# Adam

Most popular questions and responses by Adam-
## MATH -BRAIN TEASER- PLEASE HELP

Page # D-74 How Would You Describe a Dead Skunk? A skunked skunk. no What kind of answers do you have for the ones you have correct? exstankt extinct

*asked on December 17, 2006* -
## MATH -BRAIN TEASER- PLEASE HELP

page # D-76 What Relation Is a Doorstep to a Doormat? Both are stepped on. no You didn't put any parameters on this and I think its a great answer. How bout the relation being a stepson (steps on) I got astearther.... No wait it's A Step Farther eh....??

*asked on December 17, 2006* -
## math

china population is 1.33 billion and continues to grow at the same rate,how many years until the population reaches 1.5 billion people?

*asked on May 18, 2017* -
## ELA- foreshadowing

what lines are foreshadowing I fear, too early: for my mind misgives Some consequence yet hanging in the stars Shall bitterly begin his fearful date With this night's revels and expire the term Of a despised life closed in my breast By some vile forfeit of

*asked on December 15, 2011* -
## phsycs

A person shouts in a canyon. 3 s later they hear the echo. How far away is the canyon wall from which the sound wave was reflected? how do i do this problem?

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

What did Simón Bolívar promise Alexandre Pétion in exchange for weapons and Haitian troops? A.to promote international trade with Haiti B.to end slavery in Venezuela C.to support Pétion’s bid for reelection in Haiti D.to invade the Dominican Republic

*asked on January 20, 2018* -
## Math

Evan type 72 pages of notes one day. He typed one half of the pages in the morning and one third of the pages in the afternoon. He type the rest of the pages in the evening. How many pages of notes that he typed in the morning and afternoon

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

Pure phosgene gas (COCl2), .03mole, was placed in a 1.5 L container. It was heated to 800k, and at equilibrium the pressure of CO was found to be .497 atm. Calculate the equilibrium constant Kp for the reaction CO(g) + Cl2(g) = COCL2(g)

*asked on April 25, 2010* -
## Chemistry

The solubility product constant of Calcium hydroxide is 6.5 * 10^-6 . If 0.10 mo of sodium hydroxide is added to 1 L of 0.0001 M Ca(OH)2, what is the final concentration of the calcium ion? SHOW your work. Again, I have no idea where to start

*asked on May 17, 2016* -
## Chemistry

An aqueous KNO3 solution is made using 72.5 grams of KNO3 diluted to a total solution volume of 2.00 liters. If the molarity of the solution is .359 M and the molality of the solution is .354, what is the mass percent of the solution?

*asked on February 19, 2012* -
## Math

For traffic that flows on a highway, the headway is the average time between vehicles. On four-lane highways, the probability P (as a decimal) that the headway is at least t seconds when there are 500 vehicles per hour traveling one way is given is P =

*asked on March 12, 2017* -
## algebra

Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 2 – 11x^2 – 8x + 6x^2 A. –5x^2 – 8x + 2; quadratic trinomial B. –5x^2 – 8x; quadratic binomial C. –6x^2 – 8x – 2; cubic polynomial D.

*asked on October 2, 2016* -
## Physics

A skier goes down a slope inclined at 25 degrees. Her mass including equipment is 60.0kg. a. What is her acceleration if friction is negligible? b. What is her acceleration if friction is 45.0 N?

*asked on October 23, 2010* -
## math

The value of 4x^3-x/(2x+1)(6x-3) when x=9999 If 7 men working 7 hrs a day for each of 7 days produce 7 units of work, then the units of work produced by 5 men working 5 hrs a day for each of 5 days is? Pls help***

*asked on November 19, 2015* -
## Language Arts

wet with dew straggly branches slapped and scratched at my legs and hid uneven ground so that several times tumbling and sliding downward which type of conflict best characterizes the event in the passage? a character vs self b character vs nature c

*asked on May 10, 2016* -
## ALGEBRA-Help please

Mrs. Scott decided that she would spend no more than $120 to buy a jacket and a skirt.f the price of the jacket was $20 more than 3 times the price of the skirt, find the highest possible price of the skirt. How to set up this

*asked on October 27, 2011* -
## CALC

Use Newton's method to approximate a root of the equation x3+x+3=0 as follows. Let x1=–1 be the initial approximation. The second approximation x2 is _____? and the third approximation x3 is _____?

