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Questions Asked on November 22, 2014

A 4.0-kg cylinder of solid iron is supported by a string while submerged in water. What is the tension in the string? The
1. 2 answers
2. asked by Anonymous
3. 6,021 views
You deposit $3000 in an account earning 7% interest compounded continuously. The amount of money in the account after years is
1. 3 answers
2. asked by christina
3. 4,716 views
In the past, the mean running time for a certain type of flashlight battery has been 9.8 hours. The manufacturer has introduced
1. 4 answers
2. asked by Amy
3. 3,795 views
A certain reaction is spontaneous at 72˚C. if the enthalpy change for the reaction is 19Kj/mol, what is the minimum value of
1. 2 answers
2. asked by fatima
3. 3,700 views
In a certain experiment a student finds that the PHs of 0.10 M solutions of three potassium salts KX, KY, and KZ are 7.0, 9.0,
1. 1 answer
2. asked by fatima
3. 3,650 views
Which of the following is not a goal of the clean water act?A. Controlling water pollution from point sources B. Encouraging
1. 3 answers
2. asked by callie
3. 3,637 views
The police can determine the speed a car was traveling from the length of the skid marks it leaves. The function they use is S =
1. 2 answers
2. asked by Dawn
3. 3,506 views
an object's resistance to change in motion is called isA. Density B. Inertia C. Mass D. Degrees
1. 5 answers
2. asked by edu
3. 3,462 views
Define isoelectronic series. Put the K+, Ca2+, Cl-, and Ar ions and atoms in order of increasing size and explain the trends.Cou
1. 1 answer
2. asked by Feather
3. 3,354 views
which of the following shows the path followed by nerve impulses in a reflex motor neurons,interneurons in brain,sensory neurons
1. 20 answers
2. asked by Anonymous
3. 3,336 views
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.1 kg · m2 and an angular velocity of +8.0
1. 4 answers
2. asked by Morgan
3. 3,088 views
Two wave pulses on a string approach one another at the time t = 0, as shown in the figure below, except that pulse 2 is
1. 1 answer
2. asked by Anonymous
3. 2,761 views
A tightrope walker attaches a cable to the roofs of two adjacent buildings. The cable is 23.5 m long. The angle of inclination
1. 1 answer
2. asked by Anonymous
3. 2,464 views
The position versus time for a certain objectmoving along the x-axis is shown. The object’s initial position is −2 m. Find
1. 1 answer
2. asked by Henry
3. 2,179 views
Balance the following equation in basic conditionsCoCl2 (s) +Na2O2 (ag) ----> Co(OH)3 (ag)+Cl- (ag) + Na+ (ag)
1. 1 answer
2. asked by lori
3. 2,091 views
Two objects A and B have the same mass and the same specific heat. Object A is heated from 30°C to 70°C and object B is cooled
1. 2 answers
2. asked by Morgan
3. 2,090 views
In the reaction AgNO3(aq) + HCl(aq) AgCl(s) + HNO3(aq) + heat, when 0.70 mole of AgNO3 and 0.70 mole of HCl react, the
1. 1 answer
2. asked by Morgan
3. 1,894 views
Find all values of c such that3^(2c+1)=28*(3^c)-9. If you find more than one value of c, then list your values in increaing
1. 1 answer
2. asked by Lilly
3. 1,861 views
Suppose c is inversely proportional to the square of d.If c = 4 when d equals 3.find the constant of proportionality and write
1. 1 answer
2. asked by Taylor
3. 1,851 views
Which of the following phrases can describe an endothermic process?A. A system gives off energy as it cools down. B. Energy is
1. 2 answers
2. asked by Morgan
3. 1,778 views
In linear perspective, all parallel lines converge at a(n):A. orthogonal. B. vanishing point. C. horizon line. D. picture plane.
1. 1 answer
2. asked by Pat
3. 1,757 views
on what day will 8,000 earn 180 interest when invested on April 25, 2002 at 9% simple interest? use ordinary interest and actual
1. 2 answers
2. asked by joan
3. 1,724 views
an ice skater applies a horizontal force to a 20 kg block on frictionless, level ice causing the block to accelerate uniformly
1. 1 answer
2. asked by Maria
3. 1,698 views
In a group 1 analysis, a student adds hydrochloric acid to the unknown solution to make [Cl-] = 0.15 M. Some PbCl2 precipitates.
