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March 25, 2017

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Total # Posts: 336

MATH
Is it 7.5, 15, 0.75, or 1.5
March 7, 2017

MATH
what is the diameter of a circle with a circumfrence of 47.1
March 7, 2017

Chemistry
I found out it's MoF3
March 4, 2017

Chemistry
A metal, M, of atomic weight 96 u reacts with fluorine to form a salt that can be represented as MFx. In order to determine x and therefore the formula of the salt, a boiling point elevation experiment is performed. A 10.9 g sample of the salt is dissolved in 100.0 g of water...
March 4, 2017

Algebra 1
The area of a rectangular pool is given by the trinomial 2y^2+5y-42 . What are the possible dimensions of the pool? Use factoring. a. 2y+7 and y-6*** b. 2y-2 and y+6 c. -2y-7 and -y-6 d. 2y-7 and y+6 tbh im guessing. i have no clue. can someone help explain?
February 28, 2017

Math
complete the equation. -6x^2+15x-6=-(2x-1)(x+__) a. 2 b. -2 c. -3 d. 6 I'm really lost and i dont understand how to solve this problem. any help would be appreciated.
February 24, 2017

math
One wet weekend, 0.86 inches of rain fell on Saturday. The next day, 1.52 inches of rain fell. How many inches of rain fell over the weekend? i need help I've been stuck on this for 30 minutes
February 17, 2017

math
you were correct
February 17, 2017

math
thanks ms.sue
February 17, 2017

math
its like 2 hours and 5 minutes before but i don't know the time
February 17, 2017

math
Vivian is going to do some yard work, but she needs to leave her house at 2:00 to go to a football game. She is going to mow the lawn for 1 hour and 15 minutes, trim some bushes for 40 minutes, and put down some mulch for 25 minutes. She will also need 30 minutes to shower ...
February 17, 2017

math
Valerie tells Robbie, "I'm thinking of a number between 1 and 50. If I divide the number by 4, then add 5, then subtract 6, I get 6. i tried 12,24,36,48,42 its non of those
February 17, 2017

Social Studies
Thank You!
February 17, 2017

Social Studies
Do you have a link were i can read more into this major event?
February 17, 2017

Social Studies
Thank you Ms.Sue.
February 17, 2017

Social Studies
I have 4 major events for my portfolio i just need one more could you help me? I already have World War II, Communist Revolution, Climate change, and Cold War. I need one more major event that happened in China.
February 17, 2017

social studies
w Anyone know the answers to From the constitution to the civil war unit test??
February 17, 2017

Chemistry
The heat of combustion of liquid hexane (C6H14) to carbon dioxide and liquid water at 298 K is -4215 kJmol?1 . Find ?rU of the reaction.
February 10, 2017

physics
. If planet Elijah has a mass of 6.0 x 106 kg and a radius of 4.0 x 104 km. What would be the force on the surface of the planet? (let the second mass equal 1 kg)
February 8, 2017

PE
100 percent!!!!!!
January 18, 2017

PE
Thank You unknnown!
January 18, 2017

PLEASE HELP BEEN STUCK ALL DAY CALCULUS
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer.
January 11, 2017

Calculus Please Help
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer. my answer 30.16
January 11, 2017

Calculus Please Help
evaluate the table and find d/dx [g[f(2x)]] at x=1 f(x) 6,1,6,2 f'(x) 1,2,5,7 g(x) 1,4,4,3 g'(x) 4,5,5,-4
January 11, 2017

Calculus
Find the x-coordinates where f '(x) = 0 for f(x) = 2x + sin(2x) in the interval [0, 2?]. MY ANSWERS: x = ?/2 x = 3?/2
January 11, 2017

Calculus
Thank you
January 11, 2017

Calculus
a 160-inch strip of metal 20 inches wide is to be made into a small open trough by bending up two sides on the long side , at right angles to the base. the sides will be the same height , x. if the tgrough is to have a maximum volume, how many inches should be turned up on ...
January 11, 2017

Calculus
my answer would then be 30.16
January 11, 2017

Calculus
is this the correct method though?
January 11, 2017

Calculus
The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer. V = ?r²h = 16?r² dV/dr = 32?r dV = 16?r dr Let...
January 11, 2017

Calculus
The end behavior of f(x)=(2+x^2)/(x^2-36) most closely matches which of the following: y=1 y=-18 y=2 y=0 I still don't get this based on steve's answer will someone please help?
January 11, 2017

