# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

142,296 questions, page 762-
## Probability

Alice has 2 identical pairs of red shoes and 1 pair of white shoes, where a pair of shoes is one left and one right shoe of the same color.If she draws two shoes at random, what is the probability that she picks a pair? Give your answer as a reduced

*asked by PT on March 5, 2018* -
## physics

A Cessna aircraft has a lift-off speed of 120 km/h. (a)What minimum constant acceleration does this require if the aircraft is to be airborne after a take=off of 240m? Work: 120 km/h-->33.3 m/s (33.3 m/s)^2= (16.7 m/s)^2 + 2a(240 m) a= 1.73 m/s^2 [What did

*asked by Anonymous on September 7, 2007* -
## Physics

A horse of mass 187 kg pulls a cart of mass 200 kg. The acceleration of gravity is 9.8 m/s2 . What is the largest acceleration the horse can give if the coeﬃcient of static friction between the horse’s hooves and the road is 0.612? Answer in units of

*asked by Lyndsay on December 14, 2017* -
## Biology Research

Hello, I have to analyse two research articles about how carbon dioxide affect plant growth. one of the questions I have to answer is to "compare the research approach" for the two articles. I am not completely certain what " research approach refers to"

*asked by Moi on March 19, 2011* -
## Math

When dropped on a hard surface, a rubber ball takes a series of bounces, each one about 4/5 as high as the preceding one. If the rubber ball is dropped from a height of 20 ft, what is the approximate distance the ball travels before coming to rest? Please

*asked by Ashley on March 5, 2015* -
## English

After you solve the cross word puzzle, using the answer words, complete the dialogue between a teacher and a student. Look at the first row, Across one starts with 's.' Down four contains one r. What is the suitable word for Down 1? Across 6 ends with l.

*asked by John on April 15, 2009* -
## Physics

8. A 4.70 m long pole is balanced vertically on its tip. What will be the speed (in meters/second) of the tip of the pole just before it hits the ground? (Assume the lower end of the pole does not slip.) I did V^2=0^2+2(9.8)(4.70) and was wrong. I did

*asked by Victoria on April 15, 2015* -
## spanish

"Cuando tú y tu novia se despiden, ¿se dan la mano o se besan?" "_____" a. se besan b. nos besamos c. se dan la mano d. le damos la mano i'm not even sure what the question is asking, i think it says: when you and you're girlfriend say goodbye, do you

*asked by y912f on May 25, 2009* -
## chemistry

The electrochemical cell described by the cell notation has a standard emf (electromotive force) of -0.68 V. Calculate the value (kJ) for the standard free energy change of the cell. Round your answer to 3 significant figures. Pt(s) l MnO2(s) l MnO4-(aq),

*asked by me on June 6, 2010* -
## Math

There is an expression some people use that says, “What you put into it is what you get out of it.” People might use this expression to describe your skills at a sport or activity and how that relates to the amount of time and effort you spend

*asked by Taylor on May 8, 2014* -
## physics

A basketball explodes into three separate pieces. Two pieces of equal mass shoot off at 20.3 m/s, one travelling to the south and one to the west, perpendicular to each other. The third piece has a mass 4 times the size of one of the other pieces. What is

*asked by HELP!!! on November 15, 2016* -
## 5th grade math

A list of numbers represents the following pattern: For each number after the first, multiply the previous number by itself, and then subtract that number. Which list does NOT represent that pattern? A. 1,1,1,1, and so on B. 2,2,2,2, and so on C.

