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Questions Asked on March 19, 2017

The table shows the distribution, by age, of a random sample of 3990 moviegoers ages 12-74. If one moviegoer is
1. 2 answers
2. asked by Beth
3. 11,723 views
What was Truman's response when communism began spreading beyond the soviet-run eastern Europe?A. He made a plea to the united
1. 30 answers
2. asked by 1020304050
3. 9,167 views
Given: ∆ABC is isoscelesm∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB M is on line segment AB I saw that someone has already
1. 12 answers
2. asked by Serina
3. 8,874 views
It takes a ship 3 hours to cover 72 km with the current and 4 hours against the current. Find the speed of the ship in still
1. 13 answers
2. asked by annie
3. 6,385 views
A number divided by 5 gives 9 less than twice the number.Find the number.
1. 8 answers
2. asked by naveed
3. 5,895 views
The enthalpy of combustion of butane C4H10 is described by the reaction:C4H10(g) + (13/2) O2(g) -> 4CO2(g) + 5H2O(g) ΔH°rxn =
1. 1 answer
2. asked by anon
3. 5,889 views
An empty aerosol-spray can at room temperature (20 ◦C) is thrown into an incinerator where the temperature reaches 458◦C. If
1. 4 answers
2. asked by Madi
3. 5,326 views
The sixth-grade art students are making a mosaic using tiles in the shape of right triangles. Each tile has leg measures of 3
1. 17 answers
2. asked by name
3. 4,851 views
Which of the following shared trait of artists and inventors allows an artist to render accurate images on canvas and an
1. 29 answers
2. asked by Artize
3. 4,007 views
Let L be the line passing through the point P=(1, −1, −5) with direction vector →d=[−2, −4, 3]T, and let T be the
1. 2 answers
2. asked by shana
3. 3,785 views
what is the oxidation number of Carbon in C6H12?thank you!
1. 1 answer
2. asked by Jake
3. 3,740 views
A city council consists of eight Democrats and seven Republicans. If a committee of six people is selected, find the
1. 1 answer
2. asked by Beth
3. 3,617 views
. What is the pH of a solution in which 15 mL of 0.10 M NaOH is added to 25 mL of 0.10M HCl?
1. 2 answers
2. asked by Anonymous
3. 3,513 views
How many joules are required to raise the temperature of 450mL of water from 30 °C to 100 °C?The specific heat of copper metal
1. 1 answer
2. asked by Jenner
3. 3,326 views
A school club consists of 22 male students and 15 female students. If 3 students are selected to represent the club in the
1. 2 answers
2. asked by kim
3. 3,002 views
Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and rolling a number cube?
1. 19 answers
2. asked by swimmerGirl
3. 2,853 views
. A runner jumps over a hurdle. Neglecting friction, the potential energy of the runner atthe highest point compared to his
1. 3 answers
2. asked by james
3. 2,785 views
What is the least number of carbon atoms, in a non-cyclic alkane molecule that has a chiral centre.
1. 1 answer
2. asked by M.J
3. 2,569 views
Claire jogs around an oval track and is able to complete one lap in 5 minutes. If she jogs at the same pace for 42 minutes, how
1. 6 answers
2. asked by Cory
3. 2,492 views
A chord of a circle is 9cm. If its distance from the centre of the circle is 5cm,calculate the radius of the circle
1. 3 answers
2. asked by happiness
3. 2,463 views
One number is greater than another by 40/11. If the smaller number is less than 47/22 by 1/2, find the number.
1. 4 answers
2. asked by Debabrata Show
3. 2,134 views
calculate the mass at 15.0 L at NH3 at 27 digree Celsius and 900 mm hg?
1. 2 answers
2. asked by Tshering
3. 2,101 views
In electrical engineering, a continuous function like f(t)=sin(t), where t is in seconds, is referred to as an analog signal. To
1. 1 answer
2. asked by Sam
3. 2,099 views
The specific heat of copper metal is 0.385 J/ g- K. How many KJ of heat needed to raise the temperature of 1.1 kg block of
1. 1 answer
2. asked by kathryn
3. 1,971 views
an arrow is shot straight up from a cliff 58.8 meters above the ground with an initial velocity of 49 meters per seconda. write
1. 2 answers
2. asked by Jabari
3. 1,808 views
There was a sample of550 milligrams of a radioactive substance to start a study. Since then, the sample has decayed by 5.2% each
1. 1 answer
2. asked by Anonymous
3. 1,763 views
Find the scalar equation for the plane passing through the points P1=(−3, −5, 5), P2=(1, −6, 6), and P3=(0, −9, 4).
