Sunday

March 1, 2015

March 1, 2015

Total # Posts: 784

**art**

A conservator is working to restore a large marble statue from a Greek temple by scrubbing it with water and soap. What is a likely drawback to this preservation? A. Breaking of large sections of marble during scrubbing. B. Removing the aged look of the statue during scrubbing...
*February 24, 2015*

**Physics**

Thank you
*February 18, 2015*

**Physics**

A box slides down a 27.7° ramp with an acceleration of 1.25 m/s². The acceleration of gravity is 9.8 m/s². Determine the coefficient of kinetic friction between the box and the ramp.
*February 18, 2015*

**maths(urgent answer pls)**

1).Find the sum of the n terms of the series Sn=1^2 + 3^2 +5^2+...+(2n-1)^2 2).Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6) +.... 3) Sum to n terms,the series 1.3.5 + 2.4.6 + 3.5.7 +.
*February 15, 2015*

**MATHS(sum of series)**

Finding the sum of the first 2 terms of the series with the above formula won't get you the right answer
*February 15, 2015*

**MATHS(sum of series)**

1).Find the sum of the n terms of the series Sn=1^2 + 3^2 +5^2+...+(2n-1)^2 2).Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6) +.... 3) Sum to n terms,the series 1.3.5 + 2.4.6 + 3.5.7 +..
*February 15, 2015*

**trig**

I am currently taking a trig class. I need help understanding how to solve for sin,cos, and tan in problems which give an angle and a side length or the hypotenus. Any help would be muchly appreciated
*February 11, 2015*

**LAnguage arts**

Which sentence correctly uses a predicate pronoun as a subject complement? a. The last arrivals were Joe and I b. this year's soccer champions were lana and me c. the tribute deeply touched my brother and i d. my boyfriend became my best friend is it a?
*February 10, 2015*

**language arts**

I'm sorry I copied d wrong. It's "the weather today seems very humid today" is d still right?
*February 10, 2015*

**language arts**

is it d?
*February 10, 2015*

**language arts**

Which sentence contains a predicate adjective? a.The singers latest hit is a beautiful song b. The bus has arrived at last c. We bought four juicy apples at the farmers market d. the weather seemed nice today is it a or d?
*February 10, 2015*

**language arts**

1. Which sentence contains a predicate adjective? a. The singer's latest hit is a beautiful song b. The bus has arrived at last c. We bought four juicy apples at the farmers market d. the weather today seems very humid to me 2. which sentence correctly uses a predicate ...
*February 10, 2015*

**English**

Thanks!
*February 9, 2015*

**English**

Do you have anything?
*February 9, 2015*

**English**

No... She said to choose anything to write about. I love writing but I can never think of any good ideas. I want to have a really good paper. My problem is thinking of ideas. I wish I had a really imaginative mind.
*February 9, 2015*

**English**

I have to write a poem or a story for my English class. Do you have any ideas?
*February 9, 2015*

**stats**

If Gallup has used an sis of size n=1021 and obtained the sample proportion p= 0.52 ,you can calculate that the margin of error for 95% confidence would be
*February 9, 2015*

**stats**

Joes test score was 450(1 standard deviation below the population mean550) A good guess for Joes test score is
*February 8, 2015*

**Math**

A=2600e^0.08^t % increase each year
*January 28, 2015*

**L.A**

"Yearnings" The slab of clay before me, lifeless and lacking ambition, refuses to be molded. "Shape your dreams!" The art teacher says. "Let your hands talk to your hearts!" Nothing- Just unshaped dreams, silent hands, and hardening clay on a ...
*January 27, 2015*

**language arts**

what do you mean? they are not the same as mine
*January 27, 2015*

**language arts**

which question should you ask during your third read of multi draft reading process? 1. who is the speaker, or the voice that "says" the words of the poem? 2. How has the work expanded my ideas-or my imagination? 3. What do the word choices and imagery tell me about ...
*January 27, 2015*

**math**

what is the square root of mx and b?
*January 26, 2015*

**Algebra**

5. A piece of rope is cut into two pieces. One piece is used to form a circle and the other is used to form a square. Use a length of rope of 20 feet to write a function f representing the area of the circle as a function of the length of one side s of the square.
*January 23, 2015*