*asked by jamar on January 15, 2014* -
## Calculus

Show that the following series is absolutely convergent: Summation from 1 to infinity: [(-1)^n * (n+1) * 3^n]/ [2^(2n+1)] I've done the ratio test and replaced n in this series with n+1. I get 3/4 in the end, which is less than 1, which confirms that the

*asked by Anonymous on March 24, 2012* -
## math

A car rental company charges $280 per week plus $0.18 per mile to rent a car. How many miles can you travel in one week for $433? A) Write an equation you can use to answer this question. Be sure all the numbers given above appear in your equation. Use x

*asked by kelly on February 21, 2013* -
## Science Help

The process of desertification can occur when A. Plants usually found in the desert replace trees that have been cut down. B. Farmers use contour farming techniques. C. An area of forest is clear-cut. D. An area of forest is selectively cut. Is the answer

*asked by Callie on November 21, 2014* -
## Math

The food stand at the zoo sold 2,514 pounds of hamburger last month.the average cost of a pound of hamburger is $2.Jeremy estimates that about 6,000 worth hamburger was sold last month.Is this less than or greater than the exact answer?

*asked by Zane on September 2, 2015* -
## government

Please help me answer this question. Having a hard time. **The term public administration is traditionally defined as a government agency. What are the limitations this definition has on public administration? How has public administration evolved to

*asked by Tee on October 9, 2013* -
## finance

When planning the retirement payout, there are several options from which to choose. With ______________ option, the annuity provides payments over the life of both you and yor spouse. A. lump sum annuity B. single life annuity C. annuity for life D.

*asked by Anthony on November 11, 2013* -
## design

Interprete this quotations " THERE IS NOTHING SUCH AS GOOD AND BAD DESIGN,ONLY APPROPRIATE DESIGN"? write 150 words and explain how do u would interprete this quotation. -mention an example of a design project that represent this the meaning of ur

*asked by red ridding on September 24, 2010* -
## physics

A boy wants to jump onto a moving carousel that is spinning at a rate of 5 revolutions per minute. If the carousel is 64 ft in diameter, how fast must the boy run, in feet per second, to match the speed of the carousel and jump in? Round your answer to two

*asked by Anonymous on July 21, 2012* -
## pre cal 11

i am stuck at a question that is asking for the common difference, first term, and general term for the arithmetic sequence the question is t10=50 and t27=152 i found my d=6 and t1=(-4) so know my equation is: tn=(-4)+(n-1)6 i had asken my teacher to tell

*asked by jessica on February 13, 2015* -
## working in a pharmacy

when a customer has a complaint about a product bought from your pharmacy a.refer the matter to yur pharmacist immediatly b.ask the customer to contact the manufacturer c.handle the complaint tactfully yourself d.tell the customer that your pharmacy is not

*asked by susue on January 22, 2013* -
## physics

A boy wants to jump onto a moving carousel that is spinning at a rate of 5 revolutions per minute. If the carousel is 64 ft in diameter, how fast must the boy run, in feet per second, to match the speed of the carousel and jump in? Round your answer to two

*asked by Anonymous on July 21, 2012* -
## Math

The bottom of the ladder on a horizontal flat surface rests against a wall. It makes an angle of elevation of 35°. The bottom of the ladder is 42 ft from the base of the wall. How long is the ladder? Round your answer to the nearest whole number. Do not

*asked by Jeb on August 2, 2016* -
## math

a ball is thrown into the air at a speed of 96 feet/sec. The equation that expresses the height of the ball as a function of time is: h(t) = -16t2 + 96t + 5 How long does the ball stay in the air after it is thrown? (Round answer to the hundreths of a

*asked by Erin on February 14, 2013* -
## Math33333

Please help me! Problem: x+2 x-3 _________ - _________ 2x^2+5x+2 2x^2-5x-3 *Simplify the expression 2x^2+5x+2 =(x+2)(2x+1) 2x^2-5x-3 =(2x+1)(x-3) So x+2/(x+2)(2x+1) = 1/2x+1 x-3/(2x+1)(x-3) = 1/2x+1 Finally 1/2x+1 - 1/2x+1 = 0 Let's take a look at the

*asked by Margie on March 3, 2007* -
## Pre-Calculus/Trig Check please and help

Could someone please check the first one and help me with the second one. I'm stuck-Thank you 1.What are theroots of the following polynomial equation? (x+2i)(x-5)(x-2i)(x+8) = 0 I think the roots are -2i,5,2i,-8-you take out the roots as opposites of what