*asked on May 29, 2010* -
## Physics

A 70 kg person stands on a 30 kg platform and pulls on a massless rope with a force of 400 N. The rope passes around a pulley attached to a support (roof), and then around a second pulley attached to the platform before being anchored to the support

*asked on January 22, 2013* -
## Physics (As Level) 12 Grade

2) An aircraft lands on a runway at a speed of 40 meters per second (ms^-1) and brakes to a halt in a distance of 860m. Calculate a) The Braking time. B) The deceleration of the aircraft.

*asked on January 30, 2013* -
## Chemistry

A 45.0 g piece of copper wire is heated. And the temperature of the wire changes from 21.0 degrees C to 88.0 degrees C. The amount of heat absorbed is 280.6 cal. Find the specific heat of Copper. SHOW your work. Please help! I have no Idea where to start

*asked on May 17, 2016* -
## math

Sohini bought 400 eggs at Rs 8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15 percent? Give me the solution of it. Urgent**

*asked on November 18, 2015* -
## Chemistry please help

Elemental mercury was first discovered when a mercury oxide was decomposed with heat, forming mercury metal and oxygen gas. When a 0.204-g sample of the mercury oxide is heated, 0.189 g of mercury metal remains. a)what is mole ratio of mercury to oxygen in

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

find the concentrations of H+, HCO3-, CO3 2- in a 0.025M in H2CO3 solutions

*asked on February 22, 2016* -
## Physics

an adult 68 kg cheetah can accelerate from rest to 20.1 m/s (45 mph) in 2.0 s. Assuming constant acceleration, (a) find the net external force causing this acceleration. (b) where does the force come from? that is, what exerts the force on the cheetah?

*asked on October 4, 2009* -
## socials 9

. What was the Reign of Terror? If you asked Robespierre how he, a man once opposed to the death penalty, could then approve of the Reign of terror, what would he say? Write a short speech that Robespierre might have given to the committee of Public Safety

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

Which of the following is an example of a narrative poem? A. The Bridegroom by Alexander Pushkin B. The Fish by Elizabeth Bishop C. Danny Deever by Rudyard Kipling D. All of the above

*asked on July 6, 2016* -
## chemistry

What is the molarity of a saline solution that contains 0.900 g NaCl (58.44 g/mol) dissolved in 100.0 ml of a solution?

*asked on June 24, 2012* -
## chemistry

1) Rank the elements, aluminum, sodium and phosphorus, in order of decreasing conductivity. 2) Rank the elements aluminum, gallium, and boron in order of decreasing conductivity

*asked on November 15, 2009* -
## Chemistry

A few drops of AgNO3 is added to a sample of the unknown. A white precipitate appears. Which ion is present?

*asked on June 6, 2011* -
## college

A 3.2 kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling and has an elastic potential energy of 1.8 J. What is the elastic potential energy of the system when the 3.2 kg block is replaced by a 5.0 kg block?

*asked on May 9, 2010* -
## mathematics

true or false questions Help Please! 1. A person selecting a bank will consider how convenient it is, how safe it is, and how secure their return is. 2. Wills and estate planning services are available at the bank, but financial counseling is not. 3.

*asked on January 26, 2010* -
## Chemistry

what volume of oxygen at 423.0K and a pressure of 127.4kPa will be produced by the decomposition of 129.7g barium peroxide to form barium oxide and oxygen gas? Thank you

*asked on November 27, 2015* -
## Mathematics Ms Sue help

You want to estimate the height of the Empire State Building. You start at its base and walk 15 m away. Then you approximate the angle from the ground at that point to the top to be 88 degrees. How tall do you estimate the Empire State Building to be?

