# sunny

Popular questions and responses by sunny-
## math

a hall charges $30 per person for a sports banquet when 200 people attend. for every 10 extra people that attend, the hall will decrease the price by $1.50 per person. what number of people will maximize the revenue for the hall?

*asked on October 4, 2014* -
## maths

What is missing I don't understand the connection 60,000 ,30,000, 10,000=___________?

*asked on July 21, 2020* -
## Language Arts

1) An argumentative essay should present a clear thesis statement, provide strong evidence to support the thesis, and ______. A: address counterarguments B: repeat main points* C: include digital sources D: gather details 2) According to the Argumentive

*asked on November 28, 2016* -
## Science

Electric bulb is Marked 60 watts 120 volt what is the resistance of filament of bulb

*asked on November 13, 2016* -
## math

arnold has 24m of fencing to surround a garden, bounded on one side by the wall of his house. what are the dimensions of the largest rectangular garden that he can enclose? how do i solve this question please help step by step solutions please

*asked on September 27, 2014* -
## Calculus

The product of 2 positive numbers is 48. find the value of the numbers if the sum of one of the numbers and the cube of the other is a minimum.

*asked on May 24, 2012* -
## math

A specially made pair of dice has only one- and two-spots on the faces. One of the dice has three faces with one-spot and three faces with two-spot. The other die has two faces with one-spot and four faces with a two-spot. One of the dice is selected at

*asked on July 29, 2014* -
## math

In a triangle ABC,right angled at B, BD is drawn perpendicular to AC. prove that: (i) angle ABD = angle c (ii) angle CBD = angle A

*asked on July 27, 2012* -
## Earth

1. If the Earth were the size of B-B (with a radius of about 0.2 centimete), how big would the Sun be? How big would the Milky Way be? 2. Imagine building a model of the Solar System on your campus. Work out the diameter and spacings of the planets in

*asked on April 3, 2007* -
## Chemistry

A mixture of C3H8 and C2H2 has a mass of 2.5 g . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.5 times as many moles of CO2 as of water. Find the mass of C2H2 in the original mixture.

*asked on August 19, 2015* -
## chemistry help

what is lead (II) acetate + hydrogen sulphide --> Pb(C2H3O2)2 + H2S --> how do i figure it out?

*asked on March 25, 2014* -
## Chemistry

How many grams of CaCl2 would be required to produce a 3.5M(molar) solution with a volume of 2.0L?

*asked on April 27, 2013* -
## Math

Rick's car gets 29.7 miles per gallon on the highway.If his fuel tanks hold10.45 gallons,then how far can he travel on one full tank.?

*asked on November 13, 2012* -
## Physics

A parallel-plate capacitor is constructed of two horizontal 15.2-cm-diameter circular plates. A 1.9 g plastic bead, with a charge of -5.6 nC is suspended between the two plates by the force of the electric field between them. What is the charge on the

*asked on September 10, 2017* -
## physics

A loudspeaker has a movable diaphragm (cone) that vibrates back and forth in harmonic motion to produce sound. The displacement of the cone playing a sinusoidal test tone is shown above. Find the following values from the graph. (NOTE: t = 0.03 sec, and

*asked on December 31, 2012* -
## organic chemistry

urgent, please help me...this is about the separation and purification scheme... there is 4 group of mixture: a)benzoic acid, benzoin and 1,4-dibromobenzene b)fluorene, o-toluic acid and 1,4-dibromobenzene c)phenanthrene, methyl 4-aminobenzoate and

*asked on March 23, 2010* -
## Physics

A small metal bead, labeled A, has a charge of 26 nC . It is touched to metal bead B, initially neutral, so that the two beads share the 26 nC charge, but not necessarily equally. When the two beads are then placed 5.0 cm apart, the force between them is

*asked on September 10, 2017* -
## math

Given that a sports arena will have a 1400 meter perimeter and will have semi- circles at the ends with a possible rectangular area between the semi-circles, determine the dimensions of the rectangle and semi-circles that will maximize the total area.

