Thursday
December 8, 2016

# Posts by marvin

Total # Posts: 56

Pressure in Physics
Calculate the pressure of the body with mass 60kg and area of 10m2.
December 2, 2016

calculus help me asap
if y^6=tanh^-1(tan^-4(4x^2+y^2)^2)^9 find dy/dx show work....
September 19, 2016

maths need help
the diameter of a circular grass-field is 40m. There is a road of width 1 m starting from 1 m away of its end point. Calculate the expenditure to grass the road at a rate of 26 paise per m^2. Plz help with solution
September 17, 2016

calculus plz help me
Show that the numerical value of the radius of curvature at the point (x1, y1) on the parabola y^2=4ax is [2(a+x1)^3/2)]/a^1/2. If c is the centre of the curvature at the origin O and S is the point (a, 0), show that OC=2(OS) plz show me working plz
September 16, 2016

calculus need help
If 3ay^2=x(x-a)^2 with a>0, prove that the radius of curvature at the point (3a, 2a) is 50a/3. Help with working plz
September 16, 2016

maths need help
find the radius of a circle that is the tangent to all the three side of the triangle ABC given that the triangle hve lenght 7,24 and 25 help?
September 15, 2016

Physics
An 11N force acting due north and a 22-N force acting 30° North of east act concurrently on a point. What is the equilibrant force at that point? I'm having such a hard time.=(
July 2, 2016

maths
a fruit seller buys 712 fruits ,of which 3/4 are apples. of all apples that he bought 1/3 were found to be rotten. if he sold all the good apples at Rs.5 1/4 each.how much money did he receive on selling all the good apples.
June 10, 2016

Science
Hello I just want to know how to calculate the velocity from the given infomation: there is a dart shot from a dart gun and is flying towards an object. For the dart to hit the object, it took 18 frames. There is 240 frames in one second. The distance is 45cm from where the ...
April 28, 2016

physics
A 60ft aluminum at 60 degree farenhiet to 100 degree farenhiet. Whats is the final length of the aluminum?
March 3, 2016

trigonometry
From the top of a building the angle of depression of a point P on the ground is 15 degrees. The point P is 55 ft from the base of the building. Determine the height of the building.
December 7, 2015

Physics
Stop trying to cheat!
October 30, 2015

Physics
October 29, 2015

math
a ribbon is three and two third yard long may need to cut the ribbon into pieces that are two third yard long how many pieces can she cut
October 21, 2015

LIFE OR
COMPARE FIVE THE WAYS THE SIMILARITIES AND THE DIFFERENCES BTWEEN NFSAS AND OTHER STUDENT IOAN
March 1, 2015

trig
an=(-1)n+1/2n
February 25, 2014

Math
thanks Steve
December 17, 2013

Math
one company has \$200,000 to distribute in dividends. There are 24,000 shares of preferred stock that earn dividends at \$0.40 per share and 80,000 shares of common stock, How much money goes to preferred stockholders?
December 17, 2013

math
What is equivalent markup based on cost of a water fountain that is marked up 80% based on the selling price?
December 14, 2013

science
1.2 x 104 N/C
November 6, 2013

Ms. Sue
is it 22
September 22, 2013

Statistics
Find the variance for the set of data: 24, 31, 16, 22,22.
September 22, 2013

Macroeconomics
what is the NNP for this economy?
September 17, 2013

Macroeconomics
What is the national income for this economy?
September 17, 2013

Macroeconomics
Thanks Ms. Sue
September 10, 2013

Macroeconomics
what is law of demand?
September 10, 2013

Math
so, the sellers price - 20,985 is for the buyer?
September 8, 2013

Math
September 8, 2013

Math
The annual real estate tax on a duplex house is \$20,985 and the owner sells the house after 7 months of the tax year. How much of the annual tax will the seller pay? How much will the buyer pay?
September 8, 2013

Math
6A+A=28
September 8, 2013

Math
A man’s stock earned \$149,000,000. If these earnings represent \$1.18 per share, how many shares of stock are there?
September 8, 2013