**Art**

the correct answer for that question is c
*January 22, 2015*

**Calculus**

Use a linear approximation to estimate (8.2)^(2/3)
*January 19, 2015*

**Calculus **

A student is drinking a milkshake with a straw from a cylindrical cup with a radius of 5cm. if the student is drinking at a rate of 3.5cm^3 per second, how fast is the level of a milkshake dropping?
*January 19, 2015*

**homework help**

do you know any other homework help sites that offer instant or live help?
*January 10, 2015*

**Math**

2600
*January 9, 2015*

**language arts**

Johnny struggles to overcome his pride and impatience and developed into a humble, generous man Wich type of conflict does the statement above describe? a.character vs. self b. character vs. nature c. character vs. society d. character vs. character is it a?
*January 6, 2015*

**language arts**

What is the significance of the speech James otis delivered at the last meeting of the observers? a. Many of the observers considered oits to be insane by that time b. Oits delivered an inspirational speech about the costs of war and reasons for fighting c. Otis urged the ...
*January 6, 2015*

**language arts**

choose the meaning that best matches the word "placate" in the sentence. General Gage's efforts to placate the colonists in hopes of avoiding war were not having a desired effect. A punish B please C irritate D aggravate is it b?
*January 2, 2015*

**language arts**

which of the following passages from the text suggests that johnny is becoming less self centered? (chapter 8, Johnny Tremain) 1. Johnny liked the old woman all the better that in the end she had been unable to see a consider master..humiliated, tossed about, torn by a mob 2...
*January 2, 2015*

**math**

at a sale,josh bought 4 shirts and 3 pairs of jeans for $181.at the same store,mike bought 1 shirt and 2 pairs of jeans for $94.
*December 21, 2014*

**language arts**

Which of the following passages from the novel could be used to support the idea that sam adams was a rebel intent on war with England? (Johnny Tremain) A "the first of the tea ships the yarmouth is entering the harbor. She'll be at castle island by nightfall" B...
*December 17, 2014*

**language arts**

How has the political climate of cotton changed since the beginning of the book? (Johnny Tremain, as in how has it changed from the beginning of the book to now, chapter 6) A Previously Boston considered themselves loyal British subjcts, but after parliament passed the tea act...
*December 17, 2014*

**Math**

Another question. The floor of Raj's classroom has an area of 525 feet. The room is 12 feet high. What is the volume of Raj's classroom? I had got 6300. Is this correct? I had used the formula V = B x H.
*December 16, 2014*

**Math**

Oh thank you Ms.Sue, at first I was scared because I thought it was to high.
*December 16, 2014*

**Math**

I want to check this. I had used formulas V = B x H and I x w x h to solve these What is the volume of the box that is 14 inches long, 7 inches wide and 10 inches high? I got 980. Am I right?
*December 16, 2014*

**Stupid Complicated English Grammar**

1 is the one about the wind 2 was the one about the dough 3 the yellow quilt 4idk about the rest im taking the test right now
*December 16, 2014*

**Math**

Thank you very much. I understand now. Thanks for the help!
*December 15, 2014*

**Math**

Write each of the fractions below as a division expression. Then write each fraction as a whole number or mixed number (I need help with this, because it confuses me as to how to write it as a division expression. Also sorry for no work saw.) 1. 5/4 2. 16/8 3. 14/3 4. 17/12
*December 15, 2014*

**language arts**

thank you! do you know the answer to the other question i posted?
*December 15, 2014*

**language arts**

Which of the following sentences from the novel johnny remain (chapter 5) provides evidence that Rab is having a positive effect on Johnny? A. he liked to make a handsome entrance. Even if he and Goblin had dawdled a bit on country roads, they both liked arriving at the inns ...
*December 15, 2014*

**language arts**

I'm in Jonny Tremain chapter 5 1. Which of the following is the most significant event in the plot following Jonny's accident? A. Johnny releases that Rab and his uncle are Whigs B. Rab teaches Jonny how to ride Goblin C Mrs. Lapham recruits Mr. Tweedie to replace ...
*December 15, 2014*

**Language arts**

hi brit! i have the same question? do you know the answer?
*December 12, 2014*

**6TH GRADE MATH**

Create a number line model that represents the equation below. -5 x -2 = 10 Can some help me please?
*December 11, 2014*

