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2011
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Questions Asked on March 6, 2011

Element X has two natural isotopes:X-6 (6.015amu) and X-7 (7.016amu). calculate the atomic mass of element X given the abundance
1. 6 answers
2. asked by trisha
3. 7,202 views
To stretch a certain spring by 2.00 cm from its equilibrium position requires 9.50 J of work.a. What is the force constant of
1. 1 answer
2. asked by Ana
3. 5,849 views
A 35.0-g bullet moving at 475 m/s strikes a 2.5-kg wooden block. The bullet passes through the block, leaving at 275 m/s. The
1. 1 answer
2. asked by Anonymous
3. 5,436 views
A child sits on a rotating merry-go-round, 2.19 m from its center. If the speed of the child is 2.32 m/s, what is the minimum
1. 2 answers
2. asked by Christian
3. 5,313 views
a regular triangular pyramid with a slant height of 9 m has a volume equal to 50 m³. Find the lateral areas of the pyramid.
1. 4 answers
2. asked by mhy
3. 4,159 views
As the aggregate price level falls, the number of domestic products purchased by foreigners will [rise], causing the quantity of
1. 2 answers
2. asked by Jake
3. 3,888 views
Which of the following is an announcement rather than a topic sentence?A) I want to talk about the increase in the divorce rate.
1. 4 answers
2. asked by Alex
3. 3,120 views
1.)Find dy/dx when y= Ln (sinh 2x)my answer >> 2coth 2x. 2.)Find dy/dx when sinh 3y=cos 2x A.-2 sin 2x B.-2 sin 2x / sinh 3y
1. 2 answers
2. asked by anon
3. 3,024 views
Quadrilateral QRST has two pairs of congruent sides, but it is not a parallelogram. What figure is it? What further condition
1. 3 answers
2. asked by Kate
3. 2,877 views
find the values of a and b if the function y=2x^3+ax^2+bx+36 has a local maximum when x=-4 and a local minimum when x=5
1. 1 answer
2. asked by badial
3. 2,728 views
If the fish population, p, in a lake can be modelled by the function p(t)=15(t^2+30)(t+8), where t is the time, in years , from
1. 2 answers
2. asked by Nick
3. 2,185 views
Given a scale of 1:24,000:A. What is the ground distance in feet represented by three inches on the map? 72000in 6000ft B. What
1. 1 answer
2. asked by karen
3. 2,147 views
Bracelets You are making beaded bracelets for your friends. You want to use30 beads for each bracelet and want to use no more
1. 2 answers
2. asked by Vanessa
3. 2,104 views
A hollow cone has height 5 feet and base diameter 4 feet. The vertex of the cone is pointed down so that it can serve as a
1. 3 answers
2. asked by Tori
3. 1,960 views
A battery of e.m.f 24v and internal resistance of 4ohms is connected to a resistor of 3ohms.what is the terminal potential
1. 1 answer
2. asked by vincent
3. 1,863 views
What is the difference between a heat calorie and a food calorie?
1. 3 answers
2. asked by Nestle
3. 1,859 views
what impulse occurs when an average force of 10n is exerted on a cart of 2.5 s? What change in momentumdoes the cart undergo/ If
1. 1 answer
2. asked by stan
3. 1,823 views
Transitions function much like road signals.A) True B) False this question does not make sense. when i look in my book ans
1. 5 answers
2. asked by Alex
3. 1,779 views
2. In at least three sentences, explain if ethos, pathos and logos have each been effectively established in this speech.Pearson
1. 3 answers
2. asked by Jessica A
3. 1,757 views
Draw major product of substitution reaction of (2R,3S)2-bromo-3-methylpentane with CH3CH2O- nucleophile?
