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November 23, 2014

Posts by randy


Total # Posts: 364

math
find the lateral area of a right prism whose altitude measures 20 cm and whose base is a square with a width 7 cm long.
January 10, 2012

math
a rectangle has a perimeter of 22cm and an area of 30 cubic meter. what are its dimensions?
January 8, 2012

math
2. the volume of a rectangular solid is 5376 cubic meters, and the base is 24 meters by 16 meters. find the height of the solid.
January 8, 2012

math
1. find the lateral area of a right prism whose altitude measures 20 cm and whose base is a square with a width 7 cm long.
January 8, 2012

math
the inner circumference of a ring is 1.2pi cm. the outer circumference of the ring is 2pi cm. find the area of the region bounded by the outer and inner circumference.
January 8, 2012

math
4. the area of a rectangle is 450 m^2. both the length and width of the rectangle are increased by 10%. what is the area of the new rectangle?
January 8, 2012

math
1. find the lateral area of a right prism whose altitude measures 20 cm and whose base is a square with a width 7 cm long. 2. the volume of a rectangular solid is 5376 cubic meters, and the base is 24 meters by 16 meters. find the height of the solid. 3. a rectangle has a ...
January 7, 2012

math
a square pyramid has an altitude measuring 5 cm and a side of its bases measuring 6 cm. find the lateral area of the pyramid.
January 7, 2012

Calc
Suppose 4y + xy = 2. Evaluate d^2x/d2^y at the point (-3, 2).
December 28, 2011

ALGEBRA
Suppose the modified quota is 8.57. Fill in the blanks, and round your answers to two decimal places.
December 18, 2011

Chemistry
:::F-N:-F::: -H
November 21, 2011

physics
A bat at rest sends out ultrasonic sound waves at 51.1 and receives them returned from an object moving directly away from it at 22.3 .
November 16, 2011

Biology
the biome with the fewest seasonal changes is?
October 29, 2011

physics
A jetliner can fly 5.57 hours on a full load of fuel. Without any wind it flies at a speed of 2.43 x 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip. During the entire flight, ...
October 6, 2011

physics
An airplane with a speed of 85.1 m/s is climbing upward at an angle of 54.4 ° with respect to the horizontal. When the plane's altitude is 759 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly beneath the point...
October 6, 2011

physics
Relative to the ground, a car has a velocity of 14.4 m/s, directed due north. Relative to this car, a truck has a velocity of 24.8 m/s, directed 52.0° north of east. What is the magnitude of the truck's velocity relative to the ground?
October 6, 2011

physics
A ball is thrown upward at a speed v0 at an angle of 59.0¢ª above the horizontal. It reaches a maximum height of 8.7 m. How high would this ball go if it were thrown straight upward at speed v0?
October 6, 2011

physics
A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 16.8 m/s at an angle of 30.0¢ª above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air ...
October 6, 2011

math
Help. I cannot solve this problem.\ 3(a+4)/9 = 2a - 12
October 4, 2011

physics
A speedboat starts from rest and accelerates at +1.68 m/s2 for 5.43 s. At the end of this time, the boat continues for an additional 8.16 s with an acceleration of +0.475 m/s2. Following this, the boat accelerates at -0.866 m/s2 for 7.54 s. (a) What is the velocity of the boat...
October 3, 2011

physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 2.03 m/s2. The magnitude of the car's velocity at the end of ...
October 3, 2011

physics
In an historical movie, two knights on horseback start from rest 72.6 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.280 m/s2, while Sir Alfred's has a magnitude of 0.250 m/s2. Relative to Sir George's ...
October 3, 2011

prealgebra
IM stuck on a question. PLease help. A teacher is giving candy to his periods. First period gets 1/3 and 2nd period gets 1/4 and 3rd period gets 1/3 and finally 4th period gets 22 pieces. How many pieces did each period get? Im stuck!!
August 31, 2011

prealgebra
if 9% = 22 what is 100%?
August 31, 2011

geometry
In the equation y = 3x − 4, the __________.
June 25, 2011

Trig
The graph of y = 7cosx + 24sinx would be a sinusoid if it were plotted. What would be the first positive value of x at which there is a high point?
June 17, 2011

life orientation
critically discuss 5 ways in which the human or enrimental problem impacts on the community within south africa
June 12, 2011