1. 1 answer
2. asked by fatima
3. 1,678 views
Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 3.83 m/s. Ignore
1. 1 answer
2. asked by Stacie
3. 1,395 views
A stone is thrown vertically up from the top of the tower 40m high with the velocity of 20m/s. 3 seconds later another stone is
1. 1 answer
2. asked by sneha
3. 1,323 views
A 4 kg bundle starts up a 30o incline with 128 J of kinetic energy. How far will it slide up the incline if the coefficient of
1. 1 answer
2. asked by Jeiffer
3. 1,304 views
The fourth term of A P is 37 and the 6th term is 12 more than the fourth term.find the first and the seven terms
1. 3 answers
2. asked by Anonymous
3. 1,257 views
A rectangle is inscribed into the region bounded by the graph of f(x)=(x^2-1)^2 and the x-axis, in such a way that one side of
1. 3 answers
2. asked by Luke
3. 1,221 views
Hf < 0 implies which of the following?A. The temperature decreases B. The temperature remains the same C. A bond-forming process
1. 2 answers
2. asked by Morgan
3. 1,195 views
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores
1. 1 answer
2. asked by Kendra
3. 1,111 views
A water tank is filled to a depth of 10 m, and the bottom of the tank is 20 m above ground. A water-filled hose that is 2.0 cm
1. 2 answers
2. asked by Anonymous
3. 1,090 views
Which of the following contains more thermal energy?A. Water at 100°C B. Ice at 0°C C. Water at 0°C D. Steam at 100°C I
1. 3 answers
2. asked by Morgan
3. 1,075 views
How and why is feeling of tiredness and lethargy connected to depression?
1. 1 answer
2. asked by jilia
3. 1,046 views
A 3.78 g sample of ethanol (C2H5OH) was burned completely in a bomb calorimeter. The temperature of the calorimeter plus the
1. 1 answer
2. asked by Amanda
3. 1,025 views
The lifetimes of batteries are independent exponential random variables, each having parameter λ. A flashlight needs 4
1. 0 answers
2. asked by al
3. 1,020 views
Factor f(x) into linear factors given that k is a zero of f(x).f(x)=x^3+(12-4i)x^2+(32-48i)x-128i, k=4i In completely factored
1. 1 answer
2. asked by Ernie
3. 1,010 views
At the beginning of each year, Joe invests $10,000 in his retirement fund. The fund gives 10% interestm compouned annually. At
1. 2 answers
2. asked by Lilly
3. 994 views
Beginning January 1, Community Hospital had 175 inpatient beds. On June 15, the bed count was increased to 200. The hospital
1. 2 answers
2. asked by Beth
3. 966 views
In a bag there are a number of red and blue balls. The ratio of red to blue balls is 3:7.I add 10 balls and the ratio goes to
1. 3 answers
2. asked by Emma
3. 945 views
What is the relationship between Sample Size and the width of the Confidence Interval? Please explain further as to why.I
1. 1 answer
2. asked by MissPatte
3. 838 views
An airline company is considering a new policy of booking as many as 182 persons on an airplane that can seat only 160 (Past
1. 0 answers
2. asked by fay
3. 836 views
16. Solve y = log3243.A. y = 0 C. y = 5 B. y = 3 D. y = 243 3. Which of the equations below describes the graph shown here? A. y
1. 2 answers
2. asked by jessica
3. 824 views
A city must decide whether to build a downtown parking garage and what rate to charge. It isconsidering two rates: a flat
1. 1 answer
2. asked by EJ
3. 815 views
It takes 37.16 mL of 0.510 M HCL to neutralize 25.00 mL of NaOh. What is the concentration of the NaOH?
