Monday
July 28, 2014

Posts by Mike


Total # Posts: 3,156

Math
A jar of peanut butter which is 3 inches in diameter and 4 inches high sells for $0.60. At the same rate, what would be the price for a jar that is 6 inches in diameter and 6 inches high?

Math
What is equivalent percent of 2/6? . What is equivalent percent of 4/6?

algebra
A ball is thrown upward from a height of 240 feet. the height h of the object(in feet) t seconds after the ball is released is given by h=-16t^2+32t+240 a. how long does it take the ball to reach its maximum height? b. what is the maximum height attained by the ball? c. how lo...

Math
If 2/5 of a figure is shaded, what percent is not shaded?

Math
Explain why 2/3 > 2/6

science
For the reaction mc011-1.jpg at 472°C equilibrium is established when [H2] =0.0200M, [N2] = 0.0100M and [NH3] = 5.37 x 10-8M. What is the equilibrium constant for this reaction

Statistics
A VP of manufacturing claims that more than 3% of items produced using a certain assembly line are is defective. A random sample of 100 items from the assembly line had 4 defectives. At the 5% level of significance, which of the following would be part of the standardized deci...

Statistics
A recent Gallup Poll dealt with the proportion of Canadians who favoured the various Prime Ministers. It found that only Pierre Trudeau did quite well, of all Prime Ministers in recent memory, and that the proportion favouring Brian Mulroney is quite low. A newspaper article i...

Statistics
A VP of manufacturing claims that more than 3% of items produced using a certain assembly line are is defective. A random sample of 100 items from the assembly line had 4 defectives. At the 5% level of significance, which of the following would be part of the standardized deci...

Physics- torque
A man ties one end of a strong rope 8.35 m long to the bumper of his truck, 0.506 m from the ground, and the other end to a vertical tree trunk at a height of 3.92 m. He uses the truck to create a tension of 8.32x10^2 N in the rope. Compute the magnitude of the torque on the t...

physics
He uses the truck to create a tension of 8.32x10^2 N in the rope.

physics
A man ties one end of a strong rope 8.35 m long to the bumper of his truck, 0.506 m from the ground, and the other end to a vertical tree trunk at a height of 3.92 m. He uses the truck to create a tension of 8.32 102 N in the rope. Compute the magnitude of the torque on the tr...

MATH
Mortgage lenders base the mortgage interest rate they offer you on your credit rating. This makes it financially critical to maintain a credit score of 700 or higher. How much more interest would you pay on a $195,000 home if you put 20% down and financed the remaining with a ...

chemistry
How many mL of 0.0500 M EDTA are required to react with 54.0 mL of 0.0190 M Ca2+?

Statistics
The coding department of a large physician clinic is interested in purchasing a software program that will edit claims before they are sent out to billing. The license fee for the software costs $34,000 per year. The software is expected to reduce the number of errors on claim...

Statistics
Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (a) Determine the critical region and critical value that are used in the classical approach for testing the null hypothesis Ho: ì1 = ì2 = ì3 = ì4, with n =...

Statistics
Consider the following table for a single-factor ANOVA. Level of Factor Replicates 1 2 3 1 1 2 5 2 2 4 7 3 2 4 7 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2.

English
Could anybody diagram this sentence? "What a most delightful quatrain Jamie has written." Where would the placement of the word "What" go in the diagram?

law
What are the benefits of voluntary support and how is it linked to police legitimacy?

math
the biology class has a lab every days. the earth science class has a lab every three days . which class day do they both have class ?

crime
where can I found information on adult siblings crimes against one another

criminal justice
identify a media account of a criminal justice issue; it can be a movie, a news report, or a television program. •Briefly describe what the media account is discussing. •Identify the myth that the media account is highlighting I just need some suggestion on where to ...

Physics
A spring has a spring constant of 25N/m . Part A How much work is required to stretch the spring 2.0cm from its equilibrium position?

Physics
If a 14N force is used to compress a spring with a spring constant of 5.0×102N/m , what is the resulting spring compression?

Math
P=ert 13000=e.045(1)

arithmetic
2+15/3*5=

MATH
4=(R-.75R)

MATH
4=(R-.75R)

Math
Simplify: (1/5x^4+1/3xy^2+1/2y^2)+(6/5x^2y^2+2xy^2+11/6y^2)

math
x, y, 3y If the average (arithmetic mean) of the 3 numbers above is 3x and x≠0, What is y in terms of x?

math
X3Y+5YX = 1,33X In the correctly worked addition problem above, X and Y represent 2 different digits. What digit does X represent? a. 0 b. 1 c. 4 d. 8 e. 9

math
If a job takes 64 men to complete in 15 days, how many more men will take to complete the job in 12 days?

