Questions Asked on
August 29, 2013

Physics
Consider a radioactive sample with a halflife of one week. How much of the original sample will be left at the end of the second week? The third week? The fourth week?
asked by Tracee 
chemistry
Suppose you are asked to find the area of a rectangle that is 2.1cm \rm cm wide by 5.6cm \rm cm long. Your calculator answer would be 11.76 cm 2 \rm cm^2 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not
asked by Lindsey 
Calculus
You have just opened a new nightclub, Russ' Techno Pitstop, but are unsure of how high to set the cover charge (entrance fee). One week you charged $9 per guest and averaged 165 guests per night. The next week you charged $10 per guest and averaged 150
asked by Sydney 
College Physics II (CalcBased)
In stateoftheart vacuum systems, pressures as low as 1.00 x 10^9 Pa are being attained. Calculate the number of molecules in a 1.90m^3 vessel at this pressure and a temperature of 35.0°C. Okay. So I know I have to use the Ideal Gas Law, PV = nRT, I
asked by Andrew 
Reading
All of the following statements about reading skills are true EXCEPT: A. Different activities require different types of reading. B. It is not always necessary to perform a thorough reading. C. It is best to use skimming when you look for specific
asked by Vickie 
world history
1. How does the story of CocaCola relate to the rise of capitalism and entrepreneurship in the 19th and early 20th c? 2. what is the "iron curtain"?
asked by lena 
chemistry
If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.
asked by joe 
Physics
A stone is thrown vertically upward with a speed of 19.0m/s How fast is it moving when it reaches a height of 10.0m
asked by Lindsay 
economics
explain why you are willing to supply the most bicycles at the highest price.
asked by Tiffanie 
English
What does architecture represent in the poem beowulf?
asked by Christopher 
Maths
Is (0, 3) a solution to the equation y = x + 3? I think yes. Is (1, −4) a solution to the equation y = −2x? I think no 3. Look at the following points. (4, 0), (3, −1), (6, 3), (2, −4) Which are solutions to y = x − 4? Choose all correct answers.
asked by Jman 
algebra
One hundred twentyfive tickets have been sold for an event at a local theater. If this represents 25% of the capacity for the theater, which of the following is the capacity? A. 156 B. 375 C.410 D. 500
asked by Cisy 
math
Titus deposited $1,508.49 in a savings account that earns 4.2% simple interest. What will Titus's account balance be in 8 months?
asked by Brittany 
chemistry
If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.
asked by joe 
pharmacy compding
how much active ingredient is needed to compound 18 lollipops if the formula is 5% active ingredient, 168g sugar,60ml Karo syrup (weighs 84g),60ml water. each lollipop should have 5% active ingredient
asked by mae 
math
Hi my son has a very hard time with math.I'm his mom and I'm not good at math.so I'm hoping that I can get help here cause I can't afford a tutor.please help him
asked by azionte 
physics
you walk north for 2.5 miles. Then you walk east a distance of 3 miles. How many miles from the starting point are you?
asked by Abdullah 
REC120
Khaldun's hierarchy of desires theory, what element is found at the pinnacle of the pyramid? Desires related to spirituality or Desires related to leisure or Desires for affiliation or Desire for safety or Desire to meet bodily appetites I think it is
asked by Jazmyne 
Math
420,983 +39,932 Estimate then find the sum
asked by Sue 
algebra
A person invested 20,000$ in stocks and bonds. Her investment in bonds is 5,000$ more than half her investment in stocks. How much did she invest in stocks? how much did she invest in bonds?
asked by Haley 
Finance
You wish to leave an endowment for your heirs that goes into effect 50 years from today. You don’t want to be forgotten after you pass so you wish to leave an endowment that will pay for a grand soirée yearly and forever. What amount would you like
asked by Tameika 
5th grade math help
my mommy and daddy cant explain explain what is wrong with the reasoning number 5 is a composite number because it has the factors 2 and 2.5 i know its a prime number but i cant explain the answer to the question above.
asked by daniel 
math last one help
sally drew a factor tree of a composite number and ended up with 4x4x5x5x3 as the prime factorization. explain what is wrong with this factorization 1. what is the correct prime factorization? 2. what is the composite number that was factored?
asked by daniel 
English
I am doing my summer reading for 9th grade reading assignment & need to write about 10 passages from a variety of literary terms. Could you explain some of these terms?