*asked on May 20, 2013* -
## college physics

A popular daredevil trick is to complete a vertical loop on a motorcycle. This trick is dangerous, however, because if the motorcycle does not travel with enough speed, the rider falls off the track before reaching the top of the loop. What is the minimum

*asked on May 14, 2010* -
## Chemistry

a) A sprinter must average 24.0 mi/h to win a 100-m dash in 9.30 s. What is his wavelength at this speed if his mass is 84.5 kg? b) For potassium metal, the work function W (the minimum energy needed to eject an electron from the metal surface) is 3.68 ×

*asked on October 5, 2014* -
## Math 1324

A manufacturer produces two models of elliptical cross-training exercise machines. The times for assembling, finishing, and packaging model A are 3 hours, 3 hours, and 0.8 hour, respectively. The times for model B are 4 hours, 2.5 hours, and 0.4 hour. The

*asked on May 10, 2016* -
## CALC

A rancher wants to fence in an area of 1500000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence that the rancher can use?

*asked on May 29, 2010* -
## 3rd grade math

If you multiply me by 2, I become a number greater than 20 and less than 40. If you multiply me by 6, I end in 8 Multiply me by 4, I end in 2

*asked on May 11, 2010* -
## Physics 11th Grade

A foam ball of a mass of 0.150 g carries a charge of -2.00 nC. The ball is in a uniform electric field, and is suspended against the force of gravity. What are the magnitude and direction of the electric field?

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

Caluculating Mass! You push yourself on a skateboard with a force of 30 N and accelerate at 0.5m/s 2. Find the mass of the skateboard if your mass is 58 kg.

*asked on October 12, 2010* -
## Math

A bowl has red,green and blue marbles.There are 95 red marbles.the nuber of blue marbles is 5 timesthe number of green mables altogether red and green marbles are 189 less then blue marbles .how may marbles are there in total

*asked on May 6, 2016* -
## physics

A boulder with a mass of 2,500 kg on a ledge 200 m above the ground falls. If the boulder's mechanical energy is conserved, what is the speed of the boulder just before it hits the ground?

*asked on November 9, 2010* -
## Statistics and Probability

A research manager at Coca-Cola claims that the true proportion, p, of cola drinkers that prefer Coca-Cola over Pepsi is greater than 0.50. In a consumer taste test, 100 randomly selected people were given blind samples of Coca-Cola and Pepsi. 58 of these

*asked on March 23, 2011* -
## Organic chem

Classify each as a lewis acid or lewis base... A)H20 B)O2- C)Cu2+ D)SO3 E)AlCl3 Lewis acids are electron pair acceptors. Lewis bases are electron pair donors. Look at H2O, for example. .. H:O: .. H This molecule has no "holes" to accept an electron. Would

*asked on October 15, 2010* -
## Algebra II

"Write a system of equations in three variables that has a single solution of (-1, -2, -3)" The first equation that I made was x+y+z = -6, but I'm not sure on how to continue with it.

*asked on January 13, 2019* -
## Chem

Express the concentration of a 0.0700 M aqueous solution of fluoride, F-, in mass percentage and in part per million. Assume the density of the solution is 1.00 g/mL.

*asked on September 4, 2015* -
## math

If a bicycle wheel has traveled f/π feet after n complete revolutions, what is the length in feet of the diameter of the bicycle wheel? A. f/nπ^2 B. π^2/fn C. nf/π^2 D. nf/π^2 E. f/n

*asked on August 15, 2014* -
## Trig

Suppose you would like to cross a 200-foot wide river in a boat. Assume that the boat can travel 35 mph relative to the water and that the current is flowing west at the rate of 5 mph. What bearing should be chosen so that the boat will land at a point

*asked on November 18, 2012* -
## Chemistry

You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid (pKa = 4.20) and 0.180 M sodium benzoate How much of each solution should be mixed to prepare this buffer?

