Questions Asked on
July 3, 2013

math
Ellen wishes to mix candy worth $1.64 per pound with candy worth $3.46 per pound to form 20 pounds of mixture worth $3.00 per pound. How many pounds of the more expensive candy should she use?
asked by Monica 
math
Ginny Jones receives $650 gross salary biweekly. Her income tax rate is 15%. Her group health plan contribution is $24.50 per pay period. She belongs to the company retirement plan, to which she contributes 6.5% of her earnings. She is also covered under
asked by Bria S. (Explain Pls) 
Science
Female silkworm moths (Bombyx mori) attract males by emitting chemical signals that spread through the air. A male hundreds of meters away can detect these molecules and fly toward their source. The sensory organs responsible for this behavior are the
asked by Anon 
chemistry
A gas occupies 560.0 mL at 285 K. To what temperature must the gas be lowered if it is to occupy 250.0 mL? Assume that the pressure remains constant.
asked by madison 
algebra
Solve the following system using the substitution method: 6x  2y = 4 y = 3x + 2
asked by hunter 
phy
(Q1)A wire of cross sectional area of 0.00006m2 and length 50cm stretches by 0.2mm under a load of 3000n.Calculate the Young's modulus for the wire (a)80000000000Nm2(b)125000000000Nm2(c)25000000000Nm2(d)5000000000Nm2 (Q2)a square plate of side 10cm is
asked by kate 
algebra1please look over THANK YOU
Mary is making a pinata that has a balllike shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet i got
asked by lisa 
physics
a train's stopping distance even when full emergency brakes are engaged is 1.3 km. If the train was travelling at an initial velocity of 90km/h(forward), determine its acceleration under full emergency braking
asked by daniel 
phy
(Q1)A gas occupies a certain volume at 27c.If it is heated at constant pressure, its volume is exactly doubled at a temperature of. (a)54c(b)219c(c)327c(d)600c (Q2)If the specific heat capacity of water initially is4.2000/kg/k and the difference in
asked by kate 
CHEMISTRY
*Specific Gravity A cylinder of plastic is 100 mm long and 50 mm in diameter. It has a mass of 1 kg. Determine its specific gravity and indicate whether it would float or sink in water . PLLEEEEEEEEEEEASE
asked by Myka 
trig
A wheel with a 24inch diameter is turning at the rate of 32 revolutions per minute. To the nearest inch per minute, what is the linear velocity of a point on the rim?
asked by helo 
math
A kayaker paddles across a river at a constant speed of 4 miles per hour and a bearing of N 60 degrees E. Which current vector results in the kayaker's actual speed being 5.9 miles per hour and the kayakers actual direction being N 70 degrees E.
asked by Daniel 
chemistry
If chlorine gas is bubbled through an aqueous solution of sodium iodide, the result is elemental iodine and aqueous sodium chloride solution. What kind of reaction took place?
asked by LDonta 
graduate statistics
A nursing professor was curious as to whether the students in a very large class she was teaching who turned in their tests first scored differently from the overall mean on the test. The overall mean score on the test was 75 with a standard deviation of
asked by Anonymous 
element of chemical engineering
the specific internal energy of a fluid is 200 cal/g .if the fluid leaves a system at a flow rate of 5 g/min ,at what rate does it transport internal energy out of the system?
asked by mousumi 
Phys
Starting from rest, a 1.6x104 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.38 N on it. This force does 2.6x104 J of work on the flea. (a) What is the flea's speed when it
asked by justin 
Physics
How far will a humanoid robot travel in 3.0 s, accelerating at 1.0cm/s^2(forward) if its initial velocity is 5.0cm/s(forward) answer is 20cm (forward)
asked by alex 
Physics
How far will a car travel if it starts from rest and experiences an acceleration of magnitude 3.75m/2^2 forward for 5.65 s? Answer is 59.9m
asked by alex 
physics
If a cyclist traveling at 14.0m/s skids to a stop in 5.60 s, determine the skidding distance assume uniform acceleration? Answer is 39.2m
asked by jason 
physics
A jet starting from rest reaches a speed of 241km/h on 96.0m of runway. Determine the magnitude of the Jet's acceleration? Answer is 23.3m/s^2
asked by jacob 
PHYSICS
How much heat must be added to 1.0 kg of iron to raise its temperature from 20°C to 95°C? (ciron = 0.11 cal/g•°C)
asked by CHELSEA 
chemistry
A gas has a pressure of 0.370 atm at 50.0 °C. What is the pressure at 22 °C, assuming volume remains constant?