*asked by Tabitha on September 5, 2011* -
## Physics

A mine shaft is known to be 57.8 m deep. If you would drop a rock down the shaft, how long would it take for you to hear the sound of the rock hitting the bottom of the shaft knowing that sound travels at a constant velocity of 345 m/s? The answer is

*asked by Alina on October 12, 2010* -
## Algebra

(sqrt3+5 sqrt6)(sqrt3-5 sqrt6) DRWLS-Just take the difference of the squares of the two terms, sqrt 3 and 5 sqrt6. Then you will have the answer. It will be a negative integer. 3sqrt is 9 6sq rt is 36 I add 5 to one and subtract 5 from the other? 50 and

*asked by Micah on February 3, 2008* -
## maath HELPPPP

a ball is thrown into the air at a speed of 96 feet/sec. The equation that expresses the height of the ball as a function of time is: h(t) = -16t2 + 96t + 5 How long does the ball stay in the air after it is thrown? (Round answer to the hundreths of a

*asked by Erin on February 14, 2013* -
## 5th grade math

I need help with this problem..the answer and how you got it. thanks amy gets 1 hour for lunch at her job. today she used 1/4 hour to eat and 2/5 hour to run an errand. she spent the rest of her lunchtime writing a letter. how may minutes did amy spend

*asked by Karli on February 8, 2011* -
## Chemistry

A.) Write a balanced chemical Eq'n for a reaction between MAGNESIUM & HYDROCHLORIC ACID. Answer: Magnesium + Hydrochloric Acid Mg (s) + 2 HCL (ag) ---- MgCl2 (aq) H2(g) B.) Assuming 7.00 g of Magnesium completely react according to the above Eq'N,

*asked by Jen on December 18, 2016* -
## Latin

this is very basic latin. does this make sense? The question: Estne Marcus Servus? My Answer: Minime! Marcus non est servus quod est puer romanus. Its supposed to say no! Marcus is not a slave because he is a roman boy.

*asked by bryce on August 21, 2013* -
## algebra

A company's profit on phone sales is modeled by the function P(x)= -x^2+90x+497,975 where x is the price of a phone. To the nearest dollar, what price gives the maximum profit? Show all work. The answer is $752 per phone, but I don't know how.

*asked by neal on December 14, 2009* -
## Physics

A ball is thrown straight upward and returns to the thrower’s hand after 2.90 s in the air. A second ball is thrown at an angle of 32.0 ◦ with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one

*asked by Ryan on December 3, 2011* -
## Exponential Equations

Jen made an initial investment of $1000 into a T-Bill account. After 2 years, her investment totaled $1 175. Calculate the rate of appreciation, r, of the investment. Give answer to 2 decimal places. 1000(1+r)=^2=1.1175 (1+R)^2=1.175 ??

*asked by Anonymous on April 7, 2015* -
## English Essay

Which one of the following elements is most important when you're your first draft? A.Making sure your spelling is correct B.Writing grammatically correct sentence C.Getting your ideas on paper D.Checking the puntuation in each sentence ANSWER:C I guess

*asked by SHAYLA on August 7, 2008* -
## Gifted and Talented Language Arts

I need to know what concrete poems are. Whenever I look up "what are concrete poems" all that comes up are concrete-making businesses. I really need help because every question I get right counts and I am so close to having an average of 100% on this test

*asked by DustyRose<3 on January 6, 2017* -
## Honors Physics

Emily makes 0.250 kg of hot tea at 99.0°C. How much ice at 0.00°C must she add to the tea so that the mixture reaches a final temp. of 8.00°C? (You may treat the tea as if its water.) My work: (0.25)(4186)(91) + m(4186)(-8)(3.35 ×10^5)=0 My answer:

*asked by Physics on June 1, 2015* -
## English

An average student remembers about 50 percent of a ten-minute lecture when tested (2)immediately; and 25 percent of same lecture when testd fifty-five hours later. (2) a)No change b)immediately -- and c)immediately and I chose answer c) since I didn't

