Monday
November 24, 2014

Posts by hanna


Total # Posts: 128

chemistry
A given sample of a xenon fluoride compound contains molecules of the type XeFn where n is some whole number. Given that 9.03 × 1020 molecules of XeFn weighs 0.368 g, determine the value for n in the formula.
October 1, 2014

Math
What is the answer to page 31 of pre-algebra with pizzazz (what do hair dressers do?) ?
September 14, 2014

Physics
-Use upward as positive and 10.0 m/s2 for the magnitude of g. -Let us say that you toss an object upwards at 5.0 from a height of 17.0 m. 1.)What is in m/s2 the acceleration of the object the moment it reaches the highest position? 2.)What is in m/s2 the acceleration of the ...
September 3, 2014

Maths
5. You have inherited an orange grove. The more orange trees there are in the grove, the fewer oranges each tree produces. When there are 30 trees, each tree produces 84 kg of oranges. When there are 90 trees, each tree produces 74 kg of oranges. Assume that the amount of ...
May 15, 2014

Science
GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
May 4, 2014

math
tickets for a school play cost $4 for adults and $2 for students at the end of the play the school sold a total of 105 tickets and collected $360 how much of each type of tickets did they sell
March 31, 2014

Algebra URGENT! Conic sections
A spacecraft is in a circular orbit 150 kilometers above Earth. Once it attains the velocity needed to escape the Earth's gravity, the spacecraft will follow a parabolic path with the center of Earth as focus. Suppose the spacecraft reaches escape velocity above the North ...
March 18, 2014

Social Studies
Thank You So Much :)
March 6, 2014

Social Studies
Ms.Sue??
March 6, 2014

Social Studies
Henry Clays Dream. Ms.Sue
March 6, 2014

Social Studies
Were there any key events in Henry Clay's life that shaped their dream for the United States?
March 6, 2014

Science
How would renewable energy sources be used in a home?
March 3, 2014

physics
Calculate the percentage of Earth’s gravitational force on the ISS astronauts while orbiting at an altitude of 248 miles above Earth’s surface.
January 28, 2014

Math
Thank you so much, this really helped me. I didn't understand how you got .7 at first but now that you sort of explained it I get it now!
December 15, 2013

Math
An appliance is on sale at 30% discount. If the sale price is $42.00, what was the original price of the appliance?
December 15, 2013

Chemistry
how do i know which compounds to put the roman numeral in?
November 20, 2013

physics
A man seeking to set a world record wants to tow a 104,000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 93 kg, and the coefficient of static friction between his shoes and the runway is 0.78. What is the ...
November 17, 2013

Math
identify an integer x for which 2x/5 represents a ratio greater that 2:1 but less than 3:1
November 11, 2013

Math
who has the higher batting average: ted, who has 12 hits in 30 at bats, or pete, who has 18 hits in 40 at bats? why?
November 11, 2013

Social (ms.sue or writeteacher)
please help me
November 4, 2013

Social (ms.sue or writeteacher)
is this a book? honestly I love to read but I really haven't got time right now...I will take a read later but I really need to answer this. I posted a similar question yesterday and MS.Sue answered it fine but brief, which was good as I was able to adapt it to a decent ...
November 4, 2013

Social (ms.sue or writeteacher)
What are the: -similarities -differences -conflicts and reasons between men and women your answers are very much appreciated
November 4, 2013

Child Develpoment
NO WAY!!! you'll be headed towards the medical room!!!
November 4, 2013

Chemistry
At 125 degrees Celsius, the pressure of a sample of He gas is 345 mmHg. At what temperature degrees Celsius will the pressure become 690 mm Hg, if the volume remains constant?
July 28, 2013

Science-Greenhouse Effect
ANSWER PLEASE....INEED HELP....ANYTHING WILL DO
April 23, 2013

Science-Greenhouse Effect
Described the greenhouse effect using the big idea of energy transfer?....PLease answer ASAP
April 23, 2013

science
Suppose you hang an object of weight W by a string from a hanging spring scale, such as the kind used in some grocery stores. You then hang the scale with the object from the ceiling of an elevator. When the elevator is standing still, the scale will read the actual weight of ...
April 8, 2013

ap chemistry
A sample of gas in a cylinder of volume 4.2 L at 316 K and 2.68 atm expands to 7.21 L by two different pathways. Path A is an isothermal, reversible expansion. Calculate the work for Path A. Answer in units of J Path B has two steps. In the first step, the gas is cooled at ...
October 8, 2012

Chemistry
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 25.2 of carbon were burned in the presence of 80.6 of oxygen, 13.4 of oxygen remained unreacted. What mass of carbon dioxide was produced?
September 24, 2012

chemistry
A sample of sodium reacts completely with 0.568 of chlorine, forming 936 of sodium chloride. What mass of sodium reacted?
September 24, 2012