*asked on August 13, 2013* -
## Physics

A proton is at the origin and an electron is at the point x = 0.37 nm, y = 0.39 nm Find the electric force on the proton? I don't even know where to start. Can someone help me?

*asked on August 13, 2009* -
## Physics please help

A small circular object with mass m and radius r has a moment of inertia given by I = cmr2. The object rolls without slipping along the track shown in the figure. The track ends with a ramp of height R = 3.0 m that launches the object vertically. The

*asked on March 29, 2012* -
## finance

You were hired as a consultant to Giambono Company, whose target capital structure is 40% debt, 15% preferred, and 45% common equity. The after-tax cost of debt is 6.00%, the cost of preferred is 7.50%, and the cost of retained earnings is 12.75%. The firm

*asked on April 2, 2011* -
## college physics

A board of mass m and length L is leaning against a wall. The wall is frictionless, and the coefficient of static friction between the board and the floor is µ. Find an expression for the minimum angle β at which the board can be leaned without slipping.

*asked on May 14, 2010* -
## Algebra II

A geyser sends a blast of boiling water high into the air. During the eruption, the height (h) (in feet) of the water (t)seconds after being forced out from the ground could be modeled by h = -16t*t + 70t. My question is how do you find the initial

*asked on March 12, 2008* -
## Math

Confused on this 8log8(19)=

*asked on September 27, 2015* -
## Organic Chem

Classify each as a lewis acid or lewis base... A)H20 B)O2- C)Cu2+ D)SO3 E)AlCl3

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

Ron is tiling a countertop he needs to place 54 square tiles in each of eight rows to cover the counter he wants to randomly place eight groups of four blue tiles each and have the rest of the tiles be white how many white tiles will Rod need? First I did

*asked on October 25, 2017* -
## Math

A box of cereal cost $3.59 for 30 oz. Find the unit rate.

*asked on November 3, 2011* -
## US History

2. Explain how trusts, pools, holding companies, and communities of interest work to reduce competition and to introduce 'economies of scale.'

*asked on January 9, 2014* -
## Chemistry

For the following reaction, identify the substance oxidized, reduced and the oxidizing and reducing agents. 2SO2 + O2 ----> 2SO3

*asked on October 30, 2013* -
## Physics

The center of a 1.10km diameter spherical pocket of oil is 1.10km beneath the Earth's surface. Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a uniform Earth? Assume the density of oil is . Express

*asked on April 5, 2010* -
## Chemistry 2

we make a solution of water and ethylene glycol c2h4(oh)2 which contains 24 g of the glycol for each 74 g of water. What is the boiling point of ethylene?

*asked on October 11, 2016* -
## physics

A wooden box, with a mass of 22 kg, is pulled at a constant speed with a rope that makes an angle of 25° with the wooden floor. What is the tension in the rope?

*asked on December 6, 2016* -
## physics

Suppose the stone is thrown at an angle of 30.0 degrees below the horizontal. If it strikes the ground 57.0 m away, find (a) the time of flight, (b) the initial speed, and (c) the speed and the angle of the velocity vector with respect to the horizontal

*asked on October 14, 2015* -
## Physics

Peggy drives from Cornwall to Atkins Glen in 52 min. Cornwall is 75 km from Illium in a direction 26° west of south. Atkins Glen is 27.1 km from Illium in a direction 16° south of west. Use Illium as your origin. (a) Draw the initial and final position

*asked on May 20, 2012* -
## physics

How far would you have to drill into the Earth, to reach a point where your weight is reduced by 8.0 ? Approximate the Earth as a uniform sphere.