Calculus
if f(x)= |(x^2-9)(x^2+1)| how many numbers in the interval [-1,1] satisfy the mean value theorem? None 1 2 3 Will someone please explain in detail?
January 11, 2017

Calculus
A particle moves along the x-axis with position function s(t) = e^cos(x). How many times in the interval [0, 2?] is the velocity equal to 0? 1< My answer 2 3 More than 3 I don't really get this question will someone please explain it to me?
January 11, 2017

Calculus
so the answer is 2?
January 11, 2017

Calculus
The end behavior of f(x)=(2+x^2)/(x^2-36) most closely matches which of the following: y=1 y=-18 y=2 y=0
January 11, 2017

Calculus
CORRECTION: THE SECOND OPTION IS NOT Y=-1 it is Y=-18
January 11, 2017

Calculus
The end behavior of f(x)=(2+x^2)/(x^2-36) most closely matches which of the following: y=1 y=-1 y=2 y=0 There is no leading coefficient so I am not sure what the answer is.
January 11, 2017

Algebra
Write the ratio 16:24 in simplest form 1:2 4:3 3:4** 2:3 @Mrs.Sue can you please check my answer
December 7, 2016

Technology
idk sorry
November 28, 2016

Chemistry
What is the solute-solvent interaction between silver nitrate in water?
November 11, 2016

math 2
Prove that (cos40-sin30)/(sin30-cos50)=tan50
November 3, 2016

Chem 3
A 2.00 kg piece of granite with a specific heat of 0.803 J/g·°C and a temperature of 95.0°C is placed into 2.00 L of water at 22.0°C. When the granite and water come to the same temperature, what will that temperature be?
November 2, 2016

Chem 2
Using values from Appendix C in your textbook, calculate the value of ?H° for the reaction 4 NH3(g) + 5 O2(g) ? 4 NO(g) + 6 H2O(g)
November 2, 2016

Chemistry 1
Calculate q when 22.0 g of water is heated from 25.0°C to 100.0°C.
November 2, 2016

Chemistry
100 g piece of granite and a 100 g piece of lead are placed in an oven that is at 100°C. The initial temperature of the pieces are 25°C. After a couple of minutes, neither one is at 100°C, but which one is warmer? Which one will reach 100°C first? How much ...
November 2, 2016

Social Studies
Thanks No one
October 27, 2016

math
algebra sorry i posted again 3) -(2x + 7) what i don't get is that what to do with 7 because it has no variable...
October 18, 2016

math
please ans
October 18, 2016

math
Algebra 1) 11x + 2y - 4x - y 2) 9x + 2y -5x what i did in no. 2 is subtract 9 and 5 then add 2... please correct mw if i am wrong
October 18, 2016

math
thanks........don't take tension saare nhi chahiye
October 13, 2016

math
divide 340 mangoes in 4 parts a,b,c,d in the raatio 5:1:2:1
October 13, 2016

History
How to do any kind of homework?
October 13, 2016

Science (grade 7)
please answer.....
October 6, 2016

Science (grade 7)
our topic is cell -it is the main component of the plant cell wall
October 6, 2016

history
( ) around my answer. If nothing is there then i don't know What is one important achievement of the Incas? A. a written language B. a system of democratic government C. a system of roads and bridges D. an accurate calendar What is one way in which the Incas increased ...
September 21, 2016

SCIENCE
Why does one feel difficult to breathe in a deep well while cleaning it?
August 20, 2016

COMPUTER
FUNCTION PROCEDURE TO INPUT A STRING AND CHECK WHETHER IT IS PALINDROME OUT NOT.
August 18, 2016

Social Studies (Check Answers)
It seems that these are not in order .. could comeone read all the answers the way it is organized?
August 17, 2016

physics
oh ok thanks
June 9, 2016

physics
so to get the answer I do the inverse sine of d?
June 9, 2016

physics
Both threads are now lengthened such that L=1.00m, while the charges q1 and q2 remain unchanged. What new angle will each thread make with the vertical? Hint: you must solve for the angle numerically
June 9, 2016

physics
The two small spheres each with mass m= 25g are hung by silk threads length L=.65m from a common point. When the spheres are given positive charge such that q1=2q2, each thread hangs stationary at theta=15 degrees from the vertical. Using Newton's first law and coulomb'...
June 9, 2016

