Questions Asked on
March 20, 2010

8th grade
what is the answer to what do you call drilling 4,876 holes?
asked by Anonymous 
physics
An athlete whirls a 7.50kg hammer tied to the end of a 1.1m chain in a horizontal circle. The hammer moves at the rate of 1.3 rev/s.(a) What is the centripetal acceleration of the hammer?(b) What is the tension in the chain?
asked by Luricela 
Math
The maximum weight M that can be supported by a beam is jointly proportional to its width w and the square of its height h, and inversely proportional to its length L. a. Write an equation that expresses this prportionality b. Determine the constant of
asked by Jennifer 
College Chemistry
Given: 2Al2O3 (s) 4Al (s) + 3O2 (g) °H = 3351.4 kJ, what is °H for the formation of 12.50 g of aluminum oxide? Help please.
asked by Taylor Marie 
Science
Describe the difference in the annual temperature range between a coastal region and an inland region.
asked by Anonymous 
Chemistry
Write the structure of the hemiacetals that results from the following reactions: 1)2butanone + 1propanol 2)butanal + isopropylalcohol I got this for #1: CH2COCH2CH2CH3 with an OH on the single C and the CH2CH3 on the single C. I don't know how to do
asked by Jamie 
fractions
7 children are waiting for the bus 4 of them are girls what fractions of the children are girls
asked by billie 
Organic chemistry
When synthesizing nbutyl bromide by allowing nbutyl alcohol to rect with sodium bromide and sulfuric acid what are the formulas for the salts that may precip. when the reaction mixture is cooled?
asked by Tammy 
physics
a square window for viewing fish at the camden aquarium measures 80 x 80cm & its center is 12 m below the surface of the water. what is the total force on the window?
asked by john 
physics
an object floats with 1/2 of its volume beneath the surface of the water. the weight of the displaced water=2000 N. what is the weight of the object?
asked by john 
Calculus
An isosceles triangle has a vertex at the origin. Determine the area of the largest such triangle that is bound by the function x^2 + 6y = 48. So, y=8 when x=0 making a vertical side equal to 8. I also determined that there is a zero at =/ the square root
asked by Jeff 
math help
Tony is driving to Denver. Suppose that the distance to his destination (in miles) is a linear function of his total driving time (in minutes), as shown in the figure below. Tony has 67 miles to his destination after 35 minutes of driving, and he has 55.6
asked by Anonymous 
physics
What hanging mass will stretch a 1.6 meter long, 0.66cm diameter steel wire by 1.4cm.? Need answer in kg. ( this is all that is in the question , no other hints given).
asked by norm 
Biology
Match the terms with the correct description: a. regulates supply of gases from ATP production b. provides negative feedback signals c. protects body against foreign dangers d. "rapid transit" for liquids and gases e. primary "regulator" of sensory
asked by mysterychicken 
English
1. This book is really fun. 2. This book is real fun. 3. This book is great/good fun. (I have a question. You said #1 and #2 are right, but that #2 is not right. What about 'good' fun? Is it right to use 'good fun' instead of 'great fun'? If #3 is right,
asked by rfvv 
y912f
I think I remember you wrote a short essay on this, and I commented that the economics is silly. Here is one the payback period is 88 years, but the panels only last 30 years. This is typical.
asked by bobpursley 
chem
What three things does a balanced equation show you
asked by wendy 
Physics
The refractive index of a medium changes with the wavelength of incident light. Typically, the shorter the wavelength the larger the refractive index. Fused quartz has a refractive index of 1.47 for indigo light of 400 nm in wavelength, and a refractive
asked by Samantha 
Math/157
A human gene carries a certain disease from the mother to the child with a probability rate of 53%. That is, there is a 53% chance that the child becomes infected with the disease. Suppose a female carrier of the gene has three children. Assume that the
asked by anony 
crt205
1. Since some grapes are purple, and all grapes are fruit, some fruit is purple. a. Valid. b. Sound. c. Inductive (strong). d. Inductive (weak). e. This is an explanation We are going to look at lots this afternoon.â€ Which of the following is the
asked by NancyM 
Math
Carrie and Crystal live at a equal distances from school. Carries walks to school at an average rate of 3 miles per hour and Crystal rides her bike at an avergae rate of 9 miles per hour. It takes Carrie 20 minutes longer than Crystal to get to school. How
asked by David 
math
trying to find the missing angle of 45degrees and 160 degrees?
