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2012
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Questions Asked on December 1, 2012

A water-trough is 10m long and has a cross-section which is the shape of an isosceles trapezoidthat is 30cm wide at the bottom,
1. 2 answers
2. asked by asdf
3. 8,886 views
Find the unit rate. Round to the nearest tenth. 344 miles in 11 hoursi try and try i still don't get it please anybody could
1. 18 answers
2. asked by Alexa=(
3. 5,375 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer.tan θ = − sqrt 3/3
1. 2 answers
2. asked by amaa
3. 4,486 views
Determine the area of the segment of a circle if the length of the chord is 15 inches & located 5 inches from the center of the
1. 3 answers
2. asked by Cathy
3. 4,174 views
Two perpendicular chords divide a circle with a radius of 13 cm into 4 parts. If the perpendicular distances of both chords are
1. 3 answers
2. asked by Cathy
3. 4,004 views
In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 13.0 oC. The
1. 1 answer
2. asked by Redgy22
3. 3,606 views
A flagpole casts a 32-ft shadow. A boy who is 6 feet tall is standing near the flagpole casting a 16-ft shadow. They form
1. 2 answers
2. asked by veronica
3. 3,321 views
An organ pipe is open at both ends. It is producing sound at its third harmonic, the frequency of which is 406 Hz. The speed of
1. 1 answer
2. asked by LS
3. 3,185 views
Match each statement below with the constitutional principle it illustrates.P-Popular soverignty R-Republicanism F-Federalism
1. 7 answers
2. asked by Jerald
3. 2,936 views
Find the area of a portion of a semicircle of radius 15 m that is outside the area of an inscribed square if the base of the
1. 1 answer
2. asked by Cathy
3. 2,917 views
The standard electrode potential for the reduction of Eu3+(aq) to Eu2+(aq) is −0.43 V. determine which of the following is
1. 3 answers
2. asked by help
3. 2,850 views
It has 5 hundreds . The tens digit is 1 lees than the hundreds digit.the ones digit is 2 more than the hundreds digit
1. 2 answers
2. asked by Brianna
3. 2,817 views
Calculate delta H for this reaction:N2 + 3H2 --> 2NH3 I am given the bond dissociation energy for N-N (163 kJ/mol), H-H (436
1. 2 answers
2. asked by Emily
3. 2,677 views
A 15.0-kg block rests on a horizontal table and is attached to one end of a massless, horizontal spring. By pulling horizontally
1. 1 answer
2. asked by Elizabeth
3. 2,636 views
Find the area of a cyclic quadrilateral whose 2 sides measure 4 & 5 units, & whose diagonal coincides with a diameter of the
1. 1 answer
2. asked by Cathy
3. 2,621 views
Reaction: Na2CO3 + 2 HCl -> 2 NaCl + CO2 + H2oHow many grams of NaCl can be produced from the reaction of 1.35g of Na2CO3 with
1. 1 answer
2. asked by Jo
3. 2,426 views
Is lead non-polar covalent, polar covalent, ionic, network, or metallic and why?
1. 1 answer
2. asked by KnowsNothing
3. 2,281 views
A cubic crate of side s = 2.5m is top-heavy: its CG is 19cm above its true center.Part A How steep an incline can the crate rest
1. 2 answers
2. asked by chris
3. 2,075 views
A woman wishes to invest $12,000 in three of bonds: municipal bonds paying 7% interest per year, bank investment certificates
1. 1 answer
2. asked by Sky
3. 2,016 views
Find the area of a segment of a circle whose diameter is 16 cm & the central angle measures 80 degrees.Please include solution.
1. 2 answers
2. asked by Cathy
3. 1,978 views
use the given zeros to find the remaining zeros of the functionh(x)=x^4-9x^3+12x^2+138x-1360 zero:3-5i enter the remaining zeros
1. 3 answers
2. asked by Heather
3. 1,836 views
The number of patients treated at Dr. Artin’s dentist office each day was recorded for nine days. These are the data: 6, 6, 6,
1. 3 answers
2. asked by m
3. 1,803 views
Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. If a child starts from rest at
1. 1 answer
2. asked by HELP!!!
