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July 5, 2015

Posts by shannon


Total # Posts: 485

Geometry
the area in a circle of each shaded region is given. Find x The given is 66 the angle is 180
March 31, 2011

Geometry
Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
March 31, 2011

Geometry
Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
March 31, 2011

Geometry
Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
March 30, 2011

math
justins gas tank is 1/3 full. after he buys 2 gallons of gas, it is 1/2 full. how many gallons can justins tank hold?
March 30, 2011

science
Why is sucrose covalent but have ionic like characteristics? I am so confused I am doing a lab and i have no idea!
March 28, 2011

Math
If you finance $50,000 of the purchase of your new home at 4.40% compounded monthly for 30 years, the monthly payment will be $250.38. If instead your had a rate of 4.80% compounded monthly for 15 years, the monthly payment will be $390.21. How much do you pay in total for the...
March 27, 2011

Physics
While watching ocean waves at the dock of the bay, Otis notices that 10 waves pass beneath him in 30 seconds. He also notices that the crests of successive waves exactly coincide with the posts that are 5 meters apart. What are the period, frequency, wavelength, and speed of ...
March 14, 2011

Calculus
Find constants a and b in the equation f(x)= ax^b/(ln(x)) such that f(1/8)= 1 and the function has a local minimum at x= 1/8
March 11, 2011

us history
how did the events at chickamauga and chatanooga affect georgians
March 8, 2011

Calculus
derivative of y^2=x^2/(xy-4) at 4,2
March 7, 2011

Geometry/trig
How do I find the geometric mean between 12 and 2.4?
March 3, 2011

Math
Here is the question: Patty has a bag of 72 marbles. The ratio of green marbles to yellow marbles is 2 to 7. How many green marbles does patty have? I don't know how to answer it. Please help!
March 2, 2011

geometry.
in a scale drawing of a school's floor plan, 6 inches represents 100 feet. If the distance from one end of the main hallway to the other is 175 feet, find the corresponding length in the scale drawing.
February 28, 2011

geometrY
See the last picture at the bottom of this web page (for a pic of this exact problem). Using ratios, Tree height = T 15/66 = 6.33/T 15T = 512.73 T = 34.182 T = 34.182 when getting this answer from my question: to estimate the height of a tree, Dave stands in the shadow of the ...
February 28, 2011

geometrY
I think you did something wrong
February 27, 2011

geometrY
to estimate the height of a tree, Dave stands in the shadow of the tree so that his shadow and the tree's shadow end at the same point. Dave is 6 feet 4 inches tall and his shadow is 15 feet long. If he is standing 66 feet away from the tree, what is the height of this tree?
February 27, 2011

geometry
for that some problem: A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces. arn't you solving two parts because the board was cut in two?
February 27, 2011

geometry
but arn't you figuring 2 parts because its cut in two??
February 27, 2011

geometry
For that problem: A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces. when answering the question why was it 3/5=x/12? where did the 5 come from?
February 27, 2011

geometry
A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces.
February 27, 2011

chemistry
105 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of the system is 21.3, what is the mass of the steel bar?
February 26, 2011

Maths
How do you work out and show difference between 2 numbers i.e 60 students and 40 students out of 100
February 16, 2011

Physics URGENT
A tennis ball with a velocity of +10.7m/s to the right is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a velocity of -5.9 m/s (to the left). If the ball is in contact with the wall for 0.009s, what is the average ...
February 14, 2011

Physics URGENT
A speeder passes a parked car at 35.0 m/s. The police car starts from rest with a uniform acceleration of 2.41 m/s^2. A.) How much time passes before the speeder is overtaken by the police car? B.) How far does the speeder get before being overtaken by the police car?
February 14, 2011

Physics
A range in a national park is driving at 47 km/h when a deer jumps onto the road 70m ahead of the vehicle . After a reaction of t seconds, the ranger applies the brakes to produce an acceleration of -2.00 m/s^2. What is the maximum reaction time allowed if the ranger is to ...
February 14, 2011