Chemistry
A gas can holds 1.5 of gasoline, what is this quantity in cubic centimeters? answer using two significant figures,
September 24, 2012

math
how many 4 number combinations can there be from 0-99 without repeating a number?
September 7, 2012

algebra
Coco's coffee charges different prices based on the number of pounds purchased. The pricing scale is modeled by the function below, where w is the weight in pounds purchased. Orders placed directly through the Web site are discounted by 1/3, but a shipping fee of $2.50 is ...
July 13, 2012

Algebra & Trig
at a throwing speed pf 12.2 meters per seconds,what is the angle that produce a distance of 13 meters
July 4, 2012

Algebra & Trig
calculate the velocity of 10 meters per second with an angle of 30 degrees
July 4, 2012

s.s.
I am sorry Ms.Sue, but I need help with this question since my history book does not mention any thing of the Social class of the Aztec empire. So now I am reling on your good, old self!!!! I must hurry since I also have to study for the EOC. Thank you.
May 19, 2012

s.s.
yes It should be good :D And one more thing, Can you describe the social class of the aztec empire???
May 19, 2012

s.s.
Thank you I reall y appreciate your help
May 19, 2012

s.s.
Can someone please help me by answering this question? Just to let you people know: - There are NO answer choices! - I do not need a link - If I sound rude I am sorry but I am in a big time rush!!!! - And like I said again I do not need a link, so if you would please just post...
May 19, 2012

s.s.
Why was the aztec civilization considered warlike?
May 19, 2012

Chemistry
A cube of butter weight 0.250lb and has a volume of 130ml. what is the density?
May 13, 2012

consumer math
You owe $1,350.00 on a credit card with a 14.25% APR. You pay $300.00 at the beginning of the month. How much interest do you save by paying at the beginning of the month versus at the end of the month? second part: Imagine you put the $300 in a savings account earning 3.0% ...
April 30, 2012

Pre-calculus
1)Which term best describes the linear programming situation represented by x+y=2 why is the answer infeasible? 2)Describe the linear programming situation for this system of inequalities. x < 1 y > 0 3x + y < 5 why is the answer unbounded?
April 8, 2012

Math
List the terms without changing the expression. 21x+21y
April 5, 2012

Geometry
Tangent of Angle=11/100 Angle = Inverse of Tangent (11/100) Angle =Tan-1 (.11) Angle = 6.2, Rounded to 6 Degrees.
February 27, 2012

Geometry
To the nearest degree, what angle does a hill with a grade of 11% make with a horizontal line?
February 27, 2012

Geometry
Tangent= Opposite/Hypotenuse Tan 9/15=30.96 (This is the Smallest Angle) Check: 90(This is the Right angle)+30.96=120.9 180-120.9=59.1(This is the third angle.) 9/sin 30.96 = 15/sin 59.1. This Does Work. So the Smallest Angle is 30.9 Degrees, rounded to 31.
February 27, 2012

Geometry
To the nearest degree, what is the measure of the smallest angle of a right triangle whose legs measure 9 and 15?
February 27, 2012

math
A triangular pyramid has a triangle base of 24 cm, triangle height of 16 cm, and a pyramid height of 14 cm. what is the volume of triangular prism.
February 12, 2012

math
7/10
January 31, 2012

Physics
A particle is initially moving along the positive x-axis at a speed of 9.90 m/s. After 2.40 s, the particle is moving along the negative y-axis at a speed of 4.71 m/s. Find the x and y components of the particle's acceleration.
January 31, 2012

calculus
The point on the curve for y = sqrt(2x+1) at which tangent is perpendicular to the line y = -3x + 6 is.... a. (4, 3) b. (0,1) c. (1, sqrt3) d. (4, -3) e. (2, sqrt 5) I'm not sure, but do you find the perpendicular slope (1/3) set that as dy/dx and solve for x or y? I tried...
January 24, 2012

geometry
quadrilateral ABCD has right angles at B and D. If ABCD is kite-shaped with AB=AD=20 and BC=CD=15, find the radius of the circle inscribed in ABCD.
December 4, 2011

Math
Thanks so much! Could you tell me the base formula used for that?
October 11, 2011

Math
The half-life of carbon-14, which is used in dating archaeological finds, is 5730 yr. Assume that 100% of the carbon-14 is present at time 0 yr, or x=0. Write the equation that expresses the percentage of carbon-14 remaining as a function of time.
October 11, 2011

geometry
Solve y= 5/8b+10 for b
September 6, 2011

Math
The House of Representatives has 435 members. If a committee has a prime number of members, and that number is a factor of 435, then how many members can be on the committee?
August 22, 2011

Math
Solve z= 9/13c for c
August 15, 2011

geometry
the figure below represents a building in the shape of a pentagon. using the scale 1 inch= 94 feet, what is the perimeter of the building?
August 15, 2011

Science
I need to make an acrostic poem for science. My teacher said that each letter needs to start a sentence about plant life. The word is photosynthesis. I need some ideas by the 13th of June. I already have p-h-o-t of photosynthesis. Pls help me!
June 10, 2011