3. 1,791 views
Which of the following was NOT a result of the great migration of blacks in the 1920s?A) Blacks found they someetimes were able
1. 3 answers
2. asked by Maggie
3. 1,743 views
A circle has an area equal to 25 pi sq.cm. Its diameter AB coincides with one of the sides of triangle ACB in which the vertex C
1. 1 answer
2. asked by Cathy
3. 1,741 views
Two soccer players start from rest, 41 m apart. They run directly toward each other, both players accelerating. The first
1. 1 answer
2. asked by Anonymous
3. 1,690 views
Dimethylamine burns in oxygen according to the following equation:4 C2H7N + 15 O2 → 8 CO2 + 14 H2O + 2 N2 (a) How many liters
1. 1 answer
2. asked by Sarah
3. 1,567 views
1.for the given function f&g, find the following and state the domain of each result.f(x)=2x+1/9x-5; g(x) 4x/9x-5 a.(f+g)(x)=?
1. 2 answers
2. asked by cnfused-steve please
3. 1,522 views
You are given 2.677 g of a mixture of KClO3 and KCl. When heated, the KClO3 decomposes to KCland O2, 2 KClO3 (s) → 2 KCl (s) +
1. 3 answers
2. asked by Sam
3. 1,497 views
A boat travels 1 km upstream and 1 km back. The time for the round trip is 4 hours. The speed of the stream is 5 km/hr. What is
1. 2 answers
2. asked by Rilee
3. 1,444 views
28.31 mL of O2(g) at 1.00 atm pressure dissolve in 1.00 L of water at 25.0 °C. If the pressure of O2(g) is raised to 3.86 atm
1. 5 answers
2. asked by Anonymous
3. 1,395 views
a tennis ball is thrown vertically upward from the ground and the student gazing out of the window sees it moving upward pass
1. 1 answer
2. asked by john daniel
3. 1,379 views
Suppose that a fully charged lead¨Cacid battery contains 1.16 L of 5.00 M H2SO4. What will be the concentration of HSO4- in the
1. 0 answers
2. asked by sabrina:help please
3. 1,378 views
Calculating Cost of Equity. The Lo Tech Co. just issued a divident of $2.20 per share on its common stock. The company is
1. 1 answer
2. asked by Jina
3. 1,306 views
1. answer the following for the given quadratic functionf(x)=x^2+10x-11 a.what is the vertex (h,k) of f? b. what is the axis of
1. 0 answers
2. asked by cnfused-steve please
3. 1,293 views
1) Write a translation rule that maps point D(7, –3) onto point D'(2, 5).Note: PLEASE ANSWER, NEAT & CORRECT PLEASE AND THANK
1. 0 answers
2. asked by !!!Please Answer!! NOW
3. 1,286 views
There were 20% more boys than girls in a swimming club. After 50 girls left, there were twice as many boys as girls in the club.
1. 1 answer
2. asked by jane
3. 1,278 views
an automobile moving at constant velocity of 15m/sec passes a gasoline station. two seconds later another automobile leaves the
1. 1 answer
2. asked by john daniel
3. 1,277 views
Post a 150-200 word response to the following question:Internet search engines, such as Google and Bing, have a great deal of
1. 1 answer
2. asked by ariel
3. 1,251 views
Find the z-score for the standard normal distribution where:P(z< -a) = 0.2451
1. 1 answer
2. asked by Huffette
3. 1,245 views
a farmer wants to fence in three sides of a rectangular field with 1,000 feet of fencing. the other side of the rectangle will
1. 1 answer
2. asked by judy
3. 1,202 views
What is the energy required to accelerate a 1600 kg car from rest to 33 m/s?
1. 1 answer
2. asked by Mike
3. 1,169 views
Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn
1. 0 answers
2. asked by James
3. 1,153 views
If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the
1. 0 answers
2. asked by HELP!!!