*asked by nancy on August 5, 2010* -
## Physics

You meet a person with prescription glasses of +1.74 dpt. What is the near point of this person? Express the result as a positive number! Hint: the near point of a healthy person is 25 cm. An object placed at this distance will form an image at the near

*asked by lauren on April 28, 2010* -
## chemistry

What pb2+ concentration should be maintained in PbNO3 to produce a solubility of 1.7×10−4 PbI2/L when PbI2 is added? I found the ksp of PbI2 to be 7.1*10(-9), divided the ksp by the solubility, and took the square root, resulting in 6.5*10(-3). my

*asked by Anonymous on October 17, 2011* -
## high school physics

a string 180 cm long resonates in a standing wave that has 3 segments when driven by a 270hz vibrator. What is the speed of the waves on the string? (answer in book 324 m/s) frequency = 270 hz segments of wave = 3 v= f x wave I don't know what to do....

*asked by eugenia on March 19, 2010* -
## Chemistry

If 720 mL of 0.458 M aqueous Ba(OH)2 and 720 mL of 0.431 M aqueous HClO4 are reacted stoichiometrically according to the balanced equation, how many milliliters of 0.458 M aqueous Ba(OH)2 remain? Round your answer to 3 significant figures. Ba(OH)2(aq) +

*asked by John on February 16, 2010* -
## physics

Suppose an object is placed at a distance x from a screen and a converging lens of focal length f is placed between the object and the screen. What is the minimum separation distance x (in terms of f) for a real image to be formed on the screen? Support

*asked by Josh on May 19, 2014* -
## Physics-mechanics

Two spheres are placed so that their centers are 2.6 m apart. The force between the two spheres is 2.75 x 10^-12 N. What is the mass of each sphere if one sphere is twice the mass of the other sphere?(please use all the correct formula, and show all

*asked by Rebecca on December 27, 2012* -
## Science grade 2

1/Compare: look at a rock and a plant. Write about how they are like and different . 2/ Put the rock in a bin. Water the rock and the plant for a week. 3/ Observe: what happens? Answer: It happens that the rock I'd broken. His plant is grow. Please help

*asked by Nn on February 2, 2019* -
## Physics

A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 1.5 m/s. The acceleration of gravity is 9.81 m/s 2 . What is the initial height of the bob? Answer in units of m

*asked by Ted on February 5, 2013* -
## Algebra

You have five $1 bills, four $5 bills, six $10 bills, and three $20 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. What is P($1, then $10)? A. 11/35 B. 5/51 C. 5/54 D. 193/306 I'm not really sure

*asked by LonelyPotato on April 29, 2019* -
## Math

Identify the solid formed by the given net. The middle and a triangle on each edge of the middle triangle. A. Triangular prism B. Triangular pyramid C. Cone D. Triangle Is the answer B? Thank you

*asked by Callie on February 3, 2015* -
## math and desperate

What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is their an instance when a linear equation is not a function support your answer. Im not good at math please help.

*asked by tera on January 25, 2009* -
## precalc

I'm terrible at pre calc, could someone tell me if the solution set for log subscript 2 x + log sub 2 (x-1)=1 is the solution -1? Using either the elimination or substitution method is the solution set for 4x + y =11 and 2x -y = 7 is the answer (3, -1)?

*asked by eragon on January 13, 2007* -
## MATH

Solve this system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions 2x-y=0 3x+y=5

*asked by eric on May 3, 2012* -
## Math

A calendar that has one page per day is 7 inches long, 7 inches wide, and 2 inches high. What is the volume of one page of the calendar? Round your answer to the nearest thousandth.