Physics
A small first aid kit is dropped by a rock climber who is descending steadily at 1.5 m/s. A.)After 3.1s, how far is the kit below the climber?
February 14, 2011

algebra
3x+4>9 3(2)+4>9 6+4>9 10>9 The value x=2 is a solution to the inequality. A value of x that would not be a solution would be any value lesser than 2, such as 1,0, or -1.
February 14, 2011

math 8th please help
First, find the total amount of students in the class. 10+15=25. There are 10 girls so the odds of choosing a girl are 10/25, reduced to be 2/5 There are 15 boys so the odds of choosing a boy are 15/25, reduced to be 3/5 The answers are 1. 2/5, or 2 out of 5 2. 3/5, or 3 out ...
February 14, 2011

physics
A plastic ball has a volume of 300 cm3 and a mass of 30 g. What fraction of the ball's volume will float above the surface of a lake of fresh water?
February 13, 2011

Physics HELP ASAP PLEASE
A hawk is flying horizontally at 10 m/s in a straight line 200m above the ground. A mouse it was carrying is released from its grasp. The hawk continues on its path at the same speed for two seconds before attempting to retrieve its prey. To accomplis the retrieval, it dives ...
February 11, 2011

Pysichal Therapy Aide
A PTA CAN ASK A SW TO HELP WITH ALL OF THE FOLLOWING EXCEPT: A. TO ASSES THE PATIENT'S HOME ENVIRONMENT AND INSTRUCT THE PATIENT AT DISCHARGE FROM THE HOSPITAL B. TO ARRANGE FOR HOME HEALTH SERVICES AT THE PATIENT DISCHARGED FROM THE HOSPITAL C. TO ARRANGE FOR MEALS-ON-...
February 10, 2011

7th grade introduction/conclusion
Okay, so: An intro should have a "hook," or something that grabs the reader. It should introduce the topic you're talking about. The conclusion should basically be like your intro, wording it differently and wrapping it up, adding an end statement which may be ...
February 10, 2011

Physical therapy aide
A pta can supervise a physical therapy aide to perform all of the following except
February 9, 2011

Physics
A 1000kg car accelerates from 3m/s East to 24m/s East at a rate of 3m/s. If the force of friction is 500N West; how much ower must the car exert? If heat and mechanical losses make the car only 60% efficient, what total power must be exerted to accomplish the acceleration in ...
February 8, 2011

Physics
A 60kg biker on a 20kg bike exerts 600W of power to accelerate from 1m/s to 9m/s in a distance of 40m. What is the force of friction acting on the bike and biker?
February 8, 2011

Physics
A stopped 100okg car exerts 160kW of power as it accelerate. If it is only 75% efficient, how far will it travel in 4 seconds?
February 8, 2011

Chemistry
Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.
February 1, 2011

math
my credit card charges me 1.575% interest per month on my average daily balance this month. Average daily balance for Jan.$810. What interest will i pay for Jan.
January 23, 2011

physics
a stunt car driver testing the use of air bags drives a car at a constant speed of 25m/s for a total of 100 meters. he applies his brakes and accelerates uniformlu to a stop just as he reaches the wall 50 meters away. SKETCH THE A GRAPH SHOWING POSITION V.S TIME and VELOCITY v...
January 20, 2011

MTH213 -
84
January 19, 2011

physics
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." If the ball is kicked with an initial velocity of 23.0 m/s at an angle of 58.5° above the ground, what is the "hang time"?
January 16, 2011

reimbursement methodologies
Nadya what is the exam number you are doing? what course are you taking? Melody yes I will email you....
January 4, 2011

reimbursement methodologies
Nadya which book from Penn Foster are you looking at? I think I can help you with thes problems.
January 4, 2011

math
A landscaping company is laying a triangular flower bed. The height of the trangle is 15ft. What lengths of the base will make the area at least 255ft squared?
December 21, 2010

Math
Describe a situation using proportions or ratios in a financial or geometric problem. describe the situation in detail and provide a problem to illistrate it. What is the importance of this calculation in this situation..
December 17, 2010

adult education
describe why it is important to consider each domain in the study of adult development, provide an example of how one domain of development impacts the other two.
December 10, 2010

Maths
How to work out the comparison 13 out of 39 as a percent
December 8, 2010

MATH urgent!!!
My problem: From 1992 to 1996, the annual income for all the private golf courses in the United States can be approximated by the model: I=59t^2+2254, where I is the annual income in millions of dollars and t is the year, with t=0 corresponding to 1990. 1. In which year did ...
December 7, 2010

