# sunny

Most popular questions and responses by sunny-
## 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* -
## 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

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* -
## 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

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* -
## 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* -
## 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 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* -
## 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* -
## Chemistry

In a reaction between methane, CH4 and chlorine, Cl2 four products can form: CH3Cl, CH2Cl2 + CHCl3 and CCl4. In a particular instance, 20.8 g of CH4 were allowed to react with excess Cl2 and gave 5.0 g CH3Cl, 25.5 g CH2Cl2+ and 59.0 g CHCl3+ all the CH4

*asked on November 1, 2012* -
## 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 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

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

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

If you were flying directly south from the north pole and reached 70 degrees north latitude, how many more degrees of latitude would be left to pass over before you reached the south pole?

*asked on December 31, 2008* -
## 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* -
## 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* -
## 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* -
## Science

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

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

a machine gun fires 10 bullets persecond into a target. each bullet weights 20 gm and had a speed of 1500 m per second .find the force neccessary to hold the gun in posotion?

*asked on April 5, 2012* -
## math

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

*asked on October 17, 2011* -
## 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* -
## Statistics

70% of the student body of a very large post-scondary institution is female. In a random sample of 12 students, what is the probability that: a) at most half will be females b) more than 7 will be females c) fewer than 3 will be males I used the Table of

*asked on January 24, 2010* -
## chem

An element has ccp packing with a face-centered cubic unit cell. Its density is 1540 kg/m3 and the unit cell volume is 1.73 x 10-22 cm3. Calculate the molar mass (g/mol) of the element to three significant figures. CCP: cubic close pack

*asked on January 20, 2010* -
## physics

A 5.0 gm marble is fired vertically upward using a spring gun. The spring must be compressed 8 cm if the marble is to just reach a target 20 m above the marble’s position on the compressed spring .(a) What is the change in the gravitational potential

*asked on September 16, 2010* -
## 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* -
## 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* -
## maths

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

*asked on July 22, 2009* -
## 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 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

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* -
## calc

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

*asked on May 1, 2013* -
## 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* -
## Physics ASAP 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* -
## 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* -
## airthmetic progression

If m, n are natural numbers, m > n, sum of mth and nth term of an increasing AP is 2m and their product is m^2–- n^2, then what is the (m+n)th term of the A.P.?

*asked on December 6, 2012* -
## 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* -
## 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* -
## physics

A cart has a momentum of 10. kilogram meters per second east before a collision and a momentum of 5.0 kilogram meters per second west after the collision. The net charge in momentum of this cart is ? I am not sure how to solve.

*asked on January 5, 2013* -
## 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* -
## Finance/Algebra

Suppose you bought an 8% coupon bond one year ago for $1090.00. The bond sells for $1063.00 today. Assuming a $1000 face value, what was ur total dollar return over the past year? What was the nominal rate of return over the past year? And, if inflation

*asked on May 18, 2010* -
## chemistry

The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7. ( Separate the values

*asked on January 14, 2010* -
## 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* -
## 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* -
## Math

Gracie pattern of increasing perfect squares is shown 25,36,-------,64,81,100. What number does she need to to square to find the missing term? 5, 6,7,8

*asked on January 31, 2013* -
## geometry

Jim has put a fence along the side AC of the triangular patch of land shown below. A right angle triangle ABC is shown having length of one leg equal to 6 meters. The measure of angle ABC is 90 degrees. A fence is shown on the hypotenuse of the triangle.

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

A girl earns $6.00 an hour when she works Monday through Friday and $9.00 an hour on Saturday. Last week, her salary was $273 for 42 hours of work. How many hours did she work on Saturday?

*asked on October 28, 2010* -
## 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* -
## 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* -
## 6grademath

Pattern of increasing perfect squares is shown25,36-----64,81,100,what is needed to square to find the missing term,5,6,7,8.....how do I find the answer.

*asked on January 31, 2013* -
## Chemistry

Suppose a student is measuring the optical rotation of a 1 M sample of (S)-(-)- Limonene. The path length is 13cm. What optical rotation should the student expect to measure?

*asked on November 14, 2010* -
## Maths - check answer

On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The

*asked on March 11, 2008* -
## Astronomy

A cinder block can be weightless in space. Would you want to kick it with your bare foot? Even If it is weightless, does it have mass? An astronaut, circling the earth in the Space Shuttle, senses that his apparent weight is zero. He cannot feel the normal

*asked on April 10, 2007* -
## 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* -
## 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* -
## history

please could someone help i have got a crossword about the Treaty of Versailles 1919 and im stuck on this clue ive been trying to find the answer its driving me mad! ive looked on different sites but can`t find the answer its probably staring at me. the

*asked on June 26, 2010* -
## 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* -
## maths

kelvin and smith are incharged of counting people who gets of the lift they turn riding to floor an dback down counting as a go sfter two such trips each morning and two in evening their is an avarage taken the hotel manager wants tono the days avarage (a)

