# Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18

40,002 questions, page 344-
## algebra A055,

World Records in the 1500-m Run. The formula R = -0.075t + 3.85 can be used to predict the world record in the 1500-m run t years after 1930. Determine (in terms of an inequality) those years for which the world record will be less than 3.5 min. { Y l Y >

*asked by martin on June 2, 2015* -
## Stats and Data

Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

*asked by Salman on December 2, 2010* -
## chemistry

Consider the following reaction. SO3(g) + H2O(l) → H2SO4(aq) A chemist allows 60.9 g of SO3 and 11.1 g of H2O to react. When the reaction is finished, the chemist collects 54.4 g of H2SO4. Determine the limiting reactant, theoretical yield, and percent

*asked by Jena on March 20, 2015* -
## fluid

a tap discharge water evenly in a jet at a velocity of 2.6 m/s at the tap outlet, the diameter of the jet at this point being 15 mm. the jet flows down vertically in a smooth stream. determine the velocity and the diameter of the jet at 0.6 m below the tap

*asked by nono on December 23, 2013* -
## Math

Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

*asked by Salman on December 2, 2010* -
## Math

to determine the number of catfish in a pond, a game warden catches 131 catfish, tags them and throws them back into the pond. later, 20 catfish are caught, 10 of them are tagged. How many catfish would the game warden expect to be in the pond? 131/10 20/x

*asked by Kayla on June 15, 2015* -
## Math

There are three landscapers that are instructed to prune a tree. One of them alone can complete the task in 30 minutes, another is twice as fast as the first landscaper, and the thrid is a quarter as fast as the first two landscapers working together.

*asked by Kelly on October 15, 2007* -
## Maths

Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

*asked by Salman on December 2, 2010* -
## algebra A055,

World Records in the 1500-m Run. The formula R = -0.075t + 3.85 can be used to predict the world record in the 1500-m run t years after 1930. Determine (in terms of an inequality) those years for which the world record will be less than 3.5 min. { Y l Y >

*asked by martin on June 2, 2015* -
## Statistics

According to a recent survey, 75% of all customers will return to the same grocery store. Suppose 8 customers are selected at random: A) What is the probability that exactly five of the customers will return? B) What is the profability that all 8 will

*asked by Maria B on March 16, 2011* -
## Business

If the firm’s beginning cash balance for the budget period is $7,000, and this is its desired minimum balance, determine when and how much the firm will need to borrow during the budget period. The firm has a $50,000 line of credit with its bank, with

*asked by kim on October 19, 2014* -
## Physics

A platform rotates at an angular speed of 2.2 rad/s. A block rests on this platform a distance of 0.3m from the axis. (friction coefficient .5) Without any external torgue acting on the system, the block is moved toward the axis. Ignore the moment of

*asked by Lola on May 5, 2010* -
## chemistry

a. A 0.1 molal solution of a weak monoprotic acid was found to depress the freezing point of water 0.1930C. Determine the Ka of the acid. You can assume 0.1 molal and 0.1 molar are equivalent. b. 100 ml of a 0.1M solution of the above acid is titrated with

*asked by billy on February 12, 2012* -
## Physics

A block of mass m1=1.6kg, initially moving to the right with a velocity of +4m/s on a frictionless horizontal track, colides with a massless spring attached to a second block of m2=2.1kg moving left with a velocity of -2.5m/s. The spring constant is 600

*asked by Andrea on June 5, 2013* -
## Physics

Water flows from a fire truck through a hose that is 11.7 cm in diameter and has a nozzle that is 2.0 cm in diameter. The firemen stand on a hill 5.0 m above the level of the truck. When the water leaves the nozzle, it has a speed of 20.0 m/s. 1) Determine

*asked by Al on April 10, 2017* -
## Calculus

Say we want to determine how many people we can invite to a party for a given budget ($ input). We want one snack and one soda for each person. The snack cost is $1 and the soda cost is $1 per can for $2 total. Write a function that outputs how many people

*asked by Jada on March 5, 2011* -
## algebra

Note: Remember to show all of the steps that you use to solve the problem. You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality. (2 points) *Step 1:

*asked by unknown on January 11, 2016* -
## English

I left out a few things. Thank you very much for helping me. 1) Amnesty works by collecting information. When it has a proof that a person is a 'Prisoner of Conscience', then a person's case is handed over to a local group. Question: Amnesty gathers