1. 1 answer
2. asked by Teresa
3. 807 views
A savings account at Xyz bank offers 4% interest, compounded annually. How much money must I invest today in order for the
1. 1 answer
2. asked by Brittany
3. 797 views
"Is Facebook making us lonely"Just to check my understanding on this article,I decided to write a summary.. Please check by
1. 2 answers
2. asked by Anonymous
3. 796 views
1. Determine the specific heat of a certain metal if a 450-g sample of it loses 34,500 joules of heat as its temperature drops
1. 0 answers
2. asked by Hershey
3. 796 views
h(x) = log (6x+5/7x-4)Find a formula for the inverse function h^-1(x) h^-1(x) = My work so far h(x) = log(6x+5/7x-4)
1. 1 answer
2. asked by Sarah
3. 790 views
i have to write a literary analysis on Romeo and Juliet. This what i did so far, In the story ‘Romeo and Juliet’, Romeo
1. 3 answers
2. asked by Epic
3. 788 views
1. A student lifts his 2.0-kg pet rock 2.8m straight up. He then lets it drop to the ground. Use the Law of Conservation of
1. 0 answers
2. asked by Hershey
3. 778 views
Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a
1. 1 answer
2. asked by Lily
3. 772 views
A multiple-choice test consists of 29 questions with possible answers of a, b, c, d. Estimate the probability that with random
1. 0 answers
2. asked by fay
3. 761 views
A piece of glass has a temperature of 87.0 °C. Liquid that has a temperature of 32.0 °C is poured over the glass, completely
1. 0 answers
2. asked by S
3. 761 views
a vertical flagpole casts a shadow of 12ft long at the same time that a nearby vertical past 8ft casts a shadow 3ft long. Find
1. 37 answers
2. asked by ann
3. 749 views
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04
1. 1 answer
2. asked by Ken
3. 749 views
product of 6th and13th term
1. 1 answer
2. asked by mumillat
3. 731 views
Hello. I am in need of some help with these following questions about The Odyssey:1. When Odysseus finally lands upon the island
1. 0 answers
2. asked by Dennis
3. 727 views
what is the sum of 13th and 56th term
1. 3 answers
2. asked by mumillat
3. 726 views
As an object get farther from earth is A. its weight increaseB.it weight decrease C. it mass decrease D. it weight remains the
1. 1 answer
2. asked by edu
3. 714 views
A sample of sodium sulfate, Li2SO4, contains 6.78 x 10^23 formula units.How many moles of Li2SO4 are there in the sample? How
1. 3 answers
2. asked by Sam
3. 703 views
If 35.0 mL of 0.210 M HCl reacts with excess Mg, how many mL of hydrogen gas are produced at STP?Mg(s) + 2HCl(aq) → MgCl2(aq)
1. 1 answer
2. asked by Mike
3. 686 views
Where did Gothic Architecture begin?A. Île-de-France B. Burgundy C. Tuscany D. Southern England I am torn between A & B
1. 4 answers
2. asked by Pat
3. 683 views
If the angle -1500o is in standard position, state the quadrant in which it's terminal side lies.
1. 3 answers
2. asked by Tamia
3. 681 views
Hi. I need some help with a few questions regarding The Odyssey and Orestia. (I have eliminated some of the possible choices
1. 3 answers
2. asked by Dennis
3. 680 views
Find all real solutions x to(4^x)-(2^x)=56. Please explain in steps! Thank you.
1. 1 answer
2. asked by Carla
3. 667 views
An industry has only two firms producing outputs y1 and y2, respectively. The first firm has acost function of TC(y1) = 20 +
1. 1 answer
2. asked by EJ
3. 667 views
Suppose that we want to estimate the area under the graph of f(x)=X^2+x for x=1 and 3. What is the value of the estimate using
1. 1 answer
2. asked by Beth
3. 663 views
I have to calculate the ΔV= final volume-initial volumeFor the first trial the final volume was .005mL the initial volume was
1. 0 answers
2. asked by xx
3. 661 views
A ball rebounds the ground to a height of 72 cm, and each time it rebounds to two thirds of the height. Estimate the total
1. 1 answer
2. asked by Brian
3. 657 views
Calculate the S(univ) for the following phase change at 25 deg celcius. The boiling point of heptane is 98.0 Celcius and has a
1. 8 answers
2. asked by Hank
3. 654 views
A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2
1. 0 answers
2. asked by Archy
3. 650 views
A sample of toluene, C7H8 has a mass of 74.5 g. How many moles of benzene does it contain? How many molecules does the sample
1. 3 answers
2. asked by Danny
3. 646 views
Suppose 81^x=64. What is 27^(x+1)?
