Thursday

October 30, 2014

October 30, 2014

Total # Posts: 73,520

**Physics**

A massless pan hangs from a spring that is suspended from the ceiling. When empty, the pan is 50 cm below the ceiling. If a 105 g clay ball is placed gently on the pan, the pan hangs 60 cm below the ceiling. Suppose the clay ball is dropped from the ceiling onto an empty pan. ...
*October 23, 2014*

**Physics**

Two massless springs (S1 and S2) are arranged such that one hangs vertically downward and the other is vertically upward, as shown in figure (a). When a 0.275-kg mass is suspended from S1, it stretches by an amount Δx1 = 0.062 m, as shown in figure (b). Spring S1 is now ...
*October 23, 2014*

**Math**

Can you also use the LCM of the denominators of the fractions to rewrite the difference 8/15-1/6? What is the difference?
*October 23, 2014*

**French**

Yes. Boy. "Une" is girl. (:
*October 23, 2014*

**French**

you know there are free translators on the internet. you could just type it into google
*October 23, 2014*

**French**

Boy?
*October 23, 2014*

**French**

If I introduce to you "un copain," is the person a boy, girl, or a teacher?
*October 23, 2014*

**English/help almost due**

Please Ms. Sue. I know that they all made their own important influence. I just don't know which impact was the largest.
*October 23, 2014*

**English/help almost due**

which writer of early romanticism—Washington Irving, James Fenimore Cooper, and William Cullen Bryant —do you think has had the greatest impact, and why
*October 23, 2014*

**Math**

A decimal number changed to 23.7 after it was rounded. Give a decimal number that is less than 23.7 and another that is greater than 23.7 that each round to 23.7. Explain to what place each number was rounded.
*October 23, 2014*

**AP Gov**

1. Which of the following is true about the Supreme Court? a. the justices have extended the right to privacy in all areas b. the justices ruled that the right to privacy includes gay and lesbian consensual relations c. the justices have overturned Miranda v. Arizona (1966) d...
*October 23, 2014*

**ap calc**

suppose that the position functions of 2 bugs B1 and B2 in motion along the same line are B1=1/2t^2-t+3 and B2=-1/4t^2+t+1 for t is greater than or equal to zero. a) prove the bugs will not collide b)how close do the bugs get to each other? I would greatly appreciate if you ...
*October 23, 2014*

**math**

A bottle of juice states that a serving is 1/2 cup. How many servings are in 2-pint container? ( Hint: One pint equals 2 cups?
*October 23, 2014*

**Math**

Vanessa has 3 yards of cotton. She needs 3/4 yard for each skirt she makes. How many skirts can she make?
*October 23, 2014*

**Language Arts HELP!**

Which of the following sentences contains a verb in the future perfect tense? A. Andy is going to walk home with Beth every afternoon. B. Andy has been walking home with Beth every afternoon. C. Andy will walk home with Beth everyday next week. D. By tomorrow, Andy will have ...
*October 23, 2014*

**Language Arts HELP!**

ok so not A D?
*October 23, 2014*

**Language Arts HELP!**

A?
*October 23, 2014*

**Language Arts HELP!**

How fo you form the perfect tense of a verb? A. Use the helping verb (will) and the base form od a verb. B. Use a form of the verb (be) and the past participle of the verb. C. Use a form of the verb (have) and the present participle of the verb. D. Use a form of the verb (have...
*October 23, 2014*

**Language Arts HELP!**

Thank you :)
*October 23, 2014*

**Language Arts HELP!**

Which of the following sentences contains a verb that is correctly formed in the perfect tense? A. Susan is spoken at our club before B. Beverly has wanted to be a singer for years C. Desmond has love swimming in the ocean D. Jake have painted in his room three times Is the ...
*October 23, 2014*

**Help?**

Explain how to use mental math to simplify the expression. 6 • 3 • 5
*October 23, 2014*

**Help**

Can you help me Ms. Sue? Please
*October 23, 2014*

**Language Arts HEL;P!**

Which of the following best describes the effect of beginning "Always to Remember" with a description of the memorial competition? A. This technique keeps the essay from being autobiography or fiction. B. This tatic gives background for the importance of Lin's ...
*October 23, 2014*

