Tuesday
September 23, 2014

Posts by kaitlyn


Total # Posts: 203

Algebra 2
Write the Expression as a complex number in standard form. 5i(3+2i)(8+3i)
September 22, 2014

physics
A military helicopter on a training mission is flying horizontally at a speed of 75.0m/s when it accidentally drops a bomb (fortunately, not armed) at an elevation of 310m . You can ignore air resistance. a:How much time is required for the bomb to reach the earth? b:How far ...
September 22, 2014

Chemistry
Nevermind i got the answer(: It is 135 Torr
September 20, 2014

Chemistry
A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 15.00% naphthalene by mass. Calculate the vapor pressure at 25 ∘C of hexane above the solution. The vapor pressure of pure hexane at 25 ∘C is 151 torr. I keep getting 168 torr...
September 20, 2014

Algebra 2
thanks
September 4, 2014

Algebra 2
For the graph y= ax^2 + bx + c, show that the y-coordinate of the vertex is -b^2/4a + c.
September 4, 2014

Astronomy Question about Neutrinos
I can't seem to figure this out, I know that neutrinos have nonzero mass but I don't know how that can help me figure this out The mass of a neutrino is zero. equal to the mass of a proton. equal to the mass of an electron. less than the mass of an electron but its ...
May 4, 2014

AStronomy/ Math
Thank you
May 4, 2014

AStronomy/ Math
I do not understand how to do one of my online homework questions: What is the Schwarzschild radius of a 100 million-solar-mass black hole? The mass of the Sun is about 2 × 1030 kg, and the formula for the Schwarzschild radius of a black hole of mass M is: R=2GMc2, where...
May 4, 2014

Physics
A 245 g toy car is placed on a narrow 70-cm-diameter track with wheel grooves that keep the car going in a circle. The 1.0 kg track is free to turn on a frictionless, vertical axis. The spokes have negligible mass. After the car's switch is turned on, it soon reaches a ...
April 19, 2014

Geometry - Area
Thank You so much Damon!
April 15, 2014

Geometry - Area
Ms. Sue would you be able to help me! I don't want the straight answer i want to actually learn how to solve a question like this!
April 15, 2014

Geometry - Area
Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long. Round your answer to the nearest tenth.
April 15, 2014

math
Quinn used a scale drawing to build a soccer field near his school. Initially, he wanted the field to be 28 yards long and 17.5 yards wide. He decided to change the length of the field to 36 yards. If the width is to be changed by the same scale factor, what is the new width ...
January 29, 2014

Math Help please Check my answer
You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality. My answer: 11.99x ≤ 59.95 11.99x/11.99 ≤ 59.95/11.99 x ≤ 5
January 14, 2014

Science
1. The fossil remains of a ____ were discovered and named Lucy. (1 point) A. Neanderthal B. Cro-Magnon C. prosimian D. hominid 2. Scientists can tell whether organisms are closely related by comparing there ____. (1 point) A. Hair color B. Teeth C. DNA D. Scientific names 3. ...
December 22, 2013

math (please help)
Thank You so much Jai
October 31, 2013

math (please help)
1. Write the equation for the horizontal line that contains point G(-8, 8). 2. What is an equation for the line that passes through points (-1, -4) and (1, 4)? Write the equation in slope-intersect form. 3. Write an equation for the vertical line that contains point E(10, -3).
October 31, 2013

math
1. A skateboard ramp has a 158º entry angle. Find the measure of ∠1. A.) 22º B.) 68º C.) 78º D.) 58º 2. Which of the following equations parallel to the line passing through A(-2, 7);B(-2, -2)? A.) y = -2 B.) y = x C.) 3x = 5 D.) -2x = 7y 3. ...
October 30, 2013

English
To me "Taking something to heart" means that whatever he/she had said had meant a lot to me (even if its good or bad). other words to me it's like taking something seriously than what it should be.
October 30, 2013

Algerbra
do you have an Ti - 84? that will work it for you in a faster and reasonable manner.
October 30, 2013