1. 4 answers
2. asked by Jake
3. 641 views
What is Larmer’s criticism of Duska’s argument?Loyalty is relative. Loyalty does not need to be reciprocal, it can still be
1. 1 answer
2. asked by Randy
3. 639 views
What are the benefits of having a first person narrator in The Fall of The House of Usher by Edgar Allan PoeWhat is the
1. 2 answers
2. asked by Amy
3. 618 views
Hello i am doing assignment in my math 20-2 class. The question is: data collected of cars passing on the road revealed that the
1. 3 answers
2. asked by Steve
3. 610 views
"Is Facebook making us lonely"Just to check my understanding on this article,I decided to write a summary.. Please check by
1. 1 answer
2. asked by Anonymous
3. 603 views
An industry has only two firms producing outputs y1 and y2, respectively. The first firm has acost function of TC(y1) = 20 +
1. 0 answers
2. asked by EJ
3. 598 views
4 answers energy flow in ecosystem?
1. 1 answer
2. asked by sadie
3. 590 views
What is the range of the functionf(x)=3-2*51^x? Give your answer as an interval.
1. 2 answers
2. asked by Rachel
3. 590 views
2. Your state has a retail sales tax of 10 percent but it exempts food, prescription drugs, and all services including housing
1. 0 answers
2. asked by joom
3. 583 views
When researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from
1. 2 answers
2. asked by Karen
3. 571 views
I already posted this question,and Henrey answered it. I just wanted to clarify a few things to make sure I am on the right
1. 2 answers
2. asked by Trish Goal
3. 569 views
An unknown metal with a mass of 260 g has a heat capacity of 100 J/oC. What is the specific heat of the metal?I am stuck finding
1. 2 answers
2. asked by Jeremy
3. 569 views
The function f(x)=ax^2 satisfies f(2)=1 and f(32)=4. Find r.
1. 7 answers
2. asked by Jennifer Choi
3. 561 views
Are Lilac flowers vascular or non vascular
1. 0 answers
2. asked by Rose
3. 550 views
Suppose you want to install a new fence.Frank's Company quotes you a price to install a new fence given by a formula where P(f)
1. 1 answer
2. asked by Tasiana
3. 540 views
Find the point on the curve y^2=4x closest to the point (8,0).My Work: Using the Distance formula- my answer i got was
1. 3 answers
2. asked by Luke
3. 535 views
If 35.0 mL of 0.210 M HCl reacts with excess Mg, how many mL of hydrogen gas are produced at STP?Mg(s) + 2HCl(aq) → MgCl2(aq)
1. 1 answer
2. asked by Mike
3. 533 views
A volume of 725 mL of a gas is collected at 105 degrees celcius and 746 torr. The gas sample wights 1.92 grams. What is this
1. 1 answer
2. asked by Teresa
3. 522 views
At what age does exercise begin to result in strength in boys and girls?A. Between ages five and six B. Between ages six and
1. 1 answer
2. asked by Amanda
3. 517 views
The most effective way to prevent carbon monoxide poisoning is byA. heating buildings with oil or electricity. B. installing and
1. 3 answers
2. asked by Amanda
3. 511 views
A square with side lengths of 1.05 m has a charge of 8.00 mC at each corner. Calculate the magnitude and direction of the force
1. 0 answers
2. asked by Corinne
3. 511 views
7) President’s job approval rating is frequently reported in news programs. You will hear statements such as: “Among likely
1. 0 answers
2. asked by EJ
3. 507 views
When playing outside, children should wear protective clothing and play in shaded areas toA. stay cool and maintain
1. 1 answer
2. asked by Amanda
3. 506 views
simplify the expression show your work 3x(4x^4-5x)
1. 1 answer
2. asked by andy
3. 505 views
Find the point on the curve y^2=4x closest to the point (8,0).My Work: Using the Distance formula- my answer i got was
1. 3 answers
2. asked by Luke
3. 503 views
A midpoint of sequence of numbers.A. Mean B. Median C. Mode D. Zero
1. 1 answer
2. asked by Kassie
3. 501 views
How do the two ATP molecules charge the glucose molecule in glycolysis?
1. 0 answers
2. asked by Anonymous
3. 491 views

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