*asked by Steven on April 28, 2014* -
## Algebra2/Trig

sqr(x^2-4)+(x^2)/x^2+1 I got ((x^2+1)*sqr(x^2-4)+x^2)/x^2+1 But my teacher gave (sqr(x^2-4)+x^2)/x^2+1 I did the problem over again but I can't figure out why my teacher got the answer. Can someone confirm that my teacher is right or am I right? sqr=square

*asked by Vincent on December 4, 2008* -
## Science

According to Newton's third law of motion, if a rolling ball collides with a wall and exerts a force of 3 N on that wall, how much force does the wall exert back on the ball? A. 0 N B. 3 N C. 6 N D. 9 N Is the answer b?

*asked by Callie on February 3, 2015* -
## English

58. The muffins were fresh. When discussing tenses, the subject of the previous sentence can be called the A: first person plural. B: second person plural. C: third person plural. D: first person singular. Answer: C

*asked by Althea on July 28, 2017* -
## mathematics

Choose the property illustrated by the following statement. (9•y)•6=9•(y•6) (A) Associative property of multiplication (B) commutative property of multiplication (C) distributive property (D) identity element of multiplication Could you explain how

*asked by Mads on September 5, 2018* -
## Chemistry

A 53 mL sample of a solution of sulfuric acid is neutralized by 37 mL of a 0.18 M sodium hydroxide solution. Calculate the molarity of the sulfuric acid solution. Answer in units of mol/L

*asked by Chemistry on March 24, 2012* -
## Pre Algebra

I can purchase a 30-ounce bottle of juice for $1.80 or a 64 ounce bottle of juice for $3.20. How much do I save per ounc by purchasing the larger bottle? 30 divided by 1.80= .06 4 dividec by 3.20= .05 Subtraction .06 by .05 Answer = 0.1

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

There are three pieces of rope with the lengths 15 1/3feet, 20 1/2 feet, and 30 3/4 feet. A) how many yards in all? B) If thery were all cut into 3 feet pieces how many would you get and how did you determine this answer C) How much rope is left? How was

*asked by b6 on October 13, 2012* -
## Statistics/check answer

If a population has a standard deviation σ of 18.2 units, what is the standard error of the mean if samples of size 25 are selected? Show all work. standard error of the mean = 0/sqrt(n) = 18.2/sqrt(25) = 18.2/5 =3.64 Answer 3.64

*asked by slomomo on March 1, 2015* -
## Geography

Why does a country need an infrastructure? My answer: A country needs an infrastructure because an infrastructure consists of the basic support systems needed to keep an economy thriving. The more sophisticated the infrastructure, the more developed the

*asked by Anonymous on September 5, 2013* -
## math

Solve the following system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions. x-3y=5 2x-6y=10

*asked by ,algebra on May 2, 2012* -
## Mathematics

Alec measures the length of a line accurately. His answer, correct to 1 decimal place , is 42.7 cm. What is the greatest line of the line I did not understand the last bit can someone help with it please thanx The greatest length? 42.74 cm

*asked by Wales on April 25, 2007* -
## math

Solve the following system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions x-y=4 3x-5=2

*asked by ,algebra on May 2, 2012* -
## language arts

What is the correct way to punctuate the underlined part of the following sentence?After beating the sugar with the butter he added eggs to the mixture. --------- butter he is underlined. a)butter;he b)butter:he c)butter,he d)butter-he Is the answer A?

*asked by gwen on May 18, 2014* -
## Social Studies

Could cattle ranchers have stopped the decline of the cattle industry that occurred in the late 1880's? My answer: No, because the decline of the cattle industry is due to changes in customer's interests?

*asked by Anonymous on April 16, 2013* -
## physics

A man jogs at a speed of 1.7 m/s. His dog waits 1.4 s and then takes off running at a speed of 3.4 m/s to catch the man. How far will they have each traveled when the dog catches up with the man? Answer in units of m

*asked by Sonia on September 30, 2012* -
## chemistry

a 12.5 g sample of oxygen gas is added to a 25.og sample of nitrogen gas in a 25.0L'Container at 28 C. Calculate the partial pressure of each gas and the total pressure of he mixture. answer

*asked by Anonymous on January 9, 2013* -
## physics

Two children with masses of 18 kg and 36 kg are sitting on a balanced seesaw. If the heavier child is sitting 0.45 m from the center, at what distance from the center is the lighter child sitting? Answer in units of m. Please help !!!