asked by Velinda 
fractions
There are 16 tulips in the garden 1/4 of them are red how many tulips are red
asked by billie 
Geography
24. The South African government changed its policy of apartheid in 1990 and 1991 because of a. the policy's failure to eliminate racial discrimination b. promises of economic aid from major industrial nations c. international sanctions and an increase in
asked by y912f 
Math!
Rebecka borrowed $3500, 5000, 3500,& 4500 from her dad on September 1 of each of four successive years for college expenses. Rebecka and her dad agreed to a loan at the rate of 8.75% compounded quarterly. If it is now 2 years from the last day that she
asked by Thara! 
Social Studies
What is a good thesis statement about the Great Depression Speculation?
asked by Jerett 
bsa 375
Why is a systems development process needed? What is the objective of each phase of the SDLC? Describe briefly? How important are feasibility studies. The text mentions four types of feasibility studies: operational, technical, economic, and schedule. In
asked by darren 
fractions
There are 15 cupcakes 5 cupcakes are chocolate what fraction of the cupcakes are choclate
asked by billie 
Chemistry
A student performed the synthesis of aspirin using a water bath at 90C instead of 50C. The final product was tested for the presence of phenols with ferric chloride. This test was negative (no color observed); however, the melting point of the dry product
asked by Sunny 
physics
a graphic artist is craeting a a logo for her company's website. in the graphicics program she is using , each pixel in an image file has coordinates (x,y), where the origin(0,0) is at the left top corner of the image, the xaxis points to the right and
asked by khalipa 
statistics
An employer wants to estimate to set a time limit so that 75% of the employees will finish a job on time. Past history has shown that the time required to do the job is normally distributed and has a mean time of 26 minutes with a standard deviation of 5
asked by mocha 
algebra
A wheel makes 4 17/20 revolutions per minute. If it rotates for 48 minutes,how many revolutions does it make?
asked by Kevin 
Biology
18. The function of neurons is to a. maintain a difference in electrical charge across the cell membrane b. have specific ions cross the membrane through ion channels c. maintain a membrane potential with charged ions on either side of the cell membrane d.
asked by mysterychicken 
Crt 205
I need some help with a few questions on my homework. 1)The Lakers almost didn't beat the Kings. They'll never get past Dallas. (Assume that in fact, the Lakers beat the Kings.) a. Valid. b. Sound. c. Inductive (strong). d. Inductive (weak). e. This is an
asked by NancyM 
Maths 2U
how do you find the horizontal and vertical assymptotes of the curve y= x/ x+3 and also the intercepts. so that you can approximate the area under the curve from x=1 to x=5 using 5 function values? THANKYOU,
asked by TRACY888 
World History
"Why did farming start at different places and at different times around the world?" Refering to 7000 BC or so! I already have the answers to the second part of the question, How did farming start, but I want to see if I'm on the right track with the
asked by Sara 
physics
a rectangular box measures 5 x 1 x .5 m. what mass may be loaded in it (including the mass of the box) before it sinks in a lake?
asked by john 
Chemistry
What aldehydes and primary alcohols might be oxidized to yield the following carboxylic acids: 1)pmethylhexanoic acid 2)pentanoic acid #1 should have been pmethylcyclohexanoic acid (p is para). My homework has the structure drawn out and I named it
asked by Jamie 
Physics
Consider the currentcarrying wires in the figure. I can try to describe the figure here..  Diagram A has the wire coming from the left, it forms a loop in the centre in a clockwise direction and leaves going to the right.  Diagram B has the wire also
asked by Sandra 
Word Problem
A swimming pool 25 m long, 15 m wide, and 150 cm deep is being filled at the rate of 20 L/min. How many hours will be needed to fill the pool?
