Saturday

October 25, 2014

October 25, 2014

Total # Posts: 1,133

**Physics**

A student, crazed by final exams, uses a force P of magnitude 80 N to push a 4.0 kg block across the ceiling of his room. If the coefficient of kinetic friction between the block and the ceiling's surface is 0.42, what is the magnitude of the block's acceleration?
*November 2, 2010*

**math**

what is the answer to 2/7+3/4=
*November 1, 2010*

**tt**

ms. sue can you help me on my math problem and thank u
*November 1, 2010*

**tt**

why?
*November 1, 2010*

**math**

thx
*November 1, 2010*

**math**

is that it in simplest form
*November 1, 2010*

**math**

ok thank u
*November 1, 2010*

**math**

HELPPPPPP ms.sue u helped my fried nikki she recommened this cite to me
*November 1, 2010*

**math**

5/9-1/12
*November 1, 2010*

**spanish**

¡Gracias! I wasn't sure if it was singular or plural.
*November 1, 2010*

**spanish**

¿Qué _____ a Uds.? a. le falta b. les falta c. le faltan d. nos falta A?
*November 1, 2010*

**spanish**

Thanks!
*October 29, 2010*

**spanish**

Van a dar las noticias a las doce en el canal dos. Vamos _____. a. a verlas b. ver c. a ver d. las ver A?
*October 29, 2010*

**spanish**

Thank you, to both of you!
*October 29, 2010*

**spanish**

"¿Puedes sacar libros de la biblioteca?" "Sí, puedo _____ porque tengo tarjeta de biblioteca." a. las sacar b. a sacarlos c. sacarlos d. sacar B?
*October 29, 2010*

**spanish**

Thank you, but this is puzzling to me.
*October 28, 2010*

**spanish**

"¿Qué hora es?" "Son las once _____." a. por el día b. de la tarde c. de la noche d. en media hora C?
*October 28, 2010*

**spanish**

Thank you!
*October 28, 2010*

**spanish**

"¿A quién vieron Uds. en el cine?" "____ a la familia García." a. Vemos b. Vimos c. Vamos d. Yo vi B?
*October 28, 2010*

**spanish**

Thank you! I hope I can remember this for other problems.
*October 27, 2010*

**spanish**

Yo ____ está mejor o peor. a. no sé b. no sé si c. sé d. no lo sabía A?
*October 27, 2010*

**spanish**

Thank you!
*October 27, 2010*

**spanish**

El museo está ____ teatro. a. a la derecha del b. al lado de c. detrás de d. a la izquierda de la A?
*October 27, 2010*

**science**

you have a liquid with a volume of 13mL and a mass of 19.5g.what is the density of the liquid?
*October 25, 2010*

**world history ap**

describe the spread of sedentary agriculture outside the older civilized areas
*October 20, 2010*

**Mathmetics got the answer just need steps!**

Steeeeepz for 9 8\15 Plus 11 5\12
*October 17, 2010*

**spanish**

Thank you!
*October 9, 2010*

**spanish**

How does this sound? 8 de octubre ¡Hola, Marcia! Mi madre en casa de mis abuelos. No vamos al cine. Yo tengo que pasar la aspiradora y mis hermonos tienen que lavar los platos. Mi dormitorio es desordenada. Hago la cama y arreglo el cuarto. Yo tengo que sacudir los ...
*October 9, 2010*

**Math**

Jason walked 9/10 of a mile. Justin walked 5 3/10 of a mile. What is the difference?
*October 7, 2010*

**spanish**

That was all the conversation there was. I think I'll go with D.¡Gracias! You are always helpful!
*October 5, 2010*

**spanish**

"Para las vacaciones, sólo pienso ver la tele." "Pero,_____" a. ¿hace mucho tiempo que ves la tele? b. ¿la puedes ver los miércoles? c. no podemos ir de vacaciones d. ¿no te van a doler mucho los ojos? Is the person ...
*October 5, 2010*

**statistics**

suppose you believe that in general, graduates who have majored in your subject are offered higher salaries upon graduating than are graduates of other programs. describe a statistical experiment that could help test your belief. my problem with this question is what data to ...
*October 4, 2010*

**spanish**

¡Gracias!
*October 4, 2010*

**spanish**

"¿____ nadas en el mar?" "Hace dos meses." a. Cuánto tiempo hace b. Cuánto tiempo hace que c. Hace un mes d. A qué hora B?
*October 4, 2010*

**spanish**

Thank you!
*October 4, 2010*

**spanish**

"Alberto prefiere sacudir los muebles." "Creo que no. Prefiere pasar la aspiradora." "Creo que Uds._____." a. tiene razón b. están de acuerdo c. no están de acuerdo d. no tiene razón C?
*October 4, 2010*

