Friday
October 24, 2014

Posts by Bethany


Total # Posts: 176

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

Chemistry
Do you mean like this? Hydorgenation is when atoms of hydrogen H2 are added to the carbons in a double or triple bond of alkenes or alkynes to form what we call alkanes. More or less attaches to one of the carbon atoms in a double and OH-attaches to the other carbon atom of ...
February 10, 2008

Chemistry
It is organic and it is in alkenes.
February 10, 2008

Chemistry
Difference between hydration and hydrogenation reactions? I have searched everywhere in my book and all I can come up with is: Hydorgenation is when atoms of hydrogen H2 are added to the carbons in a double or triple bond of alkenes or alkynes to form what we call alkanes. ...
February 10, 2008

Chemistry
Is there someone out there that can tell me if I answered this right or if I need to study some more? Thanks What is it that makes water such a good solvent for polar substances? Why is it called the universal solvent? Water is such a good solvent for polar substances because ...
January 31, 2008

Math
We have to simplify complex numbers and I was wondering whether I did these problems correctly. 1. 4i^2-2i^3 = -4+2i 2. (-i)^3 = i 3. (the square root of a -2)^6= -8 4.1/(2i)^3 = i/8
December 16, 2007

science
what is the relative humidity of a kilogram of air at 25 degrees celcious that contains 10grams of water vapor
October 2, 2007

Chemistry
srry I placed the question in the wrong spot. The equation is 2NH3 <=> N2 + 3H2 1 mole of NH3 injected intoa 1L flask 0.3 moles of H2 was found the concentration of N2 at equlibrium is 0.1M how do I find the concentration of NH3 at equlibrium? (N2) = 0.1 (H2) = 0.3 ...
May 8, 2007

early childhood
Can someone please help me with this? I think I have the right answer--just need verification. Which statement most accurately describes "normal" growth and development of the pre-school child? 1.It occurs at a uniform rate for all chidren. 2.It is a simple process. ...
April 11, 2007

Early Childhood Ed. Question--Please Help!
To capitalize on children's different learning styles, teachers should: 1.teach lessons using a multi-sensory approach. 2.use their own learning style to teach and let the children match them. 3.separate children by learning styles and seat children near others like ...
April 7, 2007

Early Childhood Ed..
Would creating a sensory-rich classroom enviroment be an appropriate way for a teacher to help young children learn about aesthetics? I think that would be an exciting idea, and that children would enjoy it.
April 7, 2007

Math
A physician prescribes 3.5 mg. of medication each day. How many micrograms is this dosage? Thanx for the help! 1mg is 1000mcg. I am told that mcg is a "modern" abbreviation for microgram. So, I say 3.5 x 1000= 3500 mcg Right? thank you! correct What´s the ...
February 28, 2007

Math
A perscription calls for 5 ounces of medication. For how many millimeters is te perscription? (Use 1 ounce = 29.57 mL.) if 1oz = 29.57mL then you simply multiply: 29.57 x 5 Good job! Nice you are helping!
February 27, 2007

Math--I need help!
I have these two questions on my assignment. Please help me. 80 mi. = _______ km. 9 cm. = _______ m. 9cm (1m/100cm)=??? 80miles (1 km/1600m) one mile = 1.6093 km so 80 times 1.6093 = what? one cm = 1/100 m or .01 m so 9 cm = 9 times .01 = what? 9 cm = 0.09 m. 80mi.= 128.72km. ...
February 27, 2007

Kim spent $20.00 on grocries. She had $50.00. how much did Kim spend?
Kim spen $50.00 subtracted by $20.00 witch is $30.00 left!
February 27, 2007

help!!
what is the antomym for prohibit http://www.thesaurus.com =)
January 16, 2007

Calculus
Does x^4 * e^x have a horizontal asymptote? Take the derivative to see if slope is zero. dU/dx = x^4 * e^x = 4x^3 * e^x + x^4 * e^x So, what happens as x approaches neg large ?
October 27, 2006

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