asked by Valerie 
Fractions,Decimals,Percents
4/5=0.8=80% 27/100=0.27=27% 3/20=0.15=15% 8/9=0.88=88% 9/1000=0.009=00.9% 21/50=1.42=142%
asked by Jerald 
Maths/Physics
An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). I know that a = 5m/s/s but I need to know at what metre within the run would maximum acceleration occur. Appreciate
asked by Melody 
physics
The chain is released from rest with a length b of overhanging links just sufficient to initiate motion. The coefficients of static and kinetic friction between the links and the horizontal surface have essentially the same value, μ. Determine the
asked by lovely 
math
Describe the difference between an open equation and a closed equation. And on my last quest did steve mean 4,0 and 3, 2?
asked by Jman 
reading
Which of the following statements about learning styles is false? A. An individual should study using techniques that utilize his or her preferred learning style. B. It is easier for an individual to learn using his or her preferred learning style. C.
asked by Vickie 
accounting statistics
Find the balance at the end of 6 years of $5000 investment in an account with a nominal annual rate of interest of 2.5% compounded quarterly over the first two years and then grows according to nominal annual rate of discount of 6% convertible monthly over
asked by JM 
geometry
Rhombus RHOM with acute angle H
asked by Kashmir 
Latin Practice
Will you please give me extremely basic sentences that I have to translate into Latin using direct objectums?
asked by Bryce 
physital sciene
How much force is exerted on a sled if the mass of the sled is 65 kg and the acceleration is 4m/s2
asked by jjessica 
insurance
Ordinary life insurance is another term meaning the same thing as: A. term life insurance. B. decreasing term insurance. C. whole life insurance. D. level term life insurance. i think c?
asked by Vickie 
Calculus
Differentiate: y=sin(2z)+cos^2z
asked by Madison 
reading
When trying new study techniques that appeal to your strongest learning style, you should expect which of the following? A. Learning will become more enjoyable and rewarding. B. You will see instant results. C. Both A & C. D. It will be challenging at
asked by Vickie 
EDU352
What are five to seven movements in the field of educational technology that you believe the K12 large, urban school district should pay attention to. Thank You,
asked by Jake 
Algebra
What is the difference between an open equation and a false equation?
asked by Cassie 
CHEMISTRY HELP! D;
1.Br2(g) + ___H2O(l) + ___SO2(g) > ___HBr(aq) + ___H2SO4(aq)
asked by Unknown 
Reading
What should you do before you begin reading? A. Review the introduction and conclusion. B. Ask yourself questions about what lies ahead. C. Study graphic aids. D. Both A & B. I think its A...?
asked by Vickie 
trig
if 60 m of fencing is available for a rectangular garden, one side of which is against a barn, what areb the dimensions of the garden that will give the maximum area?
asked by Anonymous 
Grammar
Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any
asked by Anonymous 
AP Physics
#2 A spy stands on the sidewalk by an apartment building examining a foreign embassy across the street. The spy then climbs 30 m to the top the building and then slides 40 m along a wire at a 20° angle below right to reach a window on the embassy. What is
asked by dilated 
math
Joe and his 7 friends share 3 liters of juice how much juice each friend gets
asked by cris 
physics
A commuter backs her car out of her garage with an acceleration of 1.6 m/s2. How long does it take her to reach a speed of 2.3 m/s in seconds
asked by M 
science
2 students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden. What is an unavoidable error they can make during this process?
asked by Paula 
Algebra 2 Reiny!
Find the point of intersection. (9/100)(x10)^2+9=(1/24)(x12)^2+6 I don't understand how multiplying y = (1/2)(x12)^2 + 6 by 600 would yield 25(x12)^2 + 3600 ? Is it supposed to yield 300x^2+7200x43,200+3600?
asked by Anonymous 
Algebra 2
Find the point of intersection. (9/100)(x10)^2+9=(1/24)(x12)^2+6 I don't understand how multiplying y = (1/2)(x12)^2 + 6 by 600 would yield 25(x12)^2 + 3600 ? Is it supposed to yield 300x^2+7200x43,200+3600?
asked by Anonymous 
Algebra 2
Find the point of intersection. (9/100)(x10)^2+9=(1/24)(x12)^2+6 I got (16.6,0.04).