**Langue Art**

was it right? @i am awesome
*December 10, 2014*

**language arts**

ok thank you!
*December 10, 2014*

**language arts**

From which point of view are the sentences written from Johnny tremain? It was past dawn when he woke, his feeling of contentment still in him. He was no longer his own problem but Merchant Lyte's. Tomorrow at this time what would be calling him? 'Uncle Johnathan?'...
*December 10, 2014*

**language arts**

Thanks!
*December 10, 2014*

**language arts**

Which type of person is Merchant Lyte? A kind and generous B crass and sloppy C devious and manipulative D intelligent and hardworking Which lines from the novel best supports the answer to the previous question? A "He's sly" When merchants agreed not to import ...
*December 10, 2014*

**algebra 1**

A store’s cost for a stereo was $27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help!
*December 9, 2014*

**algebra 1**

A store’s cost for a stereo was $27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help!
*December 9, 2014*

**algebra 1**

A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide? My teacher explained how to set up the problem: 3x+5y=84 x+y=200 what I dont get is why ...
*December 4, 2014*

**Pre-calc/Trignometry**

Two boats leave at an angle of 25 pie/36 radians, one has a speed of 100km/hr and the second has a speed of 65 km/hr. How far apart are they after two hours?
*December 2, 2014*

**Astronomy**

How do astronomers know whether they are seeing planets or stars when they are distant?
*November 24, 2014*

**chemistry physics**

507Hz was the answer according to the textbook so I got it right according to that. Thanks
*November 24, 2014*

**chemistry physics**

Thanks, I used translatorscafe, has most units
*November 24, 2014*

**chemistry physics**

Had to convert 40.0 mi/h to 18m/s and 1090ft/s to 332 m/s So the answer 480*332/(332-18) =507hz Thanks for the link
*November 24, 2014*

**chemistry physics**

A car is traveling toward you at 40.0 mi/h. The car horn produces a sound at a frequency of 480 Hz. What frequency do you hear? Assume that the sound velocity in air is 1090 ft/s. Do I need to convert ft/s to m/s?
*November 24, 2014*

**Chemistry Physics**

What frequency is heard by an observer who hears the 450 Hz siren on a police car traveling at 35 m/s away from her? Assume that the velocity of sound in air is 345 m/s. Is this the correct? 450*345/(345+35) =408Hz
*November 24, 2014*

**math physics**

What frequency is heard by an observer who hears the 450 Hz siren on a police car traveling at 35 m/s away from her? Assume that the velocity of sound in air is 345 m/s. Is this the correct? 450*345/(345+35) =408Hz
*November 24, 2014*

**Math Physics**

would it be (3)(10^8/10^14)
*November 24, 2014*

**Math Physics**

What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?
*November 24, 2014*

**Chemistry Physics**

would this be the setup? 3*10^8/10^14
*November 24, 2014*

**Chemistry Physics**

What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?
*November 24, 2014*

**Chemistry Physics**

What is the wavelength of an electromagnetic wave with frequency 50.0 MHz? Am I starting this problem like this? 3.00*10^8/50*10^6 =6*10^12
*November 24, 2014*

**Math Physics**

thank you
*November 24, 2014*

**Math Physics**

What is the wavelength of an electromagnetic wave with frequency 50.0 MHz? Am I starting this problem like this? 3.00*10^8/50*10^6 =6*10^12
*November 24, 2014*

**Physics**

A plane designed for vertical takeoff has a mass of 6.4 ✕ 103 kg. Find the net work done by all forces on the plane as it accelerates upward at 8.4 m/s2 through a distance of 30.0 m after starting from rest.
*November 20, 2014*

**Physics**

A skier of mass 67.0 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 59 m up a 32° slope (assumed to be frictionless) at a constant speed of 2.0 m/s?
*November 20, 2014*

**math**

i have 50 coins in quarters and nickels. if the total value is $5.90, how many of each coin do i have ?
*November 18, 2014*

**Chemistry Physics**

yes I noticed it, but its still the right setup. thanks
*November 17, 2014*

**Chemistry Physics**

=6072btu thank you for clearing this up, really appreciate all the help.
*November 17, 2014*