College Algebra
x is at lest 9 what is x
June 27, 2013

One of the reasons that certain advertisements are successful is because viewers want to behave like those they observe. What is the general term that psychologists use to describe this type of behavior?
August 26, 2012

Physics
a stone is thrown upward from the ground with a velocity of 80 m/s. how long will it take to reach a point 3 m above the ground on its way down?
July 14, 2012

english
May 24, 2012

hvac/r
When antifreeze is added to water specific heat
May 9, 2012

Res/342 UoP
Is there step-by-step examples to compute these problems using data analysis (ANOVA) and mega-stat? Thx Applied Statistics in Business and Economics: o Chapter 11, Exercises 11.24 and 11.30 o Chapter 15, Exercises 15.29 and 15.32
April 30, 2012

Physics
A 235-g block is pressed against a spring of force constant 1.55 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using energy considerations, determine how far up the incline the block moves ...
November 8, 2011

Physics
A 235-g block is pressed against a spring of force constant 1.55 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using energy considerations, determine how far up the incline the block moves ...
November 8, 2011

human resources
Thanks so much.
November 7, 2011

human resources
9) Having ambiguous training and development goals: A) is best when designing a training or development program, since many people can be stifled by following a stiff organizational procedure. B) is best when designing a training or development program, but is often ...
November 7, 2011

human resources
Having ambigous training and development goals?
November 7, 2011

Organic Chem
Bromine will react with limonene according to this reaction (there's a picture, but I can't get that on here. So I'll do my best to write it out). 136.23 g/mol + Br2 ------> 296.04 g/mol Suppose 627 mg of limonene was reacted with 3.7 mL of a 7.7% (v/v) solution...
November 2, 2011

Trigonometry
the leaning tower of pisa is 179 ft tall. it leans at an angle of 5.5 degrees. if the angle of elevation of the sun is 60 degrees and the sun is opposite the side on which the tower leans, how long is the shadow that the tower will cast?
August 30, 2011

Trigonometry:Angles of Elevation and Depression
1.0352 feet(height)
May 1, 2011

Finance
Your firm is considering leasing a new computer. The lease lasts for 9 years. The lease calls for 10 payments of \$1,000 per year with the first payment occurring immediately. The computer would cost \$7,650 to buy and would be straight-line depreciated to a zero salvage over 9...
August 16, 2010

Human Resources
9) Having ambiguous training and development goals: A) is best when designing a training or development program, since many people can be stifled by following a stiff organizational procedure. B) is best when designing a training or development program, but is often ...
June 20, 2010

physics
metal ball and rubber ball dropped in the 20 ft building in the same time.
February 7, 2010

physics
Light of wavelength 700 nm is incident on the face of a fused quartz prism at an angle of 75 degrees (w/ respect to the normal to the surface). The apex angle of the prism is 60 degrees. Use the value of n=1.46 and calculate the angle (a) of refraction at the surface, (b) of ...
November 22, 2009

Investment
a 10-year bond pays 5% on a face value of \$1,000. if similar bonds are currently yielding 10%, what is the market value of the bond? use annual analysis.
April 3, 2009

math
|4x - 3| < 12 is equivalent to a. -9/4 < x < 15/4 b. -15/4 < x < 9/4 c. none of these d. -16/3 < x < 8/3 e. -8/3 < x < 16/3
January 28, 2009

Economics
1. T / F When the economy is booming the inflation rate tends to rise. 2. T / F Both final and intermediate goods are counted when measuring GDP. 3. T / F Exchange rates are always set by central banks 4. T / F Investments are determined by consumers. 5. T / F Improvements in ...
July 24, 2007

Economics
1. T / F
July 24, 2007

Grammar
Are these answers correct? Punctuation within Sentences—Colon 1. The book had three different features: a hard-bound cover, a ribbon for a bookmark, and the author’s signature. Punctuation within Sentences—Colon 2. German grammar is simple: In that language, ...
July 6, 2007

Grammar
Are these answers correct? Punctuation within Sentences—Colon 1. The book had three different features: a hard-bound cover, a ribbon for a bookmark, and the author’s signature. Punctuation within Sentences—Colon 2. German grammar is simple: In that language, ...
July 6, 2007

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