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2011
March
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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
6 answers
asked by
trisha
7,242 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 answer
asked by
Ana
5,885 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 answer
asked by
Anonymous
5,485 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
2 answers
asked by
Christian
5,345 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.
4 answers
asked by
mhy
4,191 views
As the aggregate price level falls, the number of domestic products purchased by foreigners will [rise], causing the quantity of
2 answers
asked by
Jake
3,930 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.
4 answers
asked by
Alex
3,147 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
2 answers
asked by
anon
3,074 views
Quadrilateral QRST has two pairs of congruent sides, but it is not a parallelogram. What figure is it? What further condition
3 answers
asked by
Kate
2,925 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 answer
asked by
badial
2,764 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
2 answers
asked by
Nick
2,230 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 answer
asked by
karen
2,196 views
Bracelets You are making beaded bracelets for your friends. You want to use
30 beads for each bracelet and want to use no more
2 answers
asked by
Vanessa
2,136 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
3 answers
asked by
Tori
1,998 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 answer
asked by
vincent
1,912 views
What is the difference between a heat calorie and a food calorie?
3 answers
asked by
Nestle
1,894 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 answer
asked by
stan
1,859 views
Transitions function much like road signals.
A) True B) False this question does not make sense. when i look in my book ans
5 answers
asked by
Alex
1,795 views
2. In at least three sentences, explain if ethos, pathos and logos have each been effectively established in this speech.
Pearson
3 answers
asked by
Jessica A
1,787 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
2 answers
asked by
KayKay
1,653 views
Draw major product of substitution reaction of (2R,3S)2-bromo-3-methylpentane with CH3CH2O- nucleophile?
1 answer
asked by
Zoe
1,646 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 answer
asked by
Victoria
1,621 views
6. According to Kohlberg, a person's stage of moral development is determined by the:
a. Type of moral reasoning the person
2 answers
asked by
MEGHAT
1,594 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
2 answers
asked by
anon
1,551 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
2 answers
asked by
NDC
1,512 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 answer
asked by
Jeremy
1,492 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 answer
asked by
Anonymous
1,406 views
A heavy rifle initially at rest fires a light bullet.
Which of the following statements about these objects is true? A. The
1 answer
asked by
Ana
1,371 views
Why is the total distance traveled by a mass traveling in a circle of radius R during n revolutions, 2piRn?
1 answer
asked by
Mandy
1,371 views
Major outcomes of the Spanish-American War included all of the following EXCEPT:
A. the establishment of an extensive American
6 answers
asked by
sharice
1,366 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
2 answers
asked by
Bill
1,333 views
A topic statement is made up of a limited topic and a writer's point about the limited topic?
True Or False.
3 answers
asked by
Alex
1,309 views
Find the perimeter of a square to the nearest tenth if the length of its diagonal is 16 millimeters
1 answer
asked by
Amber
1,289 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
2 answers
asked by
Nicole
1,251 views
The third step in effective writing is to
A) organize and connect the specific evidence in a paper B) write clear, error-free
2 answers
asked by
Alex
1,204 views
Factor 2x squared minus 5x minus 3.
1 answer
asked by
sam
1,184 views
does anyone know the question to exam 007681 & 007682
6 answers
asked by
Peggy
1,167 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 answer
asked by
ike
1,165 views
Before the Spanish-American War, yellow journalism:
A. endorsed a policy of isolationism. B. wrote editorials that criticized
1 answer
asked by
sharice
1,153 views
Magnesium burns in air to produce magnesium oxide, MgO, and magnesium nitride, Mg3N2. Magnesium nitride reacts with water to
3 answers
asked by
D
1,138 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,
0 answers
asked by
christianah
1,127 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)
13 answers
asked by
Jacob
1,106 views
The group product manager for ointments at American Therapeutic Corporation was reviewing price and promotion alternatives for
2 answers
asked by
Anonymous
1,104 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
0 answers
asked by
bob
1,100 views
please help me to get the answers choices below just choice the letter provied. thanks a lot
1.Asset would be increased by :
0 answers
asked by
jessie
1,086 views
how can the concept of structuration help us to understand better the challenges faced by MaMarrandi?
1 answer
asked by
nobubelo
1,072 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 answer
asked by
Ana
1,047 views
rationale for imperialism in the era 1890–1910 included all of the following ideas EXCEPT:
A. American ideas and institutions
4 answers
asked by
sharice
1,044 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 answer
asked by
Ana
1,025 views
Capwell Corporation uses a periodic inventory system. The company's ending inventory on December 31, 2011, its fiscal-year end,
2 answers
asked by
kay
1,021 views
Can you prove ABCD is a parallelogram based on the given information? Explain.
