Posts by Amber

Total # Posts: 1,719

Math- Calculus
I need help with these problems, I cannot find a similar example to help me in the book: 1. Find lim x->infinity (e^(-2x) + sin x). 2. Find the derivative of sqrt(9-x) using the limit process. 3. Find lim x-> -infinity (x + sqrt(x^2 + 2x)). 4. Show that the equation e^x...

Algebra
Every sack of sugar has the same weight. Every sack of flour has the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that three sacks of sugar together with four sacks of flour weighs no more than 50 pounds, and that the weight of two ...

Math
why do i have the same question but instead the answer for this is 10m, 12m, and 13m?

Physics
An Earth satellite moves in a circular orbit 946 km above Earth's surface with a period of 103.8 min. What are (a) the speed and (b) the magnitude of the centripetal acceleration of the satellite? I got an answer of 7388.897 m/s for part a, but I'm stuck on part b

LA
This is very disrespectful towards Ms.Sue, That so called "parent" is just an ignorant child of which is to lazy to do the work on their own. I feel sick.

Language Arts
begged

Calculus
Typo: 1.) Find the equation of the line that is tangent to the graph of y=x^3 at x=1.

Calculus
1.) Find the equation of the line that is tangent to the graph of y-y^3 at x=1. 2.) lim x->0 ((sin x*cos 2x)/3x) 3.) Show, using the squeeze theorem, that the limit of Xe^(sin 1/x) as x->0 is 0.

Physics
How would Ion Propulsion affect the cpst of spaceflight? Or How much does ion thrusters/ ion propulsion cost? I have been googling this for an hour and have yet discovered a answer. Help ??

Constitutional Law
The correct answer is 1%

Math (TRIG)
Please help me set up these problems. 1.) Find an equivalent equation in rectangular coordinates. r(1 - 2 cos θ) = 1 2.) Find a rectangular equation for the plane curve defined by the parametric equations. x = sec t, y = tan 3.) A projectile is fired with an initial ...

statistics
97.82

Math check my answer please!
Which expression is equivalent to 4x4x4x4x4x4x4x4? a. 4 x 8 b. 8^4 c. 8x8 d. 4^8 I think D.

calculus, help!
Evaluate the definite integral: int_{1}^{e^9} \frac{dx}{x \sqrt{\ln x}} = i gt my answer as 1^(e^9) but it's saying it's wrong

Calculus
it saying -8 isn't the number

Calculus
consider the function f(x) = (x if x<1 (1/x if x>or equal to 1 Evaluate the definite integral: int_{-2}^{3} f(x)\,dx =

Math
I was trying to find the Integral of those functions but it's saying that my answer is incorrect

Math
consider the function f(x) = (x if x<1 and 1/x if x>or equal to 1 Evaluate the definite integral: int_{-2}^{3} f(x)\,dx =

CHEM
1.) What is the correct net cell reaction for the electrochemical cell diagramed below? Ni(s) ∣ Ni2+(aq) || Ag+(aq) ∣ Ag(s) a.) Ag+(aq) + Ni(s) ---> Ag(s) + Ni2+(aq) b.) Ag(s) + Ni2+(aq) ---> Ag+(aq) + Ni(s) c.) 2Ag+(aq) + Ni(s) ---> 2 Ag(s) + Ni2+(aq) d...

chemistry
how many moles of Kl are present in 500 ml of a 0.2 M solution?

Trig
Thank you Steve.

Trig
Does this result in no triangle, 1 or 2 triangles? If so, then solve. B= 88 degrees, b= 4 and a=23. I know that A= (sin 88)(23)/(4)= A=5.74 degrees C= 180-5.74-88= C=86.26 degrees c=(sin86.26)(4)/(sin 88)= c=3.99 My question is how do you know if it's 0,1, or 2 triangles. ...

Math
UPDATED, I FIGURED IT OUT.

Math
I also need help with Find the component form of v if absolute value of v=2 and the angle it makes with the x-axis is 30 degrees. I cannot find a book example. help me.

