Questions Asked on
June 1, 2011

biology
1. Record your observations of the roots of the bean and radish plants in the appropriate data chart. Be sure to include a sketch of each plant’s roots. Answer: Data Chart: Bean Plant Nodules present? Number of nodules Number of pink nodules Number of
asked by Sam 
Geometry
A solid is composed of a cube with side length 6 meters and a hemisphere with diameter 6 meters. Find the volume of the solid.
asked by Peter 
Chemistry
The density of aluminum is 2.70g/cm3. If a cube of aluminum weighs 13.5 grams whatis the length of the edge of the cube. I need help with the formula to figure this one out.
asked by Jessica 
chemistry
If 1.8x1014 J are given off in a nuclear reaction, how much matter is converted into energy? Not a clue as to how I would even START to figure this one out  help!!!
asked by Edmondsgal 
geometry help
a trapezoid has base lengths of 4 and 19 feet, with an area of 115 square feet. what is the height of the trapezoid?
asked by karl 
physic
An air column in a glass tube is open at one end and closed at the other by a movable piston. The air in the tube is warmed above room temperature, and a 350 Hz tuning fork is held at the open end. Resonance is heard when the piston is at a distance d1 =
asked by sisca 
Biostatistics
17. A research biologist has carried out an experiment on a random sample of 15 experimental plots in a field. Following the collection of data, a test of significance was conducted under appropriate null and alternative hypotheses and the Pvalue was
asked by Anonymous 
propability
In basketball, Nicole makes 4 baskets for every 10 shots. If she takes 3 shots, what is the probability that exactly 2 of them will be baskets?
asked by john 
English
I need help writing a paragraph using these words. Retrospect, Inane, Squelch, Subsidize, and Lethargy.
asked by Amber 
algebra
Find the rate of growth of the function a(x)=19(2.046^x
asked by Anonymous 
Lepelle
Life orientation
asked by Katlego 
Science
Using the balanced equation for this reaction, calculate the volume of CO2 that should be produced by the decomposition of 2.21g of CuCO3•Cu(OH)2 at STP.
asked by Dan 
history
The Civil War and Reconstruction Describe and examine the concept of "sectionalism". Describe and analyze the institution of slavery and access its overall socioeconomic impact on the South as well as the Civil War. Describe and analyze the causes and
asked by jennymenny 
Chemistry
Lactic acid, C3H6O3. If the initial concentration of lactic acid is 0.12 mol/L and the pH is 2.39, what is the Ka for lactic acid?
asked by Anonymous 
math
for math homework it is algebra and we have to use a ti83 plus calculator to convert things, that's the one our teacher told us. but i do not have one. so i was wondering if anybody knew of a website that i could use a free calcutar online?
asked by Natalie 
Precalculus
Simplify cotx sin2x cscx
asked by nilii 
Geometry
The surface area of acone with height 15 cm is 500π square cm. Find the radius of the cone. Round your answer to two decimal places.
asked by John 
physic
In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. For example, the note at 110 Hz has two strings at this frequency. If one string slips from its normal tension of 550 N to 520.00 N, what beat
asked by sisca 
life orientation
Describe the life style disease/behaviour and explain 5 factors
asked by mpume 
Calculus
A rectangle is inscribed with its base on the x axis and its upper corners on the parabola y= 12  x^2. What are the dimensions of such a rectangle with the greatest possible area?
asked by Marissa 
Math
7yd 2ft 3in  2yd 2ft 9 in
asked by Joe 
physics
if a force of 15N acts on a body in the direction of north and another force of 10N in south what is the resultant force acting on the body
asked by preeti 
PHY
Overall, the physical properties of minerals provide a reliable means to identify common minerals. However, certain properties can exhibit a range of characteristics or values making them less useful for identification purposes. Choose 2 physical
asked by Anonymous 
Mathematics
At football practice, players do a 20minute warmup before starting their practice drills. After the practice drills, they do a 10minute cooldown. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice
asked by HELP 
physics
the 2lb box slides on the smooth curved ramp. if the box has a velocity of 30ft/s at A, determine the velocity of the box and the normal force acting on the ramp when the box is located at B and C. assume the radius of curvature of the path is still 5 ft.