**Chemistry Physics**

thanks 144 BTU/lb is the heat fusion of water and ice and the specific heat for ice is 0.51BTU/lb So would I need to set it up Q1 like this? 0.51*33.0*144
*November 17, 2014*

**Chemistry Physics**

I got it all wrong, confusing the tables But for Q1 Q1=0.51*33.0*80cal/kg (not sure how to convert to BTU)
*November 17, 2014*

**Chemistry Physics**

on q2 I mean (72-32)
*November 17, 2014*

**Chemistry Physics**

So,is this the setup to find heat? q1= 33.0 X 3.35X10^5 q2=2.26X10^6*1*(72-42)
*November 17, 2014*

**Chemistry Physics**

How many Btu of heat are required to melt 33.0 lb of ice at 32°F and to raise the temperature of the melted ice to 72°F?
*November 17, 2014*

**math**

2 bananas for 25 cent how many dose 6 cost
*November 13, 2014*

**Physics Science**

How many grams of water at 20°C are necessary to change 800g of water at 90°C to 50°C?
*November 5, 2014*

**Physics**

A 250 g piece of tin at 99°C is dropped in 100 g of water at 10°C. If the final temperature of the mixture is 20°C, what is the specific heat of the tin?
*November 5, 2014*

**Physics - Method Of Mixtures**

Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F
*November 5, 2014*

**Physics Science**

Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F
*November 5, 2014*

**Physics Math**

A flat-bottom river barge is 30.0 ft wide, 85.0 ft long, and 15.0 ft deep. (a) How many ft3 of water will it displace while the top stays 3.00 ft above the water? (b) What load in tons will the barge contain under these conditions if the empty barge weighs 160 tons in dry dock?
*October 30, 2014*

**Math Physics**

Find the water pressure at ground level to supply water to the third floor of a building 8.00 m high with a pressure of 325 kPa at the third level So the given is h=8.00 Ptop=325kPa Density water = 1000 Would I need to set it up like 325+1000*9.81*8.00
*October 28, 2014*

**Fluid Mechanics**

Find the water pressure at ground level to supply water to the third floor of a building 8.00 m high with a pressure of 325 kPa at the third level So the given is h=8.00 Ptop=325kPa Density water = 1000 Would I need to set it up like 325+1000*9.81*8.00
*October 28, 2014*

**Fluid Mechanics**

What must the water pressure be to supply the second floor (18.0 ft/up) with a pressure of 50.0 lb/in² at that level?
*October 27, 2014*

**Fluid Mechanics**

Thanks
*October 27, 2014*

**Fluid Mechanics**

(a) Find the total force on the bottom of a cylindrical gasoline storage tank 15.0 m high with radius 23.0 m. (b) Find the total force on the side of the tank.
*October 27, 2014*

**Physics Science**

(a) Find the total force on the bottom of a cylindrical gasoline storage tank 15.0 m high with radius 23.0 m. (b) Find the total force on the side of the tank.
*October 27, 2014*

**Calculus 1**

Given f(x)= 3e^(1-x^2)*ln(x), find the equation of the tangent line at x = 1.
*October 26, 2014*

**Calculus 1**

A right triangle has a fixed base of length 6 meters and a height that is increasing at a rate of 2 meters/second. At what rate is the length of the hypotenuse increasing when the height is 8 meters?
*October 26, 2014*

**math**

How long will it take a car 3m long travelling at 100km/h to overtake a truck 10m long travelling at 50km/h, if the car is 10m behind the truck
*October 15, 2014*

**College Chemistry lab**

did you manage to solve this?
*October 13, 2014*

**Math @Reiny**

Did I do #2 right? 2.) (1-2i)/2i (1-2i)/2i = (1-2)/i x i/i = (1i-2i)/i^2 = (1i+2) =2+1i
*October 8, 2014*

**Math**

1.) If a = 2 and the vertex of a parabola is (3, -4), will there be a minimum or maximum value for the parabola? What is the value? 2.) If a = 2 and the vertex of a parabola is (3, -4), what is its axis of symmetry?
*October 7, 2014*

**Physics-Intro**

(massbullet * velocitybullet)/massgun (60.0 * 575/4.50) = 7666.66666 Which rounded off becomes 76.7m/s
*October 7, 2014*

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