Friday
September 19, 2014

Posts by peggy


Total # Posts: 84

Math
In the diagram, a building casts a 20-ft shadow and a flagpole casts a 7-ft shadow. If the flagpole is 12 ft tall, how high is the building? Round to the nearest tenth.
April 23, 2014

Algebra
log base 2 x + log base 2 (x-7)=3 solving steps?
April 12, 2014

trig
tan^2(5x)cos^4(5x) = 1/8 - 1/8cos(20x)
March 24, 2014

trig
tan^2(5x)cos^4(tx = 1/8 - 1/8cos(20x)
March 24, 2014

alg 2
Use the definitions and theorems of this section to evaluate and simplify the following expression. Be sure to express answers with positive exponents. (m . n)-1 =
February 22, 2014

algebra
Peter is throwing a surprise party for his friend Tammy. He has a budget of $350. If the restaurant charges $20 per person for drinks and food and a cleanup fee of $35, what is the maximum number of people that he can invite to stay within budget? Write and solve an inequality...
February 10, 2014

statistics
how do the 4th grade girls weight in principal ben's school compare to the national mean weigh = 90 sd=15
February 6, 2014

statitic
is there a significant difference in the mean weight between the eastern and western conference national football league players?
February 6, 2014

Math problem
Aswin has bananas and pears in the ratio 3:8. After he eats 12 pears (and no bananas), there are now twice as many pears as bananas. How many bananas does he have?
September 17, 2013

math
average cost suppose that the daily cost "C" of manufacturing bicyclesis given by c(x)=80x+5000. Then the average cost "C" is given by 80x+5000/x. How many bicyclesmust be produced each day for the average cost to be no more than $100? I am not ...
April 18, 2013

math
how do I order these fractions from least to greatest 5/9, 2/3, 7/12?
January 29, 2013

Math
Is 7 a complex number
December 17, 2012

Math
Mechanics are reboring a 6in deep cylinder to fit a new piston. The machine they are using increases the cylinders radius one-thousandths of an inch every 3 min. How rapidly is the cylinder volume increasing when the bore is 3.800 in.?
November 30, 2012

Math
A kite is being flown at a height of 300 ft, and the wind carries the kite horizontally away at a rate of 25ft/sec. How fast must the string be let out when the kite is 500ft away?
November 30, 2012

Math
Water is flowing at the rate of 50m^3/min from a concrete conical reservoir of base radius 45m and height 6m. How fast is is the water level falling when the water is 5m deep?
November 30, 2012

Math
A spherical balloon is inflated with helium at the rate of 100pi ft ^3/min. How fast is the ballon's radius increasing at the instant the radius is 5ft.?
November 30, 2012

math
a nutritional chart on the side of a box of a cereal state that there are 84 calories in a 3/4 cup serving. how man calories re in 5 cups of the cereal?
November 9, 2012

Chemistry
How (in g/L) of Ar at 32 degrees C and 342 mm Hg?
May 1, 2012

PreCalc
A card game uses a pack of 24 cards, consisting of ace, king, queen, jack, 10, and 9 in each of the four suits spade, hearts, diamonds and clubs. A hand consist of 6 cards. Find the probability a hand includes all four aces.
April 23, 2012

math
Height of a box. Suppose a box has a volume of 100 cubic centimeters and that the area of the bottom of the box is 50 square centimeters. Find the height of the box?
March 7, 2012

science
According to Peter Saundry, there is no true universal code of ethics because standards ods conduct vary from place to place and time to time. True or False
February 16, 2012

Technology in the Classroom
Pentium
November 16, 2011

Technology in the Classroom
A software package that you would like to run on your classroom computer lists a 486 computer as a minimum requirement. On which of the following compputers would you expect the software to be able to run?
November 16, 2011

spanish
No ablo mucho ingles pero tu me puedes ensenar bebe si o no
November 7, 2011

Math 116
5(x-3)=
October 2, 2011

heathhcare
give me a medical timeline from the last 50 years?
September 19, 2011

Math
How long will it take for $100.00 compounded daily at 1.5 % to become $1000.00
September 17, 2011