Physics
a bicyclist rides 10.0 km/h west and 20.0 km/h east what is the resultant velocity

Math help please!!!
Determine the equation of g(x) that results from translating the function f(x) = x2 + 7 upward 12 units.

HELP! Geometry
1. Why is the word coplanar included in the definition for parallel lines? 2. Explain why you think the angle pairs formed by two lines and a transversal are related. Why might it be helpful to identify them as angles that go together instead of independent angles

science
When 36.0g of sodium chloride is added to 100 g of H2O (water) at 25°C all the salt particles dissolve.Yet if you add one more g of salt and stir,no matter how vigorously or how long only 0.2g of the last portion dissolve in the soln.why?

Chem
The age of a bone was to be determined by 14C dating. 14C has a half-life of 5,730 years, and a Geiger counter shows that the 14C in living tissue gives 15.2 cpm g-1 of carbon. If the same Geiger counter shows that the 14C in a sample of the bone gives 3.8 cpm g-1 of carbon, h...

trig
PROVE: Cos 2theta = .5 (cot theta - tan theta) Please help me

math
The distance in feet that a skydiver is from the ground (t) seconds after jumping from an airplane flying at 17,000 ft above ground is given by the following equation: d(t)=-16t^2 +17000. a.) how many feet above ground is the skydiver above ground after 4 seconds? b.)how many ...

math
If f(x)= 5x+2/3 - 2x-4/3, What is the value of f(x)-x

math
when 4 numbers b, b^2, b^3, and b^4 were arranged in order from smallest to largest, the result is b, b^3, b^4, and b^2. Which of the following is a possible value for b? The choices are: 1. 7/2 2. 11/6 3. 7/10 4. -2/5 5. -7/4

math
What is the domain of f(x)=15/x-3? the choices are: 1. All integer values of x 2. x<0 or x>0 3. x≤-3 or x≥3 4. x≠3 5. x<-3 or 0<x<3

math
The cost of a certain new car is g dollars. The car is on sale for h% off this price. What is the total cost of the car on sale after the addition of 7% sales tax?

Math
2,500 in expanded form

introduction to finance-16
if you put $4000 in savings account that pays interest rate of 4%, compounded annually, how much will you have in 5 years? How much interest will you earn during the 5 years? If you put $4000 each year into a savings account that pays interest at the rate of 4% a year, how muc...

Biology
D: FRUIT

Harvard Justice
If reasoning about the good means that you must have a single principle or rule or maxim or criterion for the good life that you simply plug in every time who have a disagreement about morality, then the answer is "Yes."

physics
The angular speed of the rotor in a centrifuge decreases from 226 to 186.0 rev/s with an angular deceleration of 6.4 rev/s2. During this period, how many revolutions does the rotor turn?

Business; Finance
Texas Wildcatters Inc. (TWI) is in the business of finding and developing oil properties, and then selling the successful ones to major oil refining companies. TWI is now considering a new potential field, and its geologists have developed the following data, in thousands of d...

Math
What would be the amount of compound interest on $8,000 invested for one year at 6%, compounded quarterly?

math-statistics
The following risk ratios give the increased risk for various diseases comparing two groups (exposed vs. unexposed). a. 2.5 (2.0, 3.0) b. 1.03 (1.02, 1.04) c. 6.0 (.85, 9.8) d. 0.98 (0.88, 1.08) e. 0.20 (.05, 1.05) Which risk ratios are statistically significant at the 0.05 le...

math
A box contains 5 blue and 4 red marbles. In how many ways can 4 marbles be drawn so as to include 2 red marbles?

Chemistry
The solubility of AgCl (s) is 2.5 x 10^-5 M. calculate the ksp

Statistics
The following risk ratios give the increased risk for various diseases comparing two groups (exposed vs. unexposed). a. 2.5 (2.0, 3.0) b. 1.03 (1.02, 1.04) c. 6.0 (.85, 9.8) d. 0.98 (0.88, 1.08) e. 0.20 (.05, 1.05) Which risk ratios are statistically significant at the 0.05 le...

Statistics
How would a histogram change if we increase the number of simulations? A. It would simply be more smooth. B. The p-value would get smaller. C. The standard error would get smaller. D. The distribution would be more similar to a T-distribution.

