Tuesday
September 1, 2015

Posts by claire


Total # Posts: 540

Math
Can some please explain what I have to do to get the answer? An airplane passes directly over Seneca High School. A student at Cherokee High School, which is 4.3 miles away, finds the angle of elevation of the plane to be 19°. Find the altitude of the plane.
July 16, 2015

Geometry
Angles A and C are complementary, and angles C and B are supplementary. If Angle A = 45 degrees, what is the measure of angle B?
July 16, 2015

Geometry
YW bisects angle XYZ. The measure of angle XYZ = 80 degrees. Find the measure of angle XYW
July 16, 2015

math
Yeah thank you Pete...
April 30, 2015

math
I think it's D. Please answer still. Thanks
April 30, 2015

math
What will the graph look like for a system of equations that has no solutions? A. The lines will be perpendicular. B. The lines cross at one point. C. Both equations will form the same line. D. The lines will be parallel. Is the answer B?? Thank you
April 30, 2015

chemistry
25.0 ml of 15% NH4NO3 solution is diluted to 300.0 ml. What is the concentration of the diluted solution? .15% x 25=3.75ml Do I divide by 300ml and that's my answer?
April 16, 2015

math
A bus left the bus station with 90% of the seats full. After six stops, a total of 26 passengers got of the bus and 4 passengers boarded the bus. Now, 35% of the seats are full, How many seats are there on the bus ? 35%*2= 70%= 2*22=44 seats.
March 17, 2015

Chemistry
how much vinegar produces 0.240 moles of acetic acid?
March 10, 2015

math
An antique clock takes 5.5 seconds to chime at 3 o'clock. How long does it take to chime at 9 o'clock ? 5.5/2= 2.75x8=22seconds
March 4, 2015

Language arts
yeah the answer is c :)
February 27, 2015

Science
California's volcanoes formed as the result of what type of plate boundary?
February 6, 2015

History help?
1. is D. 2. C, well thats where it was started in NY, but it could be B because it had spread out to let people know about rights that women should have. I'll say B ?
January 21, 2015

History help?
1.Southern states began to leave the Union not long after this event: a.Lincoln read and established the Emancipation Proclamation b.the fighting at Fort Sumter in South Carolina c.The Battle of Gettysburg was lost by the South d.the election of Abraham Lincoln 1. A or B? I ...
January 21, 2015

Math
thanks!
January 6, 2015

Math
You can buy one 10 pack of AAA batteries for $5.49 and get one battery free, or you can buy two 4 packs for $2.98. Which has the lower unit price per battery? please help and show me the steps, thank you
January 6, 2015

Chemistry
A sample of gas (2.0 mmol) effused through a pinhole in 5.0 s. It will take __________ s for the same amount of to effuse under the same conditions.
December 31, 2014

Math
NO /' I I HEAT YOU AND THIS
December 11, 2014

Science
Which of the following electromagnetic waves is not used for communication?
November 23, 2014

Chemistry
Consider the following reaction: 4NH3(g) +5O2(g) -->4NO(g) +6H2O(g) Suppose we have two flasks connected by a stopcock. In one flask, we have 2.0L of NH3(g) at a pressure of .500 atm. In the other flask, we have 1.00L of O2(g) at a pressure of 1.5atm. When the stopcock is ...
October 29, 2014

Math
A) P is approximately (0.883, 0.469), is a point on the unit circle with angle 28 degrees estimate the following. Sin 152 degrees = Cos 152 degrees = please help me step by step
October 24, 2014

chemistry
When 2016 J of heat energy is added to 49.5 g of ethanol, C2H6O, the temperature increases by 16.6 °C. Calculate the molar heat capacity of C2H6O. 49.5g = 2.98mols C=q/n*temperature change in Celsius 2016/2.98*16.6
October 19, 2014

mathematic
The local skateboard company reports that when they produce and sell n skateboards in a week, the cost is represented by the modelc=850+76n . The revenue is represented by the model r=150n. If both C and R are in dollars, write an equation for the profit from producing and ...
September 30, 2014

