010* -
## physics

A student sits on a freely rotating stool holding two weights, each of which has a mass of 3.00 kg. When his arms are extended horizontally, the weights are 1.00 m from the axis of rotation and he rotates with an angular speed of 0.750 rad/s. The moment of

*asked on December 5, 2006* -
## maths

A Baker uses 2/3 of a bag of flour to make 6 muffins how many bags of flour will he need to make 48 muffins

*asked on January 13, 2020* -
## English

Which of the following conflicts in Poor Fish is the most importance -individual vs. self, individual vs. another, individuals. society vs. nature support your answer using example from the story please help this is and essay and I'm confused thank you.

*asked on October 17, 2017* -
## Math

a cone and a hemisphere share the base that is a semicirclee with radius 3 and the cone is inscribed inside the hemisphere. find the volume of the region inside the hemisphere

*asked on March 18, 2015* -
## Careers

1. Small family farms are part of the agribusiness pathway. .True .False

*asked on October 15, 2018* -
## Art

Do writings bias or limit our experience of art?

*asked on September 2, 2009* -
## Chemistry

An analysis of nicotine (MW = 162 g/mol) gives 74.0% carbon, 8.65% hydrogen, and 17.3% nitrogen. What is the TRUE (MOLECULAR) formula for nicotine? All I need are the formulas!!

*asked on September 16, 2015* -
## chemistry

A sample of N2O effuses from a container in 45 seconds. How long would it take the same amount of gaseous I2 to effuse from the same container under identical conditions?

*asked on October 16, 2008* -
## mathematics

Question 1 There are 5 roses in a vase of 13 flowers. The rest are daisies. (a) What is the ratio of roses to daisies? (b) What is the ratio of daisies to all flowers in the vase? Clears your work.

*asked on October 16, 2020* -
## Algebra

Josh is choosing between two exercise routines. In Routine #1, he does only running, burning 8.5 calories per minute. In Routine #2, he burns 17 calories walking. He then runs at a rate that burns 4.25 calories per minute. For what amounts of time spent

*asked on October 2, 2020* -
## physics

robin is standing terrified at the end of a diving board, which is high above the water. if robin has a mass of 75 kg and is standing .6m from the board's pivot point, what torque is robin exerting on the board

*asked on April 22, 2014* -
## math

chris put $1,500 in a savings account at an annual interest rate of 5%. If chris does not deposit or withdraw any money, what is the amount of interest chris will earn the first year her money is in the savings account? use the formula i=prt

*asked on August 4, 2013* -
## science

an experiment for a new asthma medication was set up into two groups. Group one was given the new drug, while group 2 was given a sugar pill. the sugar pill serves as _________. a) control B)constant c) Experimental variable D) dependent variable

*asked on September 4, 2012* -
## physics

The position of an object as a function of time is given by x = At2 – Bt + C, where A = 7.3 m/s2, B = 5.8 m/s, and C = 4.5 m. Find the instantaneous velocity and acceleration as functions of time. (Use the following as necessary: t.) help!!!!!!!!! thank

*asked on August 28, 2012* -
## Algebra

Use the function to answer the question. f(x)=1/4-x For what value in the domain is the function undefined? Explain your answer.

*asked on April 20, 2012* -
## Org Chem

Which of the following compounds could be meso compounds? a. 2-bromo-4-chloropentane b. 2,5-dimethylheptane c. 2,4-dimethylpentane d. 4,6-dichlorononane

*asked on April 1, 2011* -
## science

if 1000 grasshoppers weigh kg how much does one grasshopper weigh?

*asked on July 21, 2010* -
## Algebra

David is choosing between two exercise routines. In Routine #1, he burns 18 calories walking. He then runs at a rate that burns 10.25 calories per minute. In Routine #2, he does only running, burning 12.5 calories per minute. For what amounts of time spent

*asked on October 4, 2020* -
## Math... PLEASE HELP!!

If one angle in a pair of vertical angles measures 42 degrees and the other measures 2n-4 degrees, which is the value of n? I got 23 degrees but I am not sure if it is correct. Please help me...

*asked on November 12, 2013* -
## Chemistry

Use the balanced equation to answer the following: 3AgNO3(aq) + FeCl3(aq)...Fe(NO3)3(aq) + 3AgCl(s) If 21.73g of FeCl3 is mixed with 48.97g of AgNO3 a) Which is the limiting reagent? b) How many grams of AgCl can be theoretically produced? c) If 15.97g of

*asked on October 21, 2012* -
## Chemisrty Lab

dimensions of a concrete pile are 14 inchesx14 inches x 15 feet. (1 meter=3.28 feet) the pile has 4 faces and 2 ends. 1>what is the surface area in square feet, of a single pile? exclude the ends of the pile. 2>What is the total surface area in square

*asked on September 11, 2007* -
## Science - Physics

When a projectile is fired horizontally, which of the components of its motion is (A) motion at constatnt speed (B) uniformly accelerated motion (C) If the initial velocity of the projectile is increased, what effect will this have on the time it takes the

*asked on December 6, 2006* -
## Language Arts

1. Which of the following sentences uses the past perfect verb tense. A) By June, I will have owned the camera shop for a decade. B) After it was sold, I had owned the camera shop for 12 year as C) I cannot recall a time when I have not owned some kind of

*asked on October 24, 2016* -
## Math

a gift store owner used 9 rolls of wrapping paper to wrap his customers' gifts last week. each roll was 58 1/3 inches long. how many gifts did he wrap if a 8 1/3 inch long piece of wrapping paper was used to wrap each gift?