1. 1 answer
2. asked by shana
3. 1,714 views
4. A charge q1 =2.00µC is located at the origin and a charge q2=-6.00µC is located at (0, 3.00) m.1. Find the total electric
1. 1 answer
2. asked by Willard
3. 1,671 views
The Dimension of a cuboid Are in the Ratio 4:3:1 and its total surface area is 950 cm2 .Find Its Dimensions.
1. 1 answer
2. asked by Gourav
3. 1,611 views
What mass of ammonia is necessary to produce 500 kJ of heat?4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) ΔrH = -906 kJ mol-1
1. 1 answer
2. asked by Anonymous
3. 1,400 views
What event in 1949 forced Stalin to realize the est was not going to abandon West Berlin as he had hoped?A. the Marshal Plan B.
1. 1 answer
2. asked by AaBbCcDd
3. 1,357 views
I can't seem to figure this quadratic -An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars
1. 1 answer
2. asked by Jermaine
3. 1,275 views
How many moles of magnesium nitride form when 1.0 mole of magnesium reacts completely?
1. 2 answers
2. asked by Carly
3. 1,231 views
Varun takes a certain number of Rotis during lunch but always wasted half a roti. Rosa takes half the number of Rotis as Varun,
1. 1 answer
2. asked by Purva
3. 1,163 views
The rest energy of a proton is 938 MeV. If its kinetic energy is also 938MeV, calculate its momentum and speed.
1. 1 answer
2. asked by gourav
3. 1,108 views
Which of the following statements about the involvement of fathers is true?A. Fathers parent in a way that's different but
1. 1 answer
2. asked by Priscila
3. 1,102 views
A car can travel 45 km in 5 liters of petrol how for would it travel in 12 liters of petrol
1. 3 answers
2. asked by Abhishek MEENA
3. 1,089 views
A music industry researcher wants to estimate, with a 90% confidence level, the proportion of young urban people (ages 21 to 35
1. 0 answers
2. asked by shane
3. 1,037 views
Given:AB ∥ CD , BC ∥ AD , BD ∩ AC = O, M∈BC ; N∈AD Prove: BM = ND BD and AC are diagonals MN goes through the center
1. 2 answers
2. asked by Serina
3. 1,031 views
A hot air balloon carries a load of 1000 N including its own weight. The balloon is 10 m in diameter. Estimate the average air
1. 0 answers
2. asked by Brandon
3. 1,007 views
An ordinary dice is rolled what are the odds against and in favour of the event "multiple of Three"?
1. 2 answers
2. asked by ranji public
3. 1,003 views
One number is greater than another by 40/11. If the smaller number is less than 47/22 by 1/2, find the numbers.
1. 1 answer
2. asked by Anonymous
3. 998 views
One of the angles of a parallelogram is 36° greater then another one. Find the angles of the parallelogram.
1. 1 answer
2. asked by Anonymous
3. 958 views
Each year, a $2400 computer depreciates by 25%. By how much will it depreciate in the second year?
1. 2 answers
2. asked by Jasmine
3. 956 views
In triangle XYZ the measure of angle X equals 34 degrees and the measure of angle Z equals 38 degrees find the measure of angle
1. 1 answer
2. asked by Jesse
3. 933 views
the value of a particular investment follows a pattern of exponential growth. In the year 2000,you invested money in a money
1. 1 answer
2. asked by Hilary
3. 891 views
I struggle with understanding when to use an apostrophe with singular words ending with S..Like for example, Class or Hughes..