asked by Lyndse 
latin
the latin base in the word versatile means: a}to feel b}to prick c}to turn d}to have p.s.help plz
asked by beonca 
algebra
I need to find a solution by substitution method
asked by cynthia 
physics
An 7.95 g bullet is fired horizontally into a 9.03 kg block of wood on an air table and is embedded in it. After the collision, the block and bullet slide along the frictionless surface together with a speed of 11.6 cm/s. What was the initial speed of the
asked by Jess 
math of investment
Suppose the probability of a coin coming up heads is 2/5. The coin is tossed 4 times (the tosses are independent), and Jane will win $5 for each head. If all 4 tosses are heads, she will get $100 extra. She never loses money. a)what is the probability that
asked by Anonymous 
Algebra
Suppose it takes 3 days for a space vehicle to travel from earth to the moon. How long for the same vehichle and the same speed to reach Jupiter? Moon distance from earth is 240,000 miles. Jupiter distance from earth is 391,000,000 miles
asked by TAnya 
Accounting
using the financial statements of landry's restaurant located in appendix a of the text fundamentals of financial accounting 1st ed by phillips libby and libby compute the following ratios for 2002 and 2003 a. Return on Equity b. Inventory Turnover I
asked by Chris 
research writing
write a essay on, why health care policies are likely to continue in their existing downward spiral. My claim is that placing health care under private directors will bring a severe decline in medical care for the elderly and/or poverty stricken people. I
asked by dana 
Math
Hi these are the problems I attempted, can someone tell me If I did them correctly? Thanks in advance3 Jane has invited 126 people for a pizza party. If each pizza has 18 slices and she estimates that she needs 3 slices per person, then how many pizzas
asked by Tasha 
algebra
The volume of a sphere is given by V=4/3pie cubed. What happens to the volume of a sphere if r is halved?
asked by Steffy 
business law
please can you help me in this: Ethical Systems Table 1. Fill in brief definitions of each primary ethical theory. 2. Identify alternate names or variations of each ethical system based on your reading of the text and supplemental materials. Match the
asked by bluesea 
math
Two marbles are drawn from a bag containing 6 white, 4 red, and 6 green marbles. Find the probability of both marbles being white.
asked by purple 
Chemistry
How much copper could be produced if 5.00g of iron was used with 16.00g of copper (II) sulfate pentahydrate?
asked by Janet 
Chemistry
What aldehydes and primary alcohols might be oxidized to yield the following carboxylic acids: 1)pmethylhexanoic acid 2)pentanoic acid
asked by Jamie 
Stress factors
If a child or teenager is living under poverty and struggles in elementary or high school, what kind of stress are they going through?
asked by AL 87 
physics
calculate the total pressure at an ocean depth of 6000 m (the depth at which the wreck of the titanic was found) in both pascals & lb/in^2
asked by john 
Biology
18. The function of neurons is to a. maintain a difference in electrical charge across the cell membrane b. have specific ions cross the membrane through ion channels c. maintain a membrane potential with charged ions on either side of the cell membrane d.
asked by mysterychicken 
10th grade Math
Triangle POB has vertices: P(0 , 4) O(3 , 0) B(3, 0). Determine the orthocentre of the triangle.
asked by Jenny 
computer
list at least five netiguette rules,and explain why they are important
asked by mary 
math
Find the variation equation for the variation statement. z varies directly as x and inversely as y; z = 3 when x = 24 and y = 40
asked by Anonymous 
math
something that looks like a equilateral triangle
asked by victoria 
Math
How do I find the volume of a sphere inscribed in a cube with each edge 4 cm
asked by Anonymous 
Math!
