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December 17, 2014

Posts by Lina


Total # Posts: 167

8th grade science
Can a secondary consumer be eaten by another secondary consumer? Thanks! :-)
February 1, 2011

8th grade science
*please post your question some other place where it can be properly answered and so can mine. Thank you.*
January 19, 2011

8th grade science
For my quiz some of these questions confuse me. Your genome is over 99% identical to every other human on earth. True False 3 points Save All living things on earth share certain identical sequences of bases on their genome. True False and... Question 8 3 points Save The bases...
January 19, 2011

8th grade Math
:)
January 13, 2011

8th grade Math
Also please do NOT tell me the answer but show me how to solve it. Thanks everybody!
January 13, 2011

8th grade Math
Hi I need help with my math problem. It is: Name the function rule from the table given. Table- X= Y= -4 4 -2 2 0 0 answers: y = -x y = -4 y = 2x y = x I do not get how to solve this problem!
January 13, 2011

math
help me in my math worksheet
January 12, 2011

8th grade science
thanks everybody you helped me a whole lot! :)
January 5, 2011

8th grade science
I only have one way that the Man-o-War defends them self, their stingers. I need one more way. But my search engine only provides that way. :( Also when the Man-o-war gives birth this happens asexually. but i also need to answer the question how do the man - o- wars find a mate??
January 5, 2011

8th grade science
Wow that helped a lot! Thanks, can I ask you another question if you do not mind?
January 5, 2011

8th grade science
Hi! For a research project from my science class I'm having trouble trying to find an answer to the following problem. How does the Man-o-War care for their young? Thanks!
January 5, 2011

8th grade science
thanks i finshed that really helped a lot. :)
January 5, 2011

8th grade science
thank you.
January 5, 2011

8th grade science
HI! I need help with detremining how long my essay should be. It has to be from 4-5 minutes long. Thanks!
January 5, 2011

Math
Tim ate some chocolate cake for an afternoon snack He left 3/4 of the cake. If his parents ate 1/3 of the remaining cake for dinner, write a multplication problem to represent how much cake tims parentd ate
December 2, 2010

math
How many 2 inch squares can be placed completly on a rectangular board that is 12 inchea wide and 16 inches long?
December 2, 2010

Pen Foster Child Care
WOW maybe you shouldnt be taking this course. Those questions are the easiet questions. Good Luck!
November 28, 2010

Statistics
1. A large video rental chain recently decided to change its rental policy, allowing an unlimited return date instead of requiring that movies be returned the next day. The marketing team reasoned that this would greatly increase the popularity of their stores, and also that ...
November 22, 2010

5th grade social studies
Question: What time period or movement began in the textile industry? I am really confused about this questions. My answer was the time period of the 18th century. Is this correct? Question: What is an economic system based on machinery rather than animal or human power during...
October 26, 2010

math
18.2 i think
October 17, 2010

Caring for school age childres
choices- A. Peers B. family C. elementary school teachers D. Child care providers
October 8, 2010

Caring for school age childres
The formation of children's core values is most strongly influenced by
October 8, 2010

Science
This is a follow up on my other question: I need help on Mitosis, and cell reproduction.
October 1, 2010

chemistry
Sorry, can't help! Would if i could, really!
October 1, 2010

Science
I forgot my book in my desk and have homework over the weekend!! HELP ME!
October 1, 2010

biochemistry
Calculate the pH change of 10mL of HCl added to 1M phosphate buffer in 1L with initil pH of 7.2?
September 28, 2010

7th grade math
28 bags of each
May 12, 2010

chem
Calculate the ph of a buffer solution that is 0.10M in ammonia and 0.15M in ammonium chloride .kb for ammonia is 1.8*10^-5
May 12, 2010

penn foster child growth and development
D-
April 22, 2010

Physics
For constant acceleration, how does the average velocity for an interval compare with the instantaneous velocity at half-time in the interval?
February 16, 2010

6th grade
a fish
November 3, 2009

physics
Your spaceship lands on an unknown planet. To determine the local value of g, you ask a steel-toed crew member to kick a stone, and you find that if she kicks it at 18.0m/s at various angles, the maximum range she can achieve is 30.8m. What is g on this planet? How long was ...
September 15, 2009

algrebra
6-9g-27+6g -3g-21
September 14, 2009

math156-proportions
cross multiply. So for #1 It becomes (4)(5) = 15x in the next step. then continue to find X
September 14, 2009

Pre-Algebra
(7y)(5z) = 35yz (-10r)(5s) = -50rs
September 14, 2009

physics
A man stands on the roof of a 19.0 m-tall building and throws a rock with a velocity of magnitude 30.0 m/sat an angle of 42.0 degrees above the horizontal. You can ignore air resistance. Calculate the maximum height above the roof reached by the rock. Calculate the magnitude ...
September 14, 2009

language arts
breaking it down into simpler structure would be: The boy tricked the girl subject is boy.
August 31, 2009

algebra
distribute the 5 first x+9=20x-10 combine like terms 19=19x x= 19/19 x=1
August 31, 2009

physics [vectors]
The concept i get, but somehow i just can't execute this problem, please help me! You are given vectors A = 5.5 6.2 and B = - 3.7 7.4 . A third vector C lies in the xy-plane. Vector C is perpendicular to vector A and the scalar product of C with B is 19.0. I need x and y ...
August 30, 2009

