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

143,010 questions, page 766-
## 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

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* -
## scientist

suppose a polar bear running with an initial speed of 4.0 m/s accelerates uniformly for 18s. what is the bear's maximum speed if the bear travels 135m during the 18s of acceleration? Give the answer in both meters per second and kilometers per hour.

*asked by NoNo100 on September 16, 2009* -
## 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* -
## 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* -
## chemistry

Calculate the pH at the equivalence point for the titration of a solution containing 1250.0 mg of hilariamine (MW = 92.5 g/mol, Kb = 8.1×10−4) with 0.1000 M HCl solution. The volume of the solution at the equivalence point is 175.0 mL. (I got the answer

*asked by vivian on May 15, 2011* -
## 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* -
## 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* -
## Math help please!!!!!

The ladders shown below are standing against a wall at the same angle.How high up the wall does the longer ladder go?(All meausurements are in feet.) The long side of the big ladder ie 30 and the other side is X. Smaller ladder is 24 and 10. A.11.25ft

*asked by callie on November 10, 2014* -
## Physics

Water flows into a swimming pool at the rate of 5 . 25 gal / min. If the pool dimensions are 33 . 8 ft wide, 40 ft long and 11 . 1 ft deep, how long does it take to fill the pool? (1 gallon = 231 cubic inches) Answer in units of min

*asked by Sydney on August 30, 2013* -
## physics

An electron in a vacuum is first accelerated by a voltage of 15600 V and then enters a region in which there is a uniform magnetic field of 0.689 T at right angles to the direction of the electron’s motion. What is the force on the electron due to the

*asked by grace on May 6, 2019* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Physics

An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.9 s. A passenger in the elevator is holding a 5.3 kg bundle at the end of a vertical cord. The acceleration of gravity is 9.8 m/s2 . What is the tension in the

*asked by Cole on September 19, 2010* -
## 5TH GRADE MATH

John placed 128 beads in equal rows to make an art project. His friend Mark used 125 beads to make a similar project. Is it possible for their projects to contain the same number of beads in a row? Please show and explain the answer.

*asked by Stephon on November 24, 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* -
## 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* -
## 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* -
## 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 Melvin on June 2, 2019* -
## Science

Which branches of science do pharmacists need knowledge of to do their job properly? A.physics and chemistry B.biology and chemistry C.chemistry and geology D.physics and computer science Is the answer B?

*asked by Gwen on August 19, 2014* -
## Social Studies

Question: Why do some people object to foreign ownership of the us business and real estate? My Answer: Many people argue against foreign ownership because they worry about foreign control.

*asked by Kathy on June 26, 2012* -
## Math

A function that represents the volume of a cardboard box is V(x) = -0.65x^3 + 4x^2 + 3x, where x is the width of the box. Determine the width that will maximize the volume. What are the restrictions on the width? The answer is 4.45 and domain is 0

*asked by laura on September 25, 2012* -
## 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* -
## 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* -
## CHEMISTRY

Method for getting correct answer for this? Thank you! For the reaction A ↔ 2B K = 3.80x10-7 , if one started with 0.154 M A approximately how much A and B would there be after equilibrium had been established? a. very little A, 0.154 M B b. 0.126 M A;

*asked by Chemistry on April 6, 2014* -
## 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* -
## 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* -
## 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 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* -
## 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* -
## 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* -
## 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* -
## physics

What is the linear speed of Saturn in its orbit about the sun? Give your answer in meters per second. (Consider the orbit of Saturn to be a circle of radius 1.43×1012 m and that it takes 29.50 yr for one orbit around the sun.)

*asked by Cole Lovick on September 22, 2014* -
## Math

In one hour, Ed used 2/5 of time to complete his homework and 1/4 of the time to check his email. How much time did he spend completing homework and checking email? Write answer as a fraction

*asked by Olga on February 9, 2017* -
## physics

A man jogs at a speed of 1.7 m/s. His dog waits 1.9 s and then takes off running at a speed of 2.7 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 gera on January 23, 2013* -
## math

the question is: If you know that 4 of the 10 items on a true-false test are false, how many different ways could you select 4 items to mark as being false? I think the answer is 10P4=10*9*8*7/4*3*2*1=5040/24=210 ways

*asked by ginger on February 4, 2011* -
## 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* -
## 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* -
## introductory to physics

A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 4.0 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 alicia on March 4, 2014* -
## Latent heat of vaporization

If 44.25 kJ of heat are released by changing 150. g of liquid mercury to mercury vapor, what is the latent heat of vaporization for mercury in kJ/kg? 29,500 kJ/kg 0.3 kJ/kg 295 kJ/kg 3.4 kJ/kg I believe the answer is 295 but I am not sure

