Thursday

April 24, 2014

April 24, 2014

Total # Posts: 2,656

**economics**

the currency in Great Britain is pound and the price of a particular British car is 12,000. suppose the exchange rate is 0.67 per dollar. what iis the price of the British car in United States dollars?

**Physics**

A two-stage rocket is launched straight up from rest. It accelerates at 26.4 m/s/s for 3.92 seconds during the first stage. It accelerates at 12.3 m/s/s for 4.48 more seconds during the second stage. After second stage burnout the rocket comes under the influence of gravity on...

**Physics**

Part 1: Two balls (Ball 1 and Ball 2) are released from the top of a tower. Ball 2 is thrown 3.14 seconds after Ball 1 is dropped. Ball 2 is thrown downward with a velocity of 3.49 m/s. Determine how far apart Ball 1 and Ball 2 are after 5.02 seconds from when Ball 1 was relea...

**Physics**

Part 1: Two balls (Ball 1 and Ball 2) are released from the top of a tower. Ball 2 is thrown 3.14 seconds after Ball 1 is dropped. Ball 2 is thrown downward with a velocity of 3.49 m/s. Determine how far apart Ball 1 and Ball 2 are after 5.02 seconds from when Ball 1 was relea...

**Physics**

Two balls (Ball 1 and Ball 2) are released from the top of a tower. Ball 2 is thrown 3.14 seconds after Ball 1 is dropped. Ball 2 is thrown downward with a velocity of 3.49 m/s. Determine how far Ball 1 has fallen (to two decimal points) by the time Ball 2 is thrown.

**physics**

Emily takes a trip, driving with a constant velocity of 89.5 km/h to the north except for a 22 min rest stop. If Emily's average velocity is 70.8 km/h to the north, how long does the trip take?

**Calculus**

what is the limit of g(theta)= tan(4theta)/4theta.

**Calculus**

Find if there are any vertical asymptotes: g(theta)= (tan4theta)/(4theta)

**physics**

A swimmer heads directly across a river, swimming at 1.10 m/s relative to the water. She arrives at a point 52.0 m downstream from the point directly across the river, 72.0 m wide. What is the speed of the river current? What is the swimmer's speed relative to the shore? I...

**Organic Physiological Chemistry**

draw each of the following compounds using condensed formulas: a) 3,3,5-trimethyl-1-hexene b) 1-bromo-3-chloro-1-heptyne c) 3-heptyne Not sure if I am doing this right, but for a) i put CH3C(CH3)2CH=CH3

**Chemistry**

I believe you would subtract the dry weight of the alum from the wet alum weight, then divide that answer by the original weight of wet alum: 13.44g(wet) - 11.28g (dry) = 2.16g of water that was lost. 2.16g H20/ 13.44g wet alum =0.1607 X 100 = 16.07% H20 lost Hope this helps :)

**math**

plug in 4 for x. y=16

**Calculus**

the limit as x approaches 3 from the right of ln(x^2 -9). what is the limit, if it exist?

**MATH**

(-5)^4 should be (-5)*(-5)*(-5)*(-5) for -(10)^2 was the negitive attached to the ten if so its (-10)*(-10) if not then its (10)*(10)*(-1)

**Calculus**

What x-values make f not continuous f(x)= x/(x^2 -3)

**math**

y=-.5 x=-5/2

**Calculus**

Find the constants a and b such that the function is continuous on the entire line f(x){7, x is less than or equal to -3 ax+b, -3 is less than x is greater than 4 -7, x is less than or equal to 4

**powers of exponents math**

0k, d) -8, f)-16

**powers of exponents math**

Is the * multiplication or the exponent?

**Algebra**

How you wrote your question is kind of confusing.

**history**

I need help with six dialouge questions for jesus or abraham would anyone help me please its due monday? Example: Budda,what would you say is the most notable difference between Buddism and Hinduism?

**Math/Geometry**

If 2x=20, does x=10?