3. 1,152 views
Heat Q flows spontaneously from a reservoir at 481 K into a reservoir at 298 K. Because of the spontaneous flow, 2760 J of
1. 0 answers
2. asked by Redgy22
3. 1,149 views
Mills Company uses standard costing for direct materials and direct labor. Management would like to use standard costing for
1. 1 answer
2. asked by DAVID
3. 1,145 views
Evaluate (dS/dV)T for a van der Waals gas and a perfect gas
1. 1 answer
2. asked by Lawrence
3. 1,137 views
What does the line y = 3x - 7 look like?horizontal vertical slanted right upwards slanted right downwards
1. 3 answers
2. asked by Chely
3. 1,132 views
A small ball is attached to one end of a spring that has an unstrained length of 0.202 m. The spring is held by the other end,
1. 0 answers
2. asked by Elizabeth
3. 1,124 views
After 6.00 kg of water at 80.4 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach
1. 0 answers
2. asked by angie
3. 1,124 views
How many grams of KHP (204.22 g/mol) were present in container if 49.36 mL of 0.2264M NaOH were needed to reach the end point of
1. 3 answers
2. asked by T
3. 1,119 views
An experiment that led to the formation of the new field of organic chemistry involved the synthesis of urea, CN2H4O, by the
1. 1 answer
2. asked by Jack
3. 1,109 views
The observed wave speed is 20.3 m/s when the suspended mass is m = 3.07 kg. What is the mass per unit length of the string?I
1. 0 answers
2. asked by Emily
3. 1,094 views
Use the substitution x=3tan() to evaluate the indefinite integral 93dx/(x^2sprt(x^2+9))
1. 4 answers
2. asked by Anonymous
3. 1,081 views
A carbon dioxide laser is an infrared laser. A CO laser with a cavity length of 48.6cm oscillates in the m=100,000.0 mode. What
1. 2 answers
2. asked by sarah
3. 1,073 views
Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells.Enter your answer with 3
1. 1 answer
2. asked by sabrina
3. 1,049 views
Working on "Inferences from Dependent Samples" trying to find the standard deviation of the difference data.Differences: 24, 53,
1. 0 answers
2. asked by HELP
3. 1,034 views
Urbium (Ur) is an upscale element found in big cities. Its oxide (UrO2) is not very stable and decomposes readily at
1. 1 answer
2. asked by lisa
3. 1,029 views
Consider the titration of 100.0 mL of 0.100 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make
1. 1 answer
2. asked by canas
3. 1,027 views
how do you find the pH of a titration solution at its halfway point to the equivalence, and how would it affect solutions
1. 1 answer
2. asked by Chris
3. 1,025 views
x+2y=12find intercept a circle equation x^2+y^2+4x-4y-1=0 and graph 2)find domain and range f(x)=x^2-4x-5 find vertex of f(x)
1. 1 answer
2. asked by zach w
3. 1,022 views
pls help me.A buffer was prepared by dissolving 0.100 mol of the weak acid HA (Ka = 1.00 × 10−5) plus 0.050 mol of its
1. 1 answer
2. asked by canas
3. 1,017 views
Reaction:CaCO3 + 2 HCl -> CaCl2 + CO2 + H2O Calculate the molarity of hydrochloric acid solution if an initial mass of 4.568g of
1. 2 answers
2. asked by Jody
3. 1,013 views
If you place 10.0 L of propanol (C3H8O) in a sealed room that is 7.5 m long, 3 m wide, and 3 m high,will all the propanol
1. 1 answer
2. asked by Sarah
3. 1,006 views
I am workng on my introduction part of my speech and here is my transition sentence:With my voice, I can make a difference in 5
1. 1 answer
2. asked by Emma
3. 1,005 views
The graph shows the cost C in dollars to rent a car for one day as a function of the number m of miles driven.Which of the
1. 1 answer
2. asked by Jonathan
3. 1,004 views
Lead(II) oxide from an ore can be reduced to elemental lead by heating in a furnace with carbon.PbO(s) + C(s)= Pb(l) + CO(g)
1. 2 answers
2. asked by Jack
3. 1,003 views
The hot reservoir for a Carnot engine has a temperature of 926 K, while the cold reservoir has a temperature of 441 K. The heat
1. 1 answer
2. asked by angie
3. 985 views
im trying to complete this input output tableinput 0 output blank input 3/2 output 17/6 input 11/4 output blank input 3 output
1. 1 answer
2. asked by chelly
3. 976 views
A gardener is putting a fence along the edge of his garden. If he has 20 m of fence , what is the largest area he can enclose?
1. 3 answers
2. asked by Praphul
3. 976 views
How many atoms of tin are necessary toreact completely with 7.42 x 10(24th)g of HF. Sn(s) + 2HF(g) = SnF2(S) + H2 (g)
1. 1 answer
2. asked by curt
3. 955 views
An object ob 2 kg mass is initially at rest on the ground. then, the object is pulled up by a 20N force in 4s before it is
1. 1 answer
2. asked by Dwi
3. 941 views
A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open to the air at the top.
