Questions Asked on
June 14, 2013

Physics
An object is dropped from a platform 100 feet high. Ignoring wind resistance, what will its speed be when it reaches the ground? _____ ft/s Please help me!!!
asked by Isis 
English
Read the following selection from “Winter Mist” by Robert Palfrey Utter. Then, answer the questions that follow. I like pond skating best by moonlight. The hollow among the hills will always have a bit of mist about it, let the sky be clear as it may.
asked by Lanny 
Physics
An object is thrown directly up (positive direction) with a velocity (vo) of 20.0 m/s and do= 0. Determine how long it takes to get to the maximum height of 24.0 m.
asked by Isis 
Physics
A skydiver is jumping from an airplane traveling at 10.0 m/s. The plane is 3520 m above the earth. The sky diver pulls his cord at 1760 m above the earth. Neglecting air resistance, how far does the skydiver travel horizontally before pulling the cord?
asked by Isis 
chemistry
Suppose that 0.483 g of an unknown monoprotic weak acid, HA, is dissolved in water. Titration of the solution with 0.250 M NaOH(aq) required 42.0 mL to reach the stoichiometric point. After the addition of 21.0 mL, the pH of the solution was found to be
asked by Sara 
Math 10
cashew nuts sell for $21.00/kg. Brazil nuts sell for $15.00/k. A distributor sold a total of 120 kg of nuts and Brazil nuts for $2244. What mass of each type of nut was sold?
asked by Chanel 
Business Statistics
A random sample of six CEOs reported how many times per year they play tennis. The data follows. 3 41 96 32 52 19 Assuming the number of games played is normally distributed and the population standard deviation σ = 10, a 95% confidence interval for μ
asked by me 
Chemisty
Calculate the \rm pH of a 0.10 M solution of hydrazine, \rm N_2H_4. K_b for hydrazine is 1.3\times 10^{6}.
asked by Karlie 
physics
According to the Guinness Book of World Records, the longest home run ever measured was hit by Roy “Dizzy” Carlyle in a minor league game. The ball traveled 188 {\rm m} (618 {\rm ft}) before landing on the ground outside the ballpark part a Assuming
asked by Bob 
physics
A block of mass 0.8 kg is dragged along a level surface at constant velocity by a hanging block of mass 0.2 kg as shown in fig. 2.29. Find tension in the string and acceleration of the system, if the coefficient of friction between the block and the
asked by Ashima 
math, statistic
the average of the hemoglobin reading for a sample of 20 teachers was 16 gram per 100 milliliters, with a sample standard deviation of 2 grams. find the 99% confidence interval of the population mean.
asked by nurul 
Physics :(( help please
You and a friend are going to ride on a Ferris wheel. For a little extra fun, when your friend is at the very top of the Ferris wheel she's going to drop a tennis ball. How far around the Ferris wheel in radians from your friend should you sit so you can
asked by john 
English
Which of the following is true regarding a restrictive adjectival clause? A. It will follow a general noun and is not set off by commas. B. It will be set off by commas. C. It will typically include the relative pronoun which. D. It will follow a proper
asked by Cherokee 
Math
A brewery's filling machine is adjusted to fill bottles with a mean of 31.5 oz. of ale and a variance of 0.003. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability
asked by Tom 6 
Melting Ice Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.
asked by Josh 
English
Which sentence contains repetitious words that should be left out? A. The bright star is visible to the eye. B. The star was visible centuries ago. C. The bright star is visible. D. The star will soon disappear.
asked by Cherokee 
Statistics help
Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal curve is 0.3989. (b) Find the standard score (z) such that the area above the mean and
asked by DeeDee6 
Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 10 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J
asked by Josh 
Physics
If the airplane is traveling at a velocity of 320 km/h to the north, how long will it take to reach its destination if that destination is 2300 km to the north?
asked by Isis 
Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 20 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J
asked by Josh 
Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 20 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J
asked by Josh 
Melting Ice Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.
asked by Josh 
physics
Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. The green disk is initially at rest and is struck by the orange disk moving initially to the right at oi = 5.90 m/s as in Figure
asked by beneth 
Finance
a firm wants to create a weighted average cost of capital (WACC) of 10.4 percent. The firm's cost of equity is 14.5 percent and its pretax cost of debt is 8.5 percent. The tax rate is 34 percent. What does the debt weight need to be for the firm to
asked by Louise 
Melting Ice Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.