MATH
The path of a large stone fired from a catapult can be modeled by y= -0.00545x^2+1.145x where x is the distance the stone traveled (in yards) and y is the height of the stone (in yards). 1. find the distance the stone traveled. 2. find the maximum height of the stone. AND (...
December 7, 2010

Math
Please Help I am confused :)
December 5, 2010

Math
If P(B)=1/5 compute P(not B)? So I am thinking it may be P(not B)=0.2? Is this right?
December 5, 2010

Math
Ok so it would be P(B)=0.8, the probability that the grade is not a B.? I hope this is right now, if it isn't I give up....lol !
December 5, 2010

Math
Oh ok I think I get it, so P(B)=0.5, 1/2, and P(not B)=0.5,1/2??? Is that right?
December 5, 2010

Math
If a grade was drawn at random from the data shown below, what is the probability that the grade is not a B? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think it is 1 out of 5 or 4 but I am not sure? Please help :) Thank you much!
December 5, 2010

math
a country has 221 mobile cellular telephones per 250 inhabitants. if the country's population is about 2,800 how many mobile cellular telephones does the country have? in your own words, using complete sentences solve the problem
December 4, 2010

math
Thanks, L. I know - the "why" is a bit tricky, especially for 5th graders, and my daughter is well ahead of grade level. I think your answer will probably work well enough.
December 1, 2010

math
We figured that part out. The girl was given $3.58 in change. Why was the error made (this is part of the original question).
December 1, 2010

math
Hanna bought 4 pencils for $.09/each, two notebooks for $1.58 each, and one pack of paper for $3.17 each. She paid with $10 and got $3.58 in change. Is this amount correct, and if not, why? Just need the WHY part of the answer. The correct change should be $3.31
December 1, 2010

child care
which of the following is an obstacle to learning for a begininning mover? A.knowledge of what elements of the movement to focus on B.chronic indifference characteristics between birth and age three C.shorter time to monitor perceptual input from the visual system D.difficult ...
November 30, 2010

child care
which of the following is an obstacle to learning for a begininning mover?
November 30, 2010

6th grade
how do u change a ratio into a percent
November 28, 2010

Confidentiality in Allied Health Essay
Writeteacher can you delete this whole questions please. I will find all the information on my own thanks and have a good day!!
November 28, 2010

Confidentiality in Allied Health Essay
Can anyone help me find other resources to the graded project for Penn Foster? I have the AMA, and the Peen foster books. Anything else would be great.
November 28, 2010

Algebra
Thank You!
November 24, 2010

Algebra
Find the equation of a line parallel to the line y=3/4x-5?? I am not sure how to do this problem, can someone Please help :) Thank You in advance!
November 24, 2010

Chemistry
a certain brand of laundry aid called "Oxydoodle" is 12.5% (w/w) sodium percarbonate and 87.5% (w/w) sodium carbonate. Calculate the % (w/w) h2o2 in Oxydoodle
November 22, 2010

math
A car radiator has a 6-liter capacity. If the liquid in the radiators 40% antifreeze, how much liquid must be replaced with pure anitfreeze to bring the mixture up to a 50% solutions? If I told you the answer is 1 liter, in your own words, using complete sentences explain how ...
November 17, 2010

algebra 1
What is value of x? What are you suppose to do with problem.
November 16, 2010

business ethics
Thanks for your response. I do not want you to do the homework for me. I guess I need a starting poing.
November 16, 2010

business ethics
CONFLICT OF INTEREST Big Company is a large manufacturer of health-care products that is under fire from the government to lower costs. Big Company has an excellent reputation and is widely acknowledged as one of the best managed companies in the country. In spite of its ...
November 16, 2010

business information systems
Are the alternative methods and tools: agile development, end-user development, and component-based development. I'm unsure how they differ from SDLC. Can you help me with this.
November 16, 2010

business information systems
list the alternative methods and tools for system development. How do they differ from SDLC?
November 16, 2010