English
What examples does Holden give about how mean the guys at Pency were treating him in chapter 22 of The Catcher in the Rye?
May 26, 2011

algebra
what is the slope of line that passes through (-3,-8) and (0,6)
May 25, 2011

geometry
Which of the following are measurements of the sides of a right triangle? Select one of the options below as your answer: A. 3, 4, 5 B. 28, 26, 12 C. 17, 14, 6 D. all of the above
May 6, 2011

algebra please help!
I need help understanding how to do these problems. Thanks! 1) Find the value(s) that would be left out of the range of f. If there is more than one value separate them by commas. Leave fractional answers in fraction form. If there are no values left out of the range respond ...
May 3, 2011

physics
Find the minimum kinetic energy needed for a 3.7×104-kg rocket to escape the Moon.
April 28, 2011

physics
Meteorites from Mars Several meteorites found in Antarctica are believed to have come from Mars, including the famous ALH84001 meteorite that some believe contains fossils of ancient life on Mars. Meteorites from Mars are thought to get to Earth by being blasted off the ...
April 28, 2011

Math (Reflection across y=x line)
Here's a question that I am having trouble with: What is the resulting equation when y=x^3+2x^2 is reflected across the y=x line? I know that I need to switch the y with the x's in the equation, so is the answer they're looking for simply x=y^3+2y^2 or do I need to...
April 5, 2011

Rational Inequality with Absolute Value
Thanks for you help. I would have expressed my answer in the way you suggested, but I wasn't sure how to type the infinity symbol. I will watch out for the glitch you mentioned. Thanks again, Randy
March 26, 2011

Rational Inequality with Absolute Value
Here's a question I'm having trouble with: |x|/|x+2|<2 Solve for x. I'm trying to use the case method to solve this problem. Basically I just need confirmation that I did this correctly. I'm doing this through distance learning so I can't ask a teacher ...
March 26, 2011

Physics
At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at rest, slides without friction, and descends through a vertical height of 2.41 m, what is her speed at the bottom of the slide?
March 22, 2011

financial management
You have been hired by first citizens bank as a financial analyst. One of your first assignments is to analyze the present financial condition of Bradley Stores, Incorporated. You are provided with the following 2009 balance sheet and income statement information for Bradley ...
March 21, 2011

Physics
When you push a 1.82-kg book resting on a tabletop, it takes 2.30 N to start the book sliding. Once it is sliding, however, it takes only 1.46 N to keep the book moving with constant speed. Q1. What is the coefficient of static friction between the book and the tabletop? Q2. ...
March 7, 2011

physics
Driving in your car with a constant speed of 12 m/s, you encounter a bump in the road that has a circular cross-section. If the radius of curvature of the bump is 35 m, find the apparent weight of a 63-kg person in your car as you pass over the top of the bump.
March 6, 2011

physics
When you take your 1000-kg car out for a spin, you go around a corner of radius 57 m with a speed of 11 m/s. The coefficient of static friction between the car and the road is 0.88. Assuming your car doesn't skid, what is the force exerted on it by static friction?
March 6, 2011

physic
5900
March 6, 2011

physic
A 120-kg box is loaded into the trunk of a car. If the height of the car's bumper decreases by 20 cm , what is the force constant of its rear suspension? looking for N/m
March 6, 2011

Physics
To move a large crate across a rough floor, you push on it with a force at an angle of 21 below the horizontal, as shown in the figure. Find the acceleration of the crate if the applied force is 400 , the mass of the crate is 32 and the coefficient of kinetic friction is 0.31.
March 6, 2011

Math/Algabra
The perimeter of a triangle is 102. side b is twice as long as side A. and side C is three less than side B.. how long is each side.
February 13, 2011

math-logs
1. logaB = 2 and logbC = 4, evaluate logcA *the lowercase letters are bases ie. log(base a)B 2. solve for x: (log(base 2)x))^3 = log(base 2)x
February 13, 2011

Kinematics
A car has an acceleration of 2 m/s2. What is its speed 3 seconds after it starts moving?
February 1, 2011

Math
What is the surface area of a right circular cylinder with base circle of radius of 5m and height of the cylinder 10m?
January 18, 2011