**spanish**

Thank you!
*October 4, 2010*

**spanish**

"Margarita e Inés, ¿quién es____profesora de matemáticas?" "La señorita Hernández es nuestra profesora." a.su b.tu c.mi d.nuestro B?
*October 4, 2010*

**spanish**

Thanks so much!
*October 4, 2010*

**spanish**

"Qué____Uds. hoy?" "Mi hermano y yo vamos a arreglar la casa porque pensamos tener una fiesta este fin de semana." a.hacemos b.haces c.hacen d.hacer C?
*October 4, 2010*

**algabra 2**

One side of a triangle is 4 cm longer than the shortest side and 2 cm shorter than the longest side. The perimeter is 38 cm. Find the dimensions of the triangle.
*October 3, 2010*

**math**

a. Find the monthly payments for a simple interest amortized loan of $16000 at 7 1/8 % for 7 years. monthly payment = $ b. Find the total interest for a simple interest amortized loan of $16000 at 7 1/8 % for 7 years. total interest = $
*September 27, 2010*

**Physics**

A helicopter is lifting off from the ground and is moving vertically upward. The graph shows its vertical velocity vy versus time. How high is the helicopter after 7 s have elapsed?
*September 26, 2010*

**Physics**

At time t = 0, a hockey puck is sent sliding in the +x direction over a frozen lake, directly into a strong wind. Figure 2-13 gives the velocity v of the puck versus time, as the puck moves along a single axis. (The time axis is marked in increments of 1.0 s.) At t = 10. s, ...
*September 26, 2010*

**Physics**

At time t = 0, a hockey puck is sent sliding in the +x direction over a frozen lake, directly into a strong wind. Figure 2-13 gives the velocity v of the puck versus time, as the puck moves along a single axis. (The time axis is marked in increments of 1.0 s.) At t = 10. s, ...
*September 26, 2010*

**algebra 1**

What is the y-intercept of the graph of y=2^x+2? (0,4)?
*September 24, 2010*

**algebra 1**

Thanks
*September 23, 2010*

**algebra 1**

Is the answer no solution?
*September 23, 2010*

**algebra 1**

Use the Quadratic Formula to solve the equation: 5x^2 - 6x - 8=0 -.51,1.71?
*September 23, 2010*

**algebra 1**

Thank you!
*September 23, 2010*

**algebra 1**

Use the Quadratic Formula to solve the equation: 5x^2 + 9x - 2=0 -2,1/5?
*September 23, 2010*

**algebra 1**

Thanks again!
*September 22, 2010*

**algebra 1**

What is the area of a square with the dimension 1+square root of 3? a.4 b.4+2square root of 3 c.3square root of 3 d.5 B?
*September 22, 2010*

**algebra 1**

Thanks!
*September 22, 2010*

**algebra 1**

Factor the expression: x^2 - x - 42 (x-7)*(x+6)?
*September 22, 2010*

**algebra 1**

Thank you!
*September 22, 2010*

**algebra 1**

Factor the expression: 4n^3 + 8n^2 - 5n - 10 (n+2)(4n^2 - 5)?
*September 22, 2010*

**science**

i got 1.1e54 for the mass of protons required but it said it was wrong
*September 21, 2010*

**science**

What mass of protons would be required to just neutralize the charge of 1.7 g of electrons? I thought it was simple because 1 proton maxes out 1 electron but my teacher started talking abou this complicated way of doing it and i didn't get it :( can someone show me how to ...
*September 21, 2010*

** english**

Well many teachers have different rubrics for how they want their students to do the book report. usualy a book report contains: The Standard Format Introductory Paragraph This paragraph should include the title of the book and name of the author. It will also describe the ...
*September 21, 2010*

**algebra 1**

Thanks, again!
*September 21, 2010*

**algebra 1**

When studying probability, a method used for counting the number of possible outcomes is a ______. a.tree diagram b.dependent event c.relative frequency d.simulation A?
*September 21, 2010*

**algebra 1**

Thank you!
*September 21, 2010*

**algebra 1**

Which statistical method best represents this set of data? 1,2,5,2,3,7,300,5,3,3 a.mean b.median c.mode d.standard deviation I'm pretty sure it's B or C, but they are both the same number.
*September 21, 2010*

**math**

(0.80)+(0.03)=0.83
*September 13, 2010*

**English**

After I rewrite it please comment on it. Thanks for your help. 1)He liked shooting things, hammering things, smashing things and wrestling with his father. 2)Thirsty for knowledge, Joy leapt in his fathers heart for his son who was quick to learn. 3) In the gathering shadows, ...
*September 8, 2010*

**English**

How can I rewrite this? Please. He liked shooting things. (A). and wrestling with his father. (B) hammering things, smashing things. Joy leapt in his fathers heart for his son. (A) thirsty for knowledge (B) Who was quick to learn. They stood. (A) In the gathering shadows (B) ...
*September 8, 2010*