Math for business
Beginning price $5000. Terms are 2/10 End of Month. Paying on the 9th (before the 10th day of the month) triggers the 2% discount. $100 off. New price $4900. Chain discounts apply. 4900 * 0.91 * 0.93 = $4146.87 Add in the $150 that Morgan agreed to repay for the shipping, the ...
August 31, 2011

math
line segment
July 14, 2011

math
diagonally one way, or both? If both, then I am wrong.
July 14, 2011

math
9 1 5 4 8 3 2 6 7
July 14, 2011

algebra
(2x-7)(6x+9) 12x^2+18x-42x-63 12x^2-24x-63
July 13, 2011

math
5m-6=-3+8m
May 29, 2011

Soc 110
I need to write a paper of body word count of 750 words about the use of surveys by sociologist
May 11, 2011

The world History
I see thank U yes I will for now on thanks
March 6, 2011

The world History
sorry I seen others askin gtheir question so I thought I could
March 6, 2011

The world History
does anyone know the question to exam 007681 & 007682
March 6, 2011

worldhistory
is the answers to the most important outcome of the mongol peace establishment of a stable,goverment across Eurasia? then i think it is spread of western ideas to the east
February 28, 2011

the world history
Does any one have the question to exams007681-007682
February 24, 2011

The World History
I need help with the answers to exams of this subject please anyone can,, on exams007678,007680,007681,007682 please send as soon as possible thanks to the one that is willing to hlep..
February 23, 2011

math
array and expanded algorithm
January 23, 2011

Algebra
express log (3x^5y^3/z^3) as the sum and difference of logs with no exponents.
December 8, 2010

math
7v-10 given that -9v-9=9 simplify the answer. I do not understand the question, can someone help pls.
August 23, 2010

algebra
Need mathamatical expression. The simple interest rate, given that the principal is 3x, the rate is 6%, and the time is 1 year. im so lost with this math question.
August 14, 2010

algebra
find the product of (x^2-3x+5)with the quotient of (21x^6- 14x^5-7x^3)divide by 7x^3
August 9, 2010

algebra
ax^2+bx+c= ax^2(bx+c) ax^2+bx+c= a(x^2+bx+c) I dont understand it, I dont even know if I am on the correct track
August 9, 2010

algebra
This is the question I am trying to answer
August 9, 2010

algebra
explain in your own words how to factor a polynomial of the the form ax^2 + bx+c when A is not equal to 1. Describe both the grouping approch as well as reversing FOIL. Contrast the two methods by means of an example. Which is the best approach and why>
August 9, 2010

algebra
In words! How would you explain to your friend why the quotient of x^8 and x^2 is x^6 and not x^4?
August 9, 2010

algebra
how would you explain this in word term, if your friend is questioning the rule
August 9, 2010

algebra
How would you explain to your friend why the quotient of x^8 and x^2 is x^6 and not x^4?
August 9, 2010

confidentality in Allied health
I need help with my paper for confidenality in allied health. I have 8 questions and I'm not sure how I can use APA style with it. Please help me!
March 30, 2010

chemistry
At STP, 412 ml of gas have a mass of 2.60 g. What is the molar mass of gas?
March 28, 2010

health
What are the interrelations of blood clotting, immune response, allergic reaction, and hormone release. I have been trying to figure this out for 3 days now. Please help! Thank you.
January 28, 2010

physic
An air-track glider attached to a spring oscillates between the 3.00 cm mark and the 50.0 cm mark on the track. The glider completes 10.0 oscillations in 36.0 s. What is the period of the oscillations? What is the frequency of the oscillations? What is the angular frequency of...
December 5, 2009

physic
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 7.00×10^-3 m/s^2 less than that at sea level. What is the observatory's altitude?
December 4, 2009

Math
31x19
November 16, 2009

algebra 2
for each function, find an equasion for the inverse. then use composition to verify that the equasion you wrote is the inverse. f(x)=14.4x
October 7, 2009

algebra 2
what are the steps? for each function, find an equasion for the inverse. then use composition to verify that the equasion you wrote is the inverse. f(x)=10x-6
October 7, 2009

algebra 2
for each function, find an equasion for the inverse. then use composition to verify that the equasion you wrote is the inverse. f(x)=10x-6
October 7, 2009