Statistics
The Centers for Disease Control (CDC) collects yearly statistics on drinking behavior in the United States by surveying a random sample of U.S. adults. The following data display the percent of adults aged 18 years and over who had 5 or more drinks in 1 day at least once in th...

PHYSICS 2
An electron in an x-ray machine is accelerated through a potential difference of 1x10^4 V before it hits the target. What is the kinetic energy of the electron in electron volts?

Math
Find the largest possible degree n≤1000 of a polynomial p(x) such that: p(i)=i for every integer i with 1≤i≤n p(−1)=1671 p(0) is an integer (not necessarily 0).

Macroeconomics
(Monetary Policy and Aggregate Supply) Assume that the economy is initially in long-run equilibrium. Using an AD–AS diagram, illustrate and explain the short-run and long-run impacts of an increase in the money supply.

Calculus
A car leaves an intersection traveling west. Its position 5 sec later is 22 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 5 sec later is 27 ft from the intersection. If the speed of the cars at that inst...

Calculus
The total worldwide box-office receipts for a long-running movie are approximated by the following function where T(x) is measured in millions of dollars and x is the number of years since the movie's release. T(x) = (120x^2)/(x^2 + 4) How fast are the total receipts chang...

Calculus
Suppose f and g are functions that are differentiable at x = 1 and that f(1) = 2, f '(1) = -1, g(1) = -2, and g '(1) = 3. Find the value of h '(1). h(x) = (x2 + 11) g(x) h '(1) =

Calculus
The relationship between the amount of money x that Cannon Precision Instruments spends on advertising and the company's total sales S(x) is given by the following function where x is measured in thousands of dollars. S(x) = -0.002x3 + 0.9x2 + 4x + 500 (0 x 200) Find the r...

Calculus
The demand function for the Luminar desk lamp is given by the following function where x is the quantity demanded in thousands and p is the unit price in dollars. p = f(x) = -0.1x2 - 0.3x + 39 (a) Find f '(x). f '(x) = (b) What is the rate of change of the unit price w...

Calculus
Find the points on the graph of f where the tangent line is horizontal. f(x) = x3 - 15x2 (x, y) = ( , ) (smaller x-value) (x, y) = ( , ) (larger x-value)

Calculus
Find the slope and the equation of the tangent line to the graph of the function f at the specified point. f(x) = -8/5 x^2 + 7 x + 7;(-1, -8/5) slope tangent line y =

Calculus
Let f(x) = 4x5/4 + 10x3/2 + 9x. Find the following. (a) f '(0) = (b) f '(16) =

spanish
luke y renato / venir / a tu casa / para escuchar música nosotros / poder / almorzar / con lori y roberto thad y lorenzo / preferir / salir / con sus amigos berta y amanda / querer / almorzar / en el parque can someone help i am lost i have to put these words in to ques...

Accounting
Samuels, Inc. reported net income for 2011 is $105,000. During 2011 the company had 5,000 shares of $100 par, 5% preferred stock and 20,000 of $5 par common stock outstanding. Samuels’ earnings per share for 2011 is A.$4.00 B.$5.25 C.$6.50 D.$5.00

Accounting
On April 1, 2011, Albert Company purchased $50,000 of Tetter Company’s 12% bonds at 100 plus accrued interest of $2,000. On June 30, 2011, Albert received its first semiannual interest. On February 1, 2011, Albert sold $40,000 of the bonds at 103 plus accrued interest. T...

Accounting
Available-for-sale securities are securities that management expects to sell in the future, but are not actively traded for profit. A.True B.False

Accounting
Ruben Company purchased $100,000 of Evans Company bonds at 100 plus $1,500 in accrued interest. The bond interest rate is 8% and interest is paid semi-annually. The journal entry to record the receipt of interest on the next interest payment date would be: A.Debit: Cash $4,00...

Accounting
When long-term investments in bonds are sold before their maturity date, the seller deducts any accrued interest since the last interest payment date from the selling price. A.True B.False

Accounting
Jacks Corporation purchases $200,000 bonds plus accrued interest for 2 months of $2,000 from Kennedy Company on March 1. The bonds have an annual interest rate of 6% payable on June 30 and December 31. The entry to record the purchase of the bonds would include: A.Interest Re...