physics
A spacecraft is in orbit close to the moon's surface. The centripetal acceleration is 1.6 m/s^2. If the radius of the moon is about 1.7 x 10^6 m, determine: a)the orbital speed b)the period of the orbit
September 27, 2014

science
does kidney transplant always succesful
July 24, 2014

Physics
A 42.0 kg swimmer with an initial speed of 1.50 m/s decides to coast until she comes to rest. If she slows with constant acceleration and stops after coasting 2.00 m, what was the magnitude of the force exerted on her by the water?
July 2, 2014

physics please help!!
find the temperature of the hot reservoir of a carnot engine that has QH=1575j that does work on a 200kg crate, caussing it to go from rest to a velocity of 2.35m/s along the horizontal frictionless surface. Tc=100K
June 26, 2014

math please help
Limit as x approaches zero of (sinx-(x^3/6)/x^5)
June 18, 2014

Maths
For a) you just need to divide that amount of space each girl has by 100 and times it by the total area of the house they are renting. then you times the percentage you get by that cost of rent. eg: Laura = 20/100x50 = 40% = 40/100*900 = $360 For b) you calculate their food ...
May 29, 2014

Maths
Alison, Caitlin and Laura are sharing three bedroom two bathroom house at $900 rent per fortnight. Their weekly food bill is $210 per week and they save $50 per week for electricity and water. They share the rent based on the size of their bedroom and bathroom and share other ...
May 29, 2014

ALGEBRA! URGENT. Check Answers!
Thank you!
May 27, 2014

ALGEBRA! URGENT. Check Answers!
So number 1 and 2 are correct? and Number 3 would be changed to -2x^2 - 2x + 5
May 27, 2014

ALGEBRA! URGENT. Check Answers!
1. 18x^2 + 6 + 4x - 15x^2 - 4 + 13x Answer: 3x^2 + 17x + 2 2. 3x^2 + 6 - 2x + 5x - 4x^2 + 9 Answer: -x^2 + 3x + 15 3. 3x^2 + 5x - 7x + 3 - 5x^2 + 2 Answer: -2x^2 + 2x + 5 4. In the expression -7x - 3x^2 + 5. What is the coefficient of x? Answer: I think it's 7 or -7 Thanks!
May 27, 2014

Math
Thank you. I forgot the brackets
May 9, 2014

Math
What's the answer to 1^2-(2-x)^2=2^2-x^2 The answer said x =7/4 But no matter how I tried. I couldn't get that
May 9, 2014

Paper Writing
I've looked through that, but it doesn't say the proper way to differentiate between each lecture. I was thinking maybe the date or the title of the lecture, but I'm not sure and I didn't see it specifically stated.
April 18, 2014

Paper Writing
MLA
April 18, 2014

Paper Writing
I am writing a paper where I cite multiple lectures by the same professor. How do I format the intext citations?
April 18, 2014

Math
I mean t -336x^3+ 288x
February 13, 2014

Math
How do you factor out the GCF from each polynomial in this kind of problems -336x3 + 288x
February 13, 2014

Math
A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such factors
February 8, 2014

Math
A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such factors
February 7, 2014

Math
Peter notices that the teenage students who are members of the math club have ages whose product is 611520. How many members does the club have? Extensions: Is it true that whatever number replaces 611520 that this problem has a unique solution? Suppose the club included 12 ...
February 7, 2014

Precalculus
Let f(x)=e^x. Compute the average rate of change over the interval [ln3, ln4].
January 27, 2014

chemistry
Question: Consider this molecular-level representation of a gas. There are: 5 orange gas particles 6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of the diatomic gas is 0.510 atm, what is the total pressure? I have tried...
December 8, 2013

English (phrasal modals)
So I am correct on the first one because "could be" is not a phrasal modal. "Could" is just a single-word modal.
November 19, 2013

English (phrasal modals)
Zach used to work at an independent record label. Negotiating could be exciting, but he was supposed to slant everything in the label’s favor. Some reps used questionable tactics. He couldn’t look at himself in the mirror if he treated people like that. First ...
November 19, 2013

chemistry
1. A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 40 gallons of gasoline every month, producing about 750 lbs of carbon dioxide.\" To determine the truth of this statement, ...
November 17, 2013