asked by Anonymous 
chemistry
You add 6.4g g of iron to 27.80mL mL of water and observe that the volume of iron and water together is 28.61mL mL . Calculate the density of iron.
asked by Anonymous 
Chemistry
Why does a pound of feathers float, but a pound of lead sink? Is it because of how dense each group is?
asked by Serena 
palomino intermediate
Math? If a circle has a diameter of 42in what is the radius
asked by azionte 
math (long div.)
please help me solve long division :( 1.)8 divided by 6984 (0.00114548) 2.)48 divided by 7584 (0.00632911) 3.)35 divided by 19933 (0.00175588) I know the answer to all of them but I don't know how to solve it the long way .
asked by ty 
pRE ALGEBRA
PROBLEM:A BALL WAS DROPS 27 INCHES AFTER THE FIRST SECOND AND THIRD BOUNCE THE HEIGHTS WERE 18 12 AND 8 hOW MANY DID IT TAKE TO GET TO 3 INCHES
asked by ShadowKitty 
math
the blueprint for landscaping a yard has a scale of 1/2'' to 1 foot.If the blueprint is a rectangle 18 inches by 22 inches, what are the dimensions of the yard?
asked by emily 
Math
There are two main classes of individuals who can affect the outcome of an experiment: Those who could influence the results Those who evaluate the results When all the individuals in either one of these classes are blinded, an experiment is said to be: A)
asked by Jennifer 
math
jim has a box in the shape of a rectangular prism. The area of the base of the box is 48 square inches. The volume of the box is 144 cubic inches. Let h = the height of Jim's box. Write and solve an equation you can use to find the height of Jim's box.
asked by haley 
Math, HELP!! URGENT!
Please Simplify: (1/8)(40v−24y)−(1/7)(21v−35y+9)−(1/6) (1/11)(55x−22)−(1/2)(18x−2v)
asked by Lucas 
MGMT303
1. (TCO 2) Organizations have both an internal and an external environment. Describe the general environment and give at least one specific example of each dimension, other than the examples given in the text and in the lectures
asked by Simon 
Algebra I
how do I graph the quadratic function in intercept form for y=(x+3)(x5)
asked by Ceedee 
Science
stubborn: _____________ :: lively:animated
asked by Gracie 
Physics
An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou.
asked by Melody 
Algebra Two
Use Interval Notation to define each interval: All real numbers at least 5 units from 8.
asked by Amy 
math
An investment earned interest of Php2,100 at the end of 3 years. How much was initially invested at 8% simple interest?
asked by joan_asap 
physics
the rubber cord of a sling shot has a cross section 2.0 millimetre squared, and an initial length of 20 centimetres. The cord is stretched to 24 centimetres to fire a small stone of mass 10 grams. Assuming that elastic limit is not exceeded, calculate the
asked by karok 
Chemistry
Heat 1kg of CaCO3, get 560g of CaO. Write the reactant equations and solve the mass of CO2 that born. The CaO is 100% pure. Anyone help me, pls?
asked by Melly 
psych/600
can anyone help me with the course for Axia college University of Phoenix
asked by bejeweled 
Math
3/101/10+4/10=
asked by Kirk 
budgeting
Emilio is employed as fulltime mechanic in the service department of an auto dealer. In his spare time, he draws political cartoons and sells them to the weekly newspaper in his home town. He is paid $35 for each cartoon, which amounts to an additional
asked by Vickie 
algebra
what is perimeter of a rectangle when the length of g + 8 units and width of g  6 units
asked by Anonymous 
budgeting
Which one of the following statements best describes what a budget is? A. A method of figuring out the inflation rate. B. An organized plan for spending money. C. A way to keep people from really enjoying life. D. A plan for saving money. I think its
asked by Vickie 
math
Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 42 hours and earned $484. What is his normal hourly rate?
asked by Kelsey 
budgeting
After you have set your budgetrelated goals, the next logical step is to: A. figure out your expenses. B. make a budget worksheet. C. figure out your expected disposable income. D. try out your budget for a couple of months.
asked by Vickie 
Please help biol
Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates
asked by Talan 
Geometry
How do you do the problem 4k+7(42k)=2(k2) Please help me I keep trying and can't get the right answer thankssteph
asked by Stephanie 
budgeting
Financial advisors generally figure that one's disposable income will be _____ percent (%) less than the gross income. A. 5  10 B. 10  20 C. 20  30 D. 40 – 50 I think its A or B because usually its 10%....
