Questions Asked on
December 29, 2014

CALHelp on dr/dt
A circular oil slick of uniform thickness is caused by a spill of 1 cubic meter of oil. The thickness of the oil is decreasing at the rate of 0.1 cm/hr as the slick spreads. (Note: 1 cm = 0.01 m.) At what rate is the radius of the slick increasing when the
asked by Mary 
Math
The twice–differentiable function f is defined for all real numbers and satisfies the following conditions: f(0)=3 f′(0)=5 f″(0)=7 a)The function g is given by g(x)=e^ax+f(x) for all real numbers, where a is a constant. Find g ′(0) and g ″(0) in
asked by Steven 
Improving Writing REVISED VERSION
Assume that you’ve worked for the last five years as an administrative assistant for the Human Resources Department of Broadworth General Hospital. The Director of Human Resources, Miriam Hopkins, has charged you with organizing a twohour training
asked by ANONYMOUS 
Physics
Which of the following statements is true? A hypothesis always leads to a theory which leads to a law. A hypothesis always leads to a law which leads to a theory. A hypothesis must lead to a theory only. A hypothesis can lead to either a theory or a law.
asked by May 
Math
The edge of a cube was found to have a length of 50 cm with a possible error in measurement of 0.1 cm. Based on the measurement, you determine that the volume is 125,000 cm3. Use tangent line approximation to estimate the percentage error in volume.
asked by Mimi 
PRECALC
If you put $2,000 in a savings account that pays 6% interest compounded continuously, how much money will you have in your account in 4 years? Assume you make no additional deposits or withdrawals
asked by Anonymous 
Algebra 1
Suppose soda is on sale for .50 a can and you have a coupon for .80 off the total price. Write a function rule for the cost of n cans of soda. My answer is c(n() = .80n .50
asked by Steve 
Physics
Hi! Would one of you please check my work? Thanks! ( I used significant digits, by the way) A student throws a 5.00 kg steel shot directly upwards so that it leaves his hand when it is 2.00 m above the ground. If its velocity is 0.15 m/s when it leaves his
asked by Lucina 
chemistry
A gas storage tank has a small leak the pressure in the tank drops more quickly if the gas is hydrogen than oxygen. Why?
asked by hima 
Math
Which of the following ordered pairs is a solution to the inequality y less than or equal to 2x + 8? a. (0, 4)
asked by Mark 
RE RE REVISED IMPROVING WRITING
Special note to my all time favorite: Writeacher: I am sorry that my changes seemed as if I did not read your first notations, I did and I admit I changed only a few words. I am sorry if you thought I ignored it and just re submitted it. I am a beginner in
asked by ANONYMOUS 
sds chemisry
diffren between endotermic reactin and exotermic reaction
asked by aminu 
Algebra 1
Write an equation in point slope form for them line through the given point with the given slope. (4,6) m= 3/4
asked by Steve 
Algebra 1
Write y=3/5x2 in standard form using Integers.
asked by Steve 
Algebra 2
A square has a length of x inches and a width of 2 inches less than the length. If the dimensions were doubled, what would be the area of the new square in terms of x? A.(2x4)in^2 B.(8x8)in^2 C.(2x^24x)in^2 D.(4x^28x)in^2
asked by gh 
Business
I have already researched five areas of publicly available information (such as the Dow Jones or top search engine results) that help to establish the health and public image of a company. How do I propose a webbased information system that will interface
asked by MissPatte 
Mathematics
Show that y=x3is not differentiable at x=3
asked by Syam 
mathematics
a vertical pole stands on level ground. from a point on the ground, which is 15 meters away from the pole, the angle of elevation of its top is found to be 30 degrees.find the height of the pole?
asked by hindu priya 
General Chemistry!!!!