1. 1 answer
2. asked by Zoe
3. 1,625 views
a worker pushes a box with a horizontal force of 50 N over a level distance of 5m. If a frictional force of 43 N acts on the box
1. 2 answers
2. asked by KayKay
3. 1,616 views
if theta is an angle in standard position and B(-3,4) is a point on the terminal side of the angle, what is the value of sin
1. 1 answer
2. asked by Victoria
3. 1,590 views
6. According to Kohlberg, a person's stage of moral development is determined by the:a. Type of moral reasoning the person
1. 2 answers
2. asked by MEGHAT
3. 1,554 views
1. A body is moving along a straight line with a velocity which varies according to the equation v=9t^2+2t, where v is in feet
1. 2 answers
2. asked by anon
3. 1,530 views
The pressure exerted on a 240.0 mL sample of hydrogen gas at constant temperature is increased from 0.428 atm to 0.724 atm. What
1. 2 answers
2. asked by NDC
3. 1,476 views
A picture measures 20 cm x 25 cm. The width of the matting and frame at the top and bottom is 5cm. What should be the dimensions
1. 1 answer
2. asked by Jeremy
3. 1,442 views
There are 7 notes of "A" on a standard piano. When the first A is struck, the string associated with the key vibrates 55 times
1. 1 answer
2. asked by Anonymous
3. 1,379 views
Major outcomes of the Spanish-American War included all of the following EXCEPT:A. the establishment of an extensive American
1. 6 answers
2. asked by sharice
3. 1,341 views
Why is the total distance traveled by a mass traveling in a circle of radius R during n revolutions, 2piRn?
1. 1 answer
2. asked by Mandy
3. 1,335 views
A heavy rifle initially at rest fires a light bullet.Which of the following statements about these objects is true? A. The
1. 1 answer
2. asked by Ana
3. 1,323 views
A topic statement is made up of a limited topic and a writer's point about the limited topic?True Or False.
1. 3 answers
2. asked by Alex
3. 1,298 views
A father racing his son has one-third the kinetic energy of the son, who has two-fifths the mass of the father. The father
1. 2 answers
2. asked by Bill
3. 1,276 views
Find the perimeter of a square to the nearest tenth if the length of its diagonal is 16 millimeters
1. 1 answer
2. asked by Amber
3. 1,269 views
I have been asked to solve this two different ways. The first way is to use the chain rule and then simplify (which I have
1. 2 answers
2. asked by Nicole
3. 1,207 views
The third step in effective writing is toA) organize and connect the specific evidence in a paper B) write clear, error-free
1. 2 answers
2. asked by Alex
3. 1,176 views
Factor 2x squared minus 5x minus 3.
1. 1 answer
2. asked by sam
3. 1,169 views
does anyone know the question to exam 007681 & 007682
1. 6 answers
2. asked by Peggy
3. 1,136 views
a uniform electric field of magnitude 2.5*10^4, makes an angle of 27 with a plane surface area of 0.0133m^2.what is the electric
1. 1 answer
2. asked by ike
3. 1,126 views
Before the Spanish-American War, yellow journalism:A. endorsed a policy of isolationism. B. wrote editorials that criticized
1. 1 answer
2. asked by sharice
3. 1,124 views
Magnesium burns in air to produce magnesium oxide, MgO, and magnesium nitride, Mg3N2. Magnesium nitride reacts with water to
1. 3 answers
2. asked by D
3. 1,092 views
with its arm fully extended to a length of 16ft, the maximum height that a man lift can reach is 18ft. The lowest height is 4ft,
1. 0 answers
2. asked by christianah
3. 1,084 views
The group product manager for ointments at American Therapeutic Corporation was reviewing price and promotion alternatives for
1. 2 answers
2. asked by Anonymous
3. 1,083 views
Find the probability of:a) Rolling a three OR a six with a single die Answer: P(3 U 6)= n(3U6)/n(S) = 3+6/6 = 9/6 reduced: 3/ b)
1. 13 answers
2. asked by Jacob
3. 1,078 views
if the region enclosed by the y-axis, the line y=2 and the curve y=the square root of x is revolved about the y-axis, the volume
1. 0 answers
2. asked by bob
3. 1,074 views
how can the concept of structuration help us to understand better the challenges faced by MaMarrandi?
1. 1 answer
2. asked by nobubelo
3. 1,049 views
please help me to get the answers choices below just choice the letter provied. thanks a lot1.Asset would be increased by :
1. 0 answers
2. asked by jessie
3. 1,043 views
rationale for imperialism in the era 1890–1910 included all of the following ideas EXCEPT:A. American ideas and institutions
1. 4 answers
2. asked by sharice
3. 1,024 views
Two carts, one twice as heavy as the other, are at rest on a horizontal frictionless track. A person pushes each cart with the
1. 1 answer
2. asked by Ana
3. 1,009 views
At 7.65 cents per kilowatt-hour, what does it cost to operate a 10.0 hp motor for 6.00 hr?At 7.65 cents per kilowatt-hour, what
1. 1 answer
2. asked by Ana
3. 990 views
Capwell Corporation uses a periodic inventory system. The company's ending inventory on December 31, 2011, its fiscal-year end,
1. 2 answers
2. asked by kay
3. 981 views
Can you prove ABCD is a parallelogram based on the given information? Explain.Given: x = 5, y = 4 Prove: ABCD is a
1. 1 answer
2. asked by Kate
3. 976 views
A manufacturer has designed a process to produce pipes that are 10 feet long. The distribution of the pipe length, however, is
1. 1 answer
2. asked by Hannah
3. 971 views
How do I find the x values at which the tangents to the graphs f(x)=2x^2 and g(x)=x^3 have the same slope?