**algebra 1**

Thanks!
*August 30, 2010*

**algebra 1**

P.S. There aren't any brackets.
*August 30, 2010*

**algebra 1**

The y itself has a square root around it. 5+ square root of 2 is divided by 2.
*August 30, 2010*

**algebra 1**

This problem has a fraction in it. Solve: square root of y =(numerator) 5+square root of 2. (Denominator)2 25.5+5square root of 2?
*August 30, 2010*

**algebra 1**

Thank you.
*August 30, 2010*

**algebra 1**

Money in a bank account that compounds interest by some percentage acts______. a. linearly b. exponentially c. negatively d. like a fraction B?
*August 30, 2010*

**Math**

if you are talking about an object, use the water displacement method.
*August 30, 2010*

**math**

" A total of $32000 is invested in two municipal bonds that pay 5.75% and 6.25% simiple interest. The investor wants an annual interest income of $1900 from the investments. What amount should be invested in the 5.75% bond?"
*August 29, 2010*

**algebra 1**

Thank you!
*August 28, 2010*

**algebra 1**

This has a fraction in it. Simplify: numerator is 5 square root of 4 times square root of 8. Denominator is square root of 8 times square root of 2. 5 square root of 2?
*August 28, 2010*

**algebra 1 again**

Thank you for the help!:)
*August 28, 2010*

**algebra 1 again**

Square root of 4 is 2. 2 times 3 is 6. So 6 is the answer?
*August 28, 2010*

**algebra 1 again**

Simplify: 2 square root of 4 + square root of 4. 3 square root of 4?
*August 28, 2010*

**algebra 1**

Thank you again!
*August 28, 2010*

**algebra 1**

Simplify:2 square root of 4 + 2 square root of 8? 4+4 square root of 2?
*August 28, 2010*

**algebra 1**

Thank you!
*August 28, 2010*

**algebra 1**

What is the area of a square with the dimension of 1+square root of 2? I'm thinking 3+2*square root of 2? *=times
*August 28, 2010*

**chemistry (acid-ionization constant)**

A 0.942 M sample of carbonic acid, H2CO3, has a measured hydronium ion concentration of 6.36 ´ 10–4 M. Calculate the acid-ionization constant of carbonic acid. The equilibrium equation is: H2CO3(aq) + H2O(l) <--><--> H3O+(aq) + HCO-3(aq)
*August 9, 2010*

**chemistry**

what is an ICE chart?
*August 9, 2010*

**chemistry**

A 0.942 M sample of carbonic acid, H2CO3, has a measured hydronium ion concentration of 6.36 ´ 10–4 M. Calculate the acid-ionization constant of carbonic acid. The equilibrium equation is: H2CO3(aq) + H2O(l) <--><--> H3O+(aq) + HCO-3(aq)
*August 9, 2010*

**chemistry**

For a system in which DHvap > TDSvap, what state is favored?
*August 6, 2010*

**chemistry**

Determine the entropy change for the following displacement reaction. Cl2(g) + PbBr2(aq) → PbCl2(aq) + Br2(l). DS: (J/K mol) Cl2(g) 223.066; PbBr2(aq) 182.7; PbCl2(aq) 131.3; Br2(l) 152.231
*August 6, 2010*

**algebra 1**

Thanks! My calculator doesn't have that button, so the Google calculator will come in handy!
*July 30, 2010*

**algebra 1**

A=1020(1-0.195)exponent of 20 How do you figure out exponents that are high numbers?
*July 30, 2010*

**chem**

how did you get the 5.55 x 10^-3 ?
*July 24, 2010*

**algebra 1 **

Thank you! You were a lot of help!
*July 24, 2010*

**algebra 1 **

Use elimination to solve the the system of equations given by 10x-4y=-20 and 10x-5y=35. I can't figure this one out. Whenever I check my work, it is incorrect.
*July 24, 2010*

**algebra 1**

Thank you!
*July 24, 2010*

**algebra 1**

What point is a solution to the system of inequalities y(inequality arrow pointing right)4x and y(inequality arrow pointing right)-2x-3? -1/2,-2?
*July 24, 2010*

**English**

Thanks!
*July 12, 2010*

**English**

Hi, could you please tell me if these 2 sentences are correc. Each of the twins has a doll in their room. 2. The couple have gone on vacation. Also, when you have neither....nor, you use has don't you? Example Neither Helen nor Sarah has finished their homework.
*July 12, 2010*

**Algebra**

Salisbury High School decided to take their students on a field trip to a theme park. A total of 150 people went on the trip. Adults pay $45.00 for a ticket and students pay $28.50 for a ticket. How many students and how many adults went to the park if they paid a total of $4770
*July 6, 2010*

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