Dalya is considering two offers on a property that she is willing to sell. Mr.Wangs offer is $65000 payable immediately. Ms.Macrae's offer is for $13,000 down and $58000 payable in two years. a) Which offer has the greater economic value if Dalya can earn
asked by Thara! 
fractions
12 dogs were in the park 2 of them were dalmatians what fractionsof the dogs@were dalmatians
asked by billie 
acronym
Which of the following is an acronym? a}MADD b}FCC c}NBA d}EKG what u think?
asked by beonca 
algebra
how do I break this down? 4x7
asked by bob 
cjs 230
difference between the conventional forms of rehabilitation programs and the newer programs of today
asked by Anonymous 
math
write the first three terms of the expansion of (ab)^10 what are the last three terms of (ab)^7
asked by purple1 
computers
Average typing speed for middle school
asked by shannon 
earth
in the layer ofsedimentary rocs the oldest can be find in where
asked by ana 
Math
1)What is the domain of f/g? f(x) = x/x+1, g(x) = x^3 all real numbers greater than 1. Am I correct? 2) Find f x g, g x f, and f x f f(x) = 3sqrt x1 g(x) = x^3+1 For the f(x) the 3 is little above the sqrt sign. I do not understand how do fidn these.
asked by Hannah 
Communication Language Studies
How might the language development of a child exposed to two or more languages in the home differ from that of a monolingual child? In what ways might their development be similar?
asked by Tammie 
English
Hey, Any ideas on how to make your own fairytale? I've already started but all i have is a couple of random paragraphss. I wasnted to make it instead of a happily ever after the hero leaves the heroin, but i want them to both have a strong love. And I
asked by Me 
physics
an objectfloats in water with 3/4 its volume below the surface of the water. if the volume of the object is 1 m^3, what is the mass of the object?
asked by john 
nutrition
Jack Sprat is a 55 yearold gentleman who underwent coronary artery bypass graft to treat atherosclerosis. He returns to his internist's office where you work as a nurse practitioner. Jack reads a lot of books and watches movies about fast foods, saturated
asked by Anonymous 
math
could someone help me to put this inorder from smallest to largest: .25, 1/4, 1/25, .10, .0001, 1/1000 or if this is correct 1/1000, .0001, 1/25 (=.04), .10, .25, 1/4 (=.25), thank you for your help
asked by st 
Math!
What amount 18 months ago is equivalent to $2300, 1.5 year from now if money earn 7% compounded monthly during the interving time? i know: FV=$2300 j=7% m=12 and ?n=36? i=7%/12 PV=FV(1+i)^n PV=2300(1+.07/12)^36 PV=1865.48 The answer is $1865.45 What i
asked by Thara! 
Communication Language Studies
Supply rhyme (Given a word "fish", offering "dish") Totally confused, may be it is just me, but I am not understanding what is asked for here? A rhyme? If so, referring to those words? If so, I am stil lost Please help. Thanks!
asked by Audrey 
math 12
How many different binary numbers can be present by a string of binary code with 5 digits if the first digit is 1 and the last two digits are 0?
asked by Juliet 
Chemistry
Could someone tell me how I would write out trimethylammonium butanoate's structure? I think the butanoate part is CH3CH2CH2C=O but I don't know how to add the trimethylammonium part to it.
asked by Josh 
ScienceReview
What is one really easy way to remember about the moon's phases, because it is really hard for me to memorize about them.
asked by Sara 
religion
is mohammed the same has muhammad? because I can not find any info, on mohammed for my paper i have to do
asked by scooby 
law
Which one of the following is an example of a leading question? 1. What time did you administer the medication? 2. How long have you worked at West End Hospital? 3. Did you see Dr. Martin in the patient's room on the morning in question? 4. Isn't it true
asked by Marie 
Math
trying to figure the length of a right triangle when the other two sides are 17 and 15?
asked by Velinda 
7th grade social studies
what types of plans or previous forms of government can james madison call apon to dragt the constitution of the united states?
asked by mary 
math
Divide as indicated. (2x^5  x^3 + 4x^2 + 58x  20) ÷ (x^2  5)
asked by Anonymous 
Algreba
Solve the equation for the specified variable. A= 1/2h(B + b) for b
asked by Mala 
Math! plz help!
