Tuesday
July 26, 2016

Posts by brenda

Total # Posts: 500

physits
if the treadmills initial speed is 1.6 m/s what's it final speed
October 3, 2013

Pre-Cal
For given functions f and g find formulas for a)f o g and b)g o f. Simplify results as much as possible. f(t)= t-3/t+6 , g(t)= 1/(x+6)^2
September 17, 2013

Math (College Pre-Cal)
For given functions f and g find formulas for a)f o g and b)g o f. Simplify results as much as possible. f(x)= x+7/x-13 , g(x)= 1/x+1
September 17, 2013

suno
a 250 g yoyo is swung on the end of a 50cm string at a constant speed of 4/ms. the centrpetal force acting on the yoyo
September 14, 2013

math
Is it 56?
September 12, 2013

math
I am a 2 digit number. I am even. My digits have a difference of 1. I am not a multiple of 5. The sum of my digits is 11. What number am I?
September 12, 2013

College Geometry
A: 3=(3/2)sin(2tt/3)=3,3/4 sq units and so on. 3=3*tan(tt/3)=3,3 sq units. B: go 3.5 C: 3, 6,9, 12. D: not sure E: they go up. F: 6, 12, 18.?
September 3, 2013

Chemisty
How do I solve what is the mass of a 32.5 mL sample of ethanol if the density of ethanol is .789 g/mL. I know Mass = Density * Volume. So 32.5 mL * .789g/mL = the mass, but I don't know how to solve that.
August 26, 2013

Math
Write the ratio 2.7kg to 1.8kg as a fraction to the simplest form, with whole numbers in the numerator and denominator.
July 31, 2013

Phoenix University
You are the head of the health information management department at General Hospital. An FBI agent has arrived at your office with a search warrant in hand. He asks to speak with you about the hospital's health records. How should you respond?
July 9, 2013

biology
Jesus. Jesus is always the answer. No but I found this page on google and I need the answer to this question for my bio assignment. We're all children of God. Love thy neighbour. Whats the answer fam?
July 8, 2013

conceptual science
In the absence of air resistance, a ballplayer tosses a ball straight up. (a) By how much does the speed of the ball decrease each second while it is ascending? (b) By how much does its speed increase each second while it is descending? (c) How does the time of ascent compare ...
June 23, 2013

Accounting
True
June 9, 2013

algebra
Which point lies on the line defined by the equation 4x+3y=27 A. (-3,5) B. (5,3) C. (3,5) D. (-5,3)
June 4, 2013

CRT/205
I have to identify the rhetorical devices in this article race, class, and real estate by Sheryll D. Cashin august (2004)
June 2, 2013

chemistry
what is the percentage of alcohol in a misture containing 1500 mo of witch hazel (14% alcohlol), 2000 ml of glycerin, and 5000 mls of 50% alcohol?
June 2, 2013

algebra
how many grams of 2.5% hydrocortisone cream should be mived with 360 g of 0.25 to make a 1% hydrocortisone cream
June 2, 2013

math
The Flour Power Bakery makes 200 cherry cheesecakes at a cost of $2.45 each. If a spoilage rate of 5% is anticipated, at what price should the cakes be sold to achieve a 40% markup based on cost?
May 31, 2013

Accounting II
calculate the total dividends and the per-share dividends declared on each class of stock for each of the six years.
May 22, 2013

n-clex RN
which book is good to study for n-clex rn
May 10, 2013

MATH
CALCULATE THE MISSING LENGTH VOLUME= 1,000 CM CUBED
May 9, 2013

Business Law
yes
May 4, 2013

American History
Awesome thanks Ms. Sue you are awesome
May 2, 2013

American History
Ms Sue am i on the right track: The philosophers Ralf Waldo Emerson and Henry David Thoreau, poet Walt Whitman fought for self-reliance and independence. Many American philosophers of this period argued against slavery: William Lloyd Garrison, an abolitionist whose works were ...
May 2, 2013

American History
During the 1820 and 1830 a distinct American culture began to emerge. What philosophies, artists and artists works contributed to this culture? What were the unique American themes explored within these works? Help I dont know where t begin to answer this question especially ...
May 2, 2013