*asked by Edgar on January 25, 2015* -
## math

Two cups, two plates, and a pot cost $10.20 at a garage sale. A cup costs twice as much as a plate. The pot costs $3 more than a cup. What is the price of the pot? Explain how you got your answer.

*asked by Anonymous on February 25, 2015* -
## Math

Two cups, two plates, and a pot cost $10.20 at a garage sale. A cup costs twice as much as a plate. The pot costs $3 more than a cup. What is the price of the pot? Explain how you got your answer.

*asked by Anonymous on February 25, 2015* -
## math

al has twice as many baseball cards as frank and four times as many football cards as joe. the expression 2x+4y can be used to show the total number of baseball and football cards Al has. If the answer is y, then what is the question?

*asked by Grace on August 17, 2012* -
## chem

A 31.2 cm3 bubble of air at 1.4 atm pressure is subjected to a new pressure of 3.9 atm. What will be the new volume (cm3)? Assume constant temperature. THe answer I got was 11.2 cm3 is this correct

*asked by amber on October 16, 2010* -
## Pre- AP Physics

The earth exerts a force of 1400 N on an orbiting communications satellite that is 35 mi above the Earth. What is the magnitude of the force the satellite will exert on the earth? Answer in units of Newtons

*asked by Jaycee on November 4, 2012* -
## algebra

A 12 - ft ladder leans against the side of a house. The bottom of the ladder is 6 ft from the side of the house. How high is the top of the ladder from the ground? If necessary, round your answer to the nearest tenth.

*asked by Richard on August 10, 2017* -
## AP Chemistry

A 65 mL sample of a solution of sulfuric acid is neutralized by 46 mL of a 0.14 M sodium hydroxide solution. Calculate the molarity of the sulfuric acid solution. Answer in units of mol/L

*asked by Gabriella on January 30, 2014* -
## Math

a dog walker and he charges 15 dollars to come to my house, 2 dollars per mile walked. He charged me 19 dollars. Which equation could I use to determine howxfar he walked my dog. A. 2m + 5 = 19 B.19 + 15 = 2m ***my answer*** C.19 + 2m =15 D.2m + 15 =15

*asked by _Wolfie~Senpi on May 13, 2019* -
## Elementary Algebra

the width of a garden is 4 times it width the wall of her house forms one width of the triangle he uses 45 feet of fencing for the other 3 sides of his garden what are the length and width of his garden. what is the answer

*asked by Dena on February 8, 2013* -
## math

i have $30.00 to spend on a dress the sales tax is 5%.About (estimate)how much can the dress cost if i want to spend all my money? ---need an answer ive done this over and over but confused on the estimate part. 30.00 x.005%= 29.50 but what is the estimate

*asked by sharon on April 21, 2010* -
## physics

A cyclist maintains a constant velocity of 5.9 m/s headed away from point A. At some initial time, the cyclist is 242 m from point A. What will be his position from point A after that time? Answer in units of m

*asked by anonymous on September 23, 2011* -
## Spanish

Which popular physical activity in the Spanish-speaking world would you prefer to participate in? Why? Write you answer using as many Spanish words as possible. What are some Spanish-speaking world activities?

*asked by PleaseHelpMe777 on January 24, 2017* -
## math

Two cups, two plates, and a pot cost $10.20 at a garage sale. A cup costs twice as much as a plate. The pot costs $3 more than a cup. What is the price of the pot? Explain how you got your answer.

*asked by Anonymous on February 26, 2015* -
## Math

*asked by Anonymous on February 26, 2015* -
## Pre-Algebra

Solving it would give u x = -4...but I am not sure how you would graph that. You see, a linear inequality is an inequality that has one of the following four forms: Ax + By < C Ax + By > C Ax + By < C Ax + By > C PLZ!Somebody tell me the answer! PLZZZ!