1. 0 answers
2. asked by gretch
3. 930 views
Half-lifeN2O5 dissolved in CCl4 decomposes to give N2O4 and O2. The reaction is first order with a half-life of 1234 seconds.
1. 3 answers
2. asked by Paul
3. 925 views
how can a salt be related to a particular acid and a particular base
1. 1 answer
2. asked by Dimitri
3. 918 views
Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over
1. 1 answer
2. asked by Alexa
3. 917 views
calculate the rms speed of nf3 molecules at 23 C?
1. 1 answer
2. asked by Sam
3. 902 views
The cash price of a speed boat is RM60,000. Under an installment plan, a buyer may pay a 30% down payment followed by monthly
1. 1 answer
2. asked by Jassie
3. 902 views
A business wants to give each of its employees a free ticket to the amusement park and has budgeted $1200 for tickets.1. Write
1. 2 answers
2. asked by tyneisha
3. 900 views
1. What is the longest wavelength for standing sound waves in a 133.9cm long tube that is open at both ends?b).What is the
1. 0 answers
2. asked by joane
3. 893 views
1. He wants to be a famous cartoonist because he likes drawing cartoons.2. He wants to be a famous professor because he likes
1. 1 answer
2. asked by rfvv
3. 888 views
A concentration cell is constructed of two hydrogen electrodes. The pressure of H2 is 1.00 atm in each hydrogen electrode. One
1. 0 answers
2. asked by sabrina:help please
3. 874 views
If the sign contains neon at a pressure of 1.72 torr at 32 C, how many grams of neon are in the sign? (The volume of a cylinder
1. 2 answers
2. asked by Sam
3. 870 views
A 5kg stone is lifted by a rope. its acceleration is 3m/s^2. the tention of the rope is ...
1. 0 answers
2. asked by Dwi
3. 864 views
What do you have to do before you go to bed?1. I have to vacuum the floor of my bedroom 2. I have to make the bed. 3. I have to
1. 1 answer
2. asked by rfvv
3. 862 views
revise the following sentences to eliminate faulty sentence structure, making them clear and grammatically need help with the
1. 5 answers
2. asked by miguel
3. 861 views
how can a salt be related to a particular acid and a particular base
1. 0 answers
2. asked by Dimitri
3. 855 views
A box of 5 kg mass slides horizontally on the floor for along a distance 9m in 3s due to a constant force. The magnitude of the
1. 1 answer
2. asked by Dwi
3. 852 views
Explain how the error term in a repeated measures ANOVA is actually an interaction
1. 0 answers
2. asked by nina
3. 835 views
A loudspeaker diaphragm is producing a sound for 2.0 s by moving back and forth in a simple harmonic motion. The angular
1. 0 answers
2. asked by Elizabeth
3. 825 views
abcd is a rectangle. If measure angle bac=30 find the measure of angle dbc
1. 5 answers
2. asked by sangini
3. 821 views
find the equation of the line that is parallel to the line y=15x and contains the point (1,-4)y= find the distance d (p_1, and
1. 2 answers
2. asked by confused--two questions please help
3. 808 views
1. At school, I enjoy chatting with my close friends.2. At school, I enjoy cleaning with other classmates. 3. At school, I enjoy
1. 1 answer
2. asked by rfvv
3. 806 views
(4,?) is on the line below. Find the other half of the coordinate.y=-3/4x+3
1. 2 answers
2. asked by Chely
3. 786 views
Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 35.9cm apart. The
1. 0 answers
2. asked by joane
3. 781 views
An underwater micriphone is used to record sounds emitted by porpoises. The minimum intensity level the instrument can record is
1. 0 answers
2. asked by rory
3. 770 views
Goods and services that are not sold in markets, such as food produced and consumed at home and some household articles, are
1. 1 answer
2. asked by Kensi
3. 764 views
Calculate DS if the temperature of 3 moles of an ideal gas with Cv,m = 1.5R isincreased from 200 K to 500 K under conditions of
1. 0 answers
2. asked by Lawrence
3. 762 views
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly
1. 3 answers
2. asked by James
3. 754 views
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly
1. 3 answers
2. asked by James
3. 751 views

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