*asked by Summer on April 11, 2018* -
## 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* -
## 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* -
## Algebra II

12. A sphere has a radius of 4x + 1. Which polynomial in standard form best describes the total surface area of the sphere? Use the formula S = 4 r2 for the surface area of a sphere. (1 point) 64 x2 + 32 x + 4 64 x2 + 16 x + 4 *my answer 4 x2 + 32 x + 64 4

*asked by Sandra on October 6, 2014* -
## 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* -
## Chemistry (latent heat)

If 44.25 kJ of heat are released by changing 150. g of liquid mercury to mercury vapor, what is the latent heat of vaporization for mercury in kJ/kg? 29,500 kJ/kg 0.3 kJ/kg 295 kJ/kg 3.4 kJ/kg I believe the answer is 295 but I am not sure

*asked by Summer on April 11, 2018* -
## math***CHECK ANSWER***

please check this one answer. 3.everyone in andy's class has to do a science project. Out of the 20 students,80% have completed their project.how many students still need to finish their projects? A.100 students B. 36 students C. 16 students D. 4 students

*asked by mose on February 6, 2014* -
## 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* -
## math

How many fewer minutes would it take the driver to travel a distance of 10 miles at a speed of 65 miles per hour than at a speed of 50 miles per hour? Round your answer to the nearest minute.

*asked by mathew on November 19, 2015* -
## 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* -
## Math

The New York State Lottery advertises that for its instant lottery games there is a 4 in 21 chance of winning. If you buy only 1 instant lottery card, what is the chance you will win? I think the answer is 4/21 but am not sure.

*asked by mike on October 7, 2014* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## overt vs. covet

what is an overt behavior??? what is a covert behavior??? what is the difference between overt and covert behavior??? how to assess a person with this kind of behaviors??? thanks a lot for having your time to answer this question...

*asked by stunning gurl on December 9, 2007* -
## 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* -
## math

h worked the following problem incorrectly. Part 1) In which line was the mistake made? Part 2) Show your work and give the correct answer? Line 1 40 ÷ 5(3 − 1) − 4 Line 2 40 ÷ 5(2) − 4 Line 3 40 ÷ 10 − 4 Line 4 4 − 4 Line 5 0

*asked by paige on March 21, 2012* -
## Algebra II

The problem is 5x to the 3rd times (7x)squared. I multiplied (7x)(7x) first and got x squared + 14x + 49. Then I multiplied each of those by 5x to the 3rd and came up with an answer of: 5x to the 5th + 70x to the 4th + 245x to the 3rd. Did I get this one

*asked by Lucy on February 3, 2008* -
## statistic

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.4 years, and standard deviation of 1.6 years. The 10% of items with the shortest lifespan will last less than how many years? Give your answer to one decimal

*asked by moon on January 8, 2018* -
## Chemistry

A sample of air contains 21.9ìg/m3 of beryllium dust. How many atoms of beryllium are present in a room with dimensions of 8 feet by 12.3 feet by 18.3 feet? Answer in units of atoms.

*asked by Cheyenne on September 23, 2010* -
## 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

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* -
## 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* -
## 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

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* -
## 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* -
## algebra 1

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. 5x=y=15 3x+2y=9

*asked by Anonymous on June 25, 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* -
## Excel

When I use the sum button it gives me the wrong answer but when I times it comes out right. How do I put the total in the total column? Please help if you know how use excel! Cost/Units Number of Units Total Cost $0.99 40 $2.99 25

*asked by crystal on January 30, 2011* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## math

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

The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 27 inches, how long is each spoke? Round your answer to the nearest hundredth. A. 2.93 B. 2.07 C. 8.59 D. 4.30

*asked by Michael on August 13, 2014* -
## discrete

we have 20 kinds of presents. we want to give 12 children presents but each child doesn't need to get one. No child can get 2 copies of the same present. in how many ways can we give presents? please explain! the answer is (2^20)^12 but i don't see why

*asked by ali on January 31, 2013* -
## 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* -
## 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* -
## physical science

can two or more elements be combined chemically to make a new element? Explain. My answer: No, it becomes a compound which is a substance combined of two or more elements chemically combined not sure if correct - I am doing the review and not sure of a few

*asked by liz on October 6, 2007* -
## 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* -
## 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* -
## 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 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* -
## Science

How many cell divisions would it take to produce at least 1,000 cells from one cell? (When one cell splits in half during cell division, the result is two new cells. Each of those cells can divide into two more and so on.) Answer (256?)

*asked by Anonymous on April 21, 2014* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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*

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