Questions Asked on
November 16, 2013

Calculus  Optimization
A parcel delivery service a package only of the length plus girth (distance around) does not exceed 24 inches. A) Find the dimensions of a rectangular box with square ends that satisfies the delivery service's restriction and has a maximum volume. What is
asked by Jess 
math
A farmer is constructing a rectangular pen with one addtional fence across its width.find the maximum area that can be enclosed with 2400m of fencing .
asked by Anonymous 
chemistry
which of the following alkane names is correct? a)2methyl3propylhexane b)1methylnonane c)1,2dimethylhexane d)4,5dimethylpentane e)all of the above names are correct
asked by lima 
math
a certain spinner has equally sized slices. The odds in favor of landing on a blue slice are 2:5.What is the probablility of landing on a blue slice?
asked by rm 
Statistics
The mean length of the first 20 space shuttle flights was about 7 days with a standard deviation of about 2 days. Using Chebychev's theorem, at least how many of the flights lasted between 3 and 11 days.
asked by Kenneth 
Phyics
An object in simple harmonic motion has an amplitude of 0.202 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion.
asked by Corey 
physics
A 0.355kg object undergoing SHM has ax = 2.30 m/s2 when x = 0.235 m. What is the time for one oscillation?
asked by Laura 
Statistics
1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ blood" Is the statement descriptive statistics or inferential statistics? b) "58 percent of the people in NYC do not have type O+
asked by kitty 
Statistics
In the following question, identify which choices would be considered inferential statistics and which would be considered inferential statistics. 1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in
asked by kitty 
Science (Physics)
On the moon, the acceleration due to gravity is only 1.6 m/s/s. If someone on earth can throw a baseball 24.2 m high, how high could she throw it on the moon?
asked by Brandy 
math
an autmobile is 16 feet long the scale drawing is 1 inch:6 inches my scale factor answer is 96in am i right
asked by kylee 
geometry triangles
The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with
asked by BARBIE LEE 
south carolina history
how did the french and indian war benefit south carolina’s economy please help me
asked by recon sniper 
iinternet basics
the characteristics of an instant message include all the following except a.its more structured b.it contains abbrevations c.occurs between pc's my answer is b
asked by susue 
math
Find the present value, using the present value formula and a calculator. (Round your answer to the nearest cent.) Achieve $225,500 at 8.95% compounded continuously for 8 years, 155 days.
asked by Anonymous 
Physics
An 100kg box is placed on the ramp. As one end on the ramp is raised the box begin to move down ward just as the angle of inclination reaches 15 degree . What the coeffenict of static friction between box and ramp .. ?
asked by Maryam 
GEOMETRY
The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with
asked by BARBIE LEE 
Statistics
On the last three Friday evening, City hospital diagnosed a number of heroin overdoses. There were four on 1/14/20xx, two on 1/21/20xx, and six on 1/28/20xx. a) "City Hospital averaged four herion overdoses in their ER for the last three Firday evenings"
asked by kitty 
Early Childhood Education
When designing IFSP objectives, its useful to parents to think of skills that a. are short and easy. b. fit into natural daily routines. c. are most useful in promoting ambulation. d. are taught in isolation to maximize chances of progress.
asked by Sasha 
language
Identify the italicized word or words in each sentence Going Outside DURING A THUNDERSTORM is not the wisest thing to do in the summer. a) infinitive phrase b) participial phrase c) gerund phrase d) prepositional phrase
asked by victoria 
social studies
what were roles of men in Iroquois league?
asked by vincent 
Physics
A 4 kg puck can slide with negligible friction over a horizontal surface, taken as the xy plane. ˆ The puck has a velocity of 3i m / s at one instant ti = 0 . Eight seconds later, its velocity is to be ˆˆ 8i+10 j m / s . Find the magnitude and direction
asked by Maryam 
Chemistry
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form simple cubic lattices. The bond strengths of the CiCi and SdSd bonds are known, but not the CiSd bond. Bond Bond Energy
asked by youlifex 
US History
What times is Paine referring to? “These are the times that try men's souls. The summer soldier and the sunshine patriot will, in this crisis, shrink from the service of their country; but he that stands it now, deserves the love and thanks of man and
asked by Anna 
Physics
A15N crate rests on an ramp , the maximum angle just before it slips is 25 degree with the horizantle , what the coefficient of static friction between the crate and ramp surfaces ?