Quick Spanish #2
Cuando podemos vernos tu y yo
September 28, 2009

Quick Spanish #2
No ablo mucho ingles pero tu me puedes ensenar bebe si o no
September 28, 2009

math
I need to convert measurements from mm to inches. How do I do this?
March 27, 2009

algebra
56
February 12, 2009

Biology
I need to do a Punnet Square for Wilson's Disease and don't know how to do it.
November 4, 2008

science
i can travel around the world yet never leave a corner. what am i?
October 29, 2008

policies and procedures
Could someone please suggest more procedures???? Policy: The Town of Springbank Hills will receive corporate sector sponsors for various recreation programs, community-wide events and facilities. It will state the process staff will take to seek sponsors as well as potential ...
October 22, 2008

policies and procedures
Could someone please tell me if the purpose and policy are correct and if they have any suggestions for other procedures.. i need a minimum of 7. Purpose of Policy: The purpose is to set standards and guidelines for the Town of Springbank Hills Recreation and Parks Department ...
October 20, 2008

english
tcasrsenks some kind of food
September 8, 2008

Essay writing-Business
What is the front required for papers?
July 18, 2008

Business
What is a four letter word for: notation for subsequent mulitple authors in a citation?
July 17, 2008

Legal and Ethicsl Issues in HHS
Tangible is something that you can touch. What forms of business can you touch, what forms of buisness can you not touch. Example of tangible is co- workers, we work together everyday. Intangible would be race, ethnics etc...
January 21, 2008

also need noun help
He smiled agreeably to himself as he thought of those biscuits, each cut open and sopped in bacon grease, and each enclosing a generous slice of fried bacon. (I have biscuits, bacon grease and bacon as nouns is this right and are there more in this sentence?
September 10, 2007

riddle
What two coins will make up 30 cents but you cannot use a nickel ? What two coins will make up 30 cents but you cannot use a nickel ? The way you phrased the question, there is no answer. The usual way the problem is worded is, "What two coins total 30 cents? One of them ...
May 19, 2007

Math
1) Which of the following ingegers can not represent the lengths of the sides of a triangle? (9,10,11) (4.7,9) (4,8,12) & (6,6,11) Try drawing the 4,8,12 triangle. Have fun. any two sides must be longer than the third. Example with set 1. 9+10>11 10+11>9 11+9>10
February 23, 2007

Math
Solve for X: 4x - 2 +7 = 17 collect like terms on left hand side 4x + 5 = 17 subtract 5 from each side 4x = 12 divide by 4 on each side x = 3
February 23, 2007

math
The measures of two supplementary angles are in the ratio 5:1. What is the measure of the smaller triangle? A/B = 5 A + B = 180 Solve those 2 equations in two unknowns. B is the smaller angle. Hint: substitute 5B for A in the second equation. Then only B is in the equation, ...
February 23, 2007

Math
(1) Which of the following ingegers can not represent the lengths of the sides of a triangle? (9,10,11) (4.7,9) (4,8,12) & (6,6,11) (2) The measures of two supplementary angles are in the ratio 5:1. What is the measure of the smaller triangle?
February 23, 2007

algebra
Are the following lines parallel, perpindicular, or neither? (a)x-2y=4 (b)2x+y=2 (a)-2y=-x-4 -y=-x/2-2 (b)y=-2x+2 I have that they are perpindicular. My question is this: is -x/2 the reciprocal of 2x? yes Thank You
February 22, 2007

algebra
Find the slope and y-intercept. x=7 I know that the slope is undefined. The y-intercept would be none, right? Since no y is listed. What you have is a vertical line through x = 7. "y" can be anything. The slope is infinity and the y axis is never intercepted, so ...
February 22, 2007

Algebra
A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100 lb of a mixture that will sell for $11.25 per pound. How much of each type of bean should be used in the mixture? My problem is that I can't figure ...
February 16, 2007

algebra
Find the slope of the line through the given points. (2,4) (6,-3). m=y2-y1 over x2-x1. (-3)-(4) over(6)-(2) -3-4 over 6-2 -7 over 4. I plotted the two coordinates (2,-4) (6)(-3), and the slope is -7 over 4, right? How do you plot the slope? I think you intended to write that ...
January 26, 2007

Algebra
I need help on this one too, please. Solve for X. 3x-2y=6 I got x=6+2y/3. My question is this: Can this be reduced down to x=2+2y? You really need to use parentheses here. x = (6+2y)/3 or you might want to show it as 2+(2y/3) or 2+(2/3)y
January 18, 2007

algabra
A cylinder has a radius of 5 in. If the volume of the cylinder is 250 pie inches cubed, What is the height of the cylinder? pi*r^2*h=250*pi pi cancels. solve for h r^2*h=250 h=250/r^2?? This is what I got originally. 250=pie(5)squared *h. 250= pie 25 h 10= pie h h= 10 over pie...
January 18, 2007

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