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2012
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Questions Asked on February 12, 2012

Find the length of segment RS if S between R and T, the length of RS is 1/3 the length of segment RT, RS=3x-3 and ST=2x+6.
1. 7 answers
2. asked by Debbie
3. 9,434 views
5. If f (x)=(2x+1)^4 then the 4th derivative of f(x)=0 at x = 0 is..
1. 2 answers
2. asked by Yoona
3. 8,064 views
A solution of 1.50g of solute dissolved in 25.0 mL of H2O at 25C has a boiling point of 100.95C. What is the molar mass of the
1. 5 answers
2. asked by Tori
3. 7,515 views
find y if s is the midpoint of segment RT, T is midpoint of segment RU, RS = 6x+5, ST=8x-1, and TU=11y+13.
1. 2 answers
2. asked by Debbie
3. 6,429 views
The half-life for the process 238 U --> 206 Pb is 4.5*10^9 yr. A mineral sample contains 66.0 mg of 238 U and 16.0 mg of 206Pb.
1. 1 answer
2. asked by gary
3. 4,908 views
A golf ball is struck with a five iron on level ground. It lands 92.7 m away 4.40 s later. What was (a) the direction and (b)
1. 1 answer
2. asked by jessica
3. 4,521 views
suppose that you are an accident investigator and you are asked to figure whether or not the car was speeding before it crashed
1. 3 answers
2. asked by dima qud
3. 4,140 views
How many grams of water are needed to dissolve 27.8g of NH4NO3 (80.0 g/mol) in order to prepare a 0.452 m (molal) solution?27.8g
1. 6 answers
2. asked by Hannah
3. 3,363 views
A 200. gram sample of a salt solution contains 0.050 grams of NaCl. What is he concentration of the solution in parts per
1. 1 answer
2. asked by Tamara
3. 3,219 views
Consider the equilibrium system: N204 (g) = 2 NO2 (g) for which the Kp = 0.1134 at 25 C and deltaH rx is 58.03 kJ/mol. Assume
1. 1 answer
2. asked by Vee
3. 2,348 views
Jim opened an account with $400. The account pays three percent quarterly. How much is in the account at the end of two years?
1. 2 answers
2. asked by tina
3. 2,215 views
Two charged particles of equal magnitude(+Q and +Q) are ﬁxed at opposite corners of a square that lies in a plane (see ﬁgure
1. 3 answers
2. asked by jc
3. 1,931 views
Which aqueous solution below is expected to have the lowest freezing point? Assume 100% dissociation for ionic species.1)0.25m
1. 2 answers
2. asked by Hannah
3. 1,905 views
A school is fencing in a rectangular area for a playground. It plans to enclose the playground using fencing on three sides (One
1. 3 answers
2. asked by Jane
3. 1,892 views
I need help please:Because Saudi Arabia and Australia have ____ in production of crude oil and petroleum products and wool
1. 1 answer
2. asked by sharon
3. 1,889 views
Four point charges are placed at the four corners of a square. Each side of the square has a length L. Find the magnitude of the
1. 2 answers
2. asked by jc
3. 1,851 views
-3 > x > 5 as the inequality that represents the real numbers less than -3 or greater than 5. Explain why this is incorrect.
1. 2 answers
2. asked by lucy needs help now
3. 1,757 views
HINT: 6% X $1,000,000 – {20% X ($1,000,000 – (6% X $1,000,000))} =6% X $1,000,000 – {20% X ($1,000,000 - $60,000))}= 6% X
1. 2 answers
2. asked by patricia
3. 1,630 views
11. You did 150. J of work lifting a 120.-N backpack.a. How high did you lift the backpack? b. How much did the backpack weigh
1. 3 answers
2. asked by lion
3. 1,568 views
How can you use a multiplication fact to find a division fact?
1. 1 answer
2. asked by Nelson
3. 1,531 views
A circuit consists of a 12.0 V battery connected to three resistors 44 ohms, 15 ohms and 120 ohms in series.A)Find the current
1. 1 answer
2. asked by jazz
3. 1,515 views
At a summer camp there are 60 girls and 30 boys. Twenty percent of girls and 40% of boys passed the swimming test. What percent
1. 1 answer
2. asked by Devon
3. 1,507 views
Conditional positive regard can be damaging because _______________.Answer A. the negative responses of others can lower
1. 1 answer
2. asked by Anonymous
3. 1,482 views
A valid argument is one that, if its premises are accepted as true, has (Points : 1)
1. 2 answers
2. asked by Anonymous
3. 1,469 views
A circular automobile racetrack is banked at an angle theta such that no friction between road and tires is required when a car
1. 1 answer
2. asked by J
3. 1,388 views
find the domain of the real valued function;f(x) = sqrt(5 - (sqrtx)) my solution: 5 - (sqrt x) >=0 -(sqrt x) >= -5 (sqrt x) <= 5
1. 2 answers
2. asked by HARRY
3. 1,383 views
The Revenue from the sale of x units of a product is represented by the following formula: R = 20(3x + 1)^-1 + 50x - 17 dollars.
