Thursday
September 18, 2014

Posts by Abigail


Total # Posts: 176

Practical English
In which sentence are the italicized words a dangling modifier? A)Flying beneath the cloud, the pilot could see the airport. B)Resting on the sea bottom, the old trunk held coins. C)Arriving ten minutes late, the store was closed for the night. Not knowing the danger, the ...
July 21, 2014

math
abby has a ribbon that was 1 meter long..she cut off 25 centimeters..how long is the ribbon now??
June 27, 2014

physics
a man walks 8km North and then 5km in a. direction 60degrees. find its distance from his starting point
May 22, 2014

math
Jessica says she can add 1/3"2/6"3/9"4/12"and 5/15 together using mental math.Explain how she can do this.
April 9, 2014

math
An isoscelless triangle of sides of 13cm, 13cm, 10cm is inscribed in a circle is inscribed in a circle. What is the radius of the circle?
March 17, 2014

math
An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle?
March 17, 2014

Math
A line in coordinate plane contains the points P(2, -7) and Q(-4, -1). What point is the midpoint of PQ?
February 27, 2014

physics
A body of mass 10kg in air and 4kg in water calculate the volume and its density
January 21, 2014

physics
An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object
January 21, 2014

physics
An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object
January 20, 2014

physics
An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object
January 20, 2014

physics
An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object
January 20, 2014

physics
An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object
January 20, 2014

physics
A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?
December 9, 2013

physics
A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?
December 9, 2013

physics
A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?
December 9, 2013

math
find the sale price. round to the nearest cent. 7. regular price: $57.63 percent of discount: 10% $63.39 $5.76 $51.87 $57.53
December 2, 2013

math
How do i convert 7 2/5 into a decimal
November 7, 2013

science
sorry i do not know why it posted that so many times :/ lol :)
October 30, 2013

science
The answer is most definitely D. Take it from an A+ science student.
October 30, 2013

Science
A ball is thrown horizontally from the top of a cliff 20m high. If the initial horizontal velocity is 8.0m/s,find how long it takes to reach the horizontal plane at the foot of the cliff.
September 22, 2013

Math, Algebra
Need to check answers. Q1. Find the length of the following segment created by these pairs of endpoints: (0, 1), (0, 7) Answer : 0 Q2. Find the length of the following segment created by these pairs of endpoints: (9, 6), (12, 6) Answer : 3 Q3. Find the length of the following ...
September 18, 2013

Civics
i have
May 19, 2013

Civics
List the basic problem of scarcity and how it drives economic decison-making. Describe the role of factors of production. What is supply and demand? Apply the principles of supply and demand that predicts market prices and incentives for buyers and sellers.
May 19, 2013

Math
Mike scored 85, 88, 87, 93, 95, 92, and 83 on his math tests. What is the least he can score on the next test if he wants to maintain a 90 average? PLZ HELP ME!!!!!!!! I'm so confused
May 11, 2013

english
1. people find life being with others 2. personification 3. trouble is coming 4. if you call them, the dogs will come back
May 1, 2013

Statistics
the scoring of IQ tests is designed so that the scores of the test taking population are normally distributed with a mean of 100 and a standard dev of 15. what percent of the population have an IQ less than 92? how do i figure this out?
April 29, 2013

fractions
what is 4 2/8 plus 5 6/7.
April 21, 2013

Ms.Sue or Steve can u please help me?!?!!?
so gabby was the answer to number 9 what you said or what reiny said?
December 21, 2012

Geography
What are the differences betwen formal, functional, and perceptional regions?
September 24, 2012

Math
How many seven-digit numbers are there when 0 and 1 cannot be the leading number?
September 13, 2012

English
All of them answers are wrong , i just used those answers and they were wrong. i got a 20 thanks to these wrong answers
May 8, 2012

Government
I wasn't guessing, and i don't have the materials for this problem, i have like printed out lessons and this is one my teacher didn't print out...
March 13, 2012

Government
After the passage of the 19th Amendment, white women _____. 1.)faced the same practical obstacles to voting as blacks did My answer2.)received the right to vote in Wyoming for the first time 3.)were accorded the protections of the Bill of Rights 4.)faced few of the practical ...
March 13, 2012

Government
Is it 3?
March 13, 2012

Government
Which of the following statements is incorrect? 1.)Early representative parliaments were elected by the people. 2.)Representation is a crucial element of democracy in large polities. 3.)The development of representative parliaments helped establish the principle of consent of ...
March 13, 2012

7th grade math
If a rule is (3x,y) and a sce factor of 4 is used to transform it , what will tge new rule be ?
January 16, 2012

chemistry
What mass of ZnCl2 is needed to make 4 L of 1.8 M solution?
December 8, 2011

math
372,450
December 8, 2011

Math
Help, I can't find the pattern rule for this sequence(eg. -6,-3,2,9,18 and the pattern rule is n squared-7) The pattern: 6,28,64,114,178. What's the pattern rule? The pattern: 96,84,64,36. What's the pattern rule? The pattern: 0,24,216,960. What's the pattern ...
November 2, 2011

geometry
a phone company charges a flat monthly fee of $15 for cell phone services, plus an additional fee for every minute you talk. in a given month, you are charged $36 for the 24 minutes you talked( not including the $15 flat fee.) let the total cost be c(in $) and the time you ...
October 28, 2011