Calculus
this is how you plug it in: [(x + Δx)^2 + 1- (x^2 + 1)]/(Δx) Rework the equation to get: Δx + 2x, in it should be lim as Δx goes to 0, and that would leave you with 2x, which if you used easy method, leaves you with same answer.
August 30, 2009

statistics
females males 26 33 35 40 75 50 63 32 36 28 71 39 54 32 68 33 37 31 48 36 42 26 43 37 73 38 55 21 47 39 71 48 27 38 56 36 37 59 25 59 88 53 42 59 33 35 66 38 45 24 53 28 46 45 74 28 58 23 51 15 58 61 48 31 48 17 42 55 55 31 50 55 61 37 28 36 41 20 58 48
August 10, 2009

statistics
A researcher has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times, in minutes, are listed in file. Using the 0.025 level of significance in a one-tail test, would ...
August 10, 2009

statistics
Please only the formula and steps to do this problem. Thank you An assembly process includes a torque wrench device that automatically tightens compressor housing bolts; the device has a known process standard deviation of ó = 3 lb-ft in the torque applied. A simple ...
August 2, 2009

statistics
Please only the formula and step I need for this problem. thank you In response to media inquiries and concerns expressed by groups opposed to violence, the president of a university with over 25,000 students has agreed to survey a simply random sample of her students to find ...
August 2, 2009

statistics
Please, give the formula and steps to do this problem. Thank you The average length of a flight by regional airlines in the United States has been reported as 299 miles. If a simple random sample of 30 flights by regional airlines If The average length of a flight by regional ...
August 2, 2009

statistics
If a sample of size 30 is selected, the value of A for the probability P(t greater or less A) = 0.01 is?
August 1, 2009

statistics
If a sample of size 30 is selected, the value of A for the probability p(t¡Ý A)= 0.01 is?
August 1, 2009

Statistics
8.11) For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules and overtime policies. What is the ...
July 23, 2009

Statistics
For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules and overtime policies. What is the ...
July 22, 2009

Statistics
city law enforcement has state that 20% of items sold by paywn within city stolen john purchase 4 items from city pawn shop for x=the number of john purchase that have been stolen how I can determine:a P(x=0, b P(2<=x), cP(1-<x-<3) and d P(x-<2).. Try
July 21, 2009

Statistics
how you can use sampling distribution and the concept of Central Limit Theorem to apply information and make good predictions and estimations when you shop for a particular item or product?
July 20, 2009

Statistics
For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a simple random sample of 36 employees to engage in a discussion with regard to the company’s work rules and overtime policies. What is the ...
June 29, 2009

Chemistry
The correct answer is 1.8 mL
March 1, 2009

PSAT format
For the reading section is the format part 1 vocab 2 short passages 1 long part3 vocab 2 short passages 2 short or is it the other way around
October 17, 2008

1st grade,Middle Sound
which words have middle sound?
October 9, 2008

math
1x1
October 8, 2008

math
what is the probability 1.4
October 8, 2008

Math
What would be considered as a competitive interest rate and was is a compeititve interest rate?
May 23, 2008

math
y the factors are (x-4+3i) and (x-4-3i) ???Can you explain please?
April 21, 2008

math
Which equation has the complex number 4-3i as a root? 1) x^2+6x-25=0 2) x^2-6x+25=0 3) x^2+8x-25=0 4) x^2-8x+25=0 Can anyone please teach me how to do it?THANKS A LOT!!!
April 21, 2008

physics
but i got .00144 for the answer... the correct answer should be 8.0*10^-4 how come?
February 10, 2008

physics
A steel beam is used in the construction of a skyscraper. By what fraction (change in L)/(Lo) does the length of the beam increase when the temperature changes from that on a cold winter day (-15 F) to that on a summer day (+105 F)? Can anyone please give me some hints to do ...
February 10, 2008

GRAMMAR
how should i now what form of the word to put in sentense
October 24, 2007

algebra
Simplify (1/R_1)+(1/R_2)
October 9, 2007

Math - Algebra
The answer is 3 (choice E). If 3n-4=n+2... you need to breakdown the equation. Add 4 to both sides. So that leaves you with 3n=n+6. Subtract 1n from both sides. So that leaves you with 2n=6. Divide both sides by 2... therefore n=3.
May 20, 2007

Micro Economics
A nation's production possibilities curve is "bowed out" from the origin because a. resources are not equally efficient in producing every good c. resources are scarce d. wants are virtually unlimited . John has a paper route and spends all his weekly allowance ...
April 3, 2007

Math
Write your answer in standard form. Show all your work if you want to be eligible for partial credit. Write the equation of a line perpendicular to the line y = (2/3)x - 7 and passing through the point (4,-2). The slope of the line y = (2/3)x - 7 is 2/3. The slope of a line ...
November 7, 2006

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