asked by Vickie 
economics
explain how and why this affects the quantity of ice cream cones demanded by consumers.
asked by Tiffanie 
Grammar
When do you use... Replace with Replace for
asked by Anonymous 
budgeting
Jamal currently earns $20,000 a year in gross wages. On January 1, he is due to receive a 2% COLA. What will his gross income be after the COLA takes effect? A. $19,600 B. $20,100 C. $20,400 D. $24,000 I think its c...
asked by Vickie 
college algebra
how to solve this x^214+49=16
asked by jordan 
AP Chemistry
A 12 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 27.6 g. What was the mass of iron in the sample of ore? Answer in units of g
asked by Gabriella 
Algebra 2
prove or disprove the following statement. Irrational numbers of the form a+√b are closed under multiplication where a and b are natural numbers
asked by Moore 
math
joshan bought 78 stickers she bought 4stripsof 10 and some singles how many singles did he buy
asked by sam 
math
if 60 m of fencing is available for a rectangular garden, one side of which is against a barn, what areb the dimensions of the garden that will give the maximum area?
asked by christine 
math
one positive integer is 3 more than another. the difference of their reciprocals is 1/6. find the twonumbers.
asked by christine 
Math: please help
what is an equation of the line in slope intercept form? m=2/7 and the yintercept is (0,12) A.) y=2/7x+12 B.) y=2/7x12 C.) y=12x2/7 D.) y=12x+2/7 I think the answer is C or D. I help. I don't really know how to do it. Thank You.
asked by Cassie 
Chemistry
Styrene is a hydrocarbon. If .438 g of the compound is burned and produces 1.48 g CO2 and .303 g of H2O what is the empirical formula of the compound?
asked by Anonymous 
Precalculus
Solve for a. a/a+5  2 = 3a/a+5
asked by B 
MATH I NEED HELP
1.If f (x)= square root x^2 1 and g (x) = square root x1 , which expression represents f (x)/g(x) for x >1 ? A. square root x1 B. square root x C. 1 square root x+1 D.square root x+1 My answer was D. 2. f (x)=x^2 +3 upward 10 units A. g (x)= (x +13 )^2
asked by Queta 
perimeter understanding
What is the perimeter of the quadrilateral rectangle with. 25cm up and down and 8 cm across
asked by azionte 
Algebra 1
Rewrite the following equation in slopeintercept form x5y=5
asked by Sergio 
MATH
You have a bag of marbles containing 13 red marbles, 8 green marbles, 7 yellow marbles, and 7 blue marbles. What is the probability of drawing a green marble, putting the marble in your pocket and then drawing a yellow marble?
asked by Kim 
Finance
Jean will receive $8,500 per year for the next 15 years from her trust. If a 7% interest rate is applied, what is the current value of the future payments? I get a rounded sum of $200,180.
asked by Roberta 
Math
19+ 25/5  (2+6) = 5+ (83)^2 X (8+1) =
asked by Kirk 
math
the blueprint for landscaping a yard has a scale of 1/2'' to 1 foot.If the blueprint is a rectangle 18 inches by 22 inches, what are the dimensions of the yard?
asked by emily 
english
choose the plural noon that's spelled correctly. Pianoes, Fathersinlaw, Editor in chiefs.
asked by lisa fuller 
Math
I need help on finding the median, and I'm not quite getting it. Question : Find the median of 3,6,7,9,9,10 I am thinking 8 because 7+9= 16  2 So, I am diving 16 by 2 which is 8. It is one of my answer choices though. Thanks
asked by Ti'Nazia 
English
Why use a Epithet or kennings in Beowulf?
asked by Christopher 
Physics URGENT HELP
An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou.
asked by Melody 
calculus book
sorry i am new to this website. Do any of you know any website that offer free or cheap online book. Calculus Early Transcendentals, 10th Edition NEW! Howard Anton, Irl C. Bivens, Stephen Davis THANK U.
asked by maRia 
Algerbra
2n=46
asked by Casey 
Algerbra
2(42r)=2(r+5)
asked by Casey 
Algerbra
2b=16
asked by Casey 
Algerbra
3/4t5/6=2/3t
asked by Casey 
Geometry
Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 16x degrees, represent the measure of its supplement as an expression of x.
asked by Ruben