Sunday
August 30, 2015

Posts by Bethany


Total # Posts: 216

social studies
thank u! :)
January 21, 2013

social studies
In what ways are a KNights code of chivalry similar to an oath of allegience?
January 21, 2013

Math
A 100m wire weighs 1.75kg. How wide is the wire?
January 12, 2013

science
What is the acceleration of a 66 kg block of cement when pulled sideways with a net force of 597 N? Answer in units of m/s 2.
December 16, 2012

Physics
The change in L = (Initial L)x(Force)/E/Area. The change in L also = (Alpha)x(Initial L)x(Change in Temperature) So, (Alpha)x(Change in Temperature)x(E) = Force/Area So, (25x10^-6)x(23)x(70x10^9) = 4.0x10^7 N/m^2
November 14, 2012

Math
But if some students enjoy than one sport how does that go to do with anything? Can you please help me I really need help?
October 20, 2012

Math
The following chart shows the fraction of students who enjoy baseball, basketball, football, soccer, and swimming in the 7th grade. Baseball - 2/3 Basketball- 4/5 Football- 3/10 Soccer-5/6 Swimming-1/8 What fraction of students enjoys basketball and soccer?
October 20, 2012

physics
A ball with a mass of 4·kg is moving in a vertical circle at the end of a 0.9·m long rope. When the ball is at the top of the circle, it is going 7·m/s. What is the tension in the rope? (Again...don't need the answer...just the formula on how to find ...
July 24, 2012

physics
A 1100·kg elevator is attached to a cable whose tension is 11100·N. What is the magnitude of the elevator's acceleration?
July 24, 2012

physics
A ball with a mass of 4·kg is moving in a vertical circle at the end of a 0.9·m long rope. When the ball is at the top of the circle, it is going 7·m/s. What is the tension in the rope? (Again...don't need the answer...just the formula on how to find ...
July 24, 2012

College Physics
A ball with a mass of 4·kg is moving in a vertical circle at the end of a 0.9·m long rope. When the ball is at the top of the circle, it is going 7·m/s. What is the tension in the rope? (Again...don't need the answer...just the formula on how to find ...
July 8, 2012

help please :)
It's not A
June 20, 2012

algebra
Which of the quadratic functions has the narrowest graph? A. y=1/4x^2 B.y=x^2 C. y=-3x^2 DAy=1/12x^2
April 17, 2012

budget
It's d?
February 15, 2012

physics
Two sounds, one of 200 Hz and one of 194 Hz occur at the same time. What beat frequency do you hear? Show your calculations I'm not looking for someone to do my homework for me. I just don't know what formula to use to figure it out.
January 25, 2012

Pre-Calc-please check
Thank you for checking
January 4, 2012

Pre-Calc-please check
please delete last two lines-that was just my work I calculated- it shouldn't e there actual answer is 243a^5-810a^4b + 1080a^3b^2 -720a^2 b^3 + 240ab^4-32b^5
January 4, 2012

Pre-Calc-please check
Please check this for me expand (3z-2b)^5 using Binomial Theorem (a+b)^n = n on top sigma in middle k=0 to right (n/k)a^(n-k)b^k (3a-2b)^5 = 5 on top sigma in middle k=0 on bottom(5/k)(3a)^5-k(-2b)^k (5/0)(3a)^5(-2b)^0+(5/1)(3a)^4(-2b)^1 +(5/2)(3a)^3(-2b)^2 +(5/3)(3a)^2(-2b)^3...
January 4, 2012

Pre-CalcPlease check
Thank you
December 30, 2011

Pre-CalcPlease check
Please check: 1.Write in expanded form: this is a sigma notation- 4 on top signma in middle k=1 on bottom to right of sigma is (k-1)(k-2) I solved: k=1 (1-1)(1-2)=0(-1)=0 K=2 (2-1)(2-2) = 1(0)=0 k=3(3-1)(3-2)=2(1)=2 k=4 (4-1)(4-)=3(2)=6 answer: 0+0+2+6 2. Write 4+9+16+25+36+49...
December 30, 2011

English-Please check
I have a question- I finished reading The Sound and the Fury and I have 50 questions to answer; I'm not sure about two of them; Why was Benji's name changed from maury early in life- The choices were: The mother disapproves of her brother Maury so she doesn't want ...
December 19, 2011

statistics
100
November 7, 2011

Home Insurance
lol. Yes i come here for answers to I'm very happy she pots these. Don't ban her.
October 23, 2011

