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December 18, 2014

Posts by abby


Total # Posts: 678

social studies
information about landform
November 30, 2010

math
61 devided by 6039
November 29, 2010

Science
if it takes 20 newtons to accelerate an object weighing 15 kg 0.1 meters per second squared to the west what is the force of kinetic friction?
November 25, 2010

math
A circular racetrack has a diameter of 200 meters. What is the approximate distance a car travels in meters for three full revolutions around the track? use 3.14 for pie.
November 21, 2010

trig
sin(pi/3)
November 16, 2010

world issues- amazon deforestation
I just need like facts on ways to stop deforestation. -_-
November 16, 2010

world issues- amazon deforestation
Are you asking me this?
November 16, 2010

world issues- amazon deforestation
Hi. I was assigned an essay that I have to get done by 2morrow. It is about Amazon rainforest deforestation. I have to sum everything up into 3 paragraphs. 1st paragraph- tell what's happening here; I already did this. 2nd & 3rd paragraphs- describe how you would stop ...
November 16, 2010

Math
Nope
November 15, 2010

Math
Rae runds a mile 20 times. Her average time is 5.2 mins. She wants to drop her slowest time 5.8 mins and find the ew average. Write and equation to find are her new average running time
November 15, 2010

8th grade
Maybe you should just make it as math instead of 8th grade. I suggest you post it agin.
November 15, 2010

math
Originally priced at $35 now on sale for 25% what proportion could you do to find d the discount of the price
November 15, 2010

Mathh
Originally priced ar 35 dollars now on sale for 25% find an proportion to find d. d/35 = 25/100
November 15, 2010

10th grade geo
An Important Fact About YOU! Worksheet.
November 15, 2010

math
jared spent 76 dollars in june. In july he spent 1/5 more money than he did in june which procedure can be used to determine the money he spent in july add 1/5 abd 75 multiply 1/5 abd 75 then add 75 multiply 1/5 and 75 divide 1/5 by 75 then subtact the result fron 75
November 15, 2010

Pre-algebra
Thank you for your help!
November 15, 2010

Pre-algebra
So 7t = -98. What is t?
November 15, 2010

english
If direct exposition means direct characterization, then true. Characterization is how the author helps you find out the personality traits of a character. Let's say if the story read; Yang was a very nice child from China. This would be DIRECT characterization. If the ...
November 15, 2010

english
Are you trying to ask if this is a correct sentence? If that is your question, than yes, it is a correct sentence. Only you need capitalization.
November 14, 2010

8th grade math
J=31-q or 31-q=J
November 14, 2010

Social Studies
WOW! That is ALOT of information!
November 10, 2010

algebra
Thank you I just didn't know if it was supposed to be a negative number or not. My math that I have is really confusing.
November 10, 2010

algebra
12 - 3b = what? for b = 4.3
November 10, 2010

algebra
a lot lot lot lot lot lot lot lot lot lot lot LOT!!! That is probably too big of a number to say.
November 9, 2010

french
check ending of tu form. Monica is intelligent. What is feminine adjective ending?
November 9, 2010

physics
Need equation: Mass of 4.24 kg acted on by external force that reduces velocity from 8.5 m/sec to 4.1 m/sec in 3.0 sec. Find magnitude of the retarding force?
November 9, 2010

physics
Mouse steals piece of cheese by rolling across the floor with a force of 5.0 N. With what acceleration does the cheese move? At what speed is the cheese rolling after 10 seconds?
November 9, 2010

Spanish 1
34. What's the opposite of alli. 36. Is lapiz masculine or feminine? Notice you are working with UN boligrafo.
November 9, 2010

6th grade
All you have to do to turn a fraction into a decimal is divide the numerator by the denominator. 5 divided by 8 = 0.625.
November 8, 2010

math
a bicycle rider left town at noon at traveled at a uniform rate of 15 miles an hour. at 2 pm the same day, a motorcycle rider left for the same place at a uniform rate 30 miles an hour higher. at what time did the motorcycle rider overtake the bicycle rider?
November 7, 2010

science
Mexico is actually the leading producer of silver followed by U.S., Canada, Australia, Spain, Peru, and lastly, Russia. Hope this helps Abby
November 7, 2010

enviroment
i have this quetion and answer thing and i am having troubles with the meanings can anyone help me?
November 3, 2010

algebra
Awesome! Thanks
November 3, 2010

algebra
If there was a problem like this: 2yx for y=8 and x=5, you would write it like this: 2(8)(5). Which do you multiply first? 8x5 then x2 or 2x8 then x5?
November 3, 2010

science
Yes. It will help us because it is an renewble energy souce. that is what I think.
November 3, 2010

Science
Should we use biomass?
November 3, 2010

6th grade
242
November 3, 2010

math Trig
find each ratio to 3 decimal places cot245degrees sec74degrees how do i do this?
November 3, 2010