1. 2 answers
2. asked by Jolly
3. 882 views
a mixture of toluene and water boils at 90 degrees. calculate the vapour pressure at this temperature. Assume the atmospheric
1. 1 answer
2. asked by joyce
3. 879 views
A carnot’s engine with air as working substance is initially at 3270C and pressure of 12 atmospheres. The volume is one litre
1. 1 answer
2. asked by anil
3. 878 views
So what would the explanation for this be? Its really confusing me.The Ksp is independent of [NaOH] while the solubility of
1. 1 answer
2. asked by Help101
3. 875 views
4.In the town of sleepy oak the fine for a speeding ticket is $32.65 + s dollars, where s is the miles per hour over the speed
1. 1 answer
2. asked by LOL
3. 858 views
Predicted winner in an election for town mayor. Method C: Telephone 100 randomly-chosen voters who live in the town. 54 percent
1. 3 answers
2. asked by Andrew
3. 822 views
Saturated solution of Ca(OH)2 in 0.05349 mol/L NaOH.Temperature: 22.1 * C Volume of Ca(OH)2/NaOH aliquot: 25ml Concentration of
1. 4 answers
2. asked by DrBobPleaseHelp
3. 813 views
Point E is the midpoint of side BC of parallelogram ABCD, and point F is the midpoint of sideAD. Prove that quadrilateral BEDF
1. 0 answers
2. asked by Hello! :)
3. 811 views
2. Find the charge in potential energy of the system of two charges plus a third charge q3= 3.00µC as the latter charge moves
1. 1 answer
2. asked by Willard
3. 804 views
a watch making firm operating in a competitive market.given by c= 100+ q2., where q is the level of output & c is total cost.a.t
1. 2 answers
2. asked by Anonymous
3. 770 views
Find the exact value of the trig function below.cos2Ø if sinØ = 2/5
1. 2 answers
2. asked by Sophie
3. 767 views
A ferry boat departed from port and traveled at a rate of 10 miles per hour at an angle 30° north of East across a large river.
1. 1 answer
2. asked by Tyler
3. 758 views
Determine the pH at the equivalence point when 25.00 mL of 0.1056 M CH3COOH is titrated with 0.1056 M NaOH.
1. 1 answer
2. asked by Help101
3. 752 views
What are the dimensions of a rectangular field of area A that requires the least amount of fencing?
1. 4 answers
2. asked by Mark D.
3. 744 views
On May 18, 2010, a company reported that it had a net profit of $15.1 million, which represented an increase of 206.3% for
1. 1 answer
2. asked by Shelia
3. 744 views
A radioisotope P has a half-life of 3 s. At t = 0, a given sample of this isotope contains 8000 atoms. Calculate (i) its decay
1. 2 answers
2. asked by gourav
3. 741 views
A rectangle has a length of 5 and 1/2 units and an area of 132 square units. What is the width of the rectangle?
1. 1 answer
2. asked by Janet
3. 735 views
Nadia collected the data in the table on the left using a CBR after a ball wasdropped. (a) Enter the data into L1 and L2 using a
1. 1 answer
2. asked by Sara
3. 692 views
demands for the two markets are p1 = 15 _ q1 & p2= 25-2 q2. the monopolist`s tc is c = 5+3(q1+ q2). what are price,
1. 1 answer
2. asked by tewodros
3. 658 views
The difference between two numbers is 4.if the sum of five times the smaller number and the bigger number is 58,find the
1. 1 answer
2. asked by Amith
3. 647 views
In a quadrilateral ABCD, AB || DC and AD||BC. Find the perimeter of ΔCOD if the diagonals of the quadrilateral intersect each
1. 0 answers
2. asked by Anonymous
3. 647 views
What is the direction of the displacement of a person who walks 10 km at 37 degrees south of east, then 14 km due west?
1. 1 answer
2. asked by Anonymous
3. 639 views
prove the profit maximization of the consumer.mu= p by using mathmatical derivation.
1. 6 answers
2. asked by tewodros
3. 624 views
. The equation for a demand curve has been estimated to be Q = 100 - 10P + 0.5Y, whereQ is quantity, P is price, and Y is
1. 1 answer
2. asked by Anonymous
3. 620 views
The earth and the sun are 8.3 light-minutes apart in the same inertial frame. Two events occur at t = 0 on the earth and t = 3
1. 0 answers
2. asked by gourav
3. 611 views
How much time required to fill the 1000litre water tank with 2 inch pipeHow it calculate
1. 2 answers
2. asked by vimalraj
3. 601 views
Construct a right triangle having hypotenuse of length 5.6 and one of whose acute angle measure 30
1. 1 answer
2. asked by Math
3. 600 views
How does redistricting target women?How does media coverage affect the lack of women in politics
1. 4 answers
2. asked by Jenny
3. 599 views
Mass of iron cube having edge length 1.8m is 70g.Find it's density.