Geometry
1.) A skateboard ramp has a 158° entry angle. Find the measure of ∠1. 2.) Which of the following equations is parallel to the line passing through A(-2, 7);B(-2, -2)? 3.) Which of the following equations would graph a line parallel to 3y = 2x - x + 5? *Please help me!
October 29, 2013

chemistry
Determine whether a solid forms when solutions containing the following salts are mixed. If so, write the ionic equation and the net ionic equation. KCl and Na2S
October 27, 2013

Algebra 1
d is to 4 as 32 is to 56. if answer is a fraction change to decimal
October 3, 2013

Algebra 1
A triangle has a perimeter of 81 inches. The side lengths can be found by x, 3x-1, and 4x+2 what is the value of x?
October 3, 2013

Math
Write an algebraic expression for "55 more than the product of 134 and n"
October 1, 2013

Math
Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has,write an expression in terms of n that describes the number of dimes
October 1, 2013

Math
What is an algebraic expression for "49 more than q"
October 1, 2013

earth science
what are the variables on rocks and minerals
September 27, 2013

alegbra 1
Tell whether each number in the list is a real number, a rational number, an irrational number, an integer, or a whole number. square root 3, 5.5, negative square root of 16,and 0
September 26, 2013

PHYSICS
A woman goes out running. She first travels 5.2km north. She then turns and travels 3.6km west. Finally, she turns again and travels 2.6km south. We are assuming a flat rectangular world. If a bird were to start out from the origin (where the woman starts) and fly directly (in...
September 17, 2013

Algebra
The stopping distance D in feet for a car traveling at x miles per hour is given by d(x)= (1/12)x^2+(11/9)x. Determine the driving speeds that correspond to stopping distances between 300 and 500 feet, inclusive. Round speeds to the nearest mile per hour.
June 9, 2013

English
1. Attention Grabber for Odyssey: 2. State/Explain topic: 3. Thesis Statement: Please help me with this!
May 22, 2013

World Geography
I know what she met, but we don't have a book, it was the voice recorder and it doesn't even say the answers to these.
May 10, 2013

World Geography
Well everything is virtual and we use technology for everything and i am a visual learner not jus someone that listens to something snd learns... It's a quick check.
May 10, 2013

World Geography
But we don't have a book... I'm homeschooled so we don't have books.
May 10, 2013

World Geography
Tbh i need help!
May 10, 2013

World Geography
1.Which of the following demographic characteristics distinguishes Europe's population from that of Asia? A.) More Europeans inhabit rural areas. B.) The European population is much younger. C.) Europeans are more concentration in urban areas. D.) Europe has a larger ...
May 10, 2013

World Geography
Thank You, Ms.Sue!
May 9, 2013

World Geography
1.B. 2.B. 3.A. 4.C. Are these correct?
May 9, 2013

World Geography
Ms.Sue, is number 5. B ?
May 9, 2013

World Geography
1. During the late 18th and mid-19th centuries, Europeans and North Americans were attracted to nearby coastal waters due to potential economic gains from? A.) Catching trout and cod fish. B.) Catching seals and whales. C.) Shipbuilding. D.) Finding riches and unexplored ...
May 9, 2013

math
In a class of 50 students, 35 are Democrats, 17 are business majors, and 6 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.
April 28, 2013

chemistry
If 13.5 ml of concentrated (17.0 M) of sulfuric acid was spilled on the chemistry counter, calculate the mass of sodium bicarbonate needed to neutralize the acid
April 28, 2013

AP World History
I have to analyze how sub-Saharan Africa & south & south-east Asia's relationship to global trade patterns changed from 1850 to present. please help !
April 21, 2013

General(dont know actual subject)
Thts not wat i expected from you. I am sure i chose the right one otherwise i wouldnt tell u. Because tht would literally be wasting my time as well as yours. So from tht u should know i chose the rite one. I dont know which is why i was asking you. What are u supposed to help...
April 2, 2013

General(dont know actual subject)
My project is research based... I chose plastic surgery.... Question is: why have you chosen this task? ( in the box below write a paragraph explaining why you have selected your particualar task idea.) I really cant think of why i chose plastic surgery among all the other ...
April 2, 2013