Rebecka borrowed $3500, 5000, 3500,& 4500 from her dad on September 1 of each of four successive years for college expenses. Rebecka and her dad agreed to a loan at the rate of 8.75% compounded quarterly. If it is now 2 years from the last day that she
asked by Thara! 
Image Search (URGENT)
Can someone please tell me how I would be able to find 19th century (18151901) pictures of canadian landscapes such as: architecture (houses, churches, towns, cities) transportation (roads, cars, rails, bridges) farms native villages industry recreational
asked by John 
High School Science
A ray of light goes from water (nwater=1.333) into ice (nice=1.309). Which of the following statements is true? 1) The ray gets closer to the normal after crossing the interface. 2) The ray does not change directions after crossing the interface. 3)The ray
asked by Erik 
algebra
what are the xintercepts, and the yintercepts and the foci of the ellipse x^2/25 + y^2/36 = 1
asked by Paula 
algebra
what is the equation of the ellipse with goci at (0,4) and (0,4) and the sum of its focal radii being 10?
asked by Paula 
algebra
what are the xintercepts, the extent of the graph and the asymptotes for x^2/16y^2/25 = 1
asked by Paula 
us history
modern world peacekeeping organization
asked by hassan 
Math
Find the shaded area in the following figure if the rectangle inscribed in the circle has dimensions 3 ft x 4 ft. I know I find the area of the rectangle A=l*w, but what do I do next? I know that the Theorem of Pythagoras, 3^2 + 4^2 = d^2. So I can find
asked by Anonymous 
us history
systematic widespread effort to manipulate people`s ideas
asked by hassan 
Math
Simplify that rational expression. Please show the steps x^38/x^24
asked by Anonymous 
Algebra
Simplify the following: 4st/3s(squared) divided by 12tsquared / 9s
asked by Steffy 
11th grade
what is the systematic widespread effort to manipulate people`s ideas
asked by hassan 
back formation
An example of backformation is: a}persuasive b}conciliator c}sensitize d}escalate the answer i choose is d.
asked by beonca 
bobpursley
Can you please answer my last post? Thanks MC
asked by mysterychicken 
ETH125
conduct research to determine if the group colonized or if it immigrated to the United States. Did the group face prejudice, segregation, racism, or any combination of the three? If so, how and Why? Include your research findings in your essay. You may
asked by michelle 
math
find the sum of each of the following infinite series, if no sum, write no sum. 93+11/3+1/9... 1/2+1+2+4...
asked by purple1 
french
What does solde A Payer Mean
asked by Karen 
math
what is right angle
asked by pavleen 
MATH
what is a triangle
asked by PAVLEEN 
math
Suppose a contest offers $1000 to the person who can guess the winning four digit number. How many possibilities are there?
asked by purple 
physics
Determine the net force necessary to give an object with a mass of 1.8 kg an acceleration of 5.7 m/s2.
asked by Michelle 
Language Studies
Identify some caregiver activities that might foster metalinguistic skills in children, and explain why they might be effective.
asked by Carmin 
Accounting
using the financial statements of landry's restaurant located in appendix a of the text fundamentals of financial accounting 1st ed by phillips libby and libby compute the following ratios for 2002 and 2003 a. earnings per share b. return on Equity c.
asked by Denny 
Language Arts
What are the other forms of the word, 'reap'. I only found reaps and reaped.
asked by Anya 
adult education
you are a CEO at a human service Agency, who just took over another small human service agency. Now convince the board of directors why you need a new mission statement
asked by importance of writing a new mission statement after taking over a small human service agency 
402 soc
How does the politicaleconomic system affect the problems related to the American economy and work?
asked by meshelle 
japanese
How would you say: next month on April 14th I am going with my parents on vacation to Hawaii. In katakana and hirgana only please.
asked by Kate 
What does this mean....
“Sometimes you put walls up not to keep people out, but to see who cares enough to break them down.”
asked by Anonymous