Math
Find the angle between the vectors u and v if u=<-4,3> and v=<-3,2>, and Round answer to two decimal places. I found that it is (12*sqrt13)/65, my point of confusion is how do I find the angle?

Math
The tank is 1/2 full of water. The. A spherical wrecking ball with radius of 2ft is dropped into the tank. How far will the water level rise once the sphere is completely submerged? I cant figure it out. I've been trying for two days now. And its due..

Liberal Arts 1
In a class of 50 students, 26 are Democrats, 13 are business majors, and 3 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.

8th grade English; Trouble with Television
WRONG! I TOOK IT AND THE ANSWERS ARE C,C,C,B,C! I GOT A 100%

Statistics
It is reported that 72% of working women use computers at work. Choose 5 working women at random. Find a. The probability that at least 1 doesn't use a computer at work b. The probability that all 5 use a computer in their jobs

Math
A survey carried out on 40 students about when they did their homework over the weekend F=(homework done on friday) S=(homework done on saturday/Sunday ) n(f)=20,n(s)=29 How many did both days ?

Physics
yes i used the atwood thing, but when i formulated the expression it came out to be a = g*delta mass/ total mass... does that make a difference?

Physics
I'm supposed to to calculate an experimental value for the acceleration of gravity from the slope of an acceleration vs. delta mass graph... also i'm supposed to find the percent error (to the normal acceleration of gravity of 9.8).. the slope is .442 i'm not sure ...

Math Help Please! ASAP!
Solve each inequality 1. y+5>7 y<2 y<12**** y>2 y>12 2. p+12>9 p>21 p>3 p>-21 p>-3**** Are my answers correct?

Algebra
Translate this phrase into an algebraic expression. 7 increased by twice Malik's savings. Use the variable m to represent Malik's savings.

math
staples = s chalk = c c + 2s = 10 3c + 2s = 18 -c-2s = -10 3c + 2s = 18 2c = 8 c = 4 s = 3 c + s 4 + 3 = 7 The total cost $7.

Math
Mr. and Mrs. Ogrodnik want to list their house at a price that will net them a minimum of $320,000 after a real estate commission of 5.5% of the selling price. Rounded to the nearest $100, what is the lowest offer they could accept on their home?

Math algebra
its 45m from the center of a circular field to the inside edge of the track surrounding it. the distance from the center of the field to the outside edge is 55m. find the circumference of each edge.

Social Studies
1. Which of the following crops required fields that could be flooded with water? A. squash B. rice*** C. corn D. silk

Math
Does this sound right: X = 2/3x * 3/5x * 3/4x * 5/6x + 15 X = 6/15 * 3/4 = 18/60 * 5/7 = 90/360 = 1/4 If 1/4 = $15 X would equal $60 original amount.

Math
Shawn goes to store and spends 1/3 of money on books. He spends 2/5 of the remaining money on games. He spends 1/4 of the remaining money on a DVD. He spends 1/6 of remaining money on a candy bar. He has $15 left. How much money did Shawn have originally?

Math
In a group of 22 boys, 13 play basketball and 15 play football. 3 of the boys play neither. how many play both ?

Microbiology
"people with takahara's disease don't produce catalase. Although often asymptomatic, this condition can lead to recurrent oral infections by peroxide-generating bacteria. How would you diagnose a catalase deficiency?" Would the answer be to put hydrogen ...

algebra
a cyclist rides her bike at the speed of 18 kilometers per hour what is this rate in meters per second how many meters will the cyclist travel in 2 seconds

Math
Mrs. Daniel pays $324 for a handbag and 3 pairs of shoes. The handbag cost half as much as the 3 pairs of shoes combined. Find the cost of the hand bag.

Foundations and Pre-Calculus Math 10
Find the radius of a cone with a height of 3m and a volume of 30m cubed. So far I have 90m cubed / 3m = pi(r^)3m/3m. Then I get stuck. Help! I'm really bad at math. ):

Math (Algebra 2)
A population of flies grows according to the function p(x) = 2(4)x, where x is measured in weeks. A local spider has set up shop and consumes flies according to the function s(x) = 2x + 5. What is the population of flies after two weeks with the introduced spider? 15 flies 23 ...