asked by madison 
general science
how to explain how the mass of a rock could be found
asked by brandy 
graduate statistics
Does computerassisted instruction help community college health students with reading difficulties to learn reading skills at a faster than normal rate? A researcher arranged for one of these students to have access to a set of computerlearning programs
asked by Anonymous 
anonymous
Find the area of a square with a diagonal of 8 cm.
asked by Anonymous 
Physics/Mechanics
HW8_1: CANTILEVERED BEAM WITH TAPERED SQUARE CROSS SECTION A cantilevered beam of length L has a square cross section of side length linearly varying from hA at the free end to hB=3hA, at the fixed support. A concentrated load, P, is applied at the free
asked by MAN 
MIT 2.01X
HW8_1: CANTILEVERED BEAM WITH TAPERED SQUARE CROSS SECTION A cantilevered beam of length L has a square cross section of side length linearly varying from hA at the free end to hB=3hA, at the fixed support. A concentrated load, P, is applied at the free
asked by Dude 
Physics
HW8_1: CANTILEVERED BEAM WITH TAPERED SQUARE CROSS SECTION A cantilevered beam of length L has a square cross section of side length linearly varying from hA at the free end to hB=3hA, at the fixed support. A concentrated load, P, is applied at the free
asked by Uncle SAM 
MAT LAB
HW8_1: CANTILEVERED BEAM WITH TAPERED SQUARE CROSS SECTION A cantilevered beam of length L has a square cross section of side length linearly varying from hA at the free end to hB=3hA, at the fixed support. A concentrated load, P, is applied at the free
asked by AMK 
Science
If you were a pharmaceutical researcher, why would you want to learn the three dimensional shapes of naturally occurring signaling molecules?
asked by Anon 
biology
An example of assimilation is the: a. synthesis of carbon b. synthesis of proteins c. hydrolysis of water d. hydrolysis of oxygen I think it is B or C but I am not sure. help please
asked by kaye 
Physics
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =
asked by Danny 
science
2) Create an APA reference for this chapter of the publication as one would find in the APA reference page Title of book: SUPERHEROES ON EARTH Pages in book: 1250 Chapter Title: SECRET IDENTITES Pages of chapter: 4567 Author: BRUCE WAYNE AND CLARK KENT
asked by khar123 
algebra
Solve the following system using the substitution method: 3x + y = 3 y = 2x + 7
asked by hunter 
math
Solve the following system using the substitution method: y = 3x  9 y = x  1
asked by hunter 
math
Solve the following system using the substitution method: 2x + 4y = 5 x = 2y + 6
asked by hunter 
physics
At a carnival, you can try to ring a bell by striking a target with a 11.6kg hammer. In response, a 0.413kg metal piece is sent upward toward the bell, which is 4.22 m above. Suppose that 26.2 percent of the hammer's kinetic energy is used to do the work
asked by justin 
math
Each game wheel is divided into equal sections. The spinners on the game wheels are each spun once and the number each spinner lands on is recorded. What is the probability that both numbers are odd numbers?
asked by Alex 
essay Amanuensis Essay
Please i need help, how to start a essay using Amanuensis about my teacher but don't know how to begin.
asked by luz 
physical science
A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 82 kg, and the height of the water slide is 11.3 m. If the kinetic frictional force does
asked by justin 
math
(x^3y/x^2)^3
asked by Monica 
general physics
The highest barrier that a projectile can clear is 18.8 m, when the projectile is launched at an angle of 59.0 ° above the horizontal. What is the projectile's launch speed?
asked by vinny 
Physics
How far will a car travel if it starts from rest and experiences an acceleration of magnitude 3.75m/2^2 forward for 5.65 s? Answer is 59.9m
asked by alex 
Physics
An aircraft starts from rest and accelerates at 42.5m/s^2 until it takes off at the end of the runway. How long will it take the aircraft to travel down the 2.6km runway? Answer is 11 seconds
asked by alex 
physics
Approaching a flashing pedestrian activated traffic light, a driver must slow down to a speed of 30km/h. If the cross walk is 150m away and the vehicle's initial speed us 59km/h, what must be the magnitude of the car's acceleration to reach the speed
asked by jason 
chemistry
You have 120 grams of U235. How many half lives would it take to make enough helium to fill a 5.60 L balloon at STP?