*asked on October 12, 2015* -
## English, Written Communication

Which of the following are examples of coordinate headings? A. 3, b, iii B. A, i, a C. ii, 2, B D. A, B, C My answer was C but i got it wrong, is it A? PLEASE HELP CANT FIND IT IN MY TEXT BOOK

*asked on May 22, 2015* -
## Algebra

what is the inverse of the linear parent function? How would you graph the inverse and what are the values for the inverse???

*asked on December 16, 2013* -
## physics

Calculate the effective value of g, the acceleration of gravity (in meters/second^2), at 5100 km above the earth's surface.

*asked on March 14, 2013* -
## Math

A person standing close to the edge on the top of a 160-foot building throws a baseball vertically upward. The quadratic function s(t) = -16t^2 +64t + 160 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. After how

*asked on October 18, 2011* -
## geometry

How many 5 card poker hands consisting of 3 aces and 2 kings are possible with an ordinary 52-card deck? Answer choice: a).12 b).288 c).6 d).24 I got 24 is that correct?

*asked on April 15, 2010* -
## social studies

when listing a location of a place the degree of longitude is always listed???

*asked on September 7, 2009* -
## 9th grade

why did miss muffet need a road map

*asked on October 8, 2008* -
## music

trying to look for a 7 letter word using music notes cdeeffggaabb is this a damn trick question. best i can do is badge What about cabbage? you are a star, thank you so much

*asked on January 24, 2007* -
## business mathematics

AntiFam, a hunger-relief organization, has earmarked between $2 million and $2.5 million (inclusive) for aid to two African countries, Country A and Country B. Country A is to receive between $1 million and $1.5 million (inclusive), and Country B is to

*asked on October 3, 2020* -
## english

In "Why, You Reckon?" what argument does the other man use to convince the narrator to team up with him? What lesson do you think the narrator learned by the end of the evening? I have part of the answer but I don't now how to put it in ACE format.

*asked on January 23, 2015* -
## Chemistry

How many grams of acetic anhydride are needed to react with 3.82g of salicylic acid?

*asked on April 23, 2014* -
## English

Click on the box to choose the function of the italicized infinitive phrase. May I have permission to use the car tonight? I think its adjective.

*asked on March 20, 2013* -
## history

an official permit? a source for tobacco. residents of the Jamestown are before 1607?

*asked on February 3, 2013* -
## Geometry

Find m∠T if m∠T is 20 more than four times its supplement.

*asked on September 4, 2012* -
## 6 Entropy

Using the thermodynamic data provided below, calculate the standard change in entropy when one mole of sodium nitrate is dissolved in water? S° (J/K•mol) NaNO3(s) 116.3 Na+(aq) 60.25 NO3–(aq) 146.4 Using the value you calculated, how will the

*asked on May 3, 2011* -
## AP Chemistry

which of the following is the most polar? 1. I3- 2. XeF2 3. SCN- 4. O3 5. N2O i know it's not I3- or SCN-. which one would it be.

*asked on August 8, 2010* -
## mathematics

Angles 1 and 7 are alternate exterior angles of a transversal cutting two parallel lines. If m(angle1)=4x+10 and m(angle7)=6x+4, what are the measures of angles 1 and 7? Give a property of angles that helped you solve the problem. What's confusing me about

*asked on February 10, 2010* -
## math

how many positive 4-digit numbers are there with an even digit in the hundreds position and an odd digit in the tens position? a. 10,000 b. 5,040 c. 2,500 d. 2,250

*asked on September 3, 2018* -
## Math

How fp you Order the numbers from least to greatest 0.4, 5%8, 38%? Please show the steps.

*asked on September 20, 2017* -
## accounting

Determine the ending balance of the Merchandise Inventory account given the following transactions: TooDaLoo had a beginning balance of $8,500 in its Merchandise Inventory account. They purchased $45,000 worth of inventory on account from WeeParcel under

*asked on November 5, 2016* -
## science

How far does your automobile travel in meters during your reaction time if you are moving at 55 mi/h (25 m/s)?

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

A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 5.9 m due east. For the second putt, the ball travels 2.4 m at an angle 20° north of east. The third putt is 0.50 m due north. What displacement

*asked on June 26, 2014* -
## Calculus - Volume by Integration

Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the y-axis: y=(x-2)^3-2, x=0, y=25 (a)solve by either the disk or washer method (b)solve by the shell method (c)state which method is easiest to

*asked on November 24, 2013* -
## Science

What is the order of the electromagnetic spectrum from highest to lowest energy. I got Radio, Microwave, Infrared, Visible light, Ultraviolet light, X-ray, and Gamma ray. Am I correct? If not, please help me so I can put it in the right order.

*asked on November 22, 2013* -
## english

A good strong thesis statement about the children's book Corduroy by Don Freeman

*asked on October 20, 2011* -
## busniess communication

Today, many employers expect interviewees to do more than just answer standard questions, including all of the following EXCEPT: A. defer to the hiring company to take control of the interview process. B. provide samples of the work they would likely do in

*asked on August 27, 2011* -
## Math

write numeral as hindu- arabic numeral _ XMMDCLXII

*asked on May 14, 2011*