Phys sci
we are makeing rube goldberg machiens but are problem is hot to activate the pulley by putting the string in to the fire befor its time and makeing the machine do other things.
October 20, 2011

Science
A jar contains one half of a kilogram of water. How many grams of water does it have?
June 13, 2011

Trigonometry
Solve: 2cos^2 theta - 3cos theta+ 1= 0 interval [0, 2ð)
May 30, 2011

Trigonometry
(1+ tan^2x)/(secx)
May 30, 2011

Trigonometry
sin x= -1
May 30, 2011

Calculus
Assume you wish to make a box whose base is a rectangle with one side twice as long as the other side and whose volume is 100 m^3. What would the minimum surface area be, if there is a minimum surface area? b) Under the same sceenerio as in (a), what would the maximum surface ...
May 13, 2011

Calculus
Find the derivative of f(x) =cos^-1(x^2) Ok so I'm having a little confusion with the chain rule and I'm not sure if my answer is right... will the answer be... 2x(-cos^-2(x^2)(-sin(x^2)?
May 13, 2011

Physics (please help!!)
The Crab pulsar (m=2.00x10^30 kg) is a neutron star located in the Crab Nebula. The rotation rate of the Crab pulsar is currently about 30.0 rotations per second, or 60.0pi rad/s. The rotation rate of the pulsar, however, is decreasing; each year, the rotation period increases...
April 15, 2011

Calculus
Find the derivative of f(x)=e^(sin(1))+(sin(1))^x.
March 6, 2011

Calculus
Find the derivative of f(x)=e^(sin(1))+(sin(1))^x
March 6, 2011

Physics (please help!!!!)
A cart running on frictionless air tracks is propelled by a stream of water expelled by a gas-powered pressure washer stationed on the cart. There is a 1.00-m^3 water tank on the cart to provide the water for the pressure washer. The mass of the cart, including the operator ...
March 4, 2011

Physics (please help!!!!)
A cart running on frictionless air tracks is propelled by a stream of water expelled by a gas-powered pressure washer stationed on the cart. There is a 1.00-m^3 water tank on the cart to provide the water for the pressure washer. The mass of the cart, including the operator ...
March 3, 2011

Never mind I figured it out...
Thanks anyways...
March 3, 2011

Physics (please help!!!!)
An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space with a speed of 754 m/s...
March 3, 2011

Physics (please help)
An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space with a speed of 754 m/s...
March 3, 2011

math
Make r the subject of the formula.V=1/3 pie r square h.2)express V in terms of N,T,K and Y:H=tvk square all over Y
March 3, 2011

Calculus
Let f(x)= (1/x). Use the limit definition of derivative to find f'(x). My professor's answer is: -1/x but I keep getting: -1/x^2 what do I have to do to get that answer?
February 27, 2011

Calculus
Let f(x)= (1/x). Use the limit definition of derivative to find f'(x). My professor's answer is: -1/x but I keep getting: -1/x^2 what do I have to do to get that answer?
February 27, 2011

Chemistry
Please help me with this one... What is the oxidizing agent in the following redox reaction: HNO3(aq) + K2CrO4(aq) + Fe(NO3)2(aq) -> KNO3(aq) + Fe(NO3)3(aq) + Cr(NO3)3(aq) + H2O(l) ?
February 25, 2011

Chemistry
I just got the answer... it's 0.25 M right?
February 24, 2011

Chemistry
Can someone please explain me how to do this problem? A 25mL solution of 0.5 M NaOH is titrated until neutralization into a 50mL sample of HCl. What was the concentration of the HCl?
February 24, 2011

Calculus
Thank you very much!
February 23, 2011

Calculus
Decide if the following function f(x) is differentiable at x=0. Try zooming in on a graphing calculator, or calculating the derivative f'(0) from the definition. f(x) = x^4sin(2/x), if x is not equal to 0, and f(x) = 0 if x = 0. If it is differentiable, what is the ...
February 23, 2011

math
if you divide 35 and 10 what would be the answer? would it be even or odd
February 22, 2011

Spanish
yes
February 20, 2011

Chemistry
How many milliliters of 0.645 M K2CrO4 are needed to precipitate all the silver in 405 mL of 0.190 M AgNO3 as Ag2CrO4?
February 19, 2011

Physics
$230
February 15, 2011

physics
Please help I really dn't know the answer
February 14, 2011

Calculus
Let f(x) = mx-12 if x is less than -5 = x^2 +5x -7 if x is greater than or equal to -5. If f(x) is a function which is continuous everywhere, then we must have m=_______
February 7, 2011