**science**

Ask Zeus

**science**

the mass of a shot an Olympic shot putter throws should be measured in what

**chemistry**

Sodium (Na) metal undergoes a chemical reaction with chlorine (Cl) gas to yield sodium Cl, or common table salt. If 1.00 g of sodium reacts with 1.54 g of chlorine, 2.54 g of sodium chloride is formed and 17.9 kJ of heat is released. How much sodium and how much chlorine is gr...

**physics**

find the mass of a balloon filled with helium if its volume is .25 m cubed the density of the helium is .178

**writing**

Type a short character sketch of a fictional Puritan named Justice Johnson based on what you have learned about the Puritans. Make certain that you describe how he dresses, how he lives, what he believes, how he spends his time--in short, describe him so that a stranger, who k...

**Algebra 1**

Elimination and substitution are two methods

**Algebra**

One more than the product of and Mabel's score translate to algebraic expression

**math**

6d-3d+2d=35 Add all the "d" values together, so... 5d=35 divide by 5 from both sides to isolate "d" 5d/5=35/5 therefore, d=7

**Physics**

A person takes a trip, driving with a constant speed of 92.0 km/h except for a 22.0 min rest stop. If the person's average speed is 78.6 km/h, how long is the trip?

**Physics**

A tennis ball with a speed of 5.0 m/s is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 3.0 m/s. If the ball is in contact with the wall for 0.013 s, what is the average acceleration of the ball while it i...

**geometry**

If F is between E and G, and EF = 8x - 14, FG = 4x -1 and EG =59, then what does x equal?

**algebra**

i'm not sure what the answer is can you tell me waat it is

**chemistry**

what is the characteristics of solids, liquids,gases

**Physics**

A. A baseball is seen to pass upward by a window 28.1 m above the street with a vertical speed of 13.7 m/s. If the ball was thrown from the street, what was its initial speed? B. What altitude does it reach? C. How long before the ball passed the window was it thrown? D. How l...

**alegbra**

a tugboat goes 160 miles upstream in 20 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a current and the speed of the current.

**Geometry**

If a circle with center O has equilateral triangle AOB inscribed with sides 10 inches long. If OC is perpendicular to AB at P, what is the length of AP in inches?

**math**

709

**His 103 World Civilization I**

•How has the nature and technology of warfare evolved, from earliest times to 1500 CE?

**math advanced functions**

a) Determine the measure of the central angle that is formed by an arc length of 5 cm in a circle with a radius of 2.5cm. Express the measure in both radians and degrees, correct to one decimal place. b) Determine the arc length of a circle in part a) if the central angle is 2...

**Calc**

Am I doing this correct? y-y1=m(x-x1) y-1/2=-1/2(x-2) y-1/2=-1/2x+1 add 1/2 to both sides y=-1/2x+1.5

**Calc**

I meant f(x)sqrt(x^2+6x), thank you!

**Calc**

Find the equation of the tangent line to f(x)=sqrtx^2+6x at x=2, give your answer in slope-intercept form

**Civics**

Can someone please help

**Civics **

By the start of World War I, America had emerged as a global power. A large part of this power had to do with American expansion overseas. What territories did America acquire during the late 19th and early 20th centuries? What competing arguments exist regarding this period o...

**math**

sin è=? O=8 H=16

**math**

yes

**math**

i was thinking neither..im not sure though

**math**

Triangle ΔABC has vertices A(2,5), B(8,1) and C(-2,-1) and is a right triangle. If the slope of AB is -2/3 and the slope of AC is 3/2, are the lines parallel, perpendicular or neither?

**Math**

The sum of the angles of any triangle always equals ?

**chemistry**

The disintegration of a radioisotope, such as I-131 to Xe-131, is another example of a first-order reaction. It has a half-life of 8.0 days. I-131 -> Xe-131 + e If you start with 1.40 g I-131, how many grams of I-131 will be left after the following days? 08 days: g, 16 day...

**chemistry**

The disintegration of a radioisotope, such as I-131 to Xe-131, is another example of a first-order reaction. It has a half-life of 8.0 days. I-131 -> Xe-131 + e If you start with 1.40 g I-131, how many grams of I-131 will be left after the following days? PLEASE HELP!!!!