asked by Mary 
physics
A speed boat is required to move at a constant speed of 50 MPH. What is the power needed to overcome a resistive force of 1000 lbs from the water?
asked by James 
Algebra 1A
When graphing the inequalities 9x+8y
asked by Kim 
Algebra 1A
Thanks Reiny,that is my only problem trying to figure out the equation. I just cannot figure out for some reason when getting the intersection, I tried several different ways yet my progress is still the same.
asked by Kim 
statistics
There is a table of AVERAGE monthly temperatures of two different areas of the same city. A scatterplot of the data is made to show that the relationship is linear between the two. If raw data was used instead of the averages to make the scatterplot, the
asked by Jon 
math
what is the volume of a right rectangular prism has a square base with sides that are 4 meters in length. the height of the prism is 10 meters?
asked by Anonymous 
trigonmetry
Use identities to find an equivalent expression in terms of sines and cosines only. cot θ sin θ  tan θ cos θ
asked by hey 
chemistry
can you explain how to find the bond order of (σ1s)^2(σ1s*)^2(σ2s)^2(σ2s*)^2(σ2p)^2(π 2p)^4(π 2p*)^2... I know that Bond order = (number of bonding electrons  number of antibonding electrons)/2 but i have no idea what to do..
asked by Sarah 
Python Help
# Cis108 07/03/2014 # The PCCC Palace Hotel  Final Bill # To write a bill per party regarding there stay at the Palace Hotel including there billing invoice # Ask the user there name and number of days they will be staying in the Palace customer = input
asked by Matthew 
math
•Plywood is sold in rectangle sheets 4 feet wide and 8 feet long. How many 4x8 sheets of plywood are needed to completely cover a rectangle shaped floor measuring 16 feet by 12 feet.
asked by Anonymous 
math
Plywood is sold in rectangle sheets 4 feet wide and 8 feet long. How many 4x8 sheets of plywood are needed to completely cover a rectangle shaped floor measuring 16 feet by 12 feet.
asked by Anonymous 
chemistry
If 21.0 L of gas is held at a pressure of 7.80 atm and a temperature of 900.0 K, what will be the volume of the gas if the pressure is decreased to 4.50 atm and temperature decreased to 750.0 K?
asked by madison 
chemistry
A balloon at 32 °C is filled with 21 L of air. What would its volume be at a temperature of 52 °C, assuming pressure remains constant?
asked by madison 
phy
a 0.5kg piece of metal (c=600j/kg/k) at 300c is dumped into a large pool of water at 20c. assuming the change in temperature of water to be negligible,calculate the overall change in entropy for the system (a)85.5j/k(b) 67.4j/k(c) 122.3j/k
asked by ikye 
phy
(Q1)determine the quantity of heatconducted in 30min through an iron plate2.0cm thick and 0.10m2 in area if the temperature of the two sides are 0c and 20c.the coefficent of thermal conductivity is 50.4j/smc (a)91000000j(b)23000000j(c)41000000j(d)33000000j
asked by ikye 
phy
(Q1)calculate the electric power which must be supplied to the filament of a light bulb operating at 3000k. the total surface area of the filament is 0.000008m2 and iits emissivity is 0.92.(a)20.3w (b)33.8w(c)46.4w(d)56.7w (Q2) calculate the change in
asked by kate 
phy
(Q1)the temperature at which the tungsten filament of a 12v and 36w lamp operates is 1730c.If the temperature coefficient of resistance of tungsten is 0.006/k, find the resistance of the lamp at room temperature of 20c
asked by kate 
Chemistry
You prepare a solution by dissolving 58.5g of LiCL in 250ml of solution. If the solution is further diluted by having a total volume of 750ml, what is the concentration of the final solution?
asked by Junny 
English
1. He dug at the river bottom. 2. He dug the river bottom. (Which one is correct?) 3. Hippo dived into the river, but he hit the water too hard. (What other expressions can we use instead of 'hard'?) 4. Hippo dug and dug. 5. Hippo kept digging. 6. Hippo
asked by rfvv 
Math
121/11(6+5)
asked by Babu 
parellel
Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.