**ap calc**

two particles are moving along a linear track according to the functions x1=t^2+2t and x2=-t^2+8t+80 for t is greater than or equal to zero. a)at what value of t will the two particles be in the same place b)will they be going in the same or opposite directions at the time ...
*October 23, 2014*

**Math.**

Is equation is true, false? I'm not sure. 3(4 + –5) = 3(–6 – 2)
*October 23, 2014*

**Math Math!**

Marcus buys groceries for no more than $250.00 each week. He shops 4 times each month. How much should he budget for groceries for the month?
*October 23, 2014*

**Math problem?**

Lauren needs at most $80.00 for gas. How many twenty dollar bills does she need?
*October 23, 2014*

**math**

y – 5 = –8
*October 23, 2014*

**asap math**

Solve for y. Show all steps. y over 4≤ –16
*October 23, 2014*

**Language Arts**

Why does the author of "Always to Remember" discuss Maya Ying Lin's background? A. To show that she experienced hardships B. To appeal to Chinese-American readers C. To show its influence on her design D. To show her disintrest in architecture Is the answer C? ...
*October 23, 2014*

**MATH ASAP~**

Write an inequality for this sentence: The height h is greater than 15 feet.
*October 23, 2014*

**Math step by step?**

Solve for t. Show all steps. t over 5= 8 T= 40? I think.
*October 23, 2014*

**science**

ms. sue i need help
*October 23, 2014*

**science**

....
*October 23, 2014*

**science**

is this an example of potential energy with household item? t.v
*October 23, 2014*

**Math question?**

Solve for t. Show all steps. t over 5= 8
*October 23, 2014*

**science**

what is kinetic energy and potential energy? Can u give me an example. thank you.
*October 23, 2014*

**Math Help!**

Thank you
*October 23, 2014*

**Math Help!**

Which set represents a Pythagorean triple? A. 1,2,4 B. 2,4,6 C. 3,4,10 D. 5,12,13 Is the answer D? Thanks
*October 23, 2014*

**Math Help!**

Oh ok, thank you.
*October 23, 2014*

**Math Help!**

What is the hypotenuse of a right trianlgle if the legs are each 20 inches long? Round to the nearest whole number. A. 28 B. 29 C. 30 D. 31 Is the answer B? Thanks
*October 23, 2014*

**ap calc**

two particles are moving along a linear track according to the functions x1=t^2+2t and x2=-t^2+8t+80 for t is greater than or equal to zero. a)at what value of t will the two particles be in the same place b)will they be going in the same or opposite directions at the time ...
*October 23, 2014*

**Math Help!**

Thank you :)
*October 23, 2014*

**Math Help!**

I think I see where I went wrong is the answer B?
*October 23, 2014*

**Math Help!**

Which set represents a Pythagorean triple? A. 2,5,6 B. 6,8,10 C. 8,8,128 D. 8,10,256 Is the answer D?
*October 23, 2014*

**Math--1 question plz?**

Use the Distributive Property to multiply. (x – 9)5
*October 23, 2014*

**Math Help!**

Thanks
*October 23, 2014*

**Math Help!**

No it says 8.
*October 23, 2014*

**Math Help!**

If the lengths of the legs in a right triangle are 7 and 8, what is the approximate length of the hypotenuse? A. 1.4 B. 3.8 C. 5.4 D. 10.8 Is the answer D? Thanks
*October 23, 2014*

**ap calc**

suppose that the position functions of 2 bugs B1 and B2 in motion along the same line are B1=1/2t^2-t+3 and B2=-1/4t^2+t+1 for t is greater than or equal to zero. a) prove the bugs will not collide b)how close do the bugs get to each other? I would greatly appreciate if you ...
*October 23, 2014*

**ap calc**

I have solved the problem but am not sure it it is right. I would appreciate if you would check to see if my answer is right. The height of the ball thrown upwards from the top of a 20 foot hill is given by h(t)= -16t^2+90t+20 ft (where t is measured in seconds). how high ...
*October 23, 2014*