Hi I'm a high school teacher. I teach General Chemistry. I'm looking for a textbook for my student. In this course we learn the basics of chemistry and how it relates to our everyday lives/world.
asked by Teacher 
calculus
A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x^2h cm^3. Find the rate at which the volume of the box is changing when the edge length of the base is 4 cm, the edge length of the
asked by Anonymous 
calculus
A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x^2h cm^3. Find the rate at which the volume of the box is changing when the edge length of the base is 12 cm, the edge length of
asked by Anonymous 
Computer
Our professor wants us to get more likes on our facebook account. Can anyone tell how?
asked by ZACHARY 
Calculus Can you help me solve for dr/dt
How fast does the radius of a spherical soap bubble change when you blow air into it at the rate of 15 cubic centimeters per second? Our known rate is dv/dt , the change in volume with respect to time, which is 15 cubic centimeters per second. The rate we
asked by Rachel 
algebra
The length of a shadow of a building is 50 ft. Also, tan P = 0.8. 1.Write an equation involving a trigonometric ratio that can be used to find the height x of the building. Explain why your equation is correct. 2.Find the height x of the building by using
asked by Sara Mohsin 
Algebra
Hi there. Can "x^2  10x + 22 = 2" be solved by taking the square root? Can "4x^2 + 8x + 3 = 0" be solved by taking the square root? If so, please show me an explanation.
asked by Terry 
Math help, Please
An inverted conical tank (with vertex down) is 14 feet across the top and 24 feet deep. If water is flowing in at a rate of 12 ft3/min, find the rate of change of the depth of the water when the water is 10 feet deep.
asked by Olivia 
math
A board is 54 inches long. Mate cuts the board into 6 equal pieces. How long is each piece
asked by Madeline 
CALCritical points
For the function F(x) = inx/x^2 , find the approximate location of the critical point in the interval (0, 5).
asked by Harry 
Water Treatment
Minimum oxygen concentration should be 7.6 mg/l, concentration in raw water is 0 mg/l and you can assume a saturation concentration of 10 mg/l. Calculate the total efficiency of oxygen addition, the number of cascade steps and the total height of the
asked by IJ 
World history
what freedoms were the people of Napoleon's day willing to sacrifice
asked by JC 
Algebra 1
What is the simplified form of the expression? 7(63/(5 sq2 sq)1)
asked by Steve 
bu
What are the consequences for supply chain management of centralized and decentralized purchasing
asked by ss 
bu
You are the Purchasing Manager reporting to the Managing Director of a company organized on a functional basis. Write a memo to the managing Director outlining the benefit of having regular meetings between the heads of design, marketing, production and
asked by ss 
So what about this one bob? Physics
Which of the following is closer to a guess? hypothesis
asked by May 
Physics~ ONE MOREE
Which of the following must the investigator measure during an experiment? independent variable dependent variable
asked by May 
I guess this is physics related?
What is the biggest source of error in measuring the acceleration of a ball down a ramp? knowing the length of the ramp accurately measuring the time knowing the height of the ramp knowing the mass of the ball****
asked by Robert 
chemistry
what is the ph of a buffer made by mixing 2.00g of sodium acetate with 20.00ml of 1.20 mol/l acetic acid and adding enough water so the final volume of the mixture is 100.0 ml?
asked by mehek 
chemistry
a 2.00l buffer contains 1.00 mol HNO3 mixed with 1.00mol NaNO2 a. write the relevant ionization equation for this buffer. b. determine its pH c. determine the new pH if 1.00g of NaOH is added to the buffer.
asked by mehek 
geometry
Find the locus of a point which is equidistant from the origin and the point (2,5)
asked by Anonymous 
american history
The puritan ______ became the governor of the Massachusetts bay colony A.roger Williams B.william bradfords C.john Winthrop D.Arnold hutchinson
asked by kat 
science
Research suggests that American students lack a sufficient education in math and science to compete globally. How does the controversy about teaching evolution affect and reflect this problem?
asked by cooksthe1 
PreCalculus
How do you solve the equation(800+x)tan33=xtan35?
asked by Angie 
Algebra 1
What would the graph look like for y= the absolute value of 2x plus 1
asked by Steve 
Precalculus
Could I solve (800+x)tan33=xtan35 like xtan33=(x/800)tan35?
asked by Angie 
Physics
The work W0 accelerates a car from 0 to 20 km/h. How much work (in terms of W0) is required to accelerate the car from 20 km/h to 100 km/h?