**Chemistry**

A half-life of a H2O2 solution at a certain condition is 4 weeks. You have a 100 mL of 1.00M H2O2 solution. How many moles of H2O2 will be left in the solution after the following weeks? 04 weeks after: moles 08 weeks after: moles 16 weeks after: moles 20 weeks after: moles

**Organic Chemistry**

A half-life of a H2O2 solution at a certain condition is 4 weeks. You have a 100 mL of 1.00M H2O2 solution. How many moles of H2O2 will be left in the solution after the following weeks? 04 weeks after: moles 08 weeks after: moles 16 weeks after: moles 20 weeks after: moles

**Geometry**

Joel is laying pipe for a sprinkler system before he plants his lawn.The lawn is a rectangle 15 feet long and 8 ft wide. He needs to lay a piece if pipe that will run diagonal along the lawn. It will divide the area of the lawn into two right triangles. what will be the length...

**Science**

oh my goodness, thank you so much!

**Science**

How did Galileo come to the conlcusion that the moon has mountains on its surface? Please don't give me the answer! Just a website that contains the answer would be great, thanks.

**chemistry**

What is the final temperature of 15.0 g water initialy at 5.5 degrees celcius when 1140 J is added?

**Chemistry**

When 1.5 grams of magnesium burns, how many grams of magnesium oxide will be formed? a) Write a balanced chemical equation for the above reaction. b) Show by unit conversion (show conversion factors, ie. 2 g H20 x 1 mole H2O/18 g H2O x ...... x ...... = answer

**Algebra**

what is the area of a rhombus whose diagonals is 16 and 9

**Math, Geometery**

A.216.5 sq in. B.228.5 sq in. C.242.5 sq in. D 251.5 sq in.

**Math, Geometery**

Hey Guys I have a problem like on the kids on here. What is the area of a regular pentagon with a side length of 10 inches and a distance from the center to a vertex of 10 inches? Round by nearest tenth. I know you have to use pythagrean therom to solve for vertex of 10 inch. ...

**geometry**

In the accompanying diagram of circle O, chord AB busects CD at E. If AE=8 and BE=9, find the length of CE in simplest radical form.

**Physics Please Help ASAP**

Thankyouuuu So Much Elena you are by far the greatest person who ever lived <3 and u too drwls !

**Physics Please Help ASAP**

Identify the unknown particles X and X' in the following nuclear reactions. (In parts (a) and (b), enter only the missing product or reactant.) A) X + 4over2 HE -> 24over12 Mg+1over0 n B) 235over92U+1over0 n -> 90over38Sr+X+2and 1over0 n

**Physics Equations of Motion**

90.5x10^3 :)

**accounting **

Pearson Corporation makes an investment today (January 1, 2012). They will receive $6,000 every December 31st for the next six years (2012 – 2017). If Pearson wants to earn 12% on the investment, what is the most they should invest on January 1, 2012?

**Math**

when do you need to regroup in subtraction and explain regrouping steps?

**Math**

when do you need to regroup in subraction and explain the regrouping steps

**math**

In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of your total grade, each major test is worth 21%, a...

**English**

Please check. I. Correct any errors in the following sentences. Do not use different verbs (for example, “recline” instead of “lie down”). Provide the correct form of the verb given: 1. Yesterday I let my students lay down for a nap, but most of them prefer...

**Social Studies**

its c..

**Social Studies**

its c....

**English**

Please check 8. An entry in the New World Encyclopedia. The entry is called Parent Education. It is written by M. S. Fisher. It was published in 2003. Fisher, M.S. Parent Education. Encyclopedia New World. 2003. Print. 9. An essay appeared in the journal called College English...

**English**

Please check. 1. A book published by Harcourt Press, Inc. It was published in 2001. Harcourt Press is located in the city of New York. The title of the book is Medieval Pageant, and the author is John R. Reinhard. Reinhard, John R. Medieval Pageant. New York City: Harcourt, 20...