Calculus
A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a. 2. f(a) could either be defined or redefined so that the new function IS continuous at x=a...
February 7, 2011

Calculus
A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a continuous function of ...
February 6, 2011

Calculus
A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a continuous function of ...
February 6, 2011

Calculus
Sorry... Again... Before I posted the question, I could see the symbols... Consider the function f(x) = 8.5 x − cos(x) + 2 on the interval 0 less than or equal to x less than or equal to 1. The Intermediate Value Theorem guarantees that there is a value c such that f(c...
February 6, 2011

Calculus
Sorry... Consider the function f(x) = 8.5 x − cos(x) + 2 on the interval 0 ¡Ü x ¡Ü 1. The Intermediate Value Theorem guarantees that there is a value c such that f(c) = k for which values of c and k? Fill in the following mathematical statements, ...
February 6, 2011

Calculus
Sorry, I had problems posting all these questions... Let f(x) = mx-12 if x is less than -5 fr(x)= x^2 +5x -7 if x is greater than or equal to -5. If f(x) is a function which is continuous everywhere, then we must have m=_______
February 6, 2011

Calculus
Let If f(x) is a function which is continuous everywhere, then we must have m=________________
February 6, 2011

Calculus
OK I made a mistake... AGAIN fx is not equal to that sorry. I will repost this question.
February 6, 2011

Calculus
I'm sorry, I was having some problems posting the questions.... Again Let f(x)= mx-12 if x is less than -5 x^2 +5x - 7 if x is greater than -5 Show that f(x) has a removable discontinuity at x=−7 and determine what value for f(−7) would make f(x) continuous at ...
February 6, 2011

Calculus
A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a. 2. f(a) could either be defined or redefined so that the new function IS continuous at x=a...
February 6, 2011

Calculus
A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a continuous function of ...
February 6, 2011

Calculus
An electrical circuit switches instantaneously from a 2 volt battery to a 20 volt battery 3 seconds after being turned on. Sketch on a sheet of paper a graph the battery voltage against time. Then fill in the formulas below for the function represented by your graph. For t &...
February 5, 2011

Calculus
Sorry... Consider the function f(x) = 8.5 x − cos(x) + 2 on the interval 0 ¡Ü x ¡Ü 1. The Intermediate Value Theorem guarantees that there is a value c such that f(c) = k for which values of c and k? Fill in the following mathematical statements, ...
February 5, 2011

Calculus
Consider the function f(x)=8.5x−cos(x)+2 on the interval 0¡Üx¡Ü1 . The Intermediate Value Theorem guarantees that there is a value c such that f(c)=k for which values of c and k? Fill in the following mathematical statements, giving an interval with...
February 5, 2011

Chemistry
What is the equation for heat of CuCO3 and heat of Pb(NO3)2.
February 3, 2011

arithmetic
What is the area of the irregular shape of a cone if the radius is 7in and the height is 22in?
January 24, 2011

Algebra
@helper: Yes, thats it! I wasnt sure how to type it. I solved it while I was waiting, and thats the answer I got ,thanks so much!
January 6, 2011

Algebra
I really need help with this, please!
January 6, 2011

Algebra
I have an exponent properties test tomorrow, its our last one before the final, so its important, but anyways, there is one question on the review that is confusing me. Could you please help? Here it is : (2y2x7)(-xy)(9x-3y) I dont know if the exponents showed up, but the ...
January 6, 2011

english
I'm a 8th grade student and i need to write a Proffesional Business letter to My 7th grade english Teacher can you help?
October 22, 2010

english
How about The world of English Language.
October 22, 2010

8th grade
awnser is 39.36 but i might be wron.
October 12, 2010

math
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to and different from adding polynomial expressions? Provide a radical expression for your classmates to simplify. In your own words, explain the first ...
October 11, 2010

3rd grade
Complete to show how you can find the sum by making a ten, hundred or thousand. 9.8 +5= (8 +2) + ______
October 5, 2010

Science
A truck is going from 20 km/h to 59 km/h in .20 hours, has an acceleration of what?
September 14, 2010

English Literature
What are the external human problems? Thank you!
September 6, 2010

English
What is the object of preposition in this sentenc? Sheepishly, she told her father the story.
August 24, 2010

Physics
Figure 10-42 shows a uniform disk that can rotate around its center like a merry-go-round. The disk has a radius of 2.00 cm and a mass of 20.0 grams and is initially at rest. Starting at time t = 0, two forces are to be applied tangentially to the rim as indicated, so that at ...
July 28, 2010

Physics
Two vectors are given by a = 3.7i + 6.9j, and b = 1.9i + 4.7j. Find (b) a·b = (c) (a + b)·b = (d) the component of a in the direction of b = .
July 22, 2010

ECONOMICS
T OR F A rise in Canadian interest rates will boost the dollar's exchange value, reducing domestic price levels.
June 22, 2010

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