**French**

I don't know. That's why I'm asking. It is actually not a homework question if you are thinking in that direction.
*October 23, 2014*

**French**

*X is something we can put in there, such as bread or table.
*October 23, 2014*

**French**

How do you respond to "Comment dit-on X en francais?"
*October 23, 2014*

**Math Help!**

45 So is the answer D?
*October 23, 2014*

**Math Help!**

2025
*October 23, 2014*

**Math Help!**

C?
*October 23, 2014*

**Math Help!**

Which set of numbers represents a pythagorean triple? A. 6,9,12 B. 7,10,12 C. 16,18,25 D. 27,36,45 Is the answer A?
*October 23, 2014*

**science**

Ralph has the same mass of 72.6 kg, and his maximum velocity is still 7.3 m/s on the swing. What is the maximum height that Ralph reaches on his swing?
*October 23, 2014*

**science**

Ralph is also swinging at the park. He has a mass of 72.6 kg, and his maximum velocity at the lowest point in his swing is 7.3 m/s. What is Ralph’s maximum kinetic energy?
*October 23, 2014*

**physics**

A brick is thrown upward from the top of a building at an angle of 33.5◦ above the hori- zontal and with an initial speed of 12.8 m/s. The acceleration of gravity is 9.8 m/s2 . If the brick is in ﬂight for 3.4 s, how tall is the building?
*October 23, 2014*

**Math**

Can't get it in my head the following problem. Carol needs 10 panels each being 11feet tall. At $13.75 a yard. How much will it cost to purchase supplies?
*October 23, 2014*

**accounting**

Blanche invested $9800 in a savings account with a yearly interest rate of 2% for 15 years. How much simple interest did she earn?
*October 23, 2014*

**Algebra**

(7x^3 + 2x - 1) + (8x^2 - 6 + 2x - x^3) = 6x^3 + 8x^2 + 4x - 7 (-3x^4 + x^6 - 9x^5 + 2x^2 - 7) - (-2x^5 + x - 4x^2 - x^4 + 12) = x^6 - 7x^5 - 2x^4 + 6x^2 - x - 19
*October 23, 2014*

**physics**

astronauts on a distant planet set up a pendulum length 1.2m. the pendulum executes simple harmonic motion and makes complete vibrations in 280s. what is the magnitude of the acceleration due to gravity of this planet?
*October 23, 2014*

**physics**

in preparation in shooting a pinball machine, a spring(k = 675N/m) is compressed by 0.0650m relative to its unstrained lenght.the ball(m = 0.0585kg) is at rest against the spring at point A. when the spring is released ,the ball
*October 23, 2014*

**physics**

in preparation for shooting a pinball machine,a spring (k=675n/m) is compressed
*October 23, 2014*

**physics**

an object is attached to the lower end of a 100-coil spring hanging from the ceiling.the spring stretches by 0.160m. the spring is then cut into two identical springs of 50 coils each. as the drawing shows, each spring is attached between the cieling and the object by how much...
*October 23, 2014*

**physics**

a spring lies on a horizontal table, and the left end of the spring is attached to the wall. the other is connected to a box. the box is pulled to the right, stretching the spring static friction exists between the table and the box
*October 23, 2014*

**physics**

the mass of the truckand its contents is 7460kg. find the magnitude of the forces exerted by the ground a) the front wheels b)the rearwheels of the truck.
*October 23, 2014*

**physics**

suppose a soccer player boots the ball from a distance 35 m into the goal. find the initial speed of the ball if it just passes over the goal, 2.4 m above the ground, given the initial direction to be 40° above the horizontal
*October 23, 2014*

**math**

He forgot the biggest number he can make is 777 and he forgot to say there is 444 small numer
*October 23, 2014*

**physics**

a floor polisher has a rotating disk that has a 15cm radius the disk rotates at a constant angular velocity of 1.4rev/s and is covered with a soft material that does the polishing. An operator holds the polisher in place for 45s, in order to beff an especially scuffed area of ...
*October 22, 2014*