asked by Josh 
Melting Ice Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.
asked by Josh 
English
The infinitive is the most versatile verb form because it can be used as A. a verb, an adjective, or a preposition B. a verb, a noun, an adverb, or an interjection C. a verb, an adverb, or a conjunction D. a verb, a noun, an adjective, or an adverb
asked by Cherokee 
English
Which sentence contains italicized words that are used as an infinitive phrase? A. Jane parked her car behind a truck. B. Kelly went to the grocery store. C. Tom went there for some flour. D. Mark wanted to go, but not today.
asked by Cherokee 
Melting Ice Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.
asked by Josh 
chemistry
The combustion of 1.00 g of gasoline releases 11100 cal of heat energy. Determine the number of megajoules (MJ) released when 1.75 gallons of gasoline is burned. (Density of gasoline = 0.740 g/mL)
asked by Susie 
math
A game is played by drawing 4 card from an ordinary deck and replacing each card after it is drawn.find the probability that at least 1 king is drawn
asked by nurul 
writing
Using elipsess and brackets Add punctuation to the following excerpt. Writing under the name of Diedrich Knickerbocker Washington Irving aimed his potent satire at as diverse topics as political rivals such as Thomas Jefferson to the very ideal of looking
asked by madison 
Business Math
Determine the future value of an annuity due into which quarterly deposits of $450 are made for nine years if the annuity pays 10% compounded quarterly. a. $26,430.20 b. $29,073.31, c. $26,430.25 or d. $27,751.79
asked by LaDonna 
chem 5
Calculate the moles of {\rm Cu} in 2.5×1021 atoms of {\rm Cu}.
asked by pj 
Melting Ice Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.
asked by Josh 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by anonymous 
Business Math
The balance sheet of Karim Imports lists the following account balances: cash $6,450; supplies $1,200; accounts receivable $15,360;office equipment $8,500; merchandise inventory $28,775; current assets $65,800; accounts payable $12,650; mortgage payable
asked by LaDonna 
College Accounting
Recording federal income tax transactions and cash dividend transactions. Selected transactions of Divad Corporation during 2013 follow. Record them in the general journal. Analyze: What annual per share dividend was paid to common stockholders in 2013?
asked by Janice Edwards 
Physics
Three lead balls of mass m1 = 16kg, m2 = 26kg, and m3 = 9.3kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force. magnitude N
asked by Jody 
physics
A hotair balloon is rising upward with a constant speed of 3.93 m/s. When the balloon is 4.91 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
asked by Anonymous 
Math help
Can someone give me a heads up on how to even start this problem.. Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal curve is 0.3989.
asked by Tom 6 
math
evaluate the amortization formula m= p(r/n)/1(1+r/n)^nt for the variables p,r, and t (respectively). Assume n=12 (Round your answer to nearest cent.) $150,000;6%;15 yr
asked by christine foree 
Physics
Consider again the problem of a car traveling along a banked turn. Sometimes roads have a "reversed" banking angle. That is, the road is tilted "away" from the center of curvature of the road. If the coefficient of static friction between the tires and the
asked by Jody 
Physics
A centrifuge can be used to separate cells from a liquid. To increase the rate at which objects can be separated from solution, it is useful to make the centrifuge's speed as large as possible. If you want to design a centrifuge of diameter 1.4 m to have a
asked by Jody 
Statistics help
A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a variance of 2209. (Give your answers correct to four decimal places.) (a) If a truck can carry 3940 lb. and 25 appliances need to
asked by DeeDee7 
chemistry
200 ml of oxygen is collected over water at 18 degree Celsius and standard pressure, what will the volume of the dry oxygen be at STP?
asked by jessica 
physics
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider
asked by anonymous 
math
A.) graph the quadrilateral with the end points A(6,5), B(3,1), C(1,4) and D(8,2) B.) what type of quadrilateral is ABCD? use slope to justofy your answer Can someone please help me with ASAP thank you so much
asked by mikayla 
algebra!!!! please help me!!!!