asked by Maryam 
finance charges
Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded, and that the month is 30 days long. (Round your answers to the nearest cent.) $500 balance, 17%, $50 payment (a)
asked by Anonymous 
Math
The variable W represents the width of a rectangle. The length of the rectangle, L, is 5 less than twice the width. Write an expression for the length of the rectangle in terms of W. Write a simplified expression for the perimeter of the rectangle in terms
asked by Unknown 
Statistics
In the following question, identify which choices would be considered inferential statistics and which would be considered inferential statistics. On the last three Friday evening, City hospital diagnosed a number of heroin overdoses. There were four on
asked by kitty 
internet basics
the social networking site that caters to artists and musicians is which of the following a,twitter b.facebook c.my space my answer is c
asked by susue 
Statistics
The following table shows a frequency distribution of patients with colon cancer treated at Community Hospital. Compute the proportion of patients in each category. Community Hospital Ages of Patients with Colon Cancer Annual Statistics, 20XX Age No. of
asked by Anonymous 11/16/13 
physics
a toy rocket is fired upward with a net force of 50N. Because of this force it accelerates at 25m/s^2. What is the mass of the rocket?
asked by kim 
b.mathematics
a shopkeeper allows a discount of 15% on his shop. how much money can a man save if he buys a bag costing rs2500, a shaving set costing rs890 and iron costing rs 2800?
asked by maha 
Physics
A500 man stands at the center of the rope such that each half of the ropes makes an angle of 10 with the horizentle . What is the tension of the rope ???
asked by Maryam 
finance
Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $50,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 4% compounded annually?
asked by Anonymous 
Maths
Jacob buys a car with 7,000 miles on it. He drives an average of 220 miles a week. Write an equation to represent the number of miles, m, on the car after any number of weeks, w. Explain each part of the equation. Thanks so much!!! :)
asked by Becky 
American History!!!
How was the development of interchangeable parts an example of the move to make work "less skilled" in the early 1800s?
asked by Emily 
us history
Harriet Tubman is characterized as; An Abolitionist Women's Right Leader An Active member of the Underground Railroad All of the Above is it All Examples of "Radical Antislavery" were; William Llyod Garrison John Brown Quakers William Still All of the
asked by ps 
math
You are planning a cookout and plan on serving hotdogs. The hotdogs are sold in packages of eight, but the hotdog buns are sold in packages of ten. What is the smallest number of packages of each that must be bought so that there are the same number of
asked by Anonymous 
stastics
Assume that a random sample is used to estimate a population proportion p. Find the margin of error E corresponds to the given statistics and confidence level. 90% confidence, the sample size is 1457, of which 30% are successes.
asked by anonymous 
Physics
The maximum possible value for the coefficient of static friction ?
asked by Maryam 
language
Identify the italicized word or words in each sentence the pool COVERED UP SINCE THE END OF SUMMER LAST YEAR is now open, clean and ready to use. a) infinitive phrase b) participial phrase c) gerund phrase d) prepositional phrase
asked by victoria 
Physics
A block of mass m1 = 4.90 kg sits on top of a second block of mass m2 = 14.5 kg, which in turn is on a horizontal table. The coefficients of friction between the two blocks are µs = 0.300 and µk = 0.100. The coefficients of friction between the lower
asked by Tom 
language
Select the word or words that the italicized phrase modifies or describes. According to this map, the smallest region in the UNITED STATES IS NEW ENGLAND. a) map b) smallest c) region d) United States
asked by victoria 
Hypothesis Test
A test of hypothesis is performed to determine whether the proportion of Montrealers (population 1) who want the decriminalization of marijuana is greater than the proportion of Torontonians (population 2) who want decriminalization of marijuana. A random
asked by Simon 
ap chemistry
What is the activation energy Ea for this reaction? Answer in units of kJ The deltaH is 160 kJ X is at 160 (beginning of reaction) Y is at 300 (end of reaction)
asked by Gabriella 
Calculus
I throw a ball off the roof. It travels s = 240+22tt^2. S is the balls distance after I release it. How tall is the building? How high above the ground did the ball get?
asked by Loki 
Physics
Acceleration due to gravity on the moon's surface is 1/6th that on the earth . An object weight 900N on the earth . What does it weight on the moon ?