*asked by Raj on November 28, 2006* -
## time speed and distance

P, Q and R start from the same place X at (a) kmph, (a+b) kmph and (a+2b) kmph respectively. If Q starts p hours after P, how many hours after Q should R start, so that both Q and R overtake P at the same time? Answer is pa/a+2b Please solve this

*asked by Dharmesh on October 27, 2016* -
## Math

A wire is stretched from the top of a 12-foot pole to a stake in the ground and then to the base of the pole. If a total of 20 feet of wire is needed, how far is the stake from the pole (the answer is NOT 16)

*asked by AJ on April 3, 2012* -
## Math Homework

Sheila's first jump was 3 yards 2 feet 8 inches her second was 2 yards 1 foot 10 inches how much longer was her first jump? express your answer in inches I'm having a hard time setting this up

*asked by AC on April 10, 2015* -
## maths

A pick up truck is carrying 500 pounds of cargo. When empty, the truck weighs 2 1/2 tons. What is the weight of the truck and its cargo in tons? Is this answer right 1250tons.

*asked by miki on December 12, 2011* -
## physics

Car X passes car Y on a motorway. Car X is travelling at 1.5 times the speed of car Y. The mass of car X is 5/4 of the mass car Y. How do the kinetic energies of the two cars compare? (the answer is KE (X) = 1.80 * KE (Y))

*asked by Valeriya on February 4, 2019* -
## physical science

For each pair of substances, which of the substance with more thermal energy and explain why. a.500 g of water at 35„aC vs. 500 g of water at 85„aC b.500 g of water at 35„aC vs. 250 g of water at 35„aC I don't know how to determine the answer

*asked by Randylin on July 5, 2011* -
## math

An 11-ft ladder leans against the side of a house. The bottom of the ladder is 8 ft from the side of the house. How high is the top of the ladder from the ground? If necessary, round your answer to the nearest tenth.

*asked by chrsitna on March 9, 2017* -
## Science-Chemistry

? ZnS+?O2 !? ZnO+? SO2 , what is the maximum amount of ZnO (81.4084 g/mol) which could be formed from 12.85 g of ZnS (97.474 g/mol) and 15.91 g of O2 (31.9988 g/mol)? Answer in units of g

*asked by K.M. on September 17, 2012* -
## Math

Yvette earned $66.00 for 8 hours of work. Lizbeth earned $68.80 working the same amount of time. How much more per hour did Lizbeth earn than Yvette earned? a. $0.35 b. $0.45 c. $2.80 d. $8.25 Answer-c Please check the above.

*asked by Patrick on February 17, 2016* -
## Geometry (immediate help and explanation)

A bridge is the shape of an arc of a circle. The bridge is 8 feet tall and 36 feet wide. What is the radius of the circle that contains the bridge? Round your answer to the nearest tenth.

*asked by Isabel on February 20, 2013* -
## math (long div.)

please help me solve long division :( 1.)8 divided by 6984 (0.00114548) 2.)48 divided by 7584 (0.00632911) 3.)35 divided by 19933 (0.00175588) I know the answer to all of them but I don't know how to solve it the long way .

*asked by ty on August 29, 2013* -
## math algebra

Solve the following system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions. -a+b=-4 2a-3b=-2

*asked by jorge on May 3, 2012* -
## Chemistry

Determine the mass of zinc sulphide, Zns which is produced when 6.2 g of zinc and 4.5 g of sulphur are reacted. My answer was 9.26 grams of zinc sulphide are produced. I wanted to verify if this was right. Please let me know. Thanks.

*asked by Rose on October 19, 2010* -
## physics

To recharge a 12 V battery, a battery charger must move 2.7 × 105 C of charge from the negative terminal to the positive terminal. How much work is done by the battery charger? Answer in units of J

*asked by Anonymous on April 16, 2012*

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