# Posts by alisa

Total # Posts: 86

**Chemistry **

Calculate the number of H Atoms present in 0.125 g CH3OH

**Chemistry**

Calculate the mass in grams of 2.5*10^20 NO molecules

**Chemistry**

How many germanium atoms are present in 0.155g of the metal?

**Physics 202**

In a lecture hall you sit 12 m directly in front of one of the two speakers on the front of the hall. The second speaker is 8m from the first in line with the front of the room, so that the speakers and you form a triangle with a 90° angle. What frequencies in the human ...

**Math**

Checking my 6th grade daughter's homework but don't know how write these rational numbers in the form a/b... 4.75 6 1/8 6.3 10 1/2

**Physics**

In really stormy weather and with the right conditions, the sky would dump a bunch of hail, making the roads rather hazardous. A choir director was driving his car in these conditions and going a tad fast under the circumstances. His car began to slip on the balls of ice in ...

**Physics**

If we have just counted 15 seconds between the lightning and thunder, how far away do we predict the center of the thunderstorm to be using the 3 second rule and What was the percent difference between the prediction and the real distance of the thunderstorm? The speed of ...

**Chemistry**

What volume is occupied by 100 g of air at room temperature (d = 1.20 g/L)?

**Math**

How can you make 64:256 into a ratio

**Math**

A 20000 business computer depreciates at a rate of 15% per year. What is the following equations would model the value of the computer.. Y=20000 (.15) Y=20000 (.85) Y=20000 (1.15) Y=20000 +15x

**MATH**

prove the identity: cos(x)*csc(x)*tan(x)=1

**Physics**

How long does it take an automobile traveling 68.5 km/h to become even with a car that is traveling in another lane at 56.5 km/h if the cars’ front bumpers are initially 145 m apart? Answer in units of s.

**SCI 207**

Which of the following is not an environmental impact of conventional agriculture express.ed

**Geometry**

all square and all rectangles are equiangular?

**Math; Please help and thank you**

sin(x+(pi/4))- sin(x-(pi/4))=1 1. Apply the sum and difference formulas for sine to simplify the left-hand side of the equation. 2. find all the solutions you found to the equation you found.

**8gradeHistory**

1823

**English 11**

Please help?! 9. Which of the following is NOT a primary source from early american and colonial literature? -The song of hiawatha -"sinners in the hands of an angry god" -the federalist papers -notes in the state of virginia

**Physics**

0.8

**Physical Science- Help Please!**

Carbon 14 has a half-life of 5,730 years. How long will it take for 400 grams of carbon 14 to decay to the point that only 100 grams are carbon 14.

**math**

which data landmark best represents the number of hours a student watches television, the mean, median or mode?

**physic**

11. What is the acceleration of a 4000 kg airplane that has a force on it of 24,000 N

**Math**

A standard basketball has a diameter of 9 9/16 inches (that is 9 inches and 9/16 of an inch). What sit he volume of air in the basketball?

**Math**

Thank you Steve this helped me!

**Math**

I forget how to do these type of word problems. Assume you working on the house pictured below. The length of the house is 50 feet, the width is 30 feet, and from the ground to the gable (the height of the rectangle) is 10 feet. The height of the triangular prism on top is 6.5...

**Chemistry --- chemistry ---**

In an atom, the number of electrons is equal to the number of protons. In an ion, the number of electrons is not equal to the number of neutrons. A positive ion has more protons than electrons whilst a negative ion has more electrons than protons.

**chemistry**

vinegar/water = 0ml/35ml initial mass (g) = 82.420 final mass with AS(g) = 84.925 How do I figure out initial mass of AS (g)= mass of CO2 evolved = moles of CO2(moles)= Mass of NaHCO3 (g)=

**visual basic 2010**

Assuming the ocean's level is currently rising at about 1.5 millimeters per year, create an application that displays the number of millimeters that the ocean will have risen each year for the next 10 years.

**math**

which best describes 12 dolls in each of 100 boxes a) eqyak ti 100 b)less than 1000 c0 equal to 1000 d) more than 1000 please explain

**visual basic net**

Formula F=1.8 * C + 32 Create an application that displays a table of the Celsius temperature 0 through 20 and their fahrenheit equivalents. The application should use a loop to display the temperatures in a list box.

**math**

A standard basketball has a diameter of 9 9/16 inches (that is 9 inches and 9/16 of an inch). What sit he volume of air in the basketball?