Spanish
I had to rewrite from English to Spanish-Please check if I did them correctly- 1.She sees them. Ella los ve. 2. We see them. Nosotros los vemos. 3. I invito you. Yo te invito. 4. I invite him. Yo lo invito. 5.She see you all. Ella los ve. 6. He invites us. Él nos invita.
October 20, 2011

math
9.9
October 16, 2011

chemistry
what type of reaction is Nickel (II) ion and iron (III) ion and reacts to produce iron (II) and nickel (III) ions? is it: combination, decomposition, single or double replacement.
October 6, 2011

chemistry
balnced equation CaCO3-->CaO+CO2 how many moles of CO2 are produced if you start with 3 mol of CaCO3?
October 5, 2011

chemistry
what are the phases of all the reactants and products in the reaction 2Al + Fe2O3--->2Fe + Al2O3?
October 5, 2011

chemistry
how many moles of CO2 are produced if you start with 3 mol of CaCO3? balanced equation is: CaCO3--->CaO=CO2
October 5, 2011

Budget
that isnt it
October 1, 2011

Physics
A particle travels between two parallel ver- tical walls separated by 39 m. It moves to- ward the opposing wall at a constant rate of 8.8 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2 . 39 m 9.8 m/s2 8.8 m/s a) What will be its ...
September 18, 2011

physics
A football is thrown upward at a(n) 37 angle to the horizontal. The acceleration of gravity is 9.8 m/s2 . To throw a(n) 57.8 m pass, what must be the initial speed of the ball? Answer in units of m/s
September 11, 2011

Physics
A parachutist descending at a speed of 19.6 m/s loses a shoe at an altitude of 41.6 m. What is the velocity of the shoe just before it hits the ground? The acceleration of gravity is 9.81 m/s2. Answer in units of m/s
September 5, 2011

Physics
A car traveling at a constant speed of 33 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.62 m/s^2. How long after the trooper starts the chase does he overtake the speeding car? (answer in units of s)
August 28, 2011

Physics
A car traveling at a constant speed of 33 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.62 m/s^2. How long after the trooper starts the chase does he overtake the speeding car? (answer in units of s)
August 28, 2011

college physics
A 1100 kg wrecking ball hangs from a 14m-long cable. The ball is pulled back until the cable makes an angle of 17.0 degrees with the vertical.By how much has the gravitational potential energy of the ball changed?
June 22, 2011

Math
Solve the logarithmic equation. Please show all of your work. Loga(x+4) + loga(x-4) = 4
June 8, 2011

Chemistry :(
How much heat is evolved when 878 kg of ammonia is produced according to the following equation? N2(g) + 3H2(g) 2NH3(g) ΔH = -91.8 kJ
April 20, 2011

Pre-Calculus
what is the range of each of these equations? 1. 4sin(3x-1)+4 2. -4sin(-3x+1)-4 3. 2sin(1.5x+.5)+2 4. -2sin(-1.5x-.5)-2
March 17, 2011

arithmetic
First, you have to find the least common multiple of the number of days between eggs (2,3,4) to get 30. Then, you make a list of numbers 1-30: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
March 16, 2011

Calculus Please someone help
1. Find the slope m and an equation of the tangent line to the graph of the function f a the point (2, 38) 2. Find an equation of the line that passes through the point (9,7) and is perpendicular to the line 5x+3y-4=0
March 2, 2011

Math
subtact
February 22, 2011

Math
A toy manufacturer needs a piece of plastic in the shape of a right triangle with the longer leg 5cm more than the shorter leg and the hypotenuse 10 cm more than the shorter leg. How long should the sides of the triangles be?
February 8, 2011

geography
What does this mean? Nation-building can involve the use of propaganda or major infrastructure development to foster social harmony and economic growth.
November 29, 2010

geography
I did sorry the link wouldnt work before on the other post.
November 26, 2010

geography
What states dont get snow?
November 26, 2010

Quick ?
What states don't get snow?
November 26, 2010

English
Why do miracles come true and happen for the right people?
November 24, 2010