HCS/335
what is the historical and current impact of the biomedical issue?
April 23, 2013

english
i need help to i think is c.
April 22, 2013

college algebar
logb x= logb(x+2)-logb8
April 13, 2013

statostocs
The Precision Scientific Instrument Company manufactures thermometers that are supposed to give readings of 0°C at the freezing point of water. Tests on a large sample of these thermometers reveal that at the freezing point of water, some give readings below 0°C (...
April 10, 2013

math
Determine the value of x(4 - x) + 2 when x = –1.
February 12, 2013

college algebar
5< x-2/6 <6
February 11, 2013

algebra
70% = 7 ft (10ft x 70% = 7ft) after 10 bounces 10 x 7ft = 70 ft
February 10, 2013

business
using your full purchasing power, substituting products or suppliers, and placing high-volume orders
February 10, 2013

Science
Need help with a research topic for a paper on conservation of fresh water. I have to include two disciplines of classes - history and human and family development. Also, I need to integrate a theory - Bandura's theory of modeling? Can anyone help me? Throw me a bone to ...
February 10, 2013

Education/Technology
I would go with D. They are portable - think of a CD or an USB device. You can insert a CD or USB and take it out. If the teacher changes classes, she can take her removeable media with her.
February 10, 2013

math
Generalize the pattern for the division of (x^n)-(y^n) by x-y
February 2, 2013

math
n points are arranged on a cirlce and all the chords drawn. Let I(n) be the number of intersection points inside the circle if no 3 chords are concurrent. Find a formula for I(n).
February 2, 2013

math
thank you!!
February 2, 2013

math
n points are arranged on a cirlce and all the chords drawn. Let I(n) be the number of intersection points inside the circle if no 3 chords are concurrent. Find a formula for I(n).
February 2, 2013

alphabetize
How do you alphabetize(using the actual number) 7 and 150?
January 28, 2013

math
what is an example or a quintic function with exactly four real zeros?
January 28, 2013

math
What is an example of a quintic polynomial function that has exactly four zeros?
January 28, 2013

math
What is an example of a quintic polynomial function that has exactly four zeros?
January 28, 2013

algebar
A rectangle is 5 times as long as it is wide. If the area is 125 square feet, find its perimeter.
January 26, 2013

Chemistry.
Caculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. A.) n=3->n=2 B.) n=4->n=3 C.) n=2->n=1 How do you do this. Could you please just show me step by step for atleaset one. Please!
January 24, 2013

Chemistry
When n=3, the possible values of l are: 5, 4, 3, 2, 1, and/or 0? How do you know?
January 19, 2013

Chemistry
a.) Caculate the energy of light emitted when an electron moves from n=2 to n=1 in the hydrogen atom. b.) Caculate the energy of light emitted when an electron moves from n=4 to n=2 in the hydrogen atom. c.) How many total different light energies can be emitted from an ...
January 19, 2013

math
For how many positive integers n does n! end in exactly 5 0s?
January 10, 2013

math
For how many positive integers n does n! end in exactly 5 0s?
January 10, 2013

math
What is the simplified form of the square root of 8x^5?
January 5, 2013

math
What is the simlified form of the square root of 8x^5?
January 4, 2013

math
You draw 2 marbles from a bag containing 3 blue marbles, 2 green marbles, and 5 red marbles without replacement. What is the probability of drawing a red marble and then a green marble?
January 4, 2013

Physics - Heat Transfer
aaaaaaaaahhhh. got it. you have to add them and set them equal to zero.
December 6, 2012

Physics - Heat Transfer
I am trying to calculate heat transfer between two objects. The units are as follows: m1: 100 g t1: 10 degrees C spec heat 1: 1.00 cal/g degree C m2: 200 g t2: 90 degrees C spec heat 2: 0.2 cal/gm degree C I set Q1 = Q2 m1 x spec heat 1 x delta T1 = m2 x spec heat 2 x delta T2...
December 6, 2012

Physics - Unit Conversion
I am trying to calculate heat transfer between two objects. The units are as follows: mass: grams specific heat: cal/gm degree celsius temperature: degree celcius My numbers aren't working out and I know how to do the problem. So, what's the deal with the gm. Is that ...
December 4, 2012

physics
1/200 = 0.005 meters / rad pi rad / node x 0.005 meters / rad = 0.0157 m / node
November 20, 2012