1. 1 answer
2. asked by Carol
3. 1,378 views
A industrial raw material has the following composition by mas: iron = 28.1%; chlorine =35.7%; water of crystallization = 36.2%.
1. 3 answers
2. asked by alameen
3. 1,377 views
A car is traveling at a constant speed along road ABCDE. (Curve BC where Bis beginning of curve and C is the end of the curve is
1. 1 answer
2. asked by Nabil
3. 1,340 views
The drawing shows four insulated wires overlapping one another, forming a square with 0.050-m sides. All four wires are much
1. 2 answers
2. asked by Anne
3. 1,323 views
If You did 150 joules of work lifting a 120 newton backpack.A) How high did you lift the backpack?B)how muck did the backpack
1. 1 answer
2. asked by lion
3. 1,320 views
"This supernatural soliciting. Cannot be ill, cannot be good. If ill, Why hath it given me earnest of success Commencing in a
1. 1 answer
2. asked by Scooby10
3. 1,309 views
A turntable of radius 2m rotates freely about a fixed vertical axis. A child 19 kg is standing on the turntable right at the
1. 5 answers
2. asked by Brittany
3. 1,290 views
The transmitter site of radio station WGGW and thetransmitter site of another radio station, WGWB, are on the same highway 100
1. 0 answers
2. asked by reena
3. 1,255 views
an electronics store receives a shipment of 40 graphing calculators including 3 that are defective. Four of the calculators are
1. 1 answer
2. asked by cathy
3. 1,254 views
1. Explain what Net Neutralityis 2. Explain who wants and who doesn’t want Net Neutrality 3. Explain the Obama administrations
1. 1 answer
2. asked by blaze
3. 1,202 views
Answer in complete sentences.Te gusta más comer el desayuno o el almuerzo? ¿Por qué? My answer: Me gusta más comer el
1. 1 answer
2. asked by Anonymous
3. 1,199 views
i make shattered image in art, but what shattered image mean? does it have meaning? i thought maybe it mean search for yourself.
1. 13 answers
2. asked by Mohammad
3. 1,156 views
2. Let f(x) = ksin(kx), where k is a positive constant. Find the area of the region bounded by one arch of the graph of f and
1. 1 answer
2. asked by Yoona
3. 1,155 views
Tracing the history of the colonial-British relations, defend or refute this statement:The American Revolution makes no sense.
1. 1 answer
2. asked by Desiree
3. 1,152 views
Your firm is considering the following three alternative bank loans for $1,000,000:A) 10 percent loan paid at year end with no
1. 0 answers
2. asked by patricia
3. 1,152 views
A generating station is producing 2.00 106 W of power that is to be sent to a small town located 7.0 km away. Each of the two
1. 1 answer
2. asked by DCM
3. 1,134 views
words are:A)convenient communication shortcuts B)not arbitrary symbols C)unique to each individual in english D)thoughts written
1. 1 answer
2. asked by Deb
3. 1,114 views
Find the mean of the given probability distribution.The number of golf balls ordered by customers of a pro shop has the
1. 1 answer
2. asked by mary
3. 1,111 views
A string connecting a car of a certain mass, x1, on an air track is connected to another mass, x2, by a string over a pulley. If
1. 0 answers
2. asked by Emily
3. 1,107 views
While an elevator of mass 2681 kg moves upward, the tension in the cable is 29.4 kN.(a) What is the acceleration of the
1. 0 answers
2. asked by Anonymous
3. 1,099 views
a .20 kg ball on a string is whirled on vertical circle at constant speed. When the ball is at 3:00 position, tension is 16 N.a)
1. 2 answers
2. asked by Sejul
3. 1,084 views
A test tube in a centrifuge is pivoted so that it swings out horizontally as the machine builds up speed. If the bottom of the
1. 1 answer
2. asked by Matt
3. 1,081 views
A girl places a stick at an angle of 60.0° against a flat rock on a frozen pond. She pushes at an angle and moves the rock
1. 2 answers
2. asked by Pat
3. 1,075 views
1. Sofia is the capital of what European nation? Bulgaria2. Find the Nile River in Africa. What two cities are located near its
1. 1 answer
2. asked by Reed
3. 1,060 views