**british lit**

the narrator of heart of darkness by joseph conrad is (A) second person limited (B) first person limited (C) third person limited (D) third person omniscient *i think it is fist person limited i get so confused on these this is the only question i need...??? please tell me if ...

**Programming logic**

Finding the bugs. // Each time a salesperson sells a car at the Pardeeville New and Used Auto Dealership, // a record is created containing the salesperson’s name and the amount of the sale. // Sales of new and used cars are kept in separate files because several reports...

**Chemistry**

Given the following data, calculate the enthalpy change for the reaction S(s)+ O2(g)->SO2(g) S(s)+(3/2)O2(g)->SO3(g) H=-395.2 kJ 2SO2(g)+ O2(g)->2SO3(g) H=-198.2 kJ

**french**

Rewrite the following statements using negation. 1.) Il parle espagnol. 2.) J'etudie Change the following statements in questions using inversion. 1.) Vous jouez au foot. 2.) Marie est ici. The following sentence is written using the "est-ce que" techinque. ...

**Algebra**

In 2006 population of country was 32.2 million. This represented an increase of 3.6% since 2001. What was population of country in 2001. Round to nearest hundredth of a million.

**Algebra Help**

In 2006 population of country was 32.2 million. This represented an increase of 3.6% since 2001. What was population of country in 2001. Round to nearest hundredth of a million.

**Math**

In 2006 population of country was 32.2 million. This represented an increase of 3.6% since 2001. What was population of country in 2001. Round to nearest hundredth of a million.

**British literature**

the poet is Andrew Marvell

**British literature**

To Daffodils Fair daffodils, we weep to see You haste away so soon: As yet the early-rising sun Has not attain'd his noon. Stay,stay, Until the hasting day Has run But to the evensong, And, having pray'd together, we Will go with you along. We have short time to stay...

**British literature**

thank you this helped me a lot=D

**British literature**

how do you mark the syllables, separate the feet with vertical lines, and indicate the rhyme scheme of the following passages That time of year thou mayst in me behold______ When yellow leaves, or none, or few, do hang_____ Upon those boughs which shake against the cold,...

**geometry**

If the ratio of the volume of two similar solids is 8:125, then what is the ratio of their surface areas?

**geometry**

If the surface area of solid 1 is 54pi cm squared, find the surface area of solid 2. If the volume of solid 2 is 250pi cm to the 3rd power, find the volume to solid 1.

**geometry**

Two similar solids have a scale factor of 3:5. If the height of solid 1 is 3cm, what is the height of solid 2?

**geometry**

Two similar solids have a scale factor of 3:5. If the height of solid 1 is 3cm, what is the height of solid 2?

**geometry**

True or false Tangent circles always have exactly one common tangent.

**geometry**

A carpenter must ensure that a large window frame is a rectangle. If the corners are labled E,F,G, and H, the carpenter knows that EF=51 inches, FG=28 inches, GH=51 inches, and EH=28 inches. The carpenter could measure the diagonals EG and FH and verify that they are the same ...

**geometry**

If all four sides of a quadrilateral measure the same length, and one coner angle measures 90 degree, what shape can the quadrilateral be A)rhombus B)rectangle C)square D)parallelogram E)all of these

**geometry**

what shape is NOT equiangular? A)rhombus B)rectangle C)square D)regular polygon

**geometry**

what shape is NOT equilateral? A)rhombus B)rectangle C)square D)regular polygon

**geometry**

what shape is NOT equilateral? A)rhombus B)rectangle C)square D)regular polygon what shape is NOT equiangular? A)rhombus B)rectangle C)square D)regular polygon

**geometry**

If the sum of the measures of the interior angles of a convex n-gon is equal to the sum of the measures of the exterior angles, how many sides does the n-gon have?

**geometry**

The measure of an interior angle of a regular n-gon is 140 degree. How many sides are in the regular polygon?

**geometry**

The sides of an acute triangle are x, 35, and 37, where x is the shortest side. Find the range of possible values for x and express it as an inequality

**geometry**

Dru is challanged by her geomtry teacher to estimate the height of the school flag pole without measuring. She decided to walk off the length of the shadow cast by the pole by successively walking the noted length of her own shadow. If Dru is 5ft 6inches tall and she estimates...

**geometry**

Is it possible to construct a triangle with sides 4,5,9? If not, explain why.

**geometry**

Given: In triangle ABC, <A=135 degree Prove: <B is not equal to 45 degree ( Write an indirect proof)

**Calculus**

ur booty

**Physics**

A vehicle travelling 30mph collides head-on with another vehicle travelling 50mph, the force of impact, theoretically, would be the same as a vehicle travelling: A. 80mph hitting a cement wall B. 80mph hitting a stopped vehicle c. 50mph hitting a cement wall d. 30mph hitting a...