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

Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low or unaffected? Explain. Please someone explain this to me I don't

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

What is the empirical formula of a compound that is 14 g calcium, 11 g oxygen, and 0.7 g hydrogen? A. CaO2H B. Ca2OH2 C. CaOH D. Ca(OH)2

*asked on August 15, 2013* -
## PHYSICS

WHAT TYPE OF MIRRORS ARE USED IN A PERISCOPE(CONCAVE, CONVEX?) ALSO,DRAW A RAY DIAGRAM OF A PERISCOPE

*asked on March 19, 2011* -
## college physics

A surfing physicist paddles out beyond the breaking surf to a deep-water region where the ocean waves are sinusoidal (can obey a sine or cosine function) in shape, with crest 14 m apart. The surfer rises a vertical distance 3.6 m from wave trough to crest,

*asked on May 14, 2010* -
## math

By your cell phone contract, you pay a monthly fee plus some money for each minute you use the phone during the month. In one month, you spent 200 minutes on the phone, and paid $22.45. In another month, you spent 350 minutes on the phone, and paid $29.65.

*asked on September 30, 2016* -
## chemistry

How many isomers are there of the complex ion [CoCl2(en)(NH3)2]+

*asked on November 20, 2009* -
## English/Literature

An example of a paradox in "Holy Sonnet 10" is: a) "Death, be not proud" b) "Death, thou shalt die" c) "thou art slave to date" d) "one short sleep past" I chose b because it seems the most contradictory?

*asked on July 15, 2008* -
## Math,set

In a group of 120 students, 72 play chess, 65 play Scrabble and 53 play dice if 35 play both chess and Scrabble, 30 play both chess and dice 21 play both Scrabble and dice and each play at least one of the game. (1) illustrate the information via ven

*asked on April 13, 2019* -
## chem

calculate volume of excess KOH(aq) and the volume of 6.00M H2SO4(aq) to neutralize it

*asked on September 5, 2016* -
## chemistry question

What mass of propane (C3H8) is needed to produce 346 g carbon dioxide in the following reaction? C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(g) A. 346 g C3H8 B. 115 g C3H8 C. 5075 g C3H8 D. 1.86 g C3H8

*asked on August 15, 2013* -
## Physics

A sled rope is held at an angle of 45 degrees with the horizontal ground. A force of 60 N acting parallel to the ground is required to keep the sled in motion. How much force must be exerted on the rope?

*asked on March 5, 2013* -
## Trig

Suppose you would like to cross a 209-foot wide river in a boat. Assume that the boat can travel 32 mph relative to the water and that the current is flowing west at the rate of 6 mph. If the bearing chosen is chosen so that the boat will land at a point

*asked on November 18, 2012* -
## Physics

A playground merry-go-round made in the shape of a solid disk, has a diameter of 2.63 m and a mass of 353.9 kg. Two children, each of mass 30.5 kg, sit on opposite sides at the edge of the platform. Approximate the children as point masses. (a) What torque

*asked on March 25, 2012* -
## Finance

A firm has forecasted sales of $3,000 in April, $4,500 in May and $6,500 in June. All sales are on credit. 30% is collected the month of sale and the remainder the following month. What will be the balance in accounts receivable at the beginning of July

*asked on March 21, 2011* -
## Calc

If a ball is thrown vertically upward from the roof of 48 foot building with a velocity of 32 ft/sec, its height after t seconds is s(t)=48+32t–16t2. What is the maximum height the ball reaches?

*asked on April 18, 2010* -
## Physics

Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0°

*asked on February 8, 2010* -
## Math

Delivery Dilemma. I have a problem where i need to figure out the order of a delivery route. The problem has eight stops in 2 rows. The top row from left to right is Green Grocer, Troys toys, tourist travel, and Myers tires. The second row is directly

*asked on April 27, 2009* -
## math

A vendor bought 10 dozen eggs at the rate of Rs 22 per dozen. Six of the eggs were rotten. He sold the remaining eggs at the rate of Rs 2.50 per egg. Find his profit or loss. Ans-65 profit Pls help me

*asked on November 19, 2015* -
## History

With which statement would BOTH FDR and Reagan agree? A. Government must protect freedom of speech. B. Government must resolve inequality of wealth. C. Government must hold businesses accountable. D. It is government’s role to resolve social problems.