Math
(4.5 km/hr x X) + (3.5 km/hr x Y) = 40 Where X is the time there and Y is your time back. X = (40 - 3.5 Y) / 4.5 = 8.88 - 0.77Y Now plug X back into your original eqn and solve for Y: 4.5 (8.88 - 0.77Y) + 3.5Y = 40 Got it?
November 19, 2012

Physics
I think you solve it like this...do you have the answer to verify? I am no genius in physics... Forces in the x direction = friction = mass x acceleration. friction forces is found by multiplying the coefficient of friction (u) by the normal force. so. -u x mass x gravity = ...
November 17, 2012

Physics
ok. thanks.
November 17, 2012

Physics
Won't the amplitude and period be greater at a maximum?? Do you know why we can use the given values??? As far as I can tell, we assume that 0.6 and 4.1 are maximums...I am not following. This gives me the correct answer, so, I guess I'm not understanding the equation ...
November 17, 2012

Physics
The period of oscillation of a spring-and-mass system is 0.60 s and the amplitude is 4.1 cm. What is the magnitude of the acceleration at the point of maximum extension of the spring? I have too many unknowns to use the equation for frequency, period, acceleration, velocity. ...
November 17, 2012

Physics (maybe it's just math)
A sphere of copper is subjected to 89.7 MPa of pressure. The bulk modulus is 130 GPa. a) By what fraction does the volume of the sphere change? b) By what fraction does the radius of the sphere change? for a) I have dV/V = 0.00069 - this is correct. for b) the area I have 4/3 ...
November 17, 2012

physich
initial momentum = final momentum m1v1(initial) + m2v2(initial) = m1v1 (final) + m2v2 (final) Initial Final m1 = m m1 = m v1 = 280 m/s v1 = ? m2 = 16m m2 = 16m v2 = 0 v2 = ? Plug them in and cancel out your ms and solve for v1 or v2. Then go back and plug that solved value ...
November 4, 2012

algebra
35 cents to $2.20. Whats the question?
November 4, 2012

Grand Canyon University
Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.
October 27, 2012

Economics
Would Wells Fargo's market structure be Monopolistic competition?
October 27, 2012

Physics
I found the average acceleration of earths orbit around the sun over a period of 5 days by calculating delta theta and dividing by radius and 1/T. I got the right answer but as I am studying for my test, I am seeing the units do not work...does this make sense? Can someone ...
October 24, 2012

Chemistry
In the experiment 0.500 g of copper reacted with oxygen to give 0.563 g of copper oxide. What is the empirical formula of the oxide expressed as a chemical formula?
October 24, 2012

Physics
How do I find the instantaneous acceleration of the earth orbiting the sun? Everything I am trying is incorrect. I am using 1 second as my time and get 1.99E-7 rads/second. First I tried: acceleration = theta x t / radius Where: theta = 1.99E-7 rads radius = 6.371E6 Then I ...
October 23, 2012

Physics
Trying to find escape speed from a planet and I am given the radius and gravitational field - g = 18 m/s^2. I have the conservation of energy, final energy is zero, I have the formula for V = sqrt 2GM/r, u = mgy. I have too many unknowns...I can't solve anything. What am I...
October 23, 2012

Chemistry
hmm. I'm a bit stumped. Why did the instructions say it is not a simple mol/L calculation? You must have the quantity of the acetone/impurity mix? At that point, you could simply say that you have so many grams / L of acetone. But, since it's not a straight calculation...
October 23, 2012

Chemistry
hmm. I think you're leaving information out. Concentration is found by mass of acetone / volume liquid. Dividing initial volume by final volume leaves you with a unitless number - the percent of impurities maybe, and this isn't helping your case. You should have pretty...
October 23, 2012

statistics
.08 is the probability for defective parts.
October 20, 2012

statistics
Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding probabilities. I believe the ...
October 20, 2012

Physics
I am grazing for answers because I spent 5 hours or more manipulating basically 1 equation and plugging in numbers to no avail. I was using my e^x function as 10^x. 8-/
September 29, 2012