Physics
The motion of material particles in P-waves is A. Clockwise circles as seen from the side B. Counter-clockwise circles as seen from the side C. Parallel to the propagation direction D. Perpendicular to the propagation direction
November 17, 2010

english
it means she wants her mom
November 16, 2010

6th grade
What does 22x11= Thanks for your help!
November 3, 2010

physics
Please Help. I am not sure how to set up or do this problem. Thanks A car is traveling along a road, and its engine is turning over with an angular velocity of +199 rad/s. The driver steps on the accelerator, and in a time of 14.2 s the angular velocity increases to +263 rad/s...
October 28, 2010

Math
I understand how to make Stem-and-Leaf plots,but I don't understand what to count by if my numbers are (from least to greatest) 13,14,16,18,20,32,33,52,58,61,and 67.Please help me!!!
October 18, 2010

Math
If 30=100%, and going over my subtracts from 100%. What is my percentage if I get 39?
October 7, 2010

trig
How would I solve the following equation for x? 2 sin^2(x) + 3 tanx secx = 2 I've tried the problems from different approaches, but couldn't come up with a solution. Could you please provide your thought process. It would be greatly appreciated. Thanks!
October 1, 2010

science
a cookie a certain mass. explain why the mass would not change if you break the cookie in half.
September 21, 2010

physics
While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 5.00 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same instant? Take the ...
September 9, 2010

physics
A jetliner, traveling northward, is landing with a speed of 65 m/s. Once the jet touches down, it has 785 m of runway in which to reduce its speed to 5.0 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the positive direction to...
September 7, 2010

physics
In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.2 m/s in 1.9 s. Assuming that the player accelerates uniformly, determine the distance he runs.I
September 7, 2010

Math
135
March 3, 2010

painting
plz can u help me i av to find out about three different types of lino printing and i dunno wat to look at let me know as soon as poss i need it now really thanx
February 3, 2010

algrebra
P=S1 + S2 +S3 for S2
January 28, 2010

math
how to round off to nearest million
January 20, 2010

8th grade math
thanks I got it
January 19, 2010

8th grade math
find the product of the only set of three consecutive prome numbers that differ by 2.
January 19, 2010

Maths
Thank you for your help.
April 15, 2009

Maths
The question says: Two pairs of touching sides are the same length. The diagonals meet at right angles. Opposite sides are not parallel. The diagonals bisect each other, but are different lengths. The diagonals do not meet at right angles. Angles are not right angles. Please ...
April 15, 2009

9th grade - Algebra???
how do i turn the following equations into standard form? -14x = 24 + 18y y = 9/2x - 7/2 -3y = -6 + 6x -20/3 = 5y + -5x y = 3/2x + 5
April 4, 2009

Science
What are the EPA's standards for the maximum amount of cadnium per liter of water? I went on their website, but I did not find any specific amount. Thanks for looking into this.
March 20, 2009

Science
What are byproducts of zinc and silver mining? Are they toxic enough to pollute water in large quantities? Thank you for thinking about this. I had a difficult time finding this on the internet.
March 20, 2009

English
So my sentences should be: I stopped to fix the flat tire. (infinitival) I stopped fixing the flat tire. (gerund) Is this correct?
November 23, 2008

English
Are these two sentences right using "I stopped?" gerund object - I stopped to fix the flat tire. infinitival object - I stopped fixing the flat tire.
November 23, 2008

English
Are these two sentences right? gerund object - I stopped to fix the flat tire. infinitival object - I stopped fixing the flat tire.
November 23, 2008

English
I am sorry, I was suppose to identify the main verbs then write sentences that used them as gerund direct objects and infinitival direct objects. Do I have the verbs correct?
November 23, 2008

English
I think I have these corrct, but I am not sure. Can someone tell me if I am right or wrong? direct object gerund The students downplay walking in the rain. (downplay) We enjoy surfing as a group. (enjoy) The children adore talking on the internet. (adore) The residents ...
November 23, 2008

English
Can someone check this and tell me if I did it right? The sentence is: Go and watch the children crowded around the beaches during the first week of summer. Go and watch Prep phrase and opt ADV the children NP1 and subject crowded around tr-vb and pred vb the beaches NP2 and ...
November 20, 2008

English
Are these two sentences correct? Adjectival prepositonal phrase: I like in our house the big kitchen to cook in. (in our house is the adjectival prepositonal phrase) Participal Phrase: I dislike ordering an item online to find a damaged package when it arrives. (damaged ...
November 16, 2008