*asked by Matthew on April 14, 2012* -
## Math, Analytic Geometry

Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10

*asked by Kniasia on March 3, 2015* -
## calculus-can someone please help me with this ques

I have two questions if someone can PLEASE help. 1.solve the equation in the real number system. x^4+11x^3+24x^2-23x+35=0 **Please show work** 2.Use the remainder theorem to find the remainder. When f(x)is divided by x-3. Then use the factor theorem to

*asked by Jennifer on December 30, 2012* -
## Math/Science

Three bullets are fired simultaneously by three guns aimed toward the center of a circle where the bullets mash into a stationary lump. The angle between the guns is 120°. Two of the bullets have a mass of 9.30 10-3 kg and are fired with a speed of 440

*asked by Anonymous on October 19, 2014* -
## Finance

Suppose that 1 year later, NTT's common stock is selling for $75 per share. During the 1-year period, NTT paid $4 commons stock dividend. Determine the realized (ex-post) percentage holding period return on NTT common stock. What if it was sold for $58 1

*asked by Greatdanelola on September 21, 2008* -
## chemistry help

Determine the number of moles of each specified atom or ion in the given samples of the following compunds.( Hint: the formula tells you how many atoms or ions are in each molecule of formula unit.) a. O atom in 3.161x10^21 molecules of CO2 b. C atom in

*asked by jaz on March 8, 2009* -
## physics

Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.50 T. When viewed edge-on, the first surface is tilted at an angle of 11° from the horizontal, and a net magnetic flux of 8.20 10-3 Wb passes through it. The same net

*asked by Anonymous on February 9, 2012* -
## geometery

please walk me through this I am having a hard time with this A survey of 500 showed the following 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had

*asked by carol on January 21, 2013* -
## AP physics

A water skier, moving at a speed of 8.61 m/s, is being pulled by a tow rope that makes an angle of 34.9 ° with respect to the velocity of the boat. The tow rope is parallel to the water. The skier is moving in the same direction as the boat. If the

*asked by Johnny on February 18, 2011* -
## chem

determine the osmotic pressure of the solution at STP. (Assume these solutions behave ideally.) a)0.116 mol fraction glucose (C6H12O6) in water (Assume the density of the solution is 1.02 g/mL.) b)0.0948 mol fraction NaCl in water (Assume the density of

*asked by Rukky on January 26, 2011* -
## physic

A 22.2 kg mass attached to a spring scale rests on a smooth, horizontal surface. The spring scale, attached to the front end of a boxcar, reads T 44.1 N when the car is in motion. If the sring scale reads zero when the car is at rest, determine te

*asked by Anonymous on September 12, 2014* -
## Math

Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10

*asked by Jae on March 30, 2012* -
## Chemistry

0.717 g of a compound containing carbon, hydrogen, and oxygen is burned and found to produce 1.02 g CO2 and 0.624 g H2O. The molar mass of the compound is 124 g/mol. (a) Write a chemical equation for the combustion of this unknown hydrocarbon. (b)

*asked by Anonymous on August 24, 2011* -
## Chemistry

Nitric oxide (NO) reacts with molecular oxygen as follows: 2NO(g) + O2(g) ¨ 2NO2(g) Initially NO and O2 are separated as shown below. When the valve is opened, the reaction quickly goes to completion. Determine what gases remain at the end of the

*asked by Sarah on October 31, 2010* -
## Chemistry HELP!!!!

Nitric oxide (NO) reacts with molecular oxygen as follows: 2NO(g) + O2(g) ¨ 2NO2(g) Initially NO and O2 are separated as shown below. When the valve is opened, the reaction quickly goes to completion. Determine what gases remain at the end of the

*asked by mia on October 31, 2010* -
## Physics

A person must move two heavy packages over a surface level so they place a 20kg package over a 30kg package and decide to move them together. The coefficient of kinetic friction between the lower package and the ground is 0.3. The person exerts a force of

*asked by Alex on April 2, 2008* -
## Physics

A person must move two heavy packages over a surface level so they place a 20kg package over a 30kg package and decide to move them together. The coefficient of kinetic friction between the lower package and the ground is 0.3. The person exerts a force of