Prove trig identity
Thank you.
January 9, 2011

Prove trig identity
Sorry forgot the =1 on the end, ((sec^2)x-1)((csc^2)x-1)=1
January 9, 2011

Prove trig identity
secant squared... ((sec^2)x-1)((csc^2)x-1)
January 9, 2011

Prove trig identity
Prove the following trigonometric identity: (sec^2x-1)(csc^2x-1)=1
January 9, 2011

PSY 202
why is it important to considereach domain in the study of adult development?
December 15, 2010

statistics
A USU today survey found that of the gun owners surveyed 275 favor stricter gun laws. Test the claim that the majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.
December 7, 2010

chemistry HMWK help....... REPOST
This is a stoiciometry question! You have the correct chemical equation already so: First calculate the number of moles of Pentane, than use stoiciometry to figure out the number of moles of CO2 produced and finally convert it to mass using the molar mass. Do you know how to ...
November 11, 2010

PHYSICS !
If i understand correctly, you mead that a the ball is in free fall after running off of the end of a ramp. That would mean that in the vertical direction the ball will accelerate (speed up) because of the force of gravity. In the horizontal direction it will have a constant ...
November 11, 2010

math
Are the beginign and end points of the race both at the intersection? or is the shop in the middle of the street?
November 11, 2010

chemistry
When I am writing a half-reaction with a corroding metal that is in Deaerated water, what can i assume there to be in the water that can show up in a half-reaction?
November 11, 2010

chemistry
When I am writing a half-reaction with a corroding metal that is in deionized water, what can i assume there to be in the water that can show up in a half-reaction?
November 11, 2010

algebra
the graph of the axis of symmettry of the parabola y=2x^2-11x+3 is best describe by which of the following equations?
November 2, 2010

English
I need a 450 word thesis about why buying a house is better than renting an apartment?
October 30, 2010

chemistry
How many moles of Cu are needed to react with 3.50 moles of AgNO3?
October 30, 2010

physics
A satellite orbits at an average altitude of h = 409 km. What is its orbital speed? Use REarth = 6370 km and mEarth = 5.98 x 10^24 kg
October 25, 2010

chemistry
thank you
October 25, 2010

chemistry
thank you :D
October 25, 2010

chemistry
Suppose that the microwave radiation has a wavelength of 10.8 cm. How many photons are required to heat 225 mL of coffee from 25.0*C to 62.0*C ? Assume that the coffee has the same density, 0.997 g/mL , and specific heat capacity, 4.184 J/(gK), as water over this temperature ...
October 25, 2010

C programming
A few questions, all involving "for" loops that I am unsure how to do (Thank you in advance for the help): Q1.) Write a table of conversions from Celsius to Rankin. Allow the user to enter the starting temperature and increment between lines. Print 25 lines in the ...
October 18, 2010

Algebra
What is the solution of -4x +1 > or equal to 7 I get these really confused on how to solve these. Thank you
October 5, 2010

statistics
Find z such that 20.3% of the standard normal curve lies to the right of z. 0.831 0.533 -0.533 -0.257 0.257
September 26, 2010

Statistics
How do frequency tables, relative frequencies, and histograms showing relative frequencies help us understand sampling distributions? A. They help us to measure or estimate of the likelihood of a certain statistic falling within the class bounds. B. They help us visualize the ...
September 26, 2010

statistics
Assume that about 45% of all U.S. adults try to pad their insurance claims. Suppose that you are the director of an insurance adjustment office. Your office has just received 110 insurance claims to be processed in the next few days. What is the probability that fewer than 45 ...
September 26, 2010

physics
A log is floating on swiftly moving water. A stone is dropped from rest from a 84-m-high bridge and lands on the log as it passes under the bridge. If the log moves with a constant speed of 3.6 m/s, what is the horizontal distance between the log and the bridge when the stone ...
September 8, 2010

economics
Explain how absolute advantage and comparative advantage differ?
July 30, 2010

Economics
Has the distribution of income in Canada become equal or more unequal?
July 26, 2010

economics
What is one of the major welfare challenges in Canada and how is it being tackled
July 26, 2010

economics
Why might it be appropriate for the government to allow a pharmaceutical company to have a monopoly in the production of a drug?
July 20, 2010

geometry
If an object is rotated clockwise 130° around a center and then counterclockwise 75° around the same center, what is the angle between the original image and second image?
July 12, 2010