asked by Maryam 
Math
You have used tables, equations, and graphs for math. When would you use each representation. explain
asked by Anonymous 
Math
When driving to the beach, you drive 240 miles on 9 gallons of gas. When you arrive at the beach you fill up your gas tank. While there you drive 130 miles and use 5.8 gallons of gas. Round answers to 2 decimal places. What was your gas mileage driving to
asked by Alan 
biology
Small gene big plasmid Question 2 Part E wrong. Question 2 Part F Determine the DNA sequence of PCR products. I do not understand how to handle this problem. On home works they were wrong and the solutions were confusing. Please give me a clue.
asked by Al 
Math Help
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). Please answer this ASAP! Thank you so much whoever answers! :)
asked by Kim 
English
How can I start out a story? I could set the scene, or from the main part, but what are some other ways to start a story?
asked by Cutiepie 
math
If a 30meter pine tree casts a shadow of 30 meter, how far is the tip of the shadow from top of the tree?
asked by Tresa 
Human services
I am having terrible trouble with this assignment. I cannot find the information i need, I am using a website called HOPE of East Central Illinois Here are the questions How do these laws influence the organization's decisionmaking and its daytoday
asked by Nicole 
Science
Balancing equations a) Mg + HCl > MgCl2 + H2 b) K + H2O > KOH + H2 c) Li + H2O > LiOH + H2 d) Fe + O2 > Fe2O3 Please help
asked by Anonymous 
Science
What substances (Syrup or water) absorb more thermal energy? Why?
asked by Unknown 
Calculus
Determine whether the sequence is divergent or convergent. If it is convergent, evaluate its limit. A (sub n)=((4n7)/(4n+9))
asked by Robin 
ALGEBRA!
Larsen’s Sharpening Shop, specializes in sharpening saws. Terry Larsen has determined that the cost of operating the shop is given by the function: C(x) = x^2 – 40x + 430, where x is the number of saws sharpened daily. a. Write C(x) = x^2  40x + 430 =
asked by Dele 
Chemistry ppm
Hey guys, i have a question about how to figure out how much mass of a compound i need to find 130ppm here is the question. What mass of Fe(NH4)2(SO4)2*6H2O is required to prepare 2.25 L of a 130 ppm iron solution? Now i know that ppm is (mg of desired
asked by John 
Algebra
How do you find a new salary if you know the amount of a cut/raise and the salary before the cut/raise?
asked by Megan 
Algebra Help
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). Omg thanks! :>
asked by Alanie 
Chemistry
Shown below is the optical absorption spectra for a material wavenumber=9.1*10e5 Calculate the bandgap of this material. (Express your answer in eV) I'm calculate 1.13eV, but next question I don't know answer: This material is a(an) metal, ionic solid ,
asked by DDD 
Math
How can I rewrite this statement for my math class: "The war funding bill...passed this week, but with three times fewer Democrats voting for it than did the last year.
asked by Tracy 
Sociology
What social policies to reduce crime would likely be recommended by a sociologist who favors Merton's Strain Theory? Why?
asked by Lizzy 
economics
what is wealth? how is wealth linked to saving?
asked by Anonymous 
Physics
When 140000 joules of heat is removed from 0.60kg of water initially at 20Celsius, will all the water freeze? If not how much remains unfrozen
asked by Chelsea alcaraz 
math
peter needs 1/2 gallon of white paint,2 gallons of magenta paint, and 1 quart of yellow paint for his project. what is the total volume of paint peter needs?
asked by miina 
chemistry
i need help to understand the problem.. what is the relationship between the numbers of electrons gained and lost in a redox reaction? Do all electrochemical cells involve redox reactions?
asked by S1D 
Chemistry
Small gene Big Plasmid Question 2 Part E is wrong. Question 2 Part F: Determine the DNA sequence of the PCR products, I have no idea how to proceed. In the assignments they were wrong also. I looked at the homework solutions, but I am still unsure how to
asked by FD 
chemistry
[Ag]=3.41*10^2 in Ag2CrO4 [CrO4]=?
asked by far 
algebra
Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $30,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 3% compounded annually? (Round your answer to the nearest cent.)
asked by Jenifer 
Algebra
In the logarithmic expression . . . log(base 4) 8 , how does the base 4 become base 2? Here is how it is suppose to be worked out: log(base2)8 / log(base2)4 => log(base2)2^3 / log(base2)2^2 => 3/2
asked by Megan 
biology
Which photosystem1 or 2most likely evolved first?