Given: x = 5, y = 4 Prove: ABCD is a
1 answer
asked by
Kate
1,013 views
A manufacturer has designed a process to produce pipes that are 10 feet long. The distribution of the pipe length, however, is
1 answer
asked by
Hannah
999 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?
2 answers
asked by
Kate
971 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
3 answers
asked by
sam
966 views
Go-Carts You and three of your friends are going to race go-carts. The last time you
went, you had a coupon for $3 off each
2 answers
asked by
Vanessa
965 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,
2 answers
asked by
kik
956 views
Find the rule?
In Out 2 1/2 3 3/4 5/6 5/24 2/3 1/6
2 answers
asked by
hamza
945 views
Making responsible choice for healthy and balanced lifestle
1 answer
asked by
Brightness
939 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
2 answers
asked by
Anonymous
910 views
1. One undesirable change that often occurs during adolescent growth spurt is a(n)
a. Dangerous enlargement in heart size b.
3 answers
asked by
MEGHAT
904 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
0 answers
asked by
karim
875 views
2. According to Piaget, many 16 year-olds have reached the cognitive stage called:
a. Preconventional thought b. B. formal
1 answer
asked by
MEGHAT
853 views
Find the area lying above the x axis and below the parabolic curve y= 4x -x^2
a.8 b. 8 1/3 c. 10 2/3 d. 16 B or C not sure??
1 answer
asked by
anon
812 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
2 answers
asked by
ike
811 views
A given figure shows a rectangle inscribed in an isoceles right triangle whose hypotenuse is 18 units long. Express the y
0 answers
asked by
Anonymous
811 views
a100 grams bullets is fired from a 10kg gun with a speed of recoil of the gun
1 answer
asked by
ayesha khan
809 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 answer
asked by
Jada
808 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
0 answers
asked by
Graciela
783 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 answer
asked by
Anonymous
780 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 answer
asked by
Elmo
778 views
a100 grams bullets is fired from a 10kg gun with a speed of recoil of the gun
2 answers
asked by
ayesha khan
772 views
I need to find 4 rhetorical devices and I am having trouble!
Pearson’s address on the inauguration of the national flag of
7 answers
asked by
Jessica A
760 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 answer
asked by
Nick
754 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 answer
asked by
Maria
742 views
Ethics systems table
3 answers
asked by
rob
742 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 answer
asked by
anon
741 views
What is the purpose of adding
zinc chloride in the preparation of starch iodide paste? Please refer to the procedure below: -
0 answers
asked by
Jan
738 views
The Howland Carpet Company has grown rapidly during the past 5 years. Recently, its commercial bank urged the company to
0 answers
asked by
Kim
727 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 answer
asked by
shristi
721 views
A cart running on frictionless air tracks is propelled by a stream of water expelled by a gas-powered pressure washer stationed
1 answer
asked by
HELP!!!!
715 views
julie travels 6 times faster then mill. Traveling in opposite directions, they are 714 miles apart afte 6 hours. Find the rate
1 answer
asked by
Jamie
700 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 answer
asked by
Vanessa
699 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 answer
asked by
Ana
692 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 answer
asked by
joe
684 views
Hydrocodone bitartrate is used as a cough suppressant. After the drug is fully absorbed, the quantity of drug in the body
0 answers
asked by
calculas
680 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.
4 answers
asked by
MEGHAT
679 views
if it takes 1 monkey to eat a banana in 1 minute how long will it take 8 monkeys to eat 8 bananas
3 answers
asked by
chloe
676 views
What is the purpose of adding
zinc chloride in the preparation of starch iodide paste? Please refer to the procedure below: -
0 answers
asked by
jan
670 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 answer
asked by
jo
668 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 answer
asked by
Ana
668 views
The second stage in the writing process is to
A) accumulate raw material. B) brainstorm or freewrite or make a scratch outline C)
1 answer
asked by
Bobby
665 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
4 answers
asked by
liz
657 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
2 answers
asked by
shristi
647 views
your neighbors are purchasing a pool. their backyard is 20 yards wide and 30 yards deep. unfortunately the pool dealer will only
5 answers
asked by
victoria
645 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
2 answers
asked by
Oscar
642 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
0 answers
asked by
katelyn
640 views
Hey guys this is about my previous question:
I have trouble finding two texts that DISPLAY intolerance against gender, sexual
5 answers
asked by
Shivi
637 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
0 answers
asked by
mary
626 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
0 answers
asked by
amanda
623 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 answer
asked by
jake
616 views
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