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February
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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.
7 answers
asked by
Debbie
9,410 views
5. If f (x)=(2x+1)^4 then the 4th derivative of f(x)=0 at x = 0 is..
2 answers
asked by
Yoona
8,048 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
5 answers
asked by
Tori
7,488 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.
2 answers
asked by
Debbie
6,410 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 answer
asked by
gary
4,890 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 answer
asked by
jessica
4,500 views
suppose that you are an accident investigator and you are asked to figure whether or not the car was speeding before it crashed
3 answers
asked by
dima qud
4,117 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
6 answers
asked by
Hannah
3,343 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 answer
asked by
Tamara
3,198 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 answer
asked by
Vee
2,319 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?
2 answers
asked by
tina
2,197 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
3 answers
asked by
jc
1,908 views
Which aqueous solution below is expected to have the lowest freezing point? Assume 100% dissociation for ionic species.
1)0.25m
2 answers
asked by
Hannah
1,884 views
I need help please:
Because Saudi Arabia and Australia have ____ in production of crude oil and petroleum products and wool
1 answer
asked by
sharon
1,859 views
A school is fencing in a rectangular area for a playground. It plans to enclose the playground using fencing on three sides (One
3 answers
asked by
Jane
1,858 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
2 answers
asked by
jc
1,832 views
-3 > x > 5 as the inequality that represents the real numbers less than -3 or greater than 5. Explain why this is incorrect.
2 answers
asked by
lucy needs help now
1,739 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
2 answers
asked by
patricia
1,606 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
3 answers
asked by
lion
1,535 views
How can you use a multiplication fact to find a division fact?
1 answer
asked by
Nelson
1,507 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 answer
asked by
jazz
1,486 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 answer
asked by
Devon
1,479 views
Conditional positive regard can be damaging because _______________.
Answer A. the negative responses of others can lower
1 answer
asked by
Anonymous
1,474 views
A valid argument is one that, if its premises are accepted as true, has (Points : 1)
2 answers
asked by
Anonymous
1,448 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 answer
asked by
J
1,364 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
2 answers
asked by
HARRY
1,363 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 answer
asked by
Carol
1,357 views
A industrial raw material has the following composition by mas: iron = 28.1%; chlorine =35.7%; water of crystallization = 36.2%.
3 answers
asked by
alameen
1,355 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 answer
asked by
Nabil
1,315 views
The drawing shows four insulated wires overlapping one another, forming a square with 0.050-m sides. All four wires are much
2 answers
asked by
Anne
1,302 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 answer
asked by
lion
1,301 views
"This supernatural soliciting. Cannot be ill, cannot be good. If ill, Why hath it given me earnest of success Commencing in a
1 answer
asked by
Scooby10
1,284 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
5 answers
asked by
Brittany
1,269 views
The transmitter site of radio station WGGW and the
transmitter site of another radio station, WGWB, are on the same highway 100
0 answers
asked by
reena
1,232 views
an electronics store receives a shipment of 40 graphing calculators including 3 that are defective. Four of the calculators are
1 answer
asked by
cathy
1,229 views
1. Explain what Net Neutrality
is 2. Explain who wants and who doesn’t want Net Neutrality 3. Explain the Obama administrations
1 answer
asked by
blaze
1,188 views
Answer in complete sentences.
Te gusta más comer el desayuno o el almuerzo? ¿Por qué? My answer: Me gusta más comer el
1 answer
asked by
Anonymous
1,182 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 answer
asked by
Yoona
1,144 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
0 answers
asked by
patricia
1,136 views
Tracing the history of the colonial-British relations, defend or refute this statement:
The American Revolution makes no sense.
1 answer
asked by
Desiree
1,133 views
i make shattered image in art, but what shattered image mean? does it have meaning? i thought maybe it mean search for yourself.
13 answers
asked by
Mohammad
1,128 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 answer
asked by
DCM
1,117 views
words are:
A)convenient communication shortcuts B)not arbitrary symbols C)unique to each individual in english D)thoughts written
1 answer
asked by
Deb
1,105 views
Find the mean of the given probability distribution.
The number of golf balls ordered by customers of a pro shop has the
1 answer
asked by
mary
1,097 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
0 answers
asked by
Emily
1,083 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
0 answers
asked by
Anonymous
1,078 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 answer
asked by
Matt
1,066 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)
2 answers
asked by
Sejul
1,065 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
2 answers
asked by
Pat
1,055 views
Seven thousand raffle tickets are to be sold at $10 each to benefit a local community group. The prizes, the number of each
0 answers
asked by
Krista
1,038 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 answer
asked by
Da S
1,035 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 answer
asked by
Fatimah
1,035 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 answer
asked by
Bill
1,030 views
i need help making my conclusion sentence more sense for essay on love.