The smallest possible positive value of 1−[(1/w)+(1/x)+(1/y)+(1/z)] where w, x, y, z are odd positive integers, has the form a/b, where a,b are coprime positive integers. Find a+b.
asked by robert 
physics
An airplane is moving through the air at a velocity v=200m/s. Streamlines just over the top of the wing are compressed to 80% of their original area, and those under the wing are not compressed at all. a) Determine the velocity of the air just over the
asked by lim 
Physics
An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width w=11 cm and length L=27 cm, as shown in the figure below. The distance from the infinite wire to the closest side of the rectangle
asked by Annoyingmous 
Physics
Two charged particles initially are traveling in the positive x direction, each with the same speed v, and enter a nonzero magnetic field at the origin O. The magnetic field for x>0 is constant, uniform and points out of the page. In the magnetic field,
asked by Annoyingmous 
physics
a flask contains helium gas at 11k. the flask is thermally isolated and the gas is allowed to escape slowly through a narrow tube until the pressure within the flask is 0.98 atm and the temperature is 4.2K. if the gas is ideal, find the initial pressure
asked by annie 
Chemistry
What volume of 0.123 M NaOH(aq) must be added to 125 mL of 0.197 M H2SO3(aq) to reach the following points? (a) the first stoichiometric point (b) the second stoichiometric point
asked by Sara 
Chemistry
What volume of 0.123 M NaOH(aq) must be added to 125 mL of 0.197 M H2SO3(aq) to reach the following points? (a) the first stoichiometric point (b) the second stoichiometric point
asked by Sara 
sharma
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider
asked by shyam 
Maths
true/false 1. a cubic polynomial has at least one zero.............. 2. a quadratic polynomial an have at most two zeroes.......... 3. if r(x)is the remainder and p(x) is the divisor, then degree r(x) < degree p(x)............ 4. if zeroes of a quadratic
asked by Shiana 
Business Math
Professional Security Systems purchased 5 dozen deadbolt lock sets from a manufacturer for $255. If the company's markup rate is 28% of the selling price, what is the selling price of each lock set?
asked by LaDonna 
Business Math
The Tao Inc. purchased an asset for $170,000 with a salvage value of $8,500 have a useful life of four years. Find the depreciation expense for the first year using the 150% declining blance method. a. $63,750 b. $63,500 c. $63,250 or d. $63,000
asked by LaDonna 
Intermediate algebra, concepts and graphs
How do I solve the absolute value of: (x2)>1? I am completely lost and my homework online is saying I did it wrong. I came up with 3
asked by Lisa 
Stats
I have done parts of this question (they are capitalized)which I was hoping someone could double check, and there are other parts that I need help on. 1. The manager of a fitness center is interested in the average weighttoheight ratio of the center's
asked by mysterychicken 
physics
A car is hauling a 89 kg trailer, to which it is connected by a spring. The spring constant is 2100 N/m. The car accelerates with an acceleration of 0.29 m/s2. By how much does the spring stretch?
asked by Andrew 
simple question
If an answer is to be 2 decimal places and the answer is 244.0983 would that make it 244.00 or 244.10 not sure???
asked by DeeDee7 
science
whether or not we as humans should be concerned with the extinction rate. Additionally, discuss whether or not humans strive to preserve representative samples of all biomes on the planet.
asked by Anonymous 
Chemistry
The pH of 0.40 M HF(aq) is 1.93. Calculate the change in pH when 0.301 g of sodium fluoride is added to 53.7 mL of the solution. Ignore any change in volume.
asked by Sara 
Math 10
solve this linear system 2/3m + 3/4n = 16 1/2m + 3/8n = 18
asked by Chanel 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by Anonymous 
science
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by raja harishchandra 
science
If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider
asked by raja harishchandra 
Diversity
Children with special needs may have delays or be slow to progress in one or more areas.
asked by DEEDEE 
Finance
You are considering buying 100 shares of TEXAS INC common stock. The common stock is expected to pay a dividend of $2.50 a year from today; the growth rate of the dividends is 8% for two years, then level off to a constant rate of 5% per year. The
asked by Sally 
Boolean Algebra
In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee
asked by Hy'Lee 
English
Is rocket the simple subject for the following sentence. The Saturn rocket made travel to the moon possible.
asked by Cherokee 
Math
(y+5)/(y^(2)+432) Find the excluded values for the following fraction.