Spanish
sorry, I meant sentEnce.
October 27, 2010

Spanish
It mens where are you from. Dónde means where, and eres means you are. Put those in a scentance and it asks a question.
October 27, 2010

4th grade science
Wow this is a hard one.
October 25, 2010

3rd grade
the answer would be 50 because if he wants to be rounding to the nearest 10 then that's what it would be
October 25, 2010

Calculus ll - Volumes
No, actually. It is y=1. I sketched out the solid of the equations, and I believe it's a washer.
October 7, 2010

Calculus ll - Volumes
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. y=e^(-x), y=1, x=2; about y=2.
October 7, 2010

math
it is spelled like this eight million, forty-two thousand, one hundred seventy-six.
September 30, 2010

H. Physics
A plane travels 2.5 km at an angle of 35 degrees to the ground and then changes direction and travels 5.2 km at an angle of 22 degrees to the ground. what is the magnitude and direction of the plane's total displacement?
September 29, 2010

H. Physics 11th grade
while flying over the grand canyon, the pilot slows the plane down to one-half the velocity in item 3. If the wind's velocity is still 75 km/h toward the southeast, what will the plane's new resultant velocity be?
September 29, 2010

11th grade
A roller coaster moves horizontally, then travels 45 m at an angle of 30 degrees above the horizontal. What is its displacement from its starting point?
September 29, 2010

6th grade, social studies
is in goverment
September 27, 2010

A&P
___________are usually attached to rough endoplasmic reticulum and produce enzymes and other protein componds.
September 19, 2010

Calculus
let V be volume of the solid obtained by rotating about the y-axis the region bounded by y=sqrtx and y=x^2. find V both by slicing and by cylindrical shells. in both cases, draw a diagram to explain your method. I'm SO stuck!
September 15, 2010

Calculus
find volume of solid obtained by rotating region bounded by curves y=x and y=sq.rt x, about line x=2
September 15, 2010

reading
shoud i add a predicate or a subject to this sentence this baseball team.
September 8, 2010

business information system
Identify the ROI and NPV of the wireless order-taking system. ...
September 2, 2010

Math
So i was given a graph of h(x) and i am supposed to approximate h^-1(3) but i'm not sure about how to do it. could anyone tell me how to find the solution? THANKS!
August 24, 2010

Algebra 2
Make a table with a process column to represent each pattern. Write an expression for the number of tiles in the nth figure. The picture is a column of squares that is 4X6. In each figure its subtracting a square.
August 18, 2010

6th grade science acrostic
Helpppp!!!!!!!!!!I need help on the acrostic. Can you people help? Okay, I need to do an acrostic on photosynthesis, devoured,and extinct.....Thank you if you help.....Rlyyyyyy THANKS
August 16, 2010

Science
Why does the water of lakes and oceans look alike?
August 15, 2010

maths
z = x-y+4 z = y-w-3 z = w-x+5 Based on the system of equations above, what is the value of z? a) 2 b) 3 c) 4 d) 6 e) 12
July 11, 2010

math
What you saying
June 9, 2010

math
Thank you I thought so
June 9, 2010

Math
A survey was made of 200 students to study their use of the public library system. The findings were as follows: 60 used the Reader’s Guide. 28 used both the card catalog and the information booth. 68 used the information booth. 83 did not use the library. 43 used only ...
June 6, 2010

Chemistry
Predict the effect of each of the following on the indicated equilibrium system in terms of which reaction will be favored (forward, reverse, or neither) H2(g)+Cl2(g)<=>2HCl(g) +184 kJ A)addition of Cl2 B)removal of HCl C)increased pressure D)decreased temperature E)...
May 18, 2010

math
Without graphing, identify the slope and the y-intercept. y = -4x + 5
May 16, 2010

algebra
Use the discriminant to determine how many real-number solutions the equation has. s2 - 5s + 6 = 0
May 16, 2010

health
List 3 components of the environment Briefly describe the major pollutant in each category and their effect on health Explain how sustainable development affects the environment
May 14, 2010

health
List 3 components of the environment Briefly describe the major pollutant in each category and their effect on health Explain how sustainable development affects the environment
May 14, 2010

%%%%
thanks dr bob!! I remember now!
May 4, 2010

%%%%
what is the formula for finding a percentage of a dollar amount??? ex. 30 % of 233 is ??? Please help me! Thanks!
May 4, 2010

6th grade math
40/100=4/10=2/5 a percent is over 100-then reduce
May 4, 2010

Trig
How do I solve this problem? tan (30° + x)
May 2, 2010

Chemistry
If one strand of DNA has the sequence AATCCGTAGCTC, what would be the sequence of its complementary strand?
April 28, 2010

physics
What is cice and Hfice on here?
April 26, 2010

Calculus
Use the given vector to find a vector b such that compab = 4. a = ‹4, 0, 1› ‹s, t, >
April 17, 2010