asked by Anonymous 
Calculus
How would I use the chain rule here for x^2+y^2=z^2 but still have my answer in equation form?
asked by Emma 
math
Compute the amount of compound interest earned in 1 year for an investment of $1,000,000 with a nominal interest rate of 8% compounded quarterly
asked by Anonymous 
math
What is the present value of $73,000 in 11 years if the interest rate is 8% compounded semiannually
asked by Anonymous 
PSY/315
For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation: 2, 2, 0, 5, 1, 4, 1, 3, 0, 0, 1, 4, 4, 0, 1, 4, 3, 4, 2, 1, 0
asked by Anonymous 
graduate statistics
Do children from lower socioeconomic status (SES) neighborhoods have lower than average testtaking skills? A researcher administered a standard measure of testtaking skills to a randomly chosen child from a low SES neighborhood and found him to have a
asked by Anonymous 
math
calculate the compound amount after 5 years for an investment of $7,700 at 6% interest compounded quarterly
asked by Anonymous 
Please help with Calc problem??
The angle of elevation of the camera has to change at the correct rate in order to keep the rocket in sight. Also the mechanism for focusing the camera has to take into account the increasing distance from the camera to the rising rocket. Let's assume the
asked by Robin 
trig, math
A 175pound force and a 230pound force are acting on the same point in directions that differ by 42°. What is the angle that the resultant makes with the 175pound force?
asked by John 
math
A storage unit in the shape of a rectangular prism has a volume of 72 ft3. The area of the base of the unit is 18 ft2. What is the volume of a similar unit whose height is 8 ft?
asked by Anonymous 
math
A storage unit in the shape of a rectangular prism has a volume of 72 ft3. The area of the base of the unit is 18 ft2. What is the volume of a similar unit whose height is 8 ft?
asked by Anonymous 
trig, math
Given triangle ABC with a = 16, b = 14, and β = 54°, find the value of c.
asked by Matthew 
Physics
The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 6.000cm? ANS = kN (Round to 3 decimal place) Ultimate strength = 600.000MPa =
asked by Danny 
Physics
1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN. ANS= MPa (Round to 3 decimal places) Diameter = 33.000mm = 0.033m 30.000kN = 30000N Area = pi*d^2/4 = 3.1416 * 0.033^2/ 4 = 3.1416 *0.001089/ 4 = 0.0034212024/ 4 =
asked by Danny 
business
What suggestions would you offer a new employee to help them effectively communicate in your workplace when meeting facetoface, sending an email, and during a meeting?
asked by renee 
statistics
A new medication has been created to treat osteoarthritis inflammation and pain. Doctors prescribing the drug claim that the drug is not as effective for women as men since women taking the medication have higher pain levels than men. The pharmaceutical
asked by Katelyn 
chemistry
If 13.75 g of Iron (III) nitrate react with an excess of ammonium sulfide, how many grams of iron(III) sulfide are produced?
asked by Adelle 
math
Plywood is sold in rectangle sheets 4 feet wide and 8 feet long. How many 4x8 sheets of plywood are needed to completely cover a rectangle shaped floor measuring 16 feet by 12 feet.
asked by sonja 
science
1) Create an APA reference for this publication as one would find in the reference page Article Title: Truly, Madly, Depply Author: Frank DeCaro, Bill Evans, Tom Black, Rachel McGill, Ed Strong, Sue Koch, Mark Thomas, Rachel Dew, and Gary Edwards.
asked by khar123 
science
Create an APA reference for this chapter of the publication as one would find in the APA reference page (2 marks): Title of book: SUPERHEROES ON EARTH Pages in book: 1250 Chapter Title: SECRET IDENTITES Pages of chapter: 4567 Author: BRUCE WAYNE AND
asked by khar123 
science
Make a standard table with this data Table Number: 1 Table Title: Differences in Content for Male and Female Dreams Data: Male Friendliness 15 Female Friendliness 25 Male Aggression 40 Female Aggression 15
asked by khar123 
science
Why do we want students to learn APA 6th edition formatting?