asked by jenny 
life orientation
Topic:the practice of highrisk sexual behaviour amongst the adolescence. Describe the life style behaviour and explain 5 factors
asked by prince 
english
help me to ((write a letter to your year group, inviting students to become part of the team)). In the letter you need to tell them 1)for which activity you are sending a team. 2)what kind of experience or special skills are needed. 3)how members of the
asked by memo 
Math
At football practice, players do a 20minute warmup before starting their practice drills. After the practice drills, they do a 10minute cooldown. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice
asked by PLEASEEEE 
chemistry
The relative rate of diffusion between two gases is 1.656. If the lighter gas is methane (molecular mass=16.05g/mol), what is the molecular mass of the other gas? What might the other gas be?
asked by hh. 
math
At football practice, players do a 20minute warmup before starting their practice drills. After the practice drills, they do a 10minute cooldown. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice
asked by HELP ME PLSSSSSSSS 
Math
Find the surface area of a right octagonal pyramid with height 2.5 yards, and its base has apothem length 1.5 yards.
asked by Jessica 
physics
a toy spring gun is used to shoot 28g bullets vertically upward. the un deformed length is 150 mm, it is compressed to a length of 25 mm when the gun is ready to be shoot and expands to a length of 75mm as the bullet leaves the gun. a force of 45 N is
asked by jenny 
Writing
Am I using comparatives and superlatives correctly in these sentences? •When I started school, my writing skills were limited, now I have more knowledge on how to write correctly. •I have not had the easiest time understanding certain materials. •It
asked by <ii> 
study unit:: main ideas
(1) Do you endjoy being out in the fresh air? (2) Does nature restore your spirits? (3) You might want to consider hiking as a hobby. (4)It's a hobby you can begin with very little expense. (5) All you need to start is a good pair of hiking shoes. The
asked by Anonymous 
science
a ball is thrown from a point 100m above the ground with speed 20m/s.find the velocity,direction and magnitude with which it strikes the ground?
asked by saira 
Science
Copper wires are a great example of the fact that metals are very?
asked by Denelle 
accounting ..urgent pls
can you help please.. PROB 1: A, B and C shared the profit of Rs. 9,00,000 in the ratio of 2:2:1 without providing for interest on B’s loan, B granted a loan of Rs. 4,00,000 in the beginning of accounting year. Where as the partnership deed is silent on
asked by jessie 
art appeciation
If Gianlorenzo Bernini's Apollo and Daphne were to be moved from the Galleria Borghese in Rome where it now stands into the Ufizzi Gallery, the most ideal place to install it would be
asked by Anonymous 
Physics
A 5 gram bullet is fired and embeds into a 30 gram block of wood resting on a 2 m tall post. After the collision, the piece of wood lands 15 meters from the base of the post. Find the initial speed of the bullet.
asked by Alex 
u.s.history
Module 4: Topics and Objectives Industrialization, Immigration, the American West, and the Progressive Era Describe and evaluate the Industrial Revolution and its social, political, economic, and cultural impacts on Americans. Describe and examine the
asked by jellybeam 
behavioral science
if a girl likes a boy and wants to hint to him she likes him humans r habitat creatures how would the girl show or tell the boy?
asked by seinea 
Math
Use the intermediate value theorem to show that f(x) has a zero in the given interval. Please show all of your work. f(x) = 3x^3 + 8x^2  5x  11; [2.8, 2.7] I'm not understanding all this questions...