asked by Savannah 
Maths
Hello, I am just wondering why y=mx+b for b (solve for the variable) would be yb/m and not y/mb Thanks
asked by Nana 
English
1. Anybody does not sleep well during the night. 2. Not anybody sleeps well during the night. 3. Nobody sleeps during the night. (Is #1 grammatical? Are they all the same in meaning?) 4. None were present at the meeting. 5. No one were present at the
asked by rfvv 
Science (respiration)
Hello, I have a question. How does colour affect a mealworm's respiration? Do mealworms breathe more slowly when sleeping? Do mealworms stop breathing for a bit, then breathe again? Thank you, and just tell me what you know. If you only know the answer to
asked by Nana 
English
Over 15,000 skaters entered the race. (Is this sentence correct? What other expressions can we use instead of 'entered' to make the same meaning?)
asked by rfvv 
PHYSICS
A flat loop of wire consisting of a single turn of crosssectional area 8.10 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from 0.500 T to 1.90 T in 0.95 s. What is the resulting induced current if the loop has a resistance
asked by Begging for help 
Chemistry
I am working on a solid chemistry problem, but I do understand what e^ means. Is it the elementary charge? or Faraday constant. Please help.
asked by FHD 
physics
why convex lens forms sn inverted image?
asked by Anonymous 
science10
will need help with science 10
asked by AnonymousAndy 
geometry
AB = AE BC = DE prove 1 = 2
asked by Anonymous 
chemistry
N_v/N_s =Ae ^change Hv/kT. What is the value of e^? Thanks.
asked by Al 
Math
Evaluate the following expressions when x = 2, y = 6, and z = 4 y^2 + 3z 5y  3(x^2 + 1) + z
asked by Alan 
Calculus
Determine whether the sequence is divergent or convergent. a(sub n)=(−1)^n(sin(2/n))
asked by Robin 
Statistics
A credit manager has chosen a sample of size 2,164 to estimate the mean balance of credit accounts to within $0.50. A pilot study of 50 accounts had a mean of $1,219 and a variance of 100. The level of confidence of the interval is: 90% 95% 98% 99%
asked by Cam 
science
How can circuit voltage affect the choice of insulator? why does the resistance decreases as the conductor diameter increases? how does temperature effect resistance? please help and thank you
asked by anonymous 
Chemistry
The Young's modulus for a material is 2.0 x 1010 N/m2. The material is stretched to a strain of 5.0 x 103. How much elastic energy will be expended? (Express your answer in J/m3)
asked by youlifex 
science
Chemistry Hey guys, i have a question about how to figure out how much mass of a compound i need to find 130ppm here is the question. What mass of Fe(NH4)2(SO4)2*6H2O is required to prepare 2.25 L of a 130 ppm iron solution? Now i know that ppm is (mg of
asked by John 
math
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
asked by Lori 
math
x^1y^0 do you do 1/x*1=1/x
asked by alex 
Math
If a dollhouse was made out of the same material as a real house, how would their weights compare?
asked by Tracy 
Science
Balancing equations a) Mg + HCl > MgCl2 + H2 b) K + H2O > KOH + H2 c) Li + H2O > LiOH + H2 d) Fe + O2 > Fe2O3 Please help
asked by Anonymous 
language
Select the word or words that the italicized phrase modifies or describes. The original cell phones battery NEEDED TO BE RECHARGED after 30 minutes of use. a) cell phones b) battery c) 30 minutes d) use
asked by victoria 
math
11:15 a.m. until 12:50PM WHAT IS THE ELAPSED TIME
asked by alexandra 
criminal justice
•Why have immigration responsibilities been relinquished to the local level of government
asked by patiance 
Maths
Hi! How do I do this? Solve the following for the variable: d=rt for r Thanks!
asked by Nana 
math
Which is the solution to the inequality 94
asked by B8 
Math
Dollhouse and the furnishing are built to a scale of exactly 1 in. to 1 ft, what is the linear scaling factor?
asked by Tracy 
LA
How does Voltaire give examples in his book Candide that governments need to have both shepherds and butchers
asked by luke 
us history
Leading the underground railroad in to further North to Canada, was due to the Fugitive Slave Act. is it true.
asked by tony