**pre-algebra**

which shows the ratio as a fraction in simplest form? 30 to 65?

**Calc**

For positive constants k and g, the velocity, v, of a particle of mass m at time t is given by v= mg/k(1−e^(−kt/m)) At what rate is the velocity is changing at time 0? At t=1? What do your answers tell you about the motion?

**Calc**

A voltage V across a resistance R generates a current I=V/R. If a constant voltage of 16 volts is put across a resistance that is increasing at a rate of 0.2 ohms per second when the resistance is 6 ohms, at what rate is the current changing? (Give units.)

**Physics**

why don't balls bounce as high during the second bounce as they do in the first?

**Sociology college**

I believe the answer is consortium. At least that is what I put on the EXACT same question!

**algebra**

ms.sue, how would you solve the square-root of two manually, without a calculator?

**algebra**

How do you convert the square-root of 2 into a decimal? The question states:"write the numbers in increasing order" The numbers are 1,1/3,and square root of 2. Thanks for your help!

**grammar**

They have endeared me by just being themselves and helping me learn to appreciate the imagination, creativity, and personality inside of them.

**Critical Thinking**

I need to write a paper on a topic based on health care. I am looking on some ideas that I may be able to use. Again, the general topic needs to be health care and I have to pic a subtopic within that. Thanks!

**geomerty**

what is a biconditional statement

**Business Research**

Where I cn find information on why written report so important

**8th grade advanced math (Algebra Two)**

A buoyant girl ant

**Math**

Marla begins walking at 3 mi/h toward the library. Her friend meets her at the halfway point and drives her the rest of the way to the library. The distance to the library is four miles. How many hours did Marla walk?

**8th grade**

what are all the acts

**mathematics: algebra;equations**

wuts the answer for -12 + 5u= -48

**geometry**

all sides different lengths name the polygon8

**science**

k .. how are elements formed in stars? i have exam tomorrow ..and i need th annswer!!! THANKS The gas from which they formed had been seeded with the heavy elements formed from previous giant stars. Nucleosynthesis--wikipedia

**history**

Thomas Jefferson was less critical of the French Revolution than the Federalists. True or False? http://chnm.gmu.edu/revolution/d/592/ and 4th paragraph down here: http://www.whitehouse.gov/history/presidents/tj3.html

**another history ?**

The first contested presidential election in the United States was in 1788 or 1792? I am getting conflicting answers. Check out both of these sites... http://en.wikipedia.org/wiki/United_States_presidential_election,_1796 http://www.historynet.com/culture/politics/3027416.html...

**american history**

The first frontier state to enter the Union was: Tennessee Vermont Ohio Kentucky Louisiana I believe it was Vermont I am stuggling between Vermont, Tennessee and Kentucky You can find that here: http://www.50states.com/statehood.htm The answer is still not clear. There is a ...

**american history**

The cotton gin resulted in: The death of slavery A slight increase in slavery The rejuvenation of slavery No noticeable increase in slavery The extension of slavery to the North I think it is the extension of slavery to the north. Actually I think it might be a slight increase...

**please check Am. History answers before I submit**

1. Which of the following was not part of Britain's new imperial system after 1763? (Points: 1) The Molasses Act 2. Colonial assemblies established committees of correspondence to: (Points: 1) Coordinate intercolonial communication and organize efforts to defend American ...

**Am. History- could fail class, please help quickly**

1. Which of the following was not part of Britain's new imperial system after 1763? (Points: 1) The Sugar Act The Molasses Act The Stamp Act The Currency Act The Quartering Act 2. Colonial assemblies established committees of correspondence to: (Points: 1) Coordinate ...

**american history**

1. Which of the following was not part of Britain's new imperial system after 1763? The Sugar Act The Molasses Act The Stamp Act The Currency Act The Quartering Act Please check the date for the Molasses Act.

**science**

I need this umscarble!ndtsarda

**social studies**

The English colonies in North America were united by all but which of the following: A uniform language based on the London English dialect. Traditional English inheritance laws. An uncomplicated legal system with few professional lawyers. Military concepts based on volunteer ...

**American History**

The policy of mercantilism entails all of the following except that: Colonies exist for the benefit of the mother country. Colonies should act as a source of raw materials for the mother country. Colonies should act as markets for the mother country. Colonies should develop ...

- Pages:
**1**