Accounting
Which of the following is not a part of comprehensive income? Answer foreign currency items restructuring charges unrealized gains and losses pension liability adjustments

physics
I have another question for the problem below, so What is the speed of the car just before it lands safely on the other side? would it be the same 38.6 meters/sec A 10,000N car comes to a bridge during a storm and finds the bridge washed out. The 650-N driver must get to the o...

physics
I have another question for the problem below, so What is the speed of the car just before it lands safely on the other side? would it be the same 38.6 meters/sec A 10,000N car comes to a bridge during a storm and finds the bridge washed out. The 650-N driver must get to the o...

physics
I have another question for the problem below, so What is the speed of the car just before it lands safely on the other side? would it be the same 38.6 meters/sec A 10,000N car comes to a bridge during a storm and finds the bridge washed out. The 650-N driver must get to the o...

UK Taxation
OPPA is the controlling shareholder and managing director of GANGNAM Ltd, un unquoted trading company that provides support services to the oil industry OPPA disposed of the following assets during the tax year 2009-10 1. On 8 April 2009 OPPA sold five acres of land to GANGNAM...

eDX
8.8279928732e-20 you're welcome guys

eDX
If the diffusivity is observed to double when the temperature increases by 10⁰ C, what is the activation energy for diffusion?

Chemistry
I was able to find both the Mol Frac and m now. The only problem is w/w. m) (40.0gNaCl)*(1molNaCl/58.33gNaCl)=.684mol Nacl -200.0gH20*(1molH20/18.02gH20)=11.mol H20 -200g= .2L ** .684mol NaCl/.2LH20= m=3.42 Mol Frac) .864molNaCl/(.864molNaCl+11.02)= .580 w/w .684/11.02= 3.63

Chemistry
Dr.Bob, Could you please show the work for w/w and mol frac. I continue to get a completely bizarre number. The only one that I am getting correct is the molal part.

Chemistry
A solution contains 40.0 g of sodium chloride and 200.0 g of water. Calculate the NaCl concentration as a a) mass percentage, b) molality, c) mole fraction. I have trouble finding mole fraction. I believe I've got the other two, but I'm not 100% sure.

Chemistry
Calculate the osmotic pressure at 22 °C of a 0.25 M solution of a) dextrose, b) magnesium chloride.

Math
Is this correct? Mode 7, median 7, range 15

Math
What is the mode, median, range for: 2,2,4,4,7,7,7,11,12,17

statistics
100 explanation 600*1/6=100

statistics
You can't do nothing about stop them cheating , but you have fun leading them in the wrong direction? This makes you feel better than them? :))))...don't you feel it's something wrong?

statistics
You can't do nothing about stop them cheating , but you have fun leading them in the wrong direction? This makes you feel better than them? :))))...don't you feel it's something wrong?

statistics
there are 3 reasons for which you do not understand this easy statistic issue: -teacher did not explained you well enough( which I doubt) -you are not attentive(which is most likely) -you are not accurate or you jump directly on seeking answers,without a complete judgement of ...

statistics
D)The statistical standard deviation Sigma is the square root of the variance; the variance is described as the average difference from the mean. How far is each data point from the mean? 1-0=1 1-0=1 -1-0=-1 -1-0=-1 0-0=0 0-0=0 (1^2+1^2+(-1)^2+(-1)^2+0^2+0^2)/6=4/6=2/3 sqrt(2/...

Calculus
An object is traveling along the x axis so that its speed is given by v(t)=t^2-7t+10 m/s. (a) Find the times when the object is at rest. (b) Find the acceleration at both of these times. Interpret the acceleration in terms of the motion of the object, ie whether the object is ...

Chemistry
Is there a difference between SiO2(aq) and H4SiO4?

math
0.2(x+30)-0.03(x-40)=17.4

precalculus
solve equation for solutionn over interval [0,360): cot(è)+4csc(è)=5

precalculus
solve equation for solutionn over interval [0,360): cot(è)+4csc(è)=5

English - Poetry
Here is a copy of the poem: My children play with skulls for their classrooms are guarded by warlocks who scream at walls collapsing into paper toilets plump witches mouth ancient curses in an untaught tongue test children upon their meaning assign grades in a holocaust rangin...

English - Poetry
What does Audre Lorde's poem School Note mean? Most notably, what does the last stanza, "My children play with skulls/ and remember / for the embattled / there is no place / that cannot be / home / nor is."?

Discrete Math
Let f : R R→Z be the closed binary operation defined by f (a, b) _ _a + b_. (a) Is f commutative? (b) Is f associative? (c) Does f have an identity element?

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