Social Studies
Never mind I already got it
May 26, 2016

Social Studies
Mrs Sue can you help me or someone else please?!
May 26, 2016

Social Studies
Compare and contrast the economies of Chile and Venezuela. I really need some help on this can someone name the similarities and differences pleace?
May 26, 2016

science
Maybe B but what is your answer?
May 26, 2016

Scocial Studies
Ok thank you sooooo much you are the best!
May 26, 2016

Scocial Studies
Mrs Sue can you help me or anyone?
May 26, 2016

Scocial Studies
Can someone please check my answer?
May 26, 2016

Scocial Studies
most brazilians are descendants of which combination of ancestors? A.Mayan,mexican, and mestizo B.Native American, african and european...(my answer B) C.portuguese, spanish, and incan D.spanish, ladino
May 26, 2016

LA
the novel dragonwings
May 20, 2016

Physics
Key is precious so answer John's question (Ronald won't help you). I need answer too :P
May 11, 2016

Science
julia is right
April 25, 2016

Physics
Tarzan, whose mass is 76 kg, travelling at 9.5m/s, grabs from the bottom of a 1.5 m long vine and swings upward. a) Calculate the maximum height of Tarzan. b) Calculate the angle at which the vine makes with the vertical at his maximum height.
April 25, 2016

algebra
Which of the following expressions is true? a. 4^3 * 4^5 < 4^12 b. 5^2 * 5^3 > 5^5 c. 3^2 * 3^4 = 3^2***** d. 5^2 * 5^4= 5^8 Which of the following expressions is true? a. 2^4 * 2^4 >2^7***** b. 3^2 * 3^6= 3^7 c. 4^3 * 4^5< 4^8 d 5^2 * 5^3 = 5^6 Please Help!
April 13, 2016

Math
Find the surface area of the prism 5m 9m 12m 1.426m 2.306m<< 3.336m 4.213m Is this correct??
April 7, 2016

Math
U already got it be4, its -35
April 3, 2016

Math
It's Wrong
April 3, 2016

Social Studies
are you sure trust me
March 29, 2016

Science HELP!!!!
noooooo number 4 is c not b
March 10, 2016

English
a. anxiety about growing up i think because it states too much has happened and wanting to do nothing which worring to much about the future what will happen along the way
January 27, 2016

Art
Depending on which school you're in
January 21, 2016

Physics
On Planet X, an astronaut has maximum walking speed of 1.9 m/s. The astronaut's legs are each 1.3 m long. What is the constant of acceleration due to gravity on Planet X?
January 8, 2016

S.s
Wow.
December 17, 2015

language arts PLS HALP
yes
December 15, 2015

language arts HELP PLZ
DOES ANYBODY KNOW WHAT 5 IS!!!!!!!!!!!!!!!
October 28, 2015

Ed Tech. PLZ HELP ASAP
I'm looking for the answer to number 5 and I really don't want to get it wrong soooooooo HEEEELLLLPPPP oh yeah and 2 is wrong its file
October 27, 2015

Ed Tech. PLZ HELP ASAP
I'm looking for the answer to number 5 and I really don't want to get it wrong soooooooo HEEEELLLLPPPP
October 27, 2015

algebra
1. write an algebraic expression for the word phrase: the quotient of r and 12 a.r * 12 b.r/12**** c.r-12 2. write a word phrase for the algebraic expression: 2t - 9 a.nine fewer than two times a number t***** b.nine fewer than two times a number t c.nine fewer than a number t...
August 23, 2015

health
?
August 18, 2015

English
Yes, you are correct. "e-mail" only exist in "small" category. Postcard appears in "medium 2" category. Check category "small", we can shoot more images with smaller number of pixels.
August 17, 2015

Reading
number 31 is D. I got the chart.
August 15, 2015

SOCIAL STUDIES
okay thank you
June 4, 2015

SOCIAL STUDIES
****= answer plz check my answers
June 4, 2015

SOCIAL STUDIES
1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll tax d. a law ...
June 4, 2015

DragonWings LA
Classified is correct
May 26, 2015

Language arts
Owen is right for The Giver
May 18, 2015

Civics
Ms. Sue please help In what way do mixed and market economies support the ideals of democracy
May 8, 2015

Math
I laughed so hard seeing all of this lol....Amy is correct dirtbags
April 24, 2015

math
lance made 10 dozen cookies. He made 25 percent chocolate chip, 25 percent peanut butter, and the remaining 50 percent oatmeal raisin. How many of each type of cookie did he make?
April 20, 2015

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