1. 1 answer
2. asked by Anonymous
3. 596 views
I am writing a research paper on China's One Child Policy and do not know what angle I should approach my thesis statement. Any
1. 1 answer
2. asked by Jessica
3. 596 views
Missiles are fired towards the earth from a spacecraft. The missiles are moving with a speed of 0.8c with respect to the
1. 1 answer
2. asked by gourav
3. 595 views
Olivia is three times as old as her sister.After three years,she is two years more than twice of her sister age.Then what is
1. 1 answer
2. asked by Abc
3. 592 views
Supersonic jets are able to achieve maximum speeds of up to 3.0 × 10-6c. Calculate the percentage contraction in the length of
1. 1 answer
2. asked by gourav
3. 584 views
In Medieval Europe areas like England, France, the Papal States, the Holy Roman Empire, and the Byzantine Empire had a different
1. 2 answers
2. asked by Dinga
3. 567 views
What would be an extraneous solution to the equation 4/(x+7) +3 = -2/13
1. 1 answer
2. asked by Lisa
3. 565 views
consider equilibrium equation below`Mg(NO3)2(aq) + 2Na(OH)(aq) <--> Mg(OH)2(s) + 2NaNO3 (aq) If NH3 is added, according to Le
1. 1 answer
2. asked by sam
3. 564 views
Henry uses 0.150L of 0.500 mol/L NaOH to neutralize 250.0 mL of the hydrochloric acid. What is the concentration of the HCl
1. 1 answer
2. asked by Hannah
3. 563 views
A star emits light with wavelength 120 nm. An observer on earth measures the wavelength of the light received from the star to
1. 0 answers
2. asked by gourav
3. 558 views
At what acceleration would you expect the blood pressure in the brain to drop to zero for an erect person? Why?(Assume there are
1. 0 answers
2. asked by Gihan
3. 537 views
A spaceship travels through space at a constant velocity of 3.00 x 10^2 m/s. What is the net force acting on the spaceship?
1. 1 answer
2. asked by Student12
3. 535 views
Two Small sphere are given positive electrical change. When they are 40cm apart the repulsion force between them has magnitude
1. 1 answer
2. asked by adam
3. 531 views
find the vertices, foci, equations of the asymptotes, length of LR, and the graph of the hyperbola x^2-4y^2+4x+24y=28
1. 1 answer
2. asked by rebs
3. 531 views
To the nerest degree,find the angle of elevation of the sun when a 9 metres vertical FlagPool casts a Shadnw 3 metres Long,
1. 1 answer
2. asked by Kalu
3. 529 views
Let me know if these are biotic abiotic or bothMushrooms,Desert, temperature, mold ,hair,ocean ,trees,rocks, gold plastic,
1. 1 answer
2. asked by Joshua Newall
3. 529 views
your cousin borrow 5000 at an interest rate of 7.5% and the rest at an interest rate of 12% the total paid is 819 . how much did
1. 1 answer
2. asked by Bob
3. 523 views
The angles of depression of two stones one mile apart on the same side of a tower are 30Â° and 45Â° .calculate height of the
1. 1 answer
2. asked by Nisha
3. 522 views
Find the exact value of the trig function below.cos a/2 if cosa = - 31/49 (assume cos a/2 is negative)
1. 1 answer
2. asked by Rachel
3. 516 views
At what acceleration would you expect the blood pressure in the brain to drop to zero for an erect person ?why? (Assume there
1. 0 answers
2. asked by Gihan
3. 513 views
A pair of running shoes cost $22.29.The store owner wanted to make a profit of $18.50.What should be the shoes' selling price?
1. 3 answers
2. asked by Noob Starter
3. 501 views
Please, Completely factor 5c^2-24cd-5d^2Thank so much
1. 2 answers
2. asked by Anneliese
3. 495 views
If eye color is determined by 4 possible genetic combinations,RR-Brown/RL-Brown/LR-Brown/LL-Blue,what percent of the possible
1. 1 answer
2. asked by Anneliese
3. 489 views
The lenses used in a compound microscope have powers of + 110 D and + 60 D .If a total magnification of -150 × is desired, what
1. 0 answers
2. asked by Kim
3. 487 views
Calculate the deBroglie wavelength of a^ 87Rb atom that has been laser cooled to 120 µK. (Assume that the kinetic energy is
1. 0 answers
2. asked by gourav
3. 478 views
What is the equation for each? please teach me..!1.Shifts(x)left 3 units to create t(x) 2.Reflect j(x)across the y-axis to
1. 1 answer
2. asked by apple
3. 477 views

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