Math trigonometry
Find the measures of the acute angles of a right triangle whose legs are 9 cm and 16 cm long.
March 16, 2013

6th grade math
Equal 15=15 they are dance same number
January 15, 2013

Educational Assitant
Say that is his opinion everyone has an opinion
January 15, 2013

4th grade math
If he starts with a white bead every fourth time boommtheres a white head 1_234_5_678_9_ 1, 5, 9
January 14, 2013

5th grade math
Instead of using fractions use quarter I have one dollar and three quarters and 2 dollars and three quarters try this
December 16, 2012

5th grade math (word problems)
For the first question divide 3 in two 25 your answer is the equation subtracted from 25 2nd question=200×20=your answer
December 12, 2012

3rd grade language
1-3 follow ms sue and Joshua but 4 answer=is=state of being
December 11, 2012

grammer
Who is correct
December 6, 2012

5th grade math
what is a word problem for 4.23x10
December 5, 2012

Elementary
edie needs to start from the ones place then subtract the rest of the problem. simple as pie.
December 5, 2012

Spelling 4th grade
Fly is correct jump is wrong
November 26, 2012

chemistry
Determine whether a solid forms when solutions containing the following salts are mixed. If so, write the ionic equation and the net ionic equation. KCl and Na2S
November 21, 2012

Chemistry
If argon has a volume of 5.0 dm3 and the pressure is .92 atm and the final temperature is 30 degrees celcius and the final volume is 5.7 L and the final pressure is 800 mm Hg, what was the initial temperature of the argon?
November 19, 2012

Algebra
A motorcycle breaks down and the rider has to walk the rest of the way to work. The motorcycle was being driven at 45mi/hr and the rider walks at a speed of 6mi/hr. Teh distance from home to work is 25 miles and the total time for the trip was 2 hours. How far did the ...
November 11, 2012

Angular Speed-Physics
Stars originate as large bodies of slowly rotating gas. Because of gravity, these clumps of gas slowly decrease in size. What happens to the angular speed of a star as it shrinks? Explain.
November 1, 2012

Physics Inertia!
Rank from fastest to slowest. a)a solid ball rolling down a ramp without slipping b)a cylinder rolling down the same ramp without slipping. c)a block sliding down a firctionless ramp with the same height and slope. Select all that apply. The ball is fastest The cylinder is ...
October 30, 2012

Physics
An asteroid with mass m = 1.85*10^9 kg comes from deep space, effectively from infinity, and falls toward Earth. How much work would have to be done on the asteroid by friction to slow it to 550 m/s by the time it reached a distance of 1.50*10^8 m from Earth?
October 16, 2012

Math (kindergarten)
18 + 21 = 39 Answer: 39
October 10, 2012

physics
Henry almost had it right.... s=(2+4+4.5)km/ 20min --> convert to m/s: s=10.5km/20min x 1000m/1km x 1min/60s --> 8.75 m/s
October 4, 2012

algebra
A board is leaning against a building so that the top of the board reaches a height of 18 feet. The bottom fo the board is on the groung 4 feet away from the wall. What is the slope of the board as a positive number?
September 30, 2012

algebra
simplify 36/3*4-(-2) ?
September 19, 2012

physics
What is the final speed?
September 14, 2012

physics
Light-rail passenger trains that provide transportation within and between cities are capable of modest accelerations. The magnitude of the maximum acceleration is typically 1.3 {\rm m}/{\rm s}^{2}, but the driver will usually maintain a constant acceleration that is less than...
September 14, 2012

chemistry
Why is it important to list what you already know about a problem ?
September 3, 2012

Physics (one more)
A lead ball has a volume of 94.3 cm3 at 19.3°C. What is the change in volume when its temperature changes to 34.3°C? Someone on here has already answered this but it was wrong!
June 22, 2012