*asked on May 8, 2013* -
## math

73. Cell Phone Plan A cell phone plan costs $3.95 per month plus $0.07 per minute. (Assume that a partial minute is not rounded up.) (a) During July, a person talks a total of 50 minutes. What is the charge? (b) Write an equation in slope–intercept form

*asked on January 18, 2013* -
## PHYSICS HELP PLEASE!

A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is the magnitude of the ball’s initial velocity?

*asked on January 8, 2013* -
## Math

Rick's car gets 29.7 miles per gallon on the highway.If his fuel tanks hold10.45 gallons,then how far can he travel on one full tank.?

*asked on November 13, 2012* -
## Science

When light passes into the eye, what is it focused by? Is it the cornea and pupil or the retina and cornea? Please help thankss

*asked on September 26, 2012* -
## Science

Which statement about scientific question is true? a. Scientific Questions should avoid bias or b. Scientific Questions should be as general as possible

*asked on September 6, 2012* -
## geometry

In a triangle ABC,right angled at B, BD is drawn perpendicular to AC. prove that: (i) angle ABD = angle c (ii) angle CBD = angle A

*asked on July 27, 2012* -
## Chemistry

How many atoms are present in a sample of 2.0 x 10^23 molecules of C7H5(NO2)3? Do you use Avogadro's Number? And please show work.. :)

*asked on January 6, 2012* -
## MATH

Find a positive integer m such that 1/2m is a perfect square and 1/3m is a perfect cube. Can you find a positive integer n for which 1/2n is a perfect square, 1/3n is a perfect cube and 1/5n is a perfect fifth power?

*asked on April 2, 2010* -
## Math

Fritz benjamin buys a car costing $8300. He agrees to make payment at the end of each month period for 8 years. He pays 7.2% interest compounded monthly. what is the amount of each payment? find the total amount of interest fritz will pay?

*asked on May 15, 2019* -
## Math

Three fifth of the members of a hiking trip club went on the last hiking trip. If 39 people went on the trip how many are in the club? Mathew travels two and one half miles to get to school. This is 3 times the distance that Jennifer travels . How far does

*asked on September 27, 2015* -
## Citizenship education

Define character in six page

*asked on April 10, 2015* -
## math

what does this question mean : Sketch a graph to show four graphs in each family. a) y=(x-3)(x+6) b) y= (x+1)(x+1)

*asked on September 27, 2014* -
## Math

a camera's focal length, F, is related to the distance from the subject, S, and the image distanc, I, by the equation 1/S+1/I=1/F Please show all your steps! thanks you

*asked on September 16, 2014* -
## English help!!

did anyone read the book "The girls" by Lori Lansens??

*asked on June 5, 2014* -
## english please help!!

In the book "The Alchemist" -by paulo coelho, how did Santiago's character change? And also what about the Englishman & Fatima.

*asked on May 25, 2014* -
## science-physics

a ray of light traveling from the air into crown glass strikes the surface at an angle of 30 degrees. what will the angle of refraction be? please help me!! don't ignore this !

*asked on April 24, 2014* -
## Chemistry

In an experiment a student allowed benzene C6H6, TO REACT WITH EXCESS BROMINE BR2, in an attempt to prepare bromobenzene C6H5Br. This reaction also produced as a by-product, dibromobenzene, C6H4Br2, On the basis of the equation. C6H6 + Br2 -> c6h5Br + H Br

*asked on November 1, 2012* -
## Calculus

Determine the work done by force f=[1,4] in newtons for an object moving along the vector d =[6,3] Okay i found the vector equation and then the parametric and now i have no clue what do please help :) One more thing there a question that say given the

*asked on June 17, 2012* -
## math

to compare3/8 and 9/16 what equivalent fraction could you find?