Calculus Antiderivative Problem
An object moves along a coordinate line with acceleration a(t)=(t+2)^3 units per second per second. a). The initial velocity is 9 units per second. The velocity function is v(t) = b).The initial position is 2 units to the right of the origin. The position function is x(t) =
November 8, 2013

Calculus Antiderivative Problem
A car traveling at 46 mph decelerates at 21 feet per second per second. a). How long does it take for the car to come to a complete stop? b). What distance is required to bring the car to a complete stop? An
November 8, 2013

English
I just can't think of anything to write about from all of those words I don't know how to start it
October 8, 2013

English
Make a story with these words : climb,explode,sing,bounce,fly,cereal,bouncing castle,bomb,rainbow,hippy,ameriican farmer,superhero,mentally unstable man
October 8, 2013

History
Thank you ever so much ms.sue xxx mwahhh
October 8, 2013

History
Give me a paragraph on patricians villas from Rome
October 8, 2013

History
Describe a patrician villa
October 8, 2013

Check my answer plz!!
It's all right well done :)
October 8, 2013

Anthropology
What are some examples of careers for Prehistoric Archaeologists?
August 21, 2013

Maths
At 7pm the outdoor temperature was -12degrees celsius. By 11pm the temperature in degrees celsius had dropped x degrees celsius. Which expression represents the temperature reading at 11pm. a -12-x b -12+x c-12 d -12x e 12 a is my answer A total of m players came to soccer ...
August 14, 2013

math
There is a jar of 16 marbles. 4 red, 7 blue and 5 green. 1) What is the probability of selecting a red marble, REPLACING it, and then selecting a blue marble. 2) What is the probability of selecting a red marble, then SETTING IT ASIDEm then selecting a blue marble?
May 24, 2013

College Chemistry 104
Students are attempting to construct a battery in the laboratory that will light up a light bulb. Compare the following lists prepared by students and determine which student will not be able to successfully build a "battery" that will light up the bulb. Student 1 ...
May 10, 2013

MATH Calculus Homework PLEASE HELP!
Let T be the triangle 1≤x≤2, 0≤y≤3x-3. Find the volume that results by rotating the triangle T around the line x=-1.
May 9, 2013

MATH Calculus Homework #2
Let T be the triangle 1\le x\le 2, 0\le y\le 3x-3. Find the volume that results by rotating the triangle T around the line x=-1.
May 9, 2013

MATH Calculus Homework
Oh I forgot about the ± sign. THANK YOU!!
May 9, 2013

MATH Calculus Homework
Why is g(x)=-sqrt(4x)?
May 9, 2013

MATH Calculus Homework
I sorry but I don't undestand. What would be f(x) and g(x)?
May 9, 2013

MATH Calculus Homework
Find the area of the region between the curve y^2=4x and the line x=3.
May 9, 2013

MATH Calculus Homework
First off, thank you answering my question. I just have one question. So does it matter which method we use? I am just trying to find a better way of understanding this problem from a visual perspective.
May 9, 2013

MATH Calculus Homework
Let R be the region between the graph of y=x3 and the x-axis, and between x=0 and x=1. Compute the volume of the region obtained by revolving R around the y-axis
May 9, 2013

Meteorology
What weather word has the letters pedtidnw
April 18, 2013

Probability
It's the floor function of(n+1)p . (n+1)p = 2.6 and the floor is therefore 2.
March 31, 2013

Probability
Let X be the number of successes in 25 independent trials with probability 1/10 of success in each trial. Let m be the most likely value of S. Find m.
March 31, 2013

American History
What principles of American foreign policy did the Berlin airlift put into action? What do you think might have happened if the U.S. and Britain had not tried the airlift or if the airlift had failed?
March 17, 2013

Morphemes
My professor gave an example: cats - /cat/s /(2 morphemes). And said the s is another morpheme. Is sitting - sit/ting ? Is runners - run/ner/s?
March 12, 2013