PHYSICS please!!!!
A cube of wood and a cube of concrete, each 0.17 m on a side, are placed side by side. One of the long faces of the rectangular prism formed by the two cubes is held at 17°C, and the opposite long face is held at 32°C. What is the total rate of heat transfer through ...
June 22, 2012

physics....
nevermind I get it
June 12, 2012

physics....
I don't understand why you're multiplying by two for the second question.
June 12, 2012

world history/World Geography
B. Is the correct answer for this question. Source: Took a World Geography with the same question and got a hundred, and the correct answer is B. (Courtnei, A is wrong answer.)
May 1, 2012

Humanities
Is the answer C?
April 27, 2012

Astronomy
Can you please show me how you calculated your answer?
March 9, 2012

Astronomy
The maximum wavelength of emission from Neptune's cloud tops is 6.0 x 10-5m. Using this value, determine the temperature of Neptune's outer atmosphere.
March 9, 2012

Physics
A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0 Degrees downriver by heading directly across the river. What should be the boat's speed relative to the water?
February 6, 2012

Physics
A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0 Degrees downriver by heading directly across the river. What should be the boat's speed relative to the water?
February 6, 2012

algebra
if a 12 apple weigh 5lb how much 36 weigh
February 6, 2012

Physics
1. set it up: s=d/t --> s=(2+4+4.5)km/ 20min 2. Convert to meters/ seconds s= 10.5km/20 min x 1000m/km x 1min/60s= 8.75 m/s
January 9, 2012

Astronomy
Thank you for your help!
December 12, 2011

Astronomy
Explain the idea of parallaz. The closet star to the Sun, Proxima Centauri, is 4.2 light years away from us. What is its parallax angle?
December 12, 2011

Science
Okay, say im doing a science fair project, and I am not really good at coming up with questions, what would be a good question to ask about Newtons First Law of Motion
November 28, 2011

Astronomy
If we assume the Sun is made totally out of hydrogen, how many hydrogen atoms are contained with the Sun? If the Sun converts half of these hydrogen atoms into helium over its lifetime of about ten billion years, how many hydrogen atoms are converted per second? Mass of Sun = ...
November 22, 2011

Astronomy
Calculate the wavelength of peak emission for a typical sunspot and compare it to that of the photosphere. How many times brighter is the photosphere than a typical sunspot? (Hint: Assume the photosphere and a sunspot are good blackbodies for these calculations.)
November 21, 2011

Physics
Posted earlier but I wrote it incorrectly. How fast would a rocket have to be going in order to completely leave the solar system? (Assume that the Sun is the only mass in the solar system and that the rocket is beginning its journey from Earth's orbit?)
September 30, 2011

Physics
How fast would a rocket have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and that the rocket is beginning its journey from Earth's orbit?)
September 30, 2011

Physics
How fast does a rocket need to be going to break free of Earth's gravity? How fast would it have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and that the rocket is...
September 30, 2011

Physics
How fast does a rocket need to be going to break free of Earth's gravity? How fast would it have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and that the rocket is...
September 29, 2011

science
what effect does sugar water have on a plant?
September 20, 2011

Algebra
what is incorrect in this argument: the equation 5x + 3 = 3 + 5x isalways true because of the symmetric property of equality
September 14, 2011

French
Please help me unscramble the following words in french: penctoier uernigrsul aceir cuehaebrisnfa arlabtce botromen eercn nealum lstaa
September 11, 2011

Physics
A particle starts from xi = 10 m at t0 = 0 and moves with the velocity graph shown in the graph below. Sorry for no graph it's at 12 m/s when time is zero. Moves down consistently so that it is 8 at 1 4 at 2 0 at 3 and negative 2 at 4. (a) What is the object's position...
September 5, 2011

calculus
In a problem where you have to solve the limit f(x) as x approaches x sub zero, what does x sub zero mean?
August 8, 2011

math
Well 9 times 6 gets 54 and there is 2 left over so the answer is 6 and two-ninths
May 23, 2011

Acids and Bases
NaOH was added to 1.0 L of HI(aq) 0.40 M. Calculate H3O in the solution after the addition of .14 mol of NaOH. Calculate H3O in the solution after the addition of 0.91 mol of NaOH.
March 23, 2011

math
1/6 students like math, 2/3 like reading and 12 like science. How many students were asked.
March 22, 2011

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