Confedertaion college
Suppose that a scientific breakthrough leads to the discovery of a new cheap source of energy. What would be the effect of this invention in the short-run and in the long-run?
June 22, 2010

IT
identify at least two data structures that are used to organize a typical file cabinet. why do you feel it is necessary to emulate these types of data structures in a computer program. For what kind of work project would you want to use this type of program?
June 1, 2010

Pre-cal
Please determine the following limit if they exist. If the limit doe not exist put DNE. lim 2x^3 / x^2 + 10x - 12 x->infinity. Thanks.
May 10, 2010

Pre-cal
Please determine the following limits if they exist. If the limit does not exist put DNE. lim 2+6x-3x^2 / (2x+1)^2 x-> - infinity lim 4n-3 / 3n^2+2 n-> infinity I did lim 2+6x-3x^2 / (2x+1)^2 x-> - infinity (2+6x-3x²)/(4x²+4x+1) (2/x² + 6/x -3)/(4 + 4/x...
May 9, 2010

pre-cal
Given that lim x->c f(x)=6 and that lim x->c g(x)= -4, evaluate the following limit. Assume that c is a constant. The x in front of the f is confusing me. lim [xf(x) + 3 g(x)]^2 x->c
May 8, 2010

Pre-cal
Sketech the graph of the equation y^2+4y+2x+10=0. Identify the vertex, the focus and the equation for the directrix. Use the completing the square to put the equation into standard form as your first step. This is what I did. y^2 + 4y = -2x-10 y^2 + 4y + 4 = -2x-6 (y+2)^2= -2(...
May 8, 2010

Pre-cal
Find the vertex of y^2 + 4y + 2x +10 = 0. Use completing the square to put the equation into standard form as your first step. Could you show me how to get the vertex? Thanks
May 6, 2010

Pre-Cal
Given that lim x-> f(x)=6 and that lim x-> g(x)= -4, evaluate the following limit. Assume that c is a constant. lim -2f(x) - 12 / g(x). x->. I did -2(6) - (12/-4) -12 - (-3) -12 + 3 -9
May 5, 2010

Precalculus
Find the limit by direct substitution. A. lim x-> 5 square root cubed of x^2 -2x - 23. I replaced all of the x's with 5 and got -2. B. lim x-> -2 (4x^2 - 7x) / (6x + 10). I replaced all of the x's with -2 and got -15. Go to picturetrail and type in rowdy33. It&#...
May 4, 2010

math
this problem was written by someone who cooks their thanksgiving dinner in the microwave.
April 6, 2010

algebra
you don't have enough information. What is the cost of rent and utilities?
April 5, 2010

Math
Okay, forget it, looked at it again now that I'm awake and get it.
April 5, 2010

Math
I know that, I mean the 1 in the original 1/2L + 1.
April 5, 2010

Math
Okay, so... L(1/2L + 1) =420 L^2/2L+1=420 L^2 + 2L = 840 L^2 + 2L -840=0 factor (L-30)(L+28)=0 what happens to the +1?
April 5, 2010

Math
cool, thanks. I know that's the right answer, didn't know how to get there.
April 5, 2010

Math
why is the length x+1? shouldn't it be width=1/2L+1?
April 5, 2010

Math
The area of a rectangle is 420 sq. meters. The width is 1 meter longer than half the length, find the dimensions of the court. Not sure how to do this, although I know the answer.
April 5, 2010

accounting
biily is right, credit owner equity, debit the assets. Unless they're not listed, in which case there's no entry.
April 4, 2010

geometry
If a rectangle has an area of 64 square units and a length of 16 units, what is its width? If necessary, round your answer to two decimal places.
February 25, 2010

college
what is ADE/CLR?
January 20, 2010

college
what is ADE/CLR?
January 20, 2010

biology
consider two plants wuth the genotypes Rrtt and rrTt where red color (R) is dominant over white (r) and being tall (T) is dominant over being short (t). complete the punnett squares to determine the possible ganetes each parent could produce. using the punnet square (16 ...
January 19, 2010

Chemistry
If 5.27 mol of ethane (C2H6) undergo combus-tion according to the unbalanced equation C2H6 + O2 −! CO2 + H2O, how much oxygen is required? Answer in units of mol. Thanks!
January 18, 2010

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