1. 2 answers
2. asked by Kate
3. 944 views
Go-Carts You and three of your friends are going to race go-carts. The last time youwent, you had a coupon for $3 off each
1. 2 answers
2. asked by Vanessa
3. 938 views
If you had 500.0 ml of a 0.10 M solution of HCLO, what mass of the corresponding Na+ (sodium salt) of the conjugate base would
1. 3 answers
2. asked by sam
3. 937 views
A 5-g marble, released form rest, was allowed to roll on a ramp whose lower end is 25 cm from the floor. When it left the ramp,
1. 2 answers
2. asked by kik
3. 919 views
Making responsible choice for healthy and balanced lifestle
1. 1 answer
2. asked by Brightness
3. 913 views
Find the rule?In Out 2 1/2 3 3/4 5/6 5/24 2/3 1/6
1. 2 answers
2. asked by hamza
3. 910 views
1. One undesirable change that often occurs during adolescent growth spurt is a(n)a. Dangerous enlargement in heart size b.
1. 3 answers
2. asked by MEGHAT
3. 880 views
A thin rectangular plate of uniform area density σ1 = 1.00 kg/m2 has a length a = 0.500 m and a width b = 0.210 m. The lower
1. 2 answers
2. asked by Anonymous
3. 869 views
A 13 N horizontal force pushes a block weighing 4.5 N against a vertical wall (Fig. 6-26). The coefficient of static friction
1. 0 answers
2. asked by karim
3. 830 views
2. According to Piaget, many 16 year-olds have reached the cognitive stage called:a. Preconventional thought b. B. formal
1. 1 answer
2. asked by MEGHAT
3. 822 views
A given figure shows a rectangle inscribed in an isoceles right triangle whose hypotenuse is 18 units long. Express the y
1. 0 answers
2. asked by Anonymous
3. 781 views
a100 grams bullets is fired from a 10kg gun with a speed of recoil of the gun
1. 1 answer
2. asked by ayesha khan
3. 780 views
Find the area lying above the x axis and below the parabolic curve y= 4x -x^2a.8 b. 8 1/3 c. 10 2/3 d. 16 B or C not sure??
1. 1 answer
2. asked by anon
3. 778 views
Two equally charged balls, each of mass 0.10 gm, are suspended from the same point by threads 13 cm long. The balls come to rest
1. 2 answers
2. asked by ike
3. 776 views
the sum of two polynomials is 40x^5-2x^4+x^3-7x^2-1. if the polynomial is the square of (x^2-7x+1), find the other polynomial
1. 1 answer
2. asked by Anonymous
3. 761 views
Gloria has a gallon of paint to cover 500 square feet of drywall. She pointed out that for 10,000 square feet she needs 20
1. 1 answer
2. asked by Jada
3. 759 views
A fair 20-sided die is rolled 60 times, and the value of chi-square is computed using expected counts of 3 for each face. If
1. 0 answers
2. asked by Graciela
3. 746 views
a100 grams bullets is fired from a 10kg gun with a speed of recoil of the gun
1. 2 answers
2. asked by ayesha khan
3. 743 views
A sample of air has a volume of 140.0 mL at 67 degrees Celsius. At what temperature would its volume be 50.0 mL at constant
1. 1 answer
2. asked by Nick
3. 733 views
From a window of a building A, the angle of elevation of the top of building B is 35 degrees and the angle of depression of the
1. 1 answer
2. asked by Elmo
3. 727 views
I need to find 4 rhetorical devices and I am having trouble!Pearson’s address on the inauguration of the national flag of
1. 7 answers
2. asked by Jessica A
3. 725 views
what is a type III binary compound containing 3 atoms per molecule, with a total # of protons being 32? It's not Silicon
1. 1 answer
2. asked by Maria
3. 717 views
Ethics systems table
1. 3 answers
2. asked by rob
3. 712 views
2- given the curve is described by the equation r=3cos ¥è, find the angle that the tangent line makes with the radius vector
1. 1 answer
2. asked by anon
3. 711 views
What is the purpose of addingzinc chloride in the preparation of starch iodide paste? Please refer to the procedure below: -
1. 0 answers
2. asked by Jan
3. 701 views
an object A 2.5kg is traveling at 25meters per second collides head on with a 5kg mass b calculate the velocity of the 5kg mass
1. 1 answer
2. asked by shristi
3. 690 views
The Howland Carpet Company has grown rapidly during the past 5 years. Recently, its commercial bank urged the company to
1. 0 answers
2. asked by Kim
3. 684 views
A cart running on frictionless air tracks is propelled by a stream of water expelled by a gas-powered pressure washer stationed
1. 1 answer
2. asked by HELP!!!!