*asked by Alex on April 2, 2008* -
## science please help asap

1. A 2. A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction 3.a force of 318.123N accelerates a car at

*asked by Buhle on February 26, 2015* -
## algebra

One elegant hotel has a grand dining room. Each of the room’s three walls facing the gardens contains 8 insulated windows. The dimensions of the window are shown. When the windows were insulated, a glaze was appplied to the exterior face to seal each

*asked by please help ms sue on December 18, 2018* -
## science/chemistry

HELP,HELP,HELP,HELP How can you tell that cobalt(II) iodide is binary ionic compound formed by a transition metal with more than ionic charge? Thanx in Advance form jeff Cobalt(II) chloride tells you it is binary (composed of two different atoms), cobalt

*asked by Jeff on January 5, 2007* -
## Education technology

Read the following scenario and determine the willing participant. Eboni’s friend, Margo, was eager to tell her about the new friend she met online. She began chatting with Aaron on a social networking website and found out that they had a lot in common.

*asked by Bryan on May 6, 2016* -
## math

The CN Tower in Toronto, Canada, is the tallest free-standing structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle

*asked by Anonymous on October 23, 2013* -
## Algebra

If x pounds of cashews valued at $6.00 per pound are to be mixed with y pounds of peanuts valued at $4.00 per pound to obtain a 40 pound cashew-peanut mixture. Find x and y so that when the mix is sold for $4.75 per pound, the same amount of revenue is

*asked by Shay on October 13, 2016* -
## Pre-Calc

The CN Tower in Toronto, Canada, is the tallest free-standing structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle

*asked by Susan on November 19, 2015* -
## Physics

One end of a uniform 3.20-m-long rod of weight Fg is supported by a cable at an angle of θ = 37° with the rod. The other end rests against the wall, where it is held by friction as shown in the figure below. The coefficient of static friction between the

*asked by Joe on April 5, 2014* -
## statistics check my answers please

1)A nutritionist wants to study the effect of storage time (6, 12, and 18 months) on the amount of vitamin C present in freeze dried fruit when stored for these lengths of time. Vitamin C is measured in milligrams per 100 milligrams of fruit. Six fruit

*asked by Anonymous on November 16, 2006* -
## PHYSICS PLEASE HELP

A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. (b) Calculate the buoyant force acting on the balloon. ____________N (c) Find the net

*asked by AMY on November 8, 2012* -
## Chemistry

In each of the following, determine how much solute (in g or mL) must be added to the correct quantity of water to make the given amount of solution at the correct concentration. a)KI to make 50.0mL of a 0.50 M solutioon b)12.0 M HCL to make 500 mL of a

*asked by Kim on May 2, 2010* -
## MATH HELP!

Help with any of these would be greatly appreciated! THANK YOU! 2. How would i determine the values of 'k' if the graph y=2x^2-2x+3k intersects the x-axis at two distinct points? 3. The path of a basketball can be modeled by the equation h(d)=-0.13d^2+d+2.

*asked by Rachel on July 24, 2008* -
## Algebra

How can you determine if a polynomial is the difference of two squares? I think that if the polynomial is x^2-64 that this is a polynomial that is a difference of two squares because if you factor it out you would get (x+8)(x-8). If the 64 in my example

*asked by Laura on August 30, 2008* -
## Algebra

Over 350 students took a college calculus final exam. the scores of the students follow a normal distribution. using the information given below, determine the mean and the standard deviation for the students'scores. Give your answers to the nearest tenth

*asked by Stephanie on December 27, 2015* -
## Physics

A superhero flies 235 m from the top of a tall building at an angle of 25 below the horizontal. What is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer. Answer in units of m Your

*asked by Crystal on September 30, 2012* -
## physics

A water bed has dimensions of 1.83mx1.86mx.238m. The floor of the bed room will tolerate an additional weight of no more than 6660N. Find the weight of the water in the bed and determine whether it should be purchased. The weight of the water in the water

*asked by CJ on April 7, 2007* -
## Engineering

A 10.0 Kg block is released from point A in the figure below. The block travels along a smooth frictionless track. It makes a collision with stationary 10 kg ball. The ball moves forward with speed of 2 m/s. a) What is the speed of the block at point C? b)