True love be built on solid base of trust, commitment,
3 answers
asked by
Mohammad
1,028 views
1. Sofia is the capital of what European nation? Bulgaria
2. Find the Nile River in Africa. What two cities are located near its
1 answer
asked by
Reed
1,027 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
2 answers
asked by
Parker
1,013 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 answer
asked by
billy
1,006 views
A uniform horizontal rod of mass 2.4 kg and
length 0.86 m is free to pivot about one end as shown. The moment of inertia of the
1 answer
asked by
Latane
988 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
0 answers
asked by
reena
983 views
A train engine pulls out of a station along a straight horizontal track with five identical freight cars behind it, each of
2 answers
asked by
Anonymous
982 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
2 answers
asked by
Willis
978 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 answer
asked by
Krista
973 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
2 answers
asked by
Hanna
966 views
Calculate the moles of hexane required to form 150 g of carbon dioxide. Please show all working. Thank you.
1 answer
asked by
Megan
962 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 answer
asked by
ashley
954 views
could someone help me with this question?
Which of the following scenarios would not be considered international business? Choose
1 answer
asked by
sharon
946 views
I'm stuck on how to do these 4 problems concerning Chemical Equilibriums.
When varsol and iodine/pottasium iodide solutions are
6 answers
asked by
Alexis
927 views
2. At the point of fission, a nucleus of
235U that has 92 protons is divided into two smaller spheres, each of which has 46
1 answer
asked by
jc
916 views
Assume the density of aqueous HCl is the same as water (1.0 g/mL) and use the densities of
ethanol (0.789 g/mL) and water as well
1 answer
asked by
Mike
916 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.
2 answers
asked by
Alex
906 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 answer
asked by
Jen
902 views
was the new Deal essentially a consevative attempt to save American capitalism from collapse, a radical change in traditional
1 answer
asked by
heather
902 views
A force of 26 lb. acts through a point (4; 5; -7) ft. and is equally inclined
to the positive ends of the orthogonal axes. What
0 answers
asked by
Aaron
898 views
LIST TWO ENVIRONMENTAL CONDITIONS THAT MIGHT LEAD TO THE DISAPPEARANCE OF MANATEES FROM FLORIDA'S RIVERS? PLEASE HELP.
3 answers
asked by
KAYLA
884 views
Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random
1 answer
asked by
Krista
878 views
Explain how you find ordered-pair solutions of the equation 3x - 5y =15, and then find two such solutions.
2 answers
asked by
lucy needs help now
862 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
2 answers
asked by
Anonymous
857 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
2 answers
asked by
Tony
851 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 answer
asked by
Anonymous
849 views
Which of the following contributes to the bubbling from a cold can of soda when left standing at room temperature. Choose all
1 answer
asked by
Hannah
840 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
3 answers
asked by
Denise
839 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
2 answers
asked by
robyn
827 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
3 answers
asked by
ashley
824 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 answer
asked by
DonnaK
809 views
If very small concentrations of NaCl and AgNO3 are mixed, no precipitate forms. However, if large concentrations are mixed, a
4 answers
asked by
Sarah
797 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
3 answers
asked by
Hannah
788 views
What figure of speech is used in this statement: "Good Mistress Accost, I desire better acquaintance."
2 answers
asked by
valerie
784 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
3 answers
asked by
Laruen
783 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 answer
asked by
Lisa
776 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
2 answers
asked by
Henry2
774 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 answer
asked by
lucy needs help now
752 views
Please check my work! Thanks!
1. The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area,
3 answers
asked by
Suli
750 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 answer
asked by
Henry2
745 views
If all ionic substances completely ionized, the aqueous solution with the lowest freezing point would be
1)0.25m NH4NO3 2)0.30m
6 answers
asked by
Hannah
743 views
How many solutions do the linear equations x-y=2 -2x+2y=-1 have?
1 answer
asked by
Samantha
742 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
0 answers
asked by
Anonymous
740 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 answer
asked by
jat
733 views
Identify one external feature of the manatee that allows it to live in water. Please help me with this one too!?
3 answers
asked by
KAYLA
732 views
please check and correct if needed. thanks
problem: you have coupon of $50 off your telephone purchase of $100 or more at bell
2 answers
asked by
ann
729 views
under the influence of its drive force, snowmobile is moving at constant velocity along a horizontal patch of snow. When drive
0 answers
asked by
Sushmitha
727 views
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