asked by Jada 
Math
Triangle ABC has ∠A=40∘, ∠B=60∘, ∠C=80∘. Points M,N trisect the side BC and points P,Q trisect the side AC. The lines AM,AN,BP,BQ intersect at the points S,T,U,V as shown in the figure below, dividing the triangle into 9 regions. Determine the
asked by Bob 
Chemistry
636 grams of Na2CO3(s) are disolved in 3.0 liters of aqueous solution
asked by Jane 
English
One of the following sentences contains an independent clause and a dependent clause, which makes it a complex sentence. Which is the complex sentence? A. I came home; I saw an envelope in the mailbox. B. After the rain ended, the sky became blue. C. I
asked by Cherokee 
Diversity
Julie has a speech delay and is often shy with other children. The best way to include her in your daily group activities is to A) Ask a volunteer to provide her with individual attention.B) provide her with some books to read while you work with the other
asked by DEEDEE 
Diversity
One of your friends was a victim of a crime committed by a new immigrant to the country. Now she is intolerant of any children who don't speak english as their first language. This is an example of A. stereotyping B. discrimination C. racism D. inclusion
asked by Annoymous 
Boolean Algebra
In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee
asked by Hy'Lee 
Calculus
Find the values of a , b , and c in the quadratic function p(x)=ax2+bx+c such that p(2)=6, p'(2)=2, p"(2)=3
asked by Robin 
math
calculate,in terms of weight of 1kg, the force necessary to maintain a body of mass 147kg in uniform speed of 10m/s in a circle of radius 5m
asked by vicky 
math
calculate , in newtons correct to the nearest unit, the force necessary to maintain a body of mass 2kg in uniform angular speed of 2rev/s in a circle of radius 0.2m
asked by vicky 
Quantative Method
Generate your Unit transportation costs (in excel) 1. Ship construction logs from 8 provinces in Canada to 50 states in the U.S. Minimize total shipping cost. 2. Set up the demand in each state of the U.S. 3. Set up availability of logs in the 8 provinces
asked by Anita 
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen
asked by anonymous 
chemistry
If 36 grams of water yield 4.0 grams of hydrogen gas after a chemical reaction, how many kilograms of hydrogen gas will you obtain from 4.35 x 10^4 milligrams of water?
asked by Anonymous 
Math
Please please help!!!!! Solve the inequality and write the solution set in interval notation 4x^3 6x^2
asked by Ashley 
Math
The amount to be financed on a new car is $9,500. The terms are 11% for 4 years. What is the monthly payment? (a) State the type. future value ordinary annuity present value amortization sinking fund (b) Answer the question. (Round your answer to the
asked by Ronald 
maths
if alpha and beta are zeros of the polynomial f(x)=xx+px+q then polynomial having 1/alpha and 1/beta as its zeros is:
asked by Anonymous 
maths
how will I know that a group is a function
asked by cedric 
maths
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen
asked by raja harishchandra 
statistics
How do you calculate the zscore for a package weighing 29.6 pounds ( round to 2 decimals)?
asked by lina 
Health
What type of questions should a patient ask a doctor before getting cosmetic surgery?
asked by Chelsea 
Quantitative Methods
What will be the 12th and 77th terms in the series 10, 12, 14, 16, ?
asked by ram 
physics
can all of the forces be in two adjacent quadrants
asked by Anonymous 
determination of dividends
determine dividend for 14,000 shares of $2.25 preferred stock.
asked by Anonymous 
English
Is The dog followed the rabbit when it jumped into the bushes. a compound sentence?
asked by Cherokee 
Diversity
Children with special needs may have delays or be slow to progress in one or more areas. They A. usually require special equipment to help them move around. B. need oportunities to interact with nondisabled children. C. have difficulty fitting in with
asked by DEEDEE 
Diversity
Julie has a speech delay and is often shy with other children. The best way to include her in your daily group activities is to
asked by DEEDEE 
Conceptual Physics
How do you calculate the time traveled while traveling 25 knots? It needs to be converted into km/hr.
asked by christina 
conceptual physics
How do you calculate the time a boat has traveled at 25 knots
asked by christina 
Diversity
One of your friends was a victim of a crime committed by a new immigrant to the country. Now she is intolerant of any children who don't speak english as their first language. This is an example of A. stereotyping B. discrimination C. racism D. inclusion
asked by Annoymous 
Calculus
Find the values of a , b , and c in the quadratic function p(x)=ax^2+bx+c such that p(2)=6, pŒ(2)=2, and pŒŒ(2)=3.
asked by Robin