*asked on October 17, 2011* -
## Lotto 5/90 maths

35 7 85 33 40 - 60 74 25 19 2 what will this game produce for the next lotto game

*asked on April 11, 2011* -
## the lagrange multiplier equation

A cylindrical oil-storage tank is to be constructed for which the following costs apply: cost per square meter metal for sides $30.00 (cost per square meter) combined costs of concrete base and metal bottom $37.50(cost per square meter) top 7.50 (cost per

*asked on November 15, 2010* -
## Chemistry

A student performed the synthesis of aspirin using a water bath at 90C instead of 50C. The final product was tested for the presence of phenols with ferric chloride. This test was negative (no color observed); however, the melting point of the dry product

*asked on March 20, 2010* -
## Algebra 2

A blue print of a shopping complex shows that the bottom edge of the roof to be 93 feet above the ground. If the roof rises to a point 171 feet above the ground over a horizontal distance of 6.5 yards, what is the slope of the roof? I am positive the

*asked on October 14, 2009* -
## maths

prove that cos3x+sin3x/cos x-sin x=1+2sin2x

*asked on July 22, 2009* -
## Social Studies

How are the governments of Australia and the Pacific islands similar? How are they different?

*asked on November 27, 2019* -
## Math

Mrs. Adam walks between 2/5 and 4/5 mile every day. Which is the best estimate of the number of miles she will walk in 30 days?

*asked on October 14, 2019* -
## Math

A farmer has 4 cartons of specialty eggs for sale. Each carton contains 12 eggs. If 2/3 of the eggs are brown eggs, what is the total number of brown eggs he has for sale?

*asked on October 14, 2019* -
## Chemistry

why the yield of ester is relatively low? suggest modifications which would improve the purity of ester?

*asked on September 3, 2017* -
## Chemistry

What's the difference between the pressure of a system and the partial pressures in relation to Le Chatelier's principles? I know that when the pressure of the system is increased, it goes to the side with less moles/particles and when decreased it will go

*asked on July 13, 2017* -
## PHYSICS2, help!

A string is wrapped around the rim of a flywheel 0.400 m in radius, and a steady pull of 50.0 N is exerted on the cord. The wheel is mounted in frictionless bearings on a horizontal shaft through it's center. The moment of inertia of the wheel is 4.00

*asked on May 17, 2017* -
## PHYSICS, help!

A 5 kg block rests on a frictionless horizontal surface. A cord attached to the block passes over the pulley whose diameter is 0.120 m to the hanging block of mass 5 kg. The system is released from rest and the blocks are observed to move 3m in 2.0 s. A.

*asked on May 17, 2017* -
## Science

Define love

*asked on January 5, 2017* -
## Chemistry

How many Cu+2 ions are in 5.33 mol of CuCl2? I did this so far: n-> 5.33 mol Ncu-> ? ions M= 134.45 g =5.33 mol x (602x10^23 ions/ 1 mol) =3.21x10^24 ions

*asked on November 12, 2016* -
## Physics

A car of mass 920.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 48.2 km/hr (13.4 m/s), the net power which the engine supplies is 5900.0 W (in addition to the extra power required to make up for air resistance and

*asked on May 31, 2016* -
## Chemistry

1.) A closed 5.00 L container is filled with a mixture of 4.00 moles of hydrogen gas, 8.00 moles of oxygen, 12.0 moles of helium, and 6.00 moles of nitrogen. What is the pressure in this container at a temperature of 25 °C? 2.) A closed 5.00 L container

*asked on April 24, 2016* -
## Math

A projectile is launched upward from the ground at an initial velocity of 400 feet per second. During it’s upward flight, the projectile passes a hot air balloon floating at a constant height of 2400 feet. How many seconds later will the projectile pass

*asked on December 31, 2015* -
## Math

The price of a television set on sale is $360. This is two third of the regular price. Find the regular price?

*asked on September 27, 2015* -
## physics

If a staircase has five steps each 1.45m high and 1.5m wide. A ball is placed on the top of the staircase what maximum (horizontal) velocity be given to the ball so that it directly hits the lowest plane?