Calculus
At what points does the helix r = sin(t), cos(t), t intersect the sphere x^2 + y^ 2 + z^2 = 26? (Round your answers to three decimal places. Enter your answers from smallest to largest z-value.)
April 16, 2010

Physics
why is the second part incorrect
April 16, 2010

Physics
An oscillator with a mass of 520 g and a period of1.2 s has an amplitude that decreases by 2.20% during each complete oscillation. At what time will the energy be reduced to 15.0% of its initial value?
April 16, 2010

Ag Bio
I'm stuck on a few questions. If you can just answer what you can- 25. Describe the role of an operon in a prokaryotic cell, and give an example of how an operon works. 31. The word transcribe means "to write out," and the word translate means "to express in...
April 15, 2010

Osciallations
You pull a simple pendulum of length 0.237m to the side through an angle of 3.50 degrees and release it. How much time does it take the pendulum bob to reach its highest speed? Take free fall acceleration to be = 9.80 . How much time does it take if the pendulum is released at...
April 15, 2010

Ag. Bio
Last one, thanks for the help guys =) 34. Recall what happens in mitosis and meiosis. Describe how a given amount of a cell's DNA might be alike or different after each process was complete.
April 14, 2010

Ag. Bio
Been working on this forever... Thanks =) 33. A researcher identifies the nucleotide sequence AAC in a long strand of RNA inside a nucleus. In the genetic code, AAC codes for the amino acid asparagine. When that RNA becomes involved in protein synthesis, will asparagine ...
April 14, 2010

Ag. Bio
=) Thanks 32. How does the possible impact of a chromosomal mutation that occurs during meiosis differ from that of a similar event that occurs during mitosis?
April 14, 2010

Ag. Bio
This is the hardest question I can't figure out. Thanks =) 31. The word transcribe means "to write out," and the word translate means "to express in another language." Review the meanings of transcription and translation in genetics. How do the ...
April 14, 2010

Ag. Biology
I'm stuck on 10 questions on my homework, I'll post them separate. 25. Describe the role of an operon in a prokaryotic cell, and give an example of how an operon works.
April 14, 2010

statistics
The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes. Using the 68-95-99.7 rule, if students are given 90 minutes to complete the exam, what percentage of students will not finish?
April 13, 2010

Social Studies
i need help on learning about jefferson davis
April 11, 2010

Chemistry
I got answers for a and b but I don't know where to begin on c
April 5, 2010

Chemistry
For a I have .948 mol Li3N and for h20 I have 17.07848544 grams so now what do I do
April 5, 2010

Language Arts 7th Grade
yes actualy thank you! :)
April 4, 2010

Language Arts 7th Grade
I am doing a project on Percy Jackson and the Olympians: The Lightning Thief. I need to five 5 Hero's Journey Archetypes, but i can't seem to think of any except for 2 which are The Underworld and The Hero. I do not have my archetypes list with me so i am trying to do ...
April 4, 2010

statistics
Scores on a test have a mean of 66 and Q3 of 81. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth.
March 29, 2010

CHEM
The first excited state of the hydrogen atom is separated from the ground state by 10.2 eV. (a) At what wavelength does this occur and what is the energy difference in kJ mol-1
March 26, 2010

Physics
the ski boat is traveling at 15 m/s and the tension in the rope is 80 N. If the boat does 3500 J of work on the skier in 54.6 m, what is the angle between the tow rope and the center line of the boat?
March 9, 2010

Physics
Initially sliding with a speed of 2.3 m/s, a 2.0 kg block collides with a spring and compresses it 0.41 m before coming to rest. What is the force constant of the spring?
March 9, 2010

Pre-Cal
1) Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67 degrees 30'
March 9, 2010

Pre-Cal(Please help)
Approximate the equation's soultions in the interval (o, 2pi). If possible find the exact solutions. sin 2x sinx = cosx I do not know where to start.
March 6, 2010

Pre-Cal
Approximate the equation's soultions in the interval (o, 2pi). If possible find the exact solutions. sin 2x sinx = cosx I do not know where to start.
March 6, 2010

physics
79622?
March 3, 2010

Physics
Jill of the Jungle swings on a vine 7.0 m long. What is the tension in the vine if Jill, whose mass is 65 kg, is moving at 2.3 m/s when the vine is vertical?
March 2, 2010

Physics
When you take your 1200 kg car out for a spin, you go around a corner of radius 51 m with a speed of 12 m/s. The coefficient of static friction between the car and the road is 0.88. Assuming your car doesn't skid, what is the force exerted on it by static friction?
March 2, 2010

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