3. 675 views
Michel wants to buy his mother handmade chocolates for Mothers Day. He has $15.oo to spend. The price of each chocolate is given
1. 1 answer
2. asked by Vanessa
3. 675 views
julie travels 6 times faster then mill. Traveling in opposite directions, they are 714 miles apart afte 6 hours. Find the rate
1. 1 answer
2. asked by Jamie
3. 665 views
Two carts, one twice as heavy as the other, are at rest on a horizontal frictionless track. A person pushes each cart with the
1. 1 answer
2. asked by Ana
3. 656 views
during a special promotion, each customer who makes a purchase is given a coupon for a discount of either 10,20, 30,40, or 50
1. 1 answer
2. asked by joe
3. 656 views
3. With his new ability to think hypothetically, a 13 year-old boy is most likely to:a. Think about how things should be b.
1. 4 answers
2. asked by MEGHAT
3. 653 views
Hydrocodone bitartrate is used as a cough suppressant. After the drug is fully absorbed, the quantity of drug in the body
1. 0 answers
2. asked by calculas
3. 648 views
if it takes 1 monkey to eat a banana in 1 minute how long will it take 8 monkeys to eat 8 bananas
1. 3 answers
2. asked by chloe
3. 647 views
What is the purpose of addingzinc chloride in the preparation of starch iodide paste? Please refer to the procedure below: -
1. 0 answers
2. asked by jan
3. 641 views
The second stage in the writing process is toA) accumulate raw material. B) brainstorm or freewrite or make a scratch outline C)
1. 1 answer
2. asked by Bobby
3. 641 views
a pyramid has a spuare base with side length 20.a right circular cylinder has a diameter of 10 and a length of 10.the cylinder
1. 1 answer
2. asked by jo
3. 630 views
I am going to become a tutor for kids grade K-3.I am tutoring Math, Writing, and Reading. Do you know any good websites that
1. 4 answers
2. asked by liz
3. 623 views
Cart A, of mass 3.00 kg, approaches and collides with cart B, which has a mass of 7.00 kg and is initially at rest.When the
1. 1 answer
2. asked by Ana
3. 619 views
a locomotive of mass 15000kg traveling at 2.5m/s collides and couples with a set of rail carts of mass 7000kg.calculate:1.the
1. 2 answers
2. asked by shristi
3. 618 views
Hey guys this is about my previous question:I have trouble finding two texts that DISPLAY intolerance against gender, sexual
1. 5 answers
2. asked by Shivi
3. 611 views
Obesity is defined as a body mass index of 3 kg/m2 or more. A 95% confidence interval for the percentage of U.S. adults aged 29
1. 0 answers
2. asked by katelyn
3. 610 views
your neighbors are purchasing a pool. their backyard is 20 yards wide and 30 yards deep. unfortunately the pool dealer will only
1. 5 answers
2. asked by victoria
3. 603 views
A 9-year bond has a yield of 6.0% and a duration of 7.982 years. If the market yield changes by 35 basis points, what is the
1. 0 answers
2. asked by amanda
3. 599 views
The Specific heat of a substance is the energy (joules) required to raise one gram of substance by one degree celsius (units J/g
1. 2 answers
2. asked by Oscar
3. 599 views
Circle O above has a circumference of 240 cm and arc XW has a length of 60 cm. What is the measure of the central angle
1. 1 answer
2. asked by jake
3. 591 views
In an auto accident, a car hit a pedestrian and the driver then slammed on the brakes to stop the car. During the subsequent
1. 0 answers
2. asked by mary
3. 590 views

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