Morphemes
Please check these morphemes' divisions. 1)mice -/mice/ (1) 2)sitting - /sitting/ (1) 3) punches - punch/es (2) 4)runners - /runner/s/ (2) 5)firefighters - fire/fight/ers (3) 6) Automobile - auto/mobile (2) 7)Chart - /chart/ (1) 8)horseshoe - horse/shoe (2) 9)sees - /sees...
March 12, 2013

Phonemes
I'm not sure what's wrong with them. Is it because I just typed one t instead of 2?
March 12, 2013

Phonemes
I just wanted check my phonemes' division cow -c/ow (2 phonemes) tree- t/r/E (3) shopping - sh/o/p/i/ng (5) matter - m/a/t/e/r/ (5) gutters- g/u/t/e/r/s (6) horse h/o/r/se (4) car- c/a/r (3) chart /ch/a/r/t (4) see - s/e (2) saw- s/aw (2) sawing- s/aw/i/ng (4) savings- s/a...
March 12, 2013

American History
Thank you!!
March 10, 2013

American History
What was the political goal of the Soviet Union following the end of WWII?
March 10, 2013

Spelling
ok, thank you.
March 3, 2013

Spelling
Here are the words that I have to unscramble to form a sentence. It seems like it might be missing a word. disease contagious could not he doctor his conceal from... I can only come up with a sentence if I add an extra "his". The rules do not say to add an extra word...
March 3, 2013

Math
How much interest will I pay on a £115000 mortgage over 22 years at 4.83% Your kind cooperation would be much appreciated
March 1, 2013

chemistry
Just kidding. I'm stupid. I converted psi to mmHg and not atm to mmHg instead.
February 20, 2013

chemistry
questions**
February 20, 2013

chemistry
What is the pressure in millimeters of mercury of 0.0115mol of helium gas with a volume of 211ml at a temperature of 25 degrees celsius? Ok so I've come up with many different answers but none are right. You convert the mL to L and the temperature to Kelvin by adding 273 ...
February 20, 2013

Chemistry
Ok thank you so much!
February 20, 2013

Chemistry
How many moles of gas must be forced into a 4.8L tire to give it a gauge pressure of 30.8psi at 30 degrees celsius? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.5L so that the total pressure in the tire is 45.3psi. What formula...
February 20, 2013

Physical Science
How many CH4 molecules are contained in a 50gram sample of CH4 gas?
February 12, 2013

Algebra
What is the fourth root of 4^4^4? A long wire is cut into three smaller pieces in the ratio 7:3:2. If the shortest piece is 16 cm, what is the area of the largest rectangle that can be created using the longest piece? Find the value of x in the equation 2013^2013 - 2013^2012= ...
February 7, 2013

algebra
UCLA
January 30, 2013

math
there are two numbers that are 3 times as far from 19 as they are from 11. the sum of the two numbers is?
January 24, 2013

American History
Okay thanks so much Ms. Sue!
January 9, 2013

American History
Did the Soviet Union gain or lose land as a result of the Versailles treaty? or was Germany the only country involved?
January 9, 2013

math
2 boats left the harbour at the same time. One travelled at 10km/h on a course of 47 degrees. from the north. the other travelled 8km/h on a course of 79 degrees. how far apart were the boats after 45 minutes to th nearest tenth of a kilometre.
December 8, 2012

math
calculate the area of a triangle with side lengths 83.75, 110.65, and 90
December 8, 2012

math
factor, 4x^2-8xy-5y^2
November 30, 2012

math
factor 9-900f^2
November 30, 2012

math
factor 9-900f^2
November 30, 2012

math
A rectangle has an area about 225m^2. the width is about 40m less than the length. Find the approximate dimensions of the playing surface. use factoring.
November 30, 2012

math
for the line segment DE one edpoint is D(3,1) and the midpoint is M (0,-4). find the coordinates of endpoint E.
November 30, 2012

Chemistry
So I'm not exactly sure how to answer this problem. NaC2H3O2 is soluble Express your answers as ions separated by a comma. If the compound is not soluble, enter noreaction
November 13, 2012

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