asked by CheezyReezy 
Math  Possible or Potential rational zeros
List all possible (or potential) rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely over the real numbers. Please show all of your work. f(x) = x^4  7x^3  3x^2 + 19x + 14
asked by CheezyReezy 
algebra
find the quotient 9a^2b^2/3ab
asked by mema 
math
the distance of fencing reqired for 75 acres but fist changing it to meters squared i think that it is 304 969 m sq but i still don't know how much fence wire i need foe the circunferance please ckeck my work and give me the correct answer
asked by steve 
Organic chemi
I have a calculated enantiomeric excess value of 7% for my limonene experiment, what exactly does that mean? that i only isolated 7% of the proper Rlimonene isomer and the rest 93% is the S isomer?
asked by nully 
Chemistry
If 200 mL of 3.70 M aqueous Ba(OH)2 and 980 mL of 0.837 M aqueous HClO4 are reacted stoichiometrically according to the balanced equation, how many milliliters of 3.70 M aqueous Ba(OH)2 remain? Round your answer to 3 significant figures. Ba(OH)2(aq) +
asked by ChemGeek 
math
answer this putt these numbers in order from least to greatest 3/5,1/4,1/2,2/5
asked by cheyenne 
algebra 2
What is 36x^333x^233x6/9x+3
asked by nina 
English
How is the best way to write the explaination on the changes that you would make to revise the paper. I know what needs to be corrected, but I am not sure how to word it in a paragraph. The Dark Knight was the most popular film of 2008. Unlike most popular
asked by Nick 
accounting ..urgent pls
please help me to solve this problem. THANK YOU AND MAY GOD BLESS YOU ALWAYS. L. Carson agrees to pay $10,000 each to to C. Ames and D. Barker for 1/3 of their interest in the AmesBarker partnership. At the time of the admission of Carson, each partner
asked by jessie 
accounting ..urgent pls
PLEASE HELP ME AND YOU ARE ALL BRIGHT AND I NEED YOUR HELP FOR SOLVING THIS PROBLEM. PROBLEM 1: CARE p’ship at December 31 had cash amounting to $20,000, noncash assets $100,000, liabilities $55,000, and the following capital balances: Cassandra $45,000
asked by jessie 
Math
Need help on figuring out the function rule for a set of numbers. x:y 3,0 1,14 1,28 3,42
asked by Sarah 
Stoichiometry
How much 6M HCl and NaHCO3 are required to make 1 quart of CO2?
asked by Piehead 
geometry
Complete the following statements about the measures of angles in the figure shown, where and state the generalization that supports each statement.
asked by Anonymous 
Social Studies
What Indian tribe helped Lewis and Clark build a canoe?
asked by Jacob 
Grammar
Write one paragraph (150 word minimum) about the most helpful information you have learned from your other second block course on how to make financial decisions. Identify the topic sentence by [] and the clincher by {}. **Is this correct? [From my
asked by Angelina 
world history
in what regions did latin christendom expand during the period of the early mongol expansion?? britan and spain the middle east and spain prussia and north africa finland and estonia I answered middle east and spain am i correct
asked by bob 
calculus
3. A deposit of ___(i)___is made into an account paying an interest rate of 5% compounded annually. How many annual payments of ___(iii)___can be made from this account? a) (i)$100,000 (ii)$10,000 b) (i)$200,000 (ii)$20,000 c) (i) 10x (ii) x d) (i) 10x
asked by erica 
Inequality
Hi, can someone explain how to solve this inequality... 2x^3  7x^2 < 8x  28 Thanks, Armando
asked by Armando 
algebra
find the quotient 6x^35x^213x+13/2x+3
asked by mema 
algebra
the area of a rectangular swimming pool is given by 4x^2+9x+2ft^2.One side length of the pool by 4x+1feet. What is an algebraic expression for the other side lengeth of the pool and simplify and include correct units as a part oy your answer. please help
asked by mema 
physics
the horizontal or x component of the ball's acceleration is 870 m/s2 and the vertical or y component of its acceleration is 1500 m/s2. The ball's mass is 0.33 kg.