Physics
Starting from rest, a 98-kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 720 N, and his speed at the bottom of the pole is 3.8 m/s. How far did he slide down the pole?
November 16, 2010

MATH
A rectangular prism has a volume of 6,090 cm3, a width of 14 cm, and a length of 15 cm. What is the height of the rectangular prism?
November 11, 2010

4th grade
SIXTY SEVEN HUNDRED
November 10, 2010

HUM/205
What is the role of an artist?
November 5, 2010

math
the problem is 15x(7-7)+(5x2)= i got the answer 10 but im not sure what order i should do the operations in to get my answer? Help?
November 3, 2010

Geometry
Triangle FGH has the following side lengths: FG = 5 ft, GH = 10 ft, HF = 12 ft Triangle PQR is similar to triangle FGH. The longest side of triangle PQR, RP = 7.2 ft.
November 3, 2010

Physics
7 m/s
November 2, 2010

Medical English essay
Debby, Can you tell me were you got all your infromation for this essay?? I have to do the sameone and I am coming up empty handed.
October 31, 2010

chemistry 110
what combinations of Zn, Al, ZnSO4 and Al2(SO4)3 would you make to illustrate that Zn is less active than Al?
October 28, 2010

chemistry
write chemical equations for the reactions when you put each Al, Fe, Cu in 0.5M Al2(SO4)3
October 28, 2010

chemistry
Zn is less active than Mg. Write the equations describing what occurs when ou mix: a)Zn with 0.5M magnesium chloride, MgCl2 b)Mg with 0.5M ZnCl2
October 28, 2010

elementary
1.)Measurement of a television if it is approx. 18.5 inches high and just over 26 inches wide, How should the size be advertised in a store, rounding to the nearest whole number? 2.)A TV store owner wanted to make a shelf to display television sets. How long should he make the...
October 28, 2010

Science
What is an area without pressure called?
October 27, 2010

Physics
ok and if i have more then two distances then do i add all 3 then divide??
October 13, 2010

Physics
A person walks 8.4522x10^1 m East, then turns around and walks 7.8409x10^1 m West. The total time to walk this distance was 8.7343x10^2 s. What is the speed of the walker, expressed to 3 significant figures?
October 13, 2010

Physics
In 1998, NASA launched DS-1 (Deep Space 1). This spacecraft successfully flew by the asteroid 1992 KD. The propulsion system worked by ejecting argon ions at high speed. The propulsion system could increase the velocity by 7.2284x10^0 m/s per day. What was the average ...
October 13, 2010

Physics
In 1998, NASA launched DS-1 (Deep Space 1). This spacecraft successfully flew by the asteroid 1992 KD. The propulsion system worked by ejecting argon ions at high speed. The propulsion system could increase the velocity by 7.2284x10^0 m/s per day. What was the average ...
October 13, 2010

Math
An experiment has three possible outcomes: A,B, and, C. If P(A)=P(B) and P(C)=2P(A)what is the probability of each event? Hint: We know that in this case, P(A)+ P(B)+P(C)=1; therefore,P(A)+P(A)+2P(A)=1 Please Help :)
October 12, 2010

chemistry
when a student removed the crucible cover afer the first strong heating in creating magnesium oxide, some of the white was knocked from the cover to the floor and was lost. did this loss cause the calculated number of moles of oxygen in the compound to be too high or too low?
October 4, 2010

9th grade
The islamic ...and Arabic ... held the empire together
September 28, 2010

economics
What is one kind of monopol that the U.S. government generally permits?
September 24, 2010

vocabulary
i need to put outwit in a sentence
September 23, 2010

algebra
Solve by the elimination method: 0.3x-0.2y=4 0.4x+0.5y= -29/19 (fraction)?? Please Help I do not understand Algebra!!
September 18, 2010

geology 101
how do fossils help in determining the relative age of strata? Are the three different localities around the same relative age? Explain your response
September 17, 2010

math
name three numbers between 0.33 and 0.34
September 15, 2010

science
what is a control?
August 26, 2010

Math
$100 is deposited in a savings account that pays 4% interest compounded annually. A) how much is in the account after 5 years? B) use logarithms to determine how many years it will take for the account to grow to $1000. Could someone show me how to do this step by step? Thank you
August 23, 2010

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