asked by Caleb 
Algebra 1
Write the equation of a line that is perpendicular to the given line and that passes through the given points. y2 =  1/4(x+3), (3,5)
asked by Steve 
Arts
What is the meaning of print media?
asked by josh 
biology
Which phases are exactly the same for both the Cell Cycle and Meiosis? Can someone please help me with this and explain this to me? Thank you :)
asked by Victoria 
PreTrig/Calc
Please help :) A potato is put into an oven that has been heated to 350F. Its temperature as a function of time is given by T(t) = a(1  ekt) + b. The potato was 50F when it was first put into the oven. What is the value of b in this context?
asked by Anonymous 
Algebra 1
Tell whether the lines for then pair of equations are parallel, perpendicular, or neither? y=2/3x +1 2x3y=3
asked by Steve 
Arts
what is the function of product innovation???
asked by josh 
Algebra 2
Janine is considering two movie rental plans. Plan A can be modeled with the equation C=3m and Plan B can be modeled with the equation C=2m+5 where C represents the cost in dollars and M represents the number of movies rented each month. Which statement
asked by gh 
Arts
What is the function of a Digital Media??
asked by josh 
Arts
what is the function of Animation ???
asked by josh 
Algebra 1
How many solutions does the system of equations have? 3x+12y=20 y=1/4x+5/3
asked by Steve 
english 4
What is shown on the tomb described by the speaker in “An Arundel Tomb
asked by stephanie 
Algebra 2
Sarah has a job that pays $45,500 per year with a guaranteed pay increase of $2,000 each year for 10 years. What is the formula for Sarah’s salary, S, if she has worked x years? A. 45,500x+2000 B. 45,500x+2000x C. 45,500x+2,000(10) D. 45,500x+2,000(10)x
asked by gh 
Math
∆ABChas vertices A(–1, –2), B(–4, –4), and C(–3, –5). Graph ∆ABC and its image after a reflection over the xaxis. Name the coordinates of the vertices of the reflected triangle...is it A(1,2), B(3, 4), C(2,5) or A(1,2), B(3,4),
asked by Marie 
algebra 2
find all zeroes 3x^4 + 27x^2 + 1200 =0
asked by sharon 
geography
What types and forms of caulking are available for insulating homes? please help i tried searching them up but each website had different info.
asked by Me 
Life and world
I need a idea of an art work response to the contemporary world it can be war violence politics or anything else im not very creative please help
asked by GEorge 
science
Name a way in which our government dictates the administration of vaccines to children
asked by cooksthe1 
statistics
There were 50 men and 50 women who were randomly selected from a larger population. •A ttest was conducted to compare men and women’s performance on an assessment after eating chocolate. The results showed an independent ttest value of t .05(99) =
asked by Diana 
physic
A force paralled to an inclined plane is used to raise a load of 500N through a height of 3M While the load moves a distance of 30M along the plane (a) How much work is done on the load ? (b)if the efficency is 80% calculate the effort (c)how much work is
asked by compbell 
maths
A tank is half filled and contains 15litres.what fraction of the tank is full if it can contain 18litres?
asked by sweety 
ENGLISH
CHOOSE THE BARE INFINITIVE IN EACH SENTENCE. 1.make them feel the need to rise and give you a hand. 2.The judge noticed the witness nod his head with approval. 3.The coach saw his players look at one another with enthusiasm. 4.The teacher let her students
asked by ZACHARY 
Mathematics
Find the differentiation of the following function a) y=5x^4(x7)^1/2 b) y=(2(x)^1/2(3))/(x)^1/2+1
asked by Syam 
math
Describe a situation this week when you used math to solve a problem involving data, graphs and statistics.
asked by Anonymous 
physics
A 5kg block is placed on an inclined plane raised to an angle with it just started to slip down. if its coefficients of friction is 0.3 calculate. and the speed of the block up to the plane if it is being pull up by a force of 30N
asked by holamyde 
Science
Name a way in which our government dictates the administration of vaccines to children.
asked by cooksthe1