asked by khar123 
Health
How can I answer this question: Is my life balanced? Thanks :)
asked by Maya 
Eng
Which suffix or prefix is pejorative? A. ion B. ate C. dis D. ad Answer is C
asked by Jen 
math
What would be the compound amount after 19 years on an investment of $42,000 with an 11% interest rate compounded annually
asked by Anonymous 
Physics
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000 Newtons. This load causes an extension to the bar length of 2.740mm. Calculate the stress and the strain produced. ANS 1 = kPa (Round
asked by Danny 
math
To determine the compound amount of an investment of $10,000 with an interest rate of 6% compounded monthly after 4 years requires you to use a table factor that goes beyond the Compound Interest Table. Calculate the new table factor for this investment
asked by Anonymous 
Functions
Let f(x)=x*f(x1)+f(x2). If f(0)=24 and f(1)=42 what is f(1000)?
asked by Fun 
algebra1 HELP PLEASE
Mary is making a pinata that has a balllike shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet
asked by lisa 
Algebra1 HELP PLEASE
(x + 4)(x  3) = 10?
asked by lisa 
Algebra1 HELP PLEASE
The solutions to a quadratic equation are 1 and 7. What is the equation of its axis of symmetry?
asked by lisa 
Chemisty Please Help
The instructions are, Write Lewis structures that obey the octet rule for the following species. (Assign atomic charges where appropriate.) 1) XeO4 2) CIO^4 3) PO4^3 Would I just draw them in a different way or just the regular Lewis Structure?
asked by Mary 
algebra1 HELP PLEASE
Mary is making a pinata that has a balllike shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet
asked by lisa 
Physics
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places)
asked by Danny 
algebra1please look over THANK YOU
The solutions to a quadratic equation are 1 and 7. What is the equation of its axis of symmetry? I GOT 3 is that right
asked by lisa 
math
f(x)=7/x9 What number must be excluded from the domain and why?
asked by Monica 
math
how do you do the following? 9/10  ?= 17/30 and 3/10 + 4/5 = ? first time doing this . Thank you
asked by sam 
English
Signal Phrase: Read "Too Much Pressure" by Colleen Wenke (564568). Consider it a model for using signal phrases to introduce quoted material as explained on pages 508512 of the Bedford Handbook. 1. Copy two good examples from Wenke's essay of signal
asked by Sal 
Physics
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N Ultimate
asked by Danny 
Algebra 2
Using the integers 2,3,4,5, How many 3digit odd numbers less than 300 can be formed if no repetition of digits is allowed? Please explain and show work.
asked by Anonymous 
math
Factorial notation problem. Please help? Hi, I am stuck on this maths problem. Solve for n: (n+2)!/(n)! =110. I get as far as (n+2)(n+1) = 110. When I multiply it out I get n^2,3n,2 = 110. There is only one example similar to this in my book and it used a
asked by Maria 
math 111
The overhead or fixed cost for the company is 1,000 per week. In addition, the cost of manufacturing each boat costs$200. Find an equation C=f(x) for the total cost per week where x is the number of boats manufactured in a week. b) Graph the total cost
asked by tbcc 
science
1) Create an APA reference for this publication as one would find in the reference page(2 marks): Article Title: Truly, Madly, Depply Author: Frank DeCaro, Bill Evans, Tom Black, Rachel McGill, Ed Strong, Sue Koch, Mark Thomas, Rachel Dew, and Gary
asked by khar123 
science
Make a standard table with this data Table Number: 1 Table Title: Differences in Content for Male and Female Dreams Data: Male Friendliness 15 Female Friendliness 25 Male Aggression 40 Female Aggression 15
asked by khar123 
science
Why do we want students to learn APA 6th edition formatting?
asked by khar123 
Math
A seat to a musical costs $5.50. To that amount must be added a 6% entertainment tax. How much money must you receive in total to give a customer a ticket?
asked by Bria S. 
math
Let f(x)=9x^2+6x8, find f(7)
asked by Monica 
Physics
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =
asked by Danny 
Math
tom had 18 comic books , while Diane and Helen had none. Tom gave 1/3 of the comic books to Diane who passed 1/3 of these books along to Helen. If Tom then gave Helen 1/3 of the books he had left, how many comic books did Helen receive from Tom and Diane
asked by Grace