**English**

1. A book published by Harcourt Press, Inc. It was published in 2001. Harcourt Press is located in the city of New York. The title of the book is Medieval Pageant, and the author is John R. Reinhard. Reinhard, John R. “Medieval Pageant.”New York City: Harcourt Press,...

**English**

A book published by Harcourt Press, Inc. It was published in 2001. Harcourt Press is located in the city of New York. The title of the book is Medieval Pageant, and the author is John R. Reinhard. How do i cite this source, is there a website that i can go to for help on citei...

**English**

thank you very much!

**English**

8) Jack said, Did Sue ask you this, When will Jack ask me to marry him Jack said, “Did Sue ask you this,” “ When will Jack ask me to marry him?” 11) Did Jason say this: I want to be a millionaire before I am thirty Did Jason say this, “ I want to be a ...

**English**

2) Who said, “A penny saved is a penny earned” Who said, "A Penny saved is a penny earned"? 3) Jack told me that I will have to get a job before this summer. Jack told me that I will have to get a job this summer. 4) Go away, yelled Susie, I don't want ...

**English**

Please check ! 1) Who told you that, asked Jerry? "Who told you that?" asked Jerry. 2) Who said, “A penny saved is a penny earned” Who said, "A Penny saved is a penny earned?" 3) Jack told me that I will have to get a job before this summer. Jack ...

**english**

correct any errors. Please check my answers. Question: 12) Every player on the team, must give their best effort in the championship game. Every player on the team, must give his or her best effort in the championship game. Question: 13) Each person in the seminar must submit ...

**english**

Please check! My best friend told his neighbor that he could not take care of the dogs this weekend. My best friend told his neighbor that he could not take care of his dogs this weekend. When he sat the plate on the glass countertop, it broke into a thousand pieces. When he s...

**English**

The scouts of their mascot must do his or her best to clean up the mess at the campground.

**English**

Please correct the errors, im not sure on this one. The scouts or their mascot must do their best to clean up the mess at the campgrounds.

**english**

i think everyone needs to do his or her best to get the job done. Did anyone leave his or her keys on my desk? My dad said nobody knows how to do his or her fair share of the work on this job. Four years of college classes is a long time without an income.

**english**

correct any errors. I think everyone needs to do their best to get the job done. Did anyone leave their keys on my desk? My dad says nobody know how to do their fair share of the work on this job. Four years of college classes are a long time without an income.

**english**

correct any erroes. Neither the players nor the coach agree with the referee’s call.

**grammar/English**

need help correcting this sentence Fire can be either friendly or a foe, depending on the situation to make it parellel

**Written communications**

Here is my store for my writing assignment. Please tell me if it is good and the errors I made on it. I really need to pass this. It was a cold wintery day in Europe where I lived. I had a family of four. My mom, dad, and sister. My sister, Elizabeth, and I did everything toge...

**written communications**

Okay, when I'm finish will you or someone else check to see if it is good if I post it on here?

**written communications**

Thank you very much. I just don't want to write all that for nothing.

**written communications**

I'm doing the writing skills writing assignment and I'm stuck. It says that you have to use "I" like write it from your point of view, and can't use factual information, so I was wandering if I wrote a story pretending I'm a person that was in the hol...

**Physics HELP!**

A block of mass 3 kg slides along a horizontal surface while a 20-N force is applied to it at an angle of 25°. If needed, use g = 10 m/s2. For a coefficient of kinetic friction of 0.3 between the block and the surface, the frictional force acting on the block is most nearl...

**geometry**

The equation (x + 6)2 + (y + 4)2 = 36 models the position and range of the source of a radio signal. Describe the position of the source and the range of the signals.

**accounting**

1.On December 15, 2012, Pascal declared a cash dividend of $2.00 per share to stockholders of record on December 31. The dividend is payable on January 15, 2013. Pascal has issued 1,000,000 shares of common stock, of which 50,000 shares are held in treasury. 2.At December 31, ...

**Math**

In how many ways can four spades be drawn from a standard deck of playing cards with out replacement?

**English**

you guys are crazy.

**English**

you guys are crazy.

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