Seven thousand raffle tickets are to be sold at $10 each to benefit a local community group. The prizes, the number of each
1. 0 answers
2. asked by Krista
3. 1,058 views
A jug contained 780ml of milk.Mrs Li poured 221ml of the milk into a glass and 130ml into a cup.what percentage of milk was left
1. 1 answer
2. asked by Da S
3. 1,057 views
Five independent samples, each of size n, are to be drawn from a normal distribution where sigma is known. For each sample, the
1. 1 answer
2. asked by Bill
3. 1,057 views
A tractor of mass 5000kg is used to tow a car of mass 2500kg.The tractor moved with a speed of 3meter per secound.Just before
1. 1 answer
2. asked by Fatimah
3. 1,051 views
i need help making my conclusion sentence more sense for essay on love.True love be built on solid base of trust, commitment,
1. 3 answers
2. asked by Mohammad
3. 1,038 views
Hayley has 16 square boxes to make an array of rectangular shapes on a grid. Harry says if she uses 19 square boxes she will get
1. 2 answers
2. asked by Parker
3. 1,027 views
a. A 0.1 molal solution of a weak monoprotic acid was found to depress the freezing point of water 0.1930C. Determine the Ka of
1. 1 answer
2. asked by billy
3. 1,023 views
A train engine pulls out of a station along a straight horizontal track with five identical freight cars behind it, each of
1. 2 answers
2. asked by Anonymous
3. 1,013 views
For every positive 2-digit number, x, with tens digit t and units digit u , let y be the 2 digit number formed by reversing the
1. 0 answers
2. asked by reena
3. 1,012 views
A uniform horizontal rod of mass 2.4 kg andlength 0.86 m is free to pivot about one end as shown. The moment of inertia of the
1. 1 answer
2. asked by Latane
3. 1,001 views
A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line. The company currently
1. 1 answer
2. asked by Krista
3. 998 views
solve the equation 4^2x-2b= (1/8)^x+b for x in terms of b.1) x=b/7 2) x=7b 3) x=-7b 4)x= -b/7
1. 2 answers
2. asked by Willis
3. 994 views
A triangular pyramid has a triangle base of 24 cm, triangle height of 16 cm, and a pyramid height of 14 cm. what is the volume
1. 2 answers
2. asked by Hanna
3. 984 views
Calculate the moles of hexane required to form 150 g of carbon dioxide. Please show all working. Thank you.
1. 1 answer
2. asked by Megan
3. 971 views
A 0.1 molal solution of a weak monoprotic acid was found to depress the freezing point of water 0.1930C. Determine the Ka of the
1. 1 answer
2. asked by ashley
3. 969 views
could someone help me with this question?Which of the following scenarios would not be considered international business? Choose
1. 1 answer
2. asked by sharon
3. 961 views
Assume the density of aqueous HCl is the same as water (1.0 g/mL) and use the densities ofethanol (0.789 g/mL) and water as well
1. 1 answer
2. asked by Mike
3. 943 views
I'm stuck on how to do these 4 problems concerning Chemical Equilibriums.When varsol and iodine/pottasium iodide solutions are
1. 6 answers
2. asked by Alexis
3. 942 views
2. At the point of fission, a nucleus of235U that has 92 protons is divided into two smaller spheres, each of which has 46
1. 1 answer
2. asked by jc
3. 935 views
If the density of cylinder 1 is 3.55 , what is the density of cylinder 2? (The masses and volumes of two cylinders are measured.
1. 2 answers
2. asked by Alex
3. 925 views
___A__/__\ B/____\C radius (each side of this equilateral triangle) 0.5 m Three point charges are located at the corners of an
1. 1 answer
2. asked by Jen
3. 923 views
A force of 26 lb. acts through a point (4; 5; -7) ft. and is equally inclinedto the positive ends of the orthogonal axes. What
1. 0 answers
2. asked by Aaron
3. 913 views
was the new Deal essentially a consevative attempt to save American capitalism from collapse, a radical change in traditional
1. 1 answer
2. asked by heather
3. 913 views
Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random
1. 1 answer
2. asked by Krista
3. 898 views
LIST TWO ENVIRONMENTAL CONDITIONS THAT MIGHT LEAD TO THE DISAPPEARANCE OF MANATEES FROM FLORIDA'S RIVERS? PLEASE HELP.