*asked on August 1, 2015* -
## Visual Logic

Create an amortization schedule to calculate your monthly payments on a car and show the loan balance over time with visual logic? Must include assignment statements, IF statement, loop, array. amount= 20000 interest rate= 2% Pay by= 5 yrs So far i've done

*asked on July 23, 2015* -
## math

what is moving number of 90

*asked on March 29, 2015* -
## physics

A physics student pulls a block of mass m = 20 kg up an incline at a slow constant velocity for a distance of d = 4.5 m. The incline makes an angle Δ = 30° with the horizontal. The coefficient of kinetic friction between the block and the inclined plane

*asked on March 8, 2015* -
## Math

Mrs. Monk is wrapping presents . If a roll and a half wraps 5 gifts, if there are 9 same sized presents, how many rolls of paper are needed?

*asked on February 20, 2015* -
## Math

Mrs monk rented a truck for 3 days. Enterprise charged her $40. per day plus $.25 per miles. The total charge was $142.75. How many miles did she drive the truck? (1) 411 miles (2) 91 miles (3) 251 miles (4) 571 miles

*asked on February 20, 2015* -
## Math

Mrs. Monk rented a truck for 3 days. Enterprise charged her $ 40 per day plus $0.25 per miles. The total charge was $142.75. How many miles did she drive the truck?

*asked on February 20, 2015* -
## physics

Mrs. Meissner is taking her dog Cooper for a walk. Cooper stops to sniff a tree stump and Mrs. Meissner has to exert a force of 148 N on Cooper's leash (held 35 angle above the horizontal) in order to get him to move 2.0 m away from the tree stump.

*asked on November 11, 2014* -
## math

for what values of k in y=3x+k with the curve y=-x^2-3x+6 intersect the line at 2 points

*asked on September 29, 2014* -
## MATH ASAP!!

Rationalize the denominator using the conjugate. 1/1-√7+√5 please show all the steps and explain it

*asked on September 23, 2014* -
## math

Rationalize the denominator using the conjugate. 1/1-√7+√5 please show all the steps and explain it i don't get it

*asked on September 23, 2014* -
## math help ASAP!!

simplify fully! 3x-2/x+4 = 18-4x/x^2-16 - 3x+2/4-x show all of your steps pleasee !!

*asked on September 17, 2014* -
## math help

find the ratio of the volume to the surface area of the rectangular prism shown. L= 4x+8 W= x+2 H= 2x+4 please show all your steps please!!

*asked on September 16, 2014* -
## math help!!

factor: a^2/36 - b^2/49 show all your steps please!!

*asked on September 4, 2014* -
## Math

factor: a^2/36 - b^2/49 show all your steps please !

*asked on September 4, 2014* -
## math help!!

factor: 9n^2-25

*asked on September 3, 2014* -
## math

what is the vertex of y=x^2-4 ??

*asked on June 17, 2014* -
## science

1) why are images produced under the microscope reversed & inverted? 2) why does a specimen need to be centered in the field of view on low power before going to high power?

*asked on May 13, 2014* -
## math-factor

factor: 2x^2(x-3)+12x(3-x)-18(x-3)

*asked on May 5, 2014* -
## physics

calculate the image positions and magnifications for an object 3cm tall and a mirror of focal length +12 with the object at the following positions: 2.5 f, 2.0 f, 1.5 f, 0.5 f. please help me don't understand it at all. it would be best if you can explain

*asked on April 16, 2014* -
## chemistry

what is a complete and incomplete combustion reaction ??

*asked on March 30, 2014* -
## math help

factor: 1) (x+y)^2 - (a+b)^2 = [(x+y) - (a+b)] [(x+y) + (a+b)] = [x+y-a-b] [x+y+a+b] 2) 6x^4 - 6 = 6(x^4 - 1) = 6(x^2-1)(x^2+1) Is this right?

*asked on March 28, 2014* -
## math help!!