Physics
A spy satellite is in circular orbit around Earth. It makes one revolution in 6.01 hours. (a) How high above Earth's surface is the satellite? [Answer in Km] (b) What is the satellite's acceleration? [Answer in m/s^2] I see this posted over and over again and I have ...
September 29, 2012

physics
A large air-filled rubber ball is tethered to the bottom of a swimming pool. The tension in the tether is 100N. The mass of the rubber in the ball itself is 2kg while pwater=1000kgm(-3) and pair=1.2 kgm(-3). What is the volume of the ball?
September 27, 2012

Physics
A boy wishes to row across a river in the shortest possible time. He can row at 2m/s in still water and the river is flowing at 1m/s. At what angle should he point th efront of his boat? The answer is 90 degrees but I dont understand how to solve the problem using the velocity...
September 23, 2012

ashford university
"Exercise 16-3 Determining the present value of a lump-sum future cash receipt Marsha Bittner expects to receive a $600,000 cash benefit when she retires five years from today. Ms. Bittner’s employer has offered an early retirement incentive by agreeing to pay her $...
September 12, 2012

math
The population of a town is given by P =350t + 5000, where t is years after 1980. Teh input variable is what? and the Outpur variable is what? the ordered pairs are in the form of what. and what is the meanng of P(0) = 85000 in the context of this problem
September 9, 2012

medical transcription
He has, on physical examination, many erythematous actinic keratosis still present on the forearm. They are flat, but these are much less than before. He has, in addition, on his buttocks, 2 lichenified areas of erythema bilaterally on the buttocks where he sits.
August 28, 2012

omm 612612 Managing in Social Change
If you could choose between what we called the Anglo-American political economy and the continental European model of political economy, which would you prefer? Why?
August 21, 2012

macroeconomics
evaluate expectations through a Keynesian perspective or classical perspective. I need help figuring out how to do this.
August 19, 2012

Principles of Macroeconomics
Describe how expectations affects aggregate supply and demand through a classical perspective or keynesian perspective
August 19, 2012

math
In a scaled drawing 1/3 of an inch represents 6 feet how many inches represent 54 feet
August 7, 2012

business
I am having problems understanding cost variance model; Can you give me a simplyfied formula to determine budgetary variance models? I have an example.
July 22, 2012

Healthcare Finance
Metropolis Health System has received a wellness grant from the charitable arm of an area electronics company. The grant will run for twenty-four months, beginning at the first of the next fiscal year. Two therapists and two registered nurses will each be spending half of ...
July 18, 2012

business finance
HELP ME GET STARTED ON THIS. I don't know what to do with the estimated demande & probability. This requires managers to estimate demand for the new product and assign probabilities. A range, rather than only one goal will be established. The first strategy is to set a ...
July 4, 2012

Accounting
A meeting of senior managers at the Pringly Division has been called to discuss the pricing strategy for a new product. Part of the discussion will focus on estimating sales for the new product. Over the past years, a number of new products have failed to meet their sales ...
July 2, 2012

Consumer math !!!! please check
Are the answers right or wrong above?
May 24, 2012

dressmaking
can someone help me check my 4 answers to examination 042025000 thank you!!
May 22, 2012

dressmaking
EXAMINATION 04202500 ALTERATIONS AND FITTING I NEED TO CHECK 5 ANSWER, (1) The shoulder seam of the garment with a set-in sleeve is usually located so that it is (A) easily seen in a straight back view, (b) clearly visible in a straight front view.(C)in line with the underarm ...
May 22, 2012

Intermediate Algebra
Essay: show all work. Find the quotient: 49a^2-b^2/7a-b
May 22, 2012

earth
If a satalite weighs 90 kg at 10000 miles from the earth, how far away is it when it weighs 10 kg?
April 12, 2012

Economics
A. :) ....whell yeea
March 28, 2012

math
a square playground has area of 174 m2 .what is the approximate lenght of each side of the playground?
March 10, 2012

business
Which economic system is the best solution to handling a crisis of epic proportion
March 4, 2012

algebra
simplify 8-2(n+4)(-3)^2
February 21, 2012

Math
100+8x = 75+10x 100-75 = 10x-8x 25 = 2x /2 /2 12.5 = x If you order 12.5 squares, the cost will be the same!!!
February 21, 2012

sales tax
How much tax is there on 268.00 @6%
February 11, 2012

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