*asked on December 16, 2011* -
## lotto 5/90 maths

Winning Machine 55 44 16 38 24 - 37 62 65 90 29 12 70 16 65 74 - 25 83 57 46 80 37 69 72 14 8 - 86 40 22 6 24 what game will this 1st to 3rd week produce for 4th and 5th week winning

*asked on April 12, 2011* -
## CIS 105

As you have discovered, there are a variety of computers available, from the smallest computer in a domestic device to the supercomputers used in industry. Despite the different uses of computers, they all have basics elements in common—each computer

*asked on June 12, 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* -
## chem

The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7. ( Separate the values

*asked on January 14, 2010* -
## math help!!

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

*asked on September 4, 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* -
## math

a runner time in the 100 meter dash is 32second when rounded to the nearest whole number. Name the fastest and slowest time in decimal to hundredths.

*asked on November 3, 2011* -
## algebra

X2 [X to the second square]- 5x+1 2x-3

*asked on February 19, 2011* -
## Citizenship education

Define character in six page

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

Why is it difficult to distinguish between some pure substances and solutions? What methods can overcome this to define if either it is a pure substance or solution?

*asked on April 14, 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

A pendulum and a mass spring system are both undergoing simple harmonic motion on Earth (use g = 10 N/kg). It is observed that every time the pendulum goes back and forth, the spring has gone up and down 14 times. If the pendulum has a length of 5 meters

*asked on December 31, 2012* -
## Lotto 5/90 maths

37 69 72 14 8 - 86 40 22 6 24 what number will this game produce

*asked on April 12, 2011* -
## Maths

On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The

*asked on March 11, 2008* -
## 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* -
## 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

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 help!!

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

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

Ignoring the walls’ thickness, determine the outside dimensions that will minimize a closed box’s cost if it has a square base and top, if its volume is 32 cubic meters, and if the cost per square meter for the top, bottom, and sides respectively are

*asked on April 4, 2013* -
## Math

Ignoring the walls’ thickness, determine the outside dimensions that will minimize a closed box’s cost if it has a square base and top, if its volume is 32 cubic meters, and if the cost per square meter for the top, bottom, and sides respectively are

*asked on April 4, 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

Mirror images are formed by light from the object's right side reflecting from the right side of the mirror and light from the object's left side reflecting from the left side of the mirror. True or False please help! thanks

*asked on September 25, 2012* -
## math

suppose you had $1.76 in dimes and pennies. What is the fewest number of coins you could have? What coins are they?

*asked on January 23, 2012* -
## math

suppose you have 43 coins, all dimes and pennies that totals $2.68. How many of each coins do you have?

*asked on January 23, 2012* -
## college alg

Find (a) the equation of a line that is parallel to the given line and includes the given point, and (b) the equation of a line that is perpendicular to the given line through the given point. Write both answers in slope-intercept form. y = -4x + 2, (5, 4)

*asked on January 4, 2012* -
## maths

in a common coding method each of the letters of the alphabet is replace by the number denoting its usual place in alphabetical order, a bird is then encoded by multiplying the number representing the letter of the word. find an english word that is

*asked on December 16, 2011* -
## maths

i am trying to solve 4/x-2>5. i use calculator and mistakenly type of digit if other than 5. when i type in the problem ,so i get the wrong solution my answer was 2

*asked on December 16, 2011* -
## math

how can i use the fact 11*5 =55 to solve 11* 6?

*asked on September 23, 2010* -
## math

kara needs $35 for an aquarium for 6 fish. How can she pay with the least ten and one dollar bill?

*asked on September 14, 2010* -
## Pschology

Irresponsilbilty and carelessness fall within the _ factor of the five -factor theory. A. neurotism B. negligent C. extroversion D. openess to experience E. conscientiousness

*asked on June 2, 2010* -
## 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

reggig has a shelf that is 17 inches long.he has a set of books and each is 2 and1/2 inches thick how many books can be placed on the shelf?

*asked on February 17, 2010* -
## Chemistry

An unknown was prepared with the concentration of 0.0000890 M. A Beer's Law plot was prepared using the absorbance values from standard solutions of ASA and a line drawn through all the points passed through the origin with a slope of 1750.0 M–1. The

*asked on January 23, 2010* -
## Algebra 1

2y/5+5=9 Please solve this problem and show your steps, (like a t-chart.) Thank You!!! :)

*asked on October 11, 2009* -
## Algebra 2

1/x+12=3x/3x^2+36

*asked on January 22, 2009* -
## Math - Credits & finance charges

On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The

*asked on March 10, 2008* -
## algebra

divide 5/x+4 / 30/6x+24

*asked on September 8, 2007* -
## 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*

## Pages

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