*asked on September 30, 2015* -
## Physical Science

3. Radioactive decay of nuclei often involves several decays before a stable nucleus is formed. This is called a decay chain. What stable isotope is formed when radon-222 undergoes a decay chain of four alpha decays followed by four beta decays? (A)

*asked on November 20, 2013* -
## pre-calculus

tanx= -12/5 x in quadrant 2 find; sin2x= cos2x= tan2x=

*asked on April 22, 2012* -
## organic chem

(b) One of your illustrious colleagues continues his/her education and finally obtains employment with a renowned pharmaceutical company as an organic chemist. He or she is asked to synthesize pantothenic acid because the company wants to use it to prepare

*asked on April 26, 2011* -
## Physics

A barbell is mounted on a nearly frictionless axle through its center. The low-mass rod has a length d = 0.27 m, and each ball has a mass m = 0.2 kg. At this instant, there are two forces of equal magnitude F applied to the system as shown in the figure,

*asked on November 27, 2010* -
## organic chem

(b) One of your illustrious colleagues continues his/her education and finally obtains employment with a renowned pharmaceutical company as an organic chemist. He or she is asked to synthesize pantothenic acid because the company wants to use it to prepare

*asked on April 26, 2011* -
## college physics

A 55 kg engineer leaves her office on the 33rd floor of a skyscraper and takes an elevator to the 59th floor. Later she descends to street level. If the engineer takes her office as the zero for potential energy and if the distance from one floor to the

*asked on May 14, 2010* -
## math

A low land, 48m long and 31.5 m broad is raised to 6.5 dm. For this, earth is removed from a cuboidal hole, 27 m long and 18.2 m broad, dug by the side of the land. The depth of the hole will be? A man rows 12 km in 5 hrs against the stream, the speed of

*asked on November 20, 2015* -
## Math (PLEASE HELP!)

1. The UV index on a sunny day can be modelled by the function y= -0.15(x-13)^2+7.6 , where x represents the time of day on a 24-h clock and f(x) represents the UV index. At what time(s) was the UV index 7? 2. Determine if each system has one, two, or no

*asked on June 18, 2015* -
## Algebra 2

Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a standard deviation of 1.5. What is the z-score of a size of 7.5?

*asked on June 7, 2011* -
## Chemistry- HELP

Can someone please help me? Are these questions correct...if not any suggestions would be greatly appreciated! 1. What salt forms as the result of a mixture of calcium hydroxide and hydrochloric acid? a. CaCl b. CaHCl c. CaCl2 d. CaOH e. Cl(OH)2 I believe

*asked on October 7, 2009* -
## Algebra 2

Damon thank you for the previous help. A geyser sends a blast of boiling water high into the air. During the eruption, the height (h) (in feet) of the water (t)seconds after being forced out from the ground could be modeled by h = -16t*t + 70t. The last

*asked on March 12, 2008* -
## mood! + check!

Identify the mood indicative, imperative, and subjunctive : 1. Karl suggested that we consider his new proposal carefully. 1a) Subjunctive 2. Don’t watch that movie. 2a) Indicative mood 3. Sasha didn’t like that book. 3a) Indicative mood 4. I wish that

*asked on October 12, 2006* -
## chemistry

Use Ksp for PbCl2 and Kf for [PbCl3]− to determine the molar solubility of PbCl2 in 0.10 M HCl(aq). [Hint: What is the total concentration of lead species in solution?]

*asked on April 2, 2018* -
## Math

The table below represents the velocity of a car as a function of time: Time (hour) x Velocity (miles/hours) y 0 50 1 52 2 54 3 56 Part A: What is the y-intercept of the function, and what does this tell you about the car? Part B: Calculate the average

*asked on November 27, 2015* -
## trig

a ship starts from port at a bearing of South 32 degrees East. It travels 8 miles in this direction before turning to a bearing of North 14 degrees East. It travels 15 miles in this direction, before finally turning to a bearing of South 72 degrees East

*asked on December 2, 2014*