*asked by Ahmed on June 7, 2013* -
## math 12 - sequences and series

Given the expression Sn = n^2 + 2n for the sume of the first n terms of a series, determine a) An expression, in simplified form, for Sn-1 in tmers of n b) an expression, in simplified form, for the nth terms, tn in terms of n

*asked by CL on March 1, 2010* -
## Calculus

Let f(x)=−x^4−8^x3+5^x+2. Find the open intervals on which f is concave up (down). Then determine the x-coordinates of all inflection points of f. 1. f is concave up on the intervals 2. f is concave down on the intervals 3. The inflection points occur

*asked by Emily on March 20, 2015* -
## MATHS TRIGONOMETRY

if 3sin theta =2 and cos greater than 0,with the aid of a diagram determine the value of: a) tan theta b) sin theta/cos theta c) sin^2 theta + cos^2 theta

*asked by LERATO VINJWA on May 23, 2016* -
## calculus

Let f (x) = x^2 + 5x-14. Find the open intervals on which f is concave up (down). Then determine the xcoordinates of all inflection points of f 1. f is concave up on the intervals 2. f is concave down on the intervals 3. The inflection points occur at x

*asked by Mandy on March 19, 2012* -
## calculus

Let f (x) =7x-5/x+3 . Find the open intervals on which f is concave up (down). Then determine the xcoordinates of all inflection points of f . 1. f is concave up on the intervals 2. f is concave down on the intervals 3. The inflection points occur at x =

*asked by Ting on March 19, 2012* -
## LANG

Determine whether the definition below is a direct definition or an indirect definition. chick: a young woman A. direct definition B. indirect definition I GOT B

*asked by kesha on February 18, 2012* -
## Math

Determine the digits of Y from these clues. The digits of Y add to 18. The first digit is 3 times the third digit. The second digit is 2 times the third digit. Y is a three digit number.

*asked by bob on June 18, 2013* -
## math

Determine the seating capacity of an auditorium with 10 rows of seats if there are 10 seats in the first row, 16 seats in the second row, 22 seats in the third row, 28 seats in the forth row, and so on ???

*asked by Ellie on October 25, 2009* -
## Chemisrty

Identify the type of question. Is it a literature research question, observation only question, demonstration question, or investigation question? How would you determine the PH of vinegar using cabbage juice as an indicator? (investigation) Do germaniting

*asked by Anonymous on September 14, 2015* -
## statistics

Imagine that you are interested in whether there is a relationship between the amount of coffee people drink and the number of hours they sleep each night. Determine whether you expect a positive or a negative relationship between the cups of coffee people

*asked by Beverly on February 13, 2012* -
## physics

A plane flies from base camp to Lake A, 220 km away in the direction 20.0° north of east. After dropping off supplies it flies to Lake B, which is 150 km at 30.0° west of north from Lake A. Graphically determine the distance and direction from Lake B to

*asked by carlton on September 12, 2012* -
## math

The a hollow cylinder. The internal and external radii are estimated to be 6 cm and 8 cm respectively, to the nearest whole number. The height of the cylinder is exactly 14 cm. (a) Determine the exactly values for internal and external radii which give

*asked by Kudu on February 7, 2015* -
## AP Biology

My F1 generation gave me 30 males (5 were mutated) and 10 females 5 were mutated. My F2 generation gave me 50 males, 20 were mutated, and 30 females, 15 were mutated. I don’t know how to determine my crosses identifying if its sex linked or autosomal and

*asked by Manuel on January 1, 2009* -
## physics

Two point charges are fixed on the y axis: a negative point charge q1 = -22 µC at y1 = +0.24 m and a positive point charge q2 at y2 = +0.37 m. A third point charge q = +7.7 µC is fixed at the origin. The net electrostatic force exerted on the charge q by

*asked by michelle on January 6, 2011* -
## physics

Two point charges are fixed on the y axis: a negative point charge q1 = -26 μC at y1 = +0.17 m and a positive point charge q2 at y2 = +0.35 m. A third point charge q = +9.5 μC is fixed at the origin. The net electrostatic force exerted on the charge q by

*asked by namabia on November 19, 2014* -
## Physics

Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.21 m and a positive point charge q2 at y2 = +0.38 m. A third point charge q = +8.5 µC is fixed at the origin. The net electrostatic force exerted on the charge q by

*asked by Anne on January 24, 2012* -
## Physics

Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.21 m and a positive point charge q2 at y2 = +0.30 m. A third point charge q = +8.5 µC is fixed at the origin. The net electrostatic force exerted on the charge q by

*asked by Sarah on September 6, 2013* -
## Math

A picture must be hung on a wall were the distance from the floor to ceiling is 8 feet. The center of the picture mist be 5 1/4 feet from the floor. Determine the distance from the ceiling to the top of the picture frame How do I do this solve this?