**physics**

the magnitude of a pilot is w. the plane is travelling at 230m/s on a vertical circle of radius 690m. determine the ratio Fn/w. for comparison,note that black out can occur for values fn/w as small as 2 if the pilot is not wearing an anti-G suit
*October 22, 2014*

**physics**

workdone is done against bullet by block,Fd which equals its kinetic energy of bullet to stop it F*0.15=1/2*0.012*425^2 F=1083.75/0.15=7225N
*October 22, 2014*

**physics**

a penny is placed at the outer edge of a disk(radius =0.150m) that rotates about its axis perpendicular to the plane of the disk at its center. the period of rotation is 1.80s. find the minimum coefficient friction necessary to allow the penny to rotate along with the disk
*October 22, 2014*

**algebra, factoring**

Solve. x3 + 0.9x2 − 0.9x = 0
*October 22, 2014*

**math**

The length of the base and the height of a triangle are numerically equal. Their sum is 16 less than the number of units in the area of the triangle. Find the area of the triangle.
*October 22, 2014*

**algebra**

If 3 times the square of an integer is added to 1 times the integer, the result is 2. Find the integer.
*October 22, 2014*

**algebra**

If 3 times the square of an integer is added to 1 times the integer, the result is 2. Find the integers.
*October 22, 2014*

**Chemistry**

Potassium manganate 7
*October 22, 2014*

**science**

suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where us dined on cactus flowers ti ab adjacent island with many fewer cacti but an overabundance of orchids. what would be the immediate consequences to the species in ...
*October 22, 2014*

**physics**

a pendilum consists ofa small object hanging from the ceiling at the end of the string of negligible mass. the string has length of 0.7m. with the string hanging vertically,the object is given an initial velocity of 2.0m/s parallel to the ground and swings upwards on a ...
*October 22, 2014*

**math**

9/12
*October 22, 2014*

**math**

6/12+ 1/3 find each sum
*October 22, 2014*

**math**

find each sum 4/8 + 1/2
*October 22, 2014*

**math**

gracie read 150 pages of a book. the book is 227 pages long which equation shows the amount she still needs to read to finish a story
*October 22, 2014*

**science**

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A) if the coefficient of ...
*October 22, 2014*

**math**

paul dad made a turkey potpie for dinner on wednesday. the family ate 4/8 of the pie. on Thursday after school paul ate 2/16 of the pie for a snack. what fraction of the pie remained.
*October 22, 2014*

**physics**

A 21.2-kg box rests on a frictionless ramp with a 14.3° slope. The mover pulls on a rope attached to the box to pull it up the incline. If the rope makes an angle of 41.2° with the horizontal, what is the smallest force F the mover will have to exert to move the box up...
*October 22, 2014*

**math**

the pet shop owner told jean to fill her new fish tank 3/4 full with water. jean filled it 9/12 full. what fraction of the tank does jean still need to fill.
*October 22, 2014*

**English**

What transition is suitable to be placed before the word or?
*October 22, 2014*

**please help physics!!**

I have the answers but i dont know if i am right A) 2.4
*October 22, 2014*

**please help physics!!**

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A) if the coefficient of ...
*October 22, 2014*

**math**

Item Questions A store’s average monthly revenue for the first three months of the year was $12,000. The average monthly revenue for the entire year was $18,000. What was the average monthly revenue for the last nine months?
*October 22, 2014*

**math**

how do you rename 2/5 so you can add it to 11/25 what us the sum
*October 22, 2014*

**Calc**

find absolute max and min of f(x)=cosx+sin^2(x) on interval [0,2pi]. Give exact answers, not decimal approx. (Use closed interval method)
*October 22, 2014*

**math**

what is the combined height of 3 nickels 2 nickels and 1 nickel
*October 22, 2014*

**math**

Jeremy collected nickels for one week. he is making stacks of his nickels to determine how many he has. the thickness of one nickel is 1/16 inch. how tall is a stack of 16 nickels
*October 22, 2014*

**math**

find each sum 1/2 + 2/5
*October 22, 2014*

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