Factor: 2(2x^2-x)^2-3(2x^2-x)-9

*asked on March 27, 2014* -
## math help!!

factor: (x^2+5x)^2 - 36 and (a-b)^2 - (c-d)^2 show the steps pleasee!

*asked on March 27, 2014* -
## math help

factor: (a-b)^2 - (c-d)^2

*asked on March 27, 2014* -
## math help ASAP!!

factor: 2m^3 - 7m^2n - 15mn^2

*asked on March 27, 2014* -
## math

factor: -20x^2 + 5y^2

*asked on March 27, 2014* -
## math

how do you factor: (a - b)^2 - c^2

*asked on March 27, 2014* -
## english

choose the correct one. a) I wore all of the safety equipment for skateboarding; however, I still hurt myself. b) I wore all of the safety equipment for skateboarding, however, I still hurt myself. c) I wore all of the safety equipment for skateboarding

*asked on March 25, 2014* -
## english

i have a question say you're writing a sentence such as "I ate apples, bananas, oranges, and grapes." is there a comma before 'and' or no?

*asked on March 25, 2014* -
## english-essay writing topic

what is a good topic to write about for a personal essay? it has to be something that is meaningful. PLEASE HELP ASAP!!!

*asked on March 18, 2014* -
## physics

Use the following information to calculate the speed of a ball in a pinball machine at a specific location. The ball is launched by using a spring (k = 684 N/m) compressed by 7.8 cm. Consider the starting position of the ball to be its location when the

*asked on March 10, 2014* -
## physics

A bead of mass m = 42.5 kg is released from point A which is located 5 m above the ground and slides on the frictionless track as shown in the figure. Determine the beads speed when it reaches point C which is located 2.0 m above the ground.

*asked on March 10, 2014* -
## physics lab

The experiment done in lab is repeated, using a ball that has unknown mass m. You plot your data in the form of f 2 versus M/L, with f in rev/s, M in kg, and L in m. Your data falls close to a straight line that has slope 7.82 m/(kg · s2). Use g = 9.80

*asked on February 24, 2014* -
## physics

A small block has a horizontal velocity of 4.00 m/s as it slides off the edge of a table. The table is a vertical distance of 0.95 m above the floor. If g = 9.80 m/s2, how far does the block travel horizontally while it is in the air?

*asked on February 24, 2014* -
## Math

When Marcia started walking a 6 mile section of the trail, it took her 3.3 hours.After 1week her time was 3.1hours and after 2 weeks, it was 2.9 hours. If the pattern continues, what will Marcia's time be after 5 weeks?

*asked on February 10, 2014* -
## Science

How are the reactants and products of photosynthesis and cellular respiration related?

*asked on December 9, 2013* -
## Stats

The random variable U has mean 10 and standard deviation 5.The random variable V is de ned by V =12(U + 5).Find the mean and standard deviation of V.

*asked on November 19, 2013* -
## Math

Which fraction is equivalent to 5/6 * 1/3 ? 5/18 2/5 1 and 1/6 2 and 1/2

*asked on July 1, 2013* -
## Math

Which fraction is equivalent to 5/6 (divided sign) 1/3? 5/18 2/5 1and 1/6 2and1/2

*asked on July 1, 2013* -
## calc

x^2 + √(x+y) + y^2 = 0; y is a differentiable function of x

*asked on May 8, 2013* -
## calc

Integrate 1/(ln(x)); f(e^e)=1 please provide step! confused because of f(e^e)!

*asked on May 8, 2013* -
## math

integrate (x^2 + 2x + 5) / (x - 2)

*asked on May 8, 2013* -
## calc

Given X^2 + Y^2 = R^2, namely, a circle with center (0,0) and radius R, use integration to prove that the circle’s area equals πR2

*asked on May 1, 2013* -
## calc

Integrate 2(x^2)e^g(x) where g(x)=4^(x^3)

*asked on May 1, 2013*

## Pages

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