asked by Anonymous 
Synonym
Hey What's a synonym for the word 'pantheon' where it applies to all the gods of a religion, say Ancient Egyptian? Thanks!
asked by Em 
Algebra
If 10,000 is invested at 4.8% simple interest, how long will it take for the account balance to grow to 11,200.
asked by Kendra 
english
What is the topic sentence? Nearly everyone is familiar with the dark silhouette of the giant saguaro, its arms thrust stiffly out. However, few people have actually seen this aweinspiring plant in its natural habitat, since it is found only in the desert
asked by nathan 
english
In the book 1984, who wrote the song that the proles sing?
asked by Shatar 
Spanish
For some reason these ones were tricky for me :/ 30. "Mi abuela está en el hospital." "Qué lástima! _______" a. No vale la pena b. ¿Qué te duele? c. No lo sabia d. ¿Qué tienes? C or D..? 31. A mis hermanos menores las peliculas de terror ______. a.
asked by mysterychicken 
English
Are these sentences grammatically correct? The girl got married in 2010 and had one child, Sara Lee, afterwards. The girl went from being a cashier to a millionaire.
asked by Nany 
Physics
How much energy would your body need to provide for the following : a)sweating and evaporation of 1kg of water from your skin. b)heat loss by radiation at the rate of 100 wats for 12 hours. (the specific latent heat of vaporisation of water is 2.3MJkg1)
asked by Nelly 
Physics
A 5 gram bullet is fired and embeds into a 30 gram block of wood resting on a 2 m tall post. After the collision, the piece of wood lands 15 meters from the base of the post. Find the initial speed of the bullet.
asked by Alex 
Chemistry
2LiOH + CO2 yields Li2CO3 + H2O will the astronauts survive and how much water is made if there is 2.00 kg LiOh and expel 35kg of CO2?
asked by Nikki 
algebra
use the rational root theorem to list the possible rational roots for each of the following equations f(x)=x^2+2x+1 f(x)=x^22x+5 f(x)=x^2+4x5
asked by Anonymous 
Physics
A bullet with mass 4.91 g is fired horizontally into a 1.981kg block attached to a horizontal spring. The spring has a constant 6.25 102 N/m and reaches a maximum compression of 6.38 cm.
asked by sarah 
Physics
A bullet with mass 4.91 g is fired horizontally into a 1.981kg block attached to a horizontal spring. The spring has a constant 6.25 102 N/m and reaches a maximum compression of 6.38 cm. a) find the initial speed of the bulletblock system. b) find the
asked by kate 
Science
Choose the correct answer in parenthesis. 150 million years ago the continents were (closer together / farther apart) than they are now. South America and Africa used to be (together / apart). 100 million years into the future, the continents
asked by PHYSICALSCIENCE 
Socials Studies (URGENT)
1. Why did Canada go to war in Korea and why was this war significant for Canada and the UN? Went to Korea to aid the south against the north from communism. (Don't know why it was significant. Any help?) 2. Describe two instances which Canada influenced
asked by John 
Geometry
A rectangular prism with 2 little square bases of a radius of 1m. It's height or rectangular length is 5m. Please help me find the surface area. The answer should be less than 50m².
asked by Peter 
Math
John said that he had been working for the highway department for about 9.75 years. Which of the following could be the actual amount of time, in years, that John had been working for the highway department. f) 9.25 g) 9.35 h) 9.65 i) 9.95
asked by URGENT URGENT URGENT 
Math
Find all complex zeros for the following polynomial function. Please show all of your work. f(x) = x^4  91x^2  900 Hi, I need help... I'm not understanding this complex zero..
asked by CheezyReezy 
Math  Real number system
Solve the following equation in the real number system. Please show all of your work. x^4 + 6x^3 + x^2  24x  20 = 0 Help!!!!