*asked by Ld on January 20, 2013* -
## Physics

Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.21 m and a positive point charge q2 at y2 = +0.38 m. A third point charge q = +8.5 µC is fixed at the origin. The net electrostatic force exerted on the charge q by

*asked by Anne on January 23, 2012* -
## math

The a hollow cylinder. The internal and external radii are estimated to be 6 cm and 8 cm respectively, to the nearest whole number. The height of the cylinder is exactly 14 cm. (a) Determine the exactly values for internal and external radii which give

*asked by kudu on February 7, 2015* -
## physics numerical

a long horizontal wire is rigidly placed, carrying a current of 50a. another parallel long wire carrying a current of 40a is just supported above it.determine the distance between them at which the upper wire can be just supported by magnetic repulsion

*asked by brock on October 20, 2011* -
## physics

Please Help, Two point charges are fixed on the y axis: a negative point charge q1 = -23 µC at y1 = +0.23 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +7.8 µC is fixed at the origin. The net electrostatic force exerted on

*asked by matt on March 30, 2012* -
## physics

Two point charges are fixed on the y axis: a negative point charge q1 = -23 µC at y1 = +0.23 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +7.8 µC is fixed at the origin. The net electrostatic force exerted on the charge q by

*asked by Kelly on March 29, 2012* -
## physics

Two point charges are fixed on the y axis: a negative point charge q1 = -22 µC at y1 = +0.24 m and a positive point charge q2 at y2 = +0.37 m. A third point charge q = +7.7 µC is fixed at the origin. The net electrostatic force exerted on the charge q by

*asked by michelle on January 6, 2011* -
## Physics help

Two masses m1 = 2 kg and m2 = 4 kg are connected by a light string. Mass m2 is connected to mass M = 14 kg by a string that passes over an ideal pulley. Determine the following quantities when the system is released from rest. (a) The acceleration of the

*asked by arcos15 on October 26, 2012* -
## statistics

It has been stated that income increases with the amount of education one receives. Recently I sampled some managers (technical, construction, sales, and manufacturing), compared their salaries to each other and asked the amount of education that had

*asked by John on March 20, 2011* -
## calclus

Is it possible to accurately approximate the speed of a passing car while standing in the protected front hall of the school? Task: Determine how fast cars are passing the front of the school. You may only go outside to measure the distance from where you

*asked by mariam on May 2, 2018* -
## Physics

A hockey player is initially moving at 5.00m s to the east. Her mass is 50.0 kg. She intercepts and catches on her stick a puck initially moving at 35.0m s at an angle of 30 degrees (Fig. 6.40). Assume that the puck’s mass is 0.50 kg and the two form a

*asked by Dave on April 1, 2015* -
## Physics

A microphone is attached to a spring that is suspended from the ceiling, as the drawing indicates. Directly below on the floor is a stationary 624-Hz source of sound. The microphone vibrates up and down in simple harmonic motion with a period of 2.31 s.

*asked by Amelia on February 1, 2018* -
## Physics

The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 3.50 105 Pa, and the horizontal divisions represent 2.00 10-3 m3. Determine the work done (including algebraic sign) in each segment

*asked by Johnson on April 20, 2008* -
## calclus

Is it possible to accurately approximate the speed of a passing car while standing in the protected front hall of the school? Task: Determine how fast cars are passing the front of the school. You may only go outside to measure the distance from where you

*asked by robin (urgent) on May 16, 2018* -
## Physics

The ship in Figure P14.35 travels along a straight line parallel to the shore and a distance d = 500 m from it. The ship’s radio receives simultaneous signals of the same frequency from antennas A and B, separated by a distance L = 800 m. The signals

*asked by Steve on February 28, 2013* -
## Physics

The ship in Figure P14.35 travels along a straight line parallel to the shore and a distance d = 500 m from it. The ship’s radio receives simultaneous signals of the same frequency from antennas A and B, separated by a distance L = 800 m. The signals