Math
2yd 2ft = ?
June 1, 2011

math
3xt2
May 23, 2011

6th Grade Math
76/15=5.066666666666667=506 or 507%
May 22, 2011

math
help me!
April 28, 2011

physics
There is a 1500 mile race course. I MUST have a top speed of 36 meters/s (meaning I cannot go over 36). The max foward acceleration is 4 m/s squared and the max backward acceleration is 6 m/s squared. I start at 600m and must go to the 800m mark (I must travel 200m). What is ...
March 14, 2011

physics
There is a 1500 mile race course. The max foward acceleration is 4 m/s squared and the max backward acceleration is 6 m/s squared. I start at 600m and must go to the 800m mark (I must travel 200m). What is an equation for the fastest time that I could get to 800m? What is the ...
March 14, 2011

Business Communication
Indicate the alternative that both correctly evaluates the following sentence and correctly explains the reason for the evaluation. “As soon as you provide your date of birth on Line 2, your application for a flexible spending account will be processed.” a) Good ...
February 24, 2011

Business Communication
Which of the following would be classified as an informative or positive message? a) A request for information b) An announcement of a policy that reduces benefits c) A memo for the file recording actions and rationales d) A letter to an employer announcing you have accepted ...
February 24, 2011

Business Communication
Many companies have found that family-friendly policies: a) are good recruiting tools, but often result in relocation failures. b) are one of the six leading reasons that new managers fail. c) have given employees with children higher overall compensation levels. d) produce ...
February 24, 2011

Business Communication
The dean of students is announcing a reception for new nontraditional students. Which of the following is the BEST subject line? a) Nontraditional Students b) Reception to Welcome Nontraditional Students Who are Attending the University for the First Time c) Will You Help Us ...
February 24, 2011

statistics
In a batch of 97 computer diskettes, 8 are defective. A sample of six diskettes is to be selected from the batch.How many of the samples consist of all defective diskettes?
February 20, 2011

math
You select 10 cards randomly from a deck of 52 cards. What is the probability that all of the cards selected are face cards (i.e. jacks, queens, or kings)?
September 20, 2010

8th grade
what vegetable has these letters? HARBRUB?
September 14, 2010

science
what is a change in position
June 1, 2010

science
___________ IS A FORCE THAT OPPOSES AN OBJECT IN MOTION
June 1, 2010

science
there are no chocies
June 1, 2010

social studies
there is no chocies
June 1, 2010

science
what is force that opposes the motion of an object through liquid or gas
June 1, 2010

Math
What is the angle measure for a section in a circle graph that represents 38%?
April 21, 2010

statistics
Two percent of the circuit boards manufactured by a particular company are defective. If circuit boards are randomly selected for testing, the probability that the number of circuit boards inspected before a defective board is found is greater than 10 is
March 29, 2010

statistics
Two percent of the circuit boards manufactured by a particular company are defective. If circuit boards are randomly selected for testing, the probability that the number of circuit boards inspected before a defective board is found is greater than 10 is
March 29, 2010

math
ghuj
March 29, 2010

Chemistry
Use the balanced equation to determine the theoretical yield. Focus on the chemicals whose quantities you are given or are asked to find. CO is not important as it is excess and will make sure that all of the Fe2O3 will be changed to iron. Remember the quotients (numbers in ...
March 28, 2010

Math
Thank you Ms. Sue:)
March 10, 2010

Math
A juice mix requires the addition of 32 oz of water for every 12 oz of juice concentrate. How much juice mix may be made from 15 oz of concentrate?
March 10, 2010

Math
Yes! Thank you Ms. Sue
March 4, 2010

Math
Hi Ms. Sue 5/6 ÷ -18 5/6 x -1/18= -5/108 Did I do this right?
March 4, 2010

Math
Find each quotient. A. 7/3 ÷3 1/2 B. 5/6 ÷ -18
March 4, 2010

Math
Thank you
March 2, 2010

Math
how do you write 0.7012 in scientific notation?
March 2, 2010

Math
Thank you for walking me through the problem. You are greatly appreciated:)
February 27, 2010

Math
Jack has 99 hot dogs and 261 hot dog buns. He wants to put the same number of hot dogs and hot dog buns on each tray. What is the greatest number of trays Jack can use to accomplish this?
February 27, 2010

social studies/history
20 example/ways the govt. of north korea control the country and the people
January 18, 2010

math
your school is raffling off a TV set and a total of 750 tickets were sold. you sold 75 tickets to your family. what fractional value did you sell?
December 1, 2009

10th grade algebra
Hi
November 12, 2009

5th grade Language
Yaeh Ms. Sue's answers are right
November 5, 2009

math
A. write (2^3)^3 as a single power of 2. show your work . B.write your answer from part A as a standard number. please help i dont get it.
April 19, 2009

5th grade social studies
Who were some of the famous explorers of 1450-1763???
April 15, 2009

5th grade social studies
What was the french and indian war about?
April 15, 2009

social studies
who were some of the famous explorers of the years 1450-1763?
April 15, 2009

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