asked by CheezyReezy 
English
Can you please check these two sentences? 1) He contrasts natural behaviour, which he regards as good to social behaviour, which was governed by reason and social conventions. 2) Long, lowneck Tshirts, which reach up to the tighs, are very popular among
asked by Henry1 
chemistry
Help! The concentration of a solution of hydrochloric acid is 1•00 ± 0•05 mol dm−3 and the volume is 10•0 ± 0•1 cm3. Calculate the number of moles and state the absolute uncertainty.
asked by Maya 
Spanish
Please unscramble these Spanish words mincara, carbaa, tauerdis, tagsur, suar, qarilaul, caars, sotrecnat, piormcatr, bajra, gelral.
asked by Madi 
math
perform the indicated operations 3 √66 √150
asked by Anonymous 
Math  potential zero
List all possible (or potential) rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely over the real numbers. Please show all of your work. f(x) = x^4  7x^3 3x^2 + 19x + 14 Help
asked by CheezyReezy 
physics
the 3 lb block A rests on a surface for which the coefficient of kinetic is Mk=.30 determine the distance the 8lb cylinder B must descend so that A has a speed of Va = 5ft/s starting from rest.
asked by jenny 
physics
the 2lb box slides on the smooth curved ramp. if the box has a velocity of 30ft/s at A, determine the velocity of the box and the normal force acting on the ramp when the box is located at B and C. assume the radius of curvature of the path is still 5 ft.
asked by jenny 
English
im studying the poem entitled 'Aunt Jennifer's Tigers' by Adrianne Rich and in a review of this poem they say that 'poets use of the word 'chivalric' refers to tigers stalking their domain' what does it exactly mean?
asked by Viola 
math
7x+5/0.4 + 53x/0.5 = 4x/0.25
asked by soumya 
English
Could you please check these adjectives referring to personality? Thank you very much. 1) I'm outgoing, sensible, sincere, touchy and hardworking. 2) I'm quite confident about myself. I'm anxious about next week's biology test. 3) If I were you, I'd study
asked by Henry1 
English
I forgot to add these two sentences. Thank you. I'm annoyed with his behaviour. I'm annoyed/irritated/angry with him about his behaviour (??). I'm bored with my present job/I'm fed up with my job/I'm tired of my job.
asked by Henry1 
Spanish
23. "¿Qué enviaste?" "_______" a. Una carta. b. un correo c. Una cuadra d. Un sello A? 25. Necesito comprar unos libros en español. Vamos ______. a. a la biblioteca b. a la estación de policia c. al estadio d. a la libreria D? 28. No tengo dinero. Creo
asked by mysterychicken 
AIG
WHERE CAN I FIND STUFF ABOUT MERMAIDS PLEASE HELP ASAP!!!!
asked by Mady 
Business Management
What is the difference between executive and non executive pay? Contrast the principle diff between executive pay with nonexecutive. What are the controversies associated with the growing disparity between the compensation packages?
asked by Nicole 
Statistics/Probability
Suppose it is known that a new treatment is successful the cases. If it is tried on 15 patients, find the probability [Use binomial distribution]. (a) at most 6 will be cured (b) twelve or more will be cured (c) at least two will be cured.
asked by LadyJustice85 
Algebra 1
X^214x+3=10 Ineed to know how to find the discriminant quadratic formula and by tabe and graph it Please help me
asked by David 
operating system
Two processes communicating using (memory locations “variables” or files).
asked by JJ 
algebra
(a) A graph of is shown in the figure, where y _ L(x). As the weight of the plane increases, what can be said about the length of the runway required?