English
Adjectival prepositonal phrase: I like in our house the big kitchen to cook in. (in our house is the adjectival prepositonal phrase) Participal Phrase: I dislike ordering an item online to find a damaged package when it arrives. (damaged package is the participal phrase)
November 16, 2008

English
Can some one tell me if my examples are correct or if I need to do them over? Adjectival prepositional phrase: I like playing basketball at the gym every other weekend. Post noun modifier: I like the sun when it is bright and hot in July. Participial Phrase: I dislike buying ...
November 16, 2008

ict help asap
i mean  How ICT is used in the wider world. This section should include actual examples of how computers and technology are used in the areas of: • E-commerce (online shopping) • Manufacturing (e.g. CAD & CAM) • Education (e.g. encyclopaedias, the ...
October 28, 2008

ict help asap
 How ICT is used in the wider world. This section should include actual examples of how computers and technology are used in the areas of: • E-commerce (online shopping) • Manufacturing (e.g. CAD & CAM) • Education (e.g. encyclopaedias, the internet) &#...
October 28, 2008

reading
dies or brakes all his bones
October 28, 2008

English
just as they are all right
October 28, 2008

spanish
how do you tell time?
August 14, 2008

chem
ahh i hate chemisty, i'm kindof slow too and everything confuses me in chem.!! i feel the same way as you:)
May 29, 2008

Math
Sorry, my problem is: 9^(x+6)=7^x
April 12, 2008

Math
Can someone tell me how they got the answer. Problem: 9^(x+6)=7x My answer was: -52.458 The correct answer is: -51.138 I have checked my input on my calculator, and cannot figure it out.
April 12, 2008

math riddle ALGEBRA WITH PIZZAZZ
What do you call a group of factory foremen who sing while drinking tab cola and eating crab apples?
April 6, 2008

Graphing
My answer is suppose to be x= -1/2. Is that correct?
April 3, 2008

Graphing
I need to find the symmetry of a polynomial function graph. Is this correct? f(x)=x^2+2x-1 x=-6/2x=-2/2*1 x=-2/2=-1 It is symmetric about x=-1/-2
April 3, 2008

Algebra
I have worked it more..... t=3+or-sqrt9+136/4 t=3+or-sqrt145/4 (is this my answer?)
March 21, 2008

Algebra
HELP! an object moves in a straight line given by s=2x^2-3t where s is in meters and t is the time in seconds the object is in motion. how long to nearest tenth will it take to move 17 meters? my attempt s=2t^2-3t 17=2t^2-3t -17=-17 0=2t^2-3x-17 t=-b +or- sqrtb^2-4ac/2a t=-(-3...
March 21, 2008

Algebra
Can someone help me, I am stuck and do not know how to complete. Maybe my first part is wrong, I don't understand by looking at my example if I am doing it right or not. Square root Property 2k^2 +144=0 2k^2 +144-144=0-144 2k^2=-144 This is where I am confused 2k=sqrt -144...
March 17, 2008

Algebra
use only positive exponents and all variables are real positive numbers y^9/8 / y^5/8 =9/5 (is this right?)
March 13, 2008

Science
Can someone tell me if I have these three correct? Are the following observations, predictions or hypothesis. I think: Birds eat worms when bugs are not available. Observation Infection is caused by bacteria. Hypothesis Honey is the food store for a bee hive. Observation
March 12, 2008

science
Are the following observations, predictions or hypothesis. I think: Birds eat worms when bugs are not available. Observation Infection is caused by bacteria. Hypothesis Honey is the food store for a bee hive. Observation
March 12, 2008

Chemistry
Tell what the function of lipids do in a cell. Is the correct answer: lipids function in a cell is to provide energy, act as structural components in a cell , and can help provide hormones
February 23, 2008

Biology
Tell what the function of lipids do in a cell. Is the correct answer: lipids function in a cell is to provide energy, act as structural components in a cell , and can help provide hormones.
February 23, 2008

Organic Chemistry
Thank-you for taking the time to help me understand the question. I think I understand, would the following statement be correct: Alcohol would not be a base, because in order to be a base the molecule must accept a proton.
February 16, 2008

Organic Chemistry
Alcohol has OH functionality, but do you expect it to be a base and why? I would expect it to be a base, but I am not sure why. Does anyone know?
February 16, 2008

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