*asked by Steve on February 28, 2013* -
## US History

'Some Americans believe that government agencies should regulate the internet, setting guidelines for its contents and limiting access to databases containing personal information. Determine your opinion. List reasons why you support or oppose regulations

*asked by mysterychicken on October 4, 2010* -
## calclus

Is it possible to accurately approximate the speed of a passing car while standing in the protected front hall of the school? Task: Determine how fast cars are passing the front of the school. You may only go outside to measure the distance from where you

*asked by Eden (urgent) on May 17, 2018* -
## Chem Help Please!

Separation / Chromatography Lets assume I have three component mixture of liquids. And I wish to determine the quantity of each component present. I have reference samples of two of the components but the other component is not identified. How do I design

*asked by Ilginsh on September 24, 2014* -
## Chem Help Please!

Separation / Chromatography Lets assume I have three component mixture of liquids. And I wish to determine the quantity of each component present. I have reference samples of two of the components but the other component is not identified. How do I design

*asked by Ilginsh on September 24, 2014* -
## math

I am doing something wrong when I work this question. Can someone show me the steps. I have the answer. x

*asked by priscilla on April 14, 2007* -
## Language Arts

This question asks about your work in your reading character role. You may use your novel to help you answer the question. Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a

*asked by Help please! ASAP on May 14, 2017* -
## Tax consequence

Corporation is a calendar-year taxpayer. All of the stock is owned by Fred. His basis for the stock is $35,000. On 3/1 (non-leap year), Corporation distributes $120,000 to Evan. Determine the tax consequences of the cash distribution to Fred in each of the

*asked by help on August 5, 2006* -
## physics

An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 4.9 × 104 kg, and the force causes its speed to change from 7600 to 5400 m/s. (a) What is the work done by the

*asked by shaknocka on February 28, 2011* -
## physics

In a high speed chase, a policeman's car bumps a criminal's car directly from behind to get his attention. The policeman's car is moving at 40 m/s to the right and has a total mass of 1800 kg. The criminal's car is initially moving in the same direction at

*asked by ricky on October 31, 2017* -
## Afro

A man roll a boat in still water at a speed of 1m/s. The man set out to roll the boat in a river from a to b. The water in the river flows at 0.5m/s in the opposite direction.Determine the violocity of the boat through the water.

*asked by Fakorede segun on August 15, 2015* -
## Math

A trade bought corn for sh 20 per kilogram and beans for sh 60 per kilogram. She mixed the corn and beans and sold the mixture at sh 48 per kilogram. If she made a 60% Profit, determine the ratio corn: beans per kilogram in the mixture.

*asked by Kd on September 2, 2018* -
## Precalculus

How would you determine whether |y|= x^3 is symmetric with respect to the x-axis, y-axis, both, or neither. In my book it said to plug in (a,b) and to get an equation to compare the other ones to. So I got |b|= a^3. Then I plugged in (a,-b) to test the

*asked by Katie on October 14, 2008* -
## Algebra

A triangle has an area of 60 in^2. Its base is 10 inches and its height is √x inches. What is the value of x? What is the height of the triangle? Please show all work that you use to determine your answer. (Hint: The formula for the area of a triangle is

*asked by sarah on May 20, 2013* -
## geometry

Large triangle (30¢X, 60¢X, and 90¢X), the base is 15 feet. and small triangle (30¢X, 60¢X, and 90¢X) the above two triangle the ratio of the perimeter of the large triangle to the perimeter of the small triangle is ¡Ô3. Determine the area of the

*asked by Piggy on March 28, 2012* -
## geometry

Large triangle (30¢X, 60¢X, and 90¢X), the base is 15 feet. and small triangle (30¢X, 60¢X, and 90¢X) the above two triangle the ratio of the perimeter of the large triangle to the perimeter of the small triangle is ¡Ô3. Determine the area of the

*asked by Piggy on March 28, 2012* -
## chemistry

What is the percent ionization of a 1.38 mol/L weak acid if its Ka = 2.7 x 10-6? Answer to two (2) decimal places. I know what steps to use but have difficulty applying them to the quesiton Can someone please complete the question for me since there are

*asked by Anna on April 18, 2008*

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