asked by logan 
Algebra 2/ trig
sin theta= 7/25, 0< theta < pi/2 cos beta=8/17, 0, beta, pi/2 Find(theta+ beta)
asked by Stephanie 
Physics
An Electricity account shows that a household has used 1400 units of electrical energy during a three month period. Calculate : a)the number of joules of energy used in this time. b)the average number of joulesof energy used perday . c)the average power
asked by Nelly 
trig
2cos^2+sin=1
asked by Anonymous 
Biology
Wha advantage could the following traits be to the organism ? a) Larger leaves b)Green Leaves c) More seeds d) Brightly coloured flowers
asked by Nelly 
english
I am stuck with being able to complete this assignment and I was wondering if some1 could help me with it. I don't (can't) fail this 1. I already completed my english assignment but I totally bombed it and they want me 2 complete this assignment 2 b able 2
asked by Anonymous 
Anatomy
Describe how air is modified by the nasal passages, and describe the special structures that allow this modification
asked by sean 
Anatomy
Describe how olfaction is accomplished by the nasal passages
asked by sean 
Anatomy
Describe 4 lung volumes that are measured by a spirometer
asked by sean 
Anatomy
Describe each part of the respiratory passage regarding tissue, and why that tissue would be appropriate for that area. THANK YOU!
asked by sean 
Science
150 million years ago the continents were (closer together / farther apart) than they are now. South America and Africa used to be (together / apart). 100 million years into the future, the continents (are / are not) in the same positions as they are now.
asked by sciencehelpplease? 
Health
What would be the change in the heart that occurs during excersise? What is going to pick up and increase in heart rate and blood pressure? What is going to bring it back to homeostasis?
asked by Tayllor 
MAth
8  12 + 28 + 4(3)
asked by Gio 
math
help! im just a seventh grader! i need a problem made up for me about how to solve the surface area of a Dodecahedron so i can help see if my theory is right or wrong!
asked by raquel 
History
Is the White Australia Policy and the Immigration Restriction Act the same or different?
asked by History 
Math
Use the given information about a polynomial whose coefficients are real numbers to find the remaining zeros of the polynomial. Degree: 6 Zeros: 6 + 13i^3, 8 + s^2i, 3  4i
asked by CheezyReezy 
MATH
WHAT IS 2/6 OF $60
asked by IMMANUEL BROWN 
Political Science
Can anyone help me connect how the movie Robocop connects to Fascism?
asked by John 
science
unsramble LMDEAIOTBNCL
asked by junior 
math
simplify 5d+3(23d)
asked by whitney 
life orientation
critical discuss human or environmental problem impacts on the community
asked by junior 
chemistry
what are some examples of suspensions?
asked by madison 
algebra
find the quotient y^4+3y1/y^23
asked by mema 
chemm.
how many significant figures are in 9.800x10^4 ?
asked by Danbee 
3rd gr math  Tenths
Question reads....Explain how to find the mix number and decimal for nine and one tenth. Please help.
asked by Alexis 
math
rationalize the denominator 10/√21
asked by Anonymous 
Body Structures & Functions
The blood level of the brain gets the messeage and sends a releasing factor for_________ to the ________ gland.
asked by Scott 
Physics
Can someone plz answer my 2 previous question ???
asked by Nelly 
english
What is the epigrammatical style in poetry? And what could be the examples of it in the work of Emily !@#$%^&inson?
asked by Rebecca 
geometry
Why do only three types of regular polygons tesellate the plane and what are they?
asked by Missy 
PreCalc
How do I solve this equation? x+5 = sqrt(x+5)
asked by AvgJoe 
Statistics
1. The sociologist surveyed the households in a small town. The random variable X represents the number of dependent children in the households. The following is the probability distribution of X: X 0 1 2 3 4 P(X) 0.07 0.20 0.38 k 0.13 (a) Find the missing
asked by LadyJustice85 
computer science
Give five difference between hardware and software?
asked by Shantanu 
Science
How does respiratory and cardiovascular system obtain nutrients?
asked by mercedes 
algebra
how to multply and divide rational expressons is their a free website i can go on that will show it step by step and give me an answer???
asked by cali 
math
A cat owner wants to put equal amounts of food into dishes. If she has 3as a hole number. 2 over 3 as a fraction unces of cat food how many ounces will each food dish get
asked by ashley