1. 3 answers
2. asked by KAYLA
3. 895 views
Two boxes with different masses M1 = 1.8 kg and M2 = 2.6 kg are tied together on a frictionless ramp surface which makes an
1. 2 answers
2. asked by Anonymous
3. 875 views
Explain how you find ordered-pair solutions of the equation 3x - 5y =15, and then find two such solutions.
1. 2 answers
2. asked by lucy needs help now
3. 874 views
Calculate the following:(a) mass of water in the hydrate sample (g): (b) number of moles of water in the sample: (c) mass of
1. 2 answers
2. asked by Tony
3. 870 views
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of
1. 1 answer
2. asked by Anonymous
3. 868 views
it takes Lucy 7 minues to cut a 20 yard by 1-yard roll of fabric into 14 equal pieces. How many minutes would it ake her to cut
1. 3 answers
2. asked by Denise
3. 860 views
On a chemistry exam, Student A scored a 81 and Student B scored a 70. The mean for the class was 75 and the standard deviation
1. 2 answers
2. asked by robyn
3. 860 views
Which of the following contributes to the bubbling from a cold can of soda when left standing at room temperature. Choose all
1. 1 answer
2. asked by Hannah
3. 851 views
A student is given 3 beakers:Beaker 1- 50.0 ml of a solution produced by dissolving 6.00 grams of a weak monoprotic acid ,HX, in
1. 3 answers
2. asked by ashley
3. 847 views
I have to do an assignment on Trends and Consumerism in Healthcare. What is a topic that I can do for this assignment? Please
1. 1 answer
2. asked by DonnaK
3. 827 views
If very small concentrations of NaCl and AgNO3 are mixed, no precipitate forms. However, if large concentrations are mixed, a
1. 4 answers
2. asked by Sarah
3. 817 views
1) Benzene freezes at 5.45 degrees celsius. The Kf for benzene is -5.07C/m. What would be the freezing point of a 0.210m
1. 3 answers
2. asked by Hannah
3. 811 views
I have this assignment for my social studies class. We have to write a DBQ essay on the American Revolution. We had done the
1. 3 answers
2. asked by Laruen
3. 795 views
How much heat is required to raise the temperature of a 65-g sample of water from 32 degrees celsius to 65 degrees celsius
1. 1 answer
2. asked by Lisa
3. 794 views
Thank you very much. By the way, what do you think of our Comenius project? Do you think we did a good job?I still have a few
1. 2 answers
2. asked by Henry2
3. 793 views
What figure of speech is used in this statement: "Good Mistress Accost, I desire better acquaintance."
1. 2 answers
2. asked by valerie
3. 791 views
Please check my work! Thanks!1. The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area,
1. 3 answers
2. asked by Suli
3. 782 views
the apothem of a regular polygon is the distance from the center of the polygon to a side. Explaiin how to derive a formula for
1. 1 answer
2. asked by lucy needs help now
3. 774 views
Two boxes with different masses M1 = 1.8 kg and M2 = 2.6 kg are tied together on a frictionless ramp surface which makes an
1. 0 answers
2. asked by Anonymous
3. 764 views
Thank you very much for encouraging me to go on with my work!Here are some more sentences I'd like you to check. Can I start my
1. 1 answer
2. asked by Henry2
3. 764 views
A boat which can travel at 5m/s in still water is crossing a river 200 m wide.the rate of the flow of the river is 2 m/s assumed
1. 1 answer
2. asked by jat
3. 754 views
If all ionic substances completely ionized, the aqueous solution with the lowest freezing point would be1)0.25m NH4NO3 2)0.30m
1. 6 answers
2. asked by Hannah
3. 754 views
under the influence of its drive force, snowmobile is moving at constant velocity along a horizontal patch of snow. When drive
1. 0 answers
2. asked by Sushmitha
3. 750 views
How many solutions do the linear equations x-y=2 -2x+2y=-1 have?
1. 1 answer
2. asked by Samantha
3. 749 views
please check and correct if needed. thanksproblem: you have coupon of $50 off your telephone purchase of $100 or more at bell
1. 2 answers
2. asked by ann
3. 747 views
Identify one external feature of the manatee that allows it to live in water. Please help me with this one too!?
1. 3 answers
2. asked by KAYLA
3. 745 views

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