Math
What is the linear approximation of the square root of 8.9? Must be accurate to the fifth decimal place. I have tried everything it seems like yet cannot get the right answer.

Social Studies
Which of the following is NOT something that would describe Georgia's first legislature? A. Some members were elected, while other were appointed by the king. B. Men and Women served as members. C. It had an upper and lower house. D. Land ownership was necessary to be ...

Social Studies
Which of the following groups of new settlers in Georgia was pacifits? A. Salzburgers B. Highlands Scots C. Moravians D. Methodists I think C?

Social Studies
Which of the following is a positive event of the trustee period? A. defense against Spain B. profitable trade with the Indians C. building houses and public buildings D. All of the Above I think D?

Social Studies
Which of the following was the main focus of Georgians during the trustee period? A. buliding churches B. survival C. making roads D. building schools I'm not sure but I'm going to go with B or A?

Social Studies
What was one thing that the Salzburgers established that the other settlers did not? A. Hospital B. School System C. trading post D. tavern I think C??

algebra2/ trig
The figure at the right shows three circular pipes all with 12inch diameters the have been strapped together by a metal band.What is the lenght of the band? I don't even know where to start , please help?

algb
Z the Intergalactic Candy Store for $1.75. Jeejuu paid $1.88 and got 4 xylobars and 1 yackity. How much Dado pay for 1 xylobar and 2 yackities?imak bought 3 xylobars and 5 yackities from .....Write a system of equations. Then solve the equations using the methods: substitution...

Algebra
A building is 2ft from a 9ft fence that surrounds the property. A worker wants to wash a window in the building 13ft from the ground. he plans to place a ladder over the fence so it rests against the building. he decides he should place the ladder 8ft from the fence for ...

math
assembly line worker at robs bicycle factory at the sea to bicycle at a rate of 2 seats in 11 minutes. Write a proportion relating to the number of seats s to the number of minutes m at this rate how long will it take to add 16 seats? 19 seats?

math
For every girl taking classes at a Martin martial arts school there are 3 boys who are taking classes at the school. If there a 236 students taking the classes write and solve a proportion to predict the number of boys taking classes at the school?

Technology
I did but didn't find the answer but I kind of think its B? Is that right?

Technology
1. The purpose of font formatting within a search log is to indenify key words, important information, and A. supporting evidence B. Boolean Operators C. credible sources D. search paramenters I think D?

Social Studies
Which of the following reasons made Oglethorpe recruit the Highland Scots? A. their clan colors B. The were good soldiers and fighters C. The knew how to produce silk D. They brought stronger cattle with them Is it C?

Math
the length of a living room floor in a scale drawing is 8 inches the actual length is 20 feet what is the scale

math
The manager turns the restaurants two neon signs on at the same time both signs blink as theyaare turned on. One sign blinks every 9 seconds and one sign blinks every firfteen seconds. How many seconds will they both blink together again?

Social Studies Please Help Mrs. Sue
Which of the following reasons made Oglethorpe recruit the Highland Scots? A. their clan colors B. They were good soldiers and fighters C. They knew how to produce silk D. They brought stronger cattle with them I think D?? Not sure

Social Studies Help please Mrs. Sue
Umm Brianna??? She wasn't talking to you?

Social Studies Help please Mrs. Sue
Which of the following is Not something that the tree laws enacted by the trustees covered? A. rum and other spirits B. slavery C. food crops D. trade with the Indians I think A and B?? Confusing

Social Studies Help Please Mrs. Sue
Thanks :)

Social Studies Help Please Mrs. Sue
Which of the following actions of the trustees did the malcontents dislike? A. Women were not allowed to inherit property B. The largest land grants were limited to 500 acres C. Rum was banned D. All of the Above I think D?

Social Studies Help Please Mrs. Sue
Ok :)

Social Studies Help Please Mrs. Sue
What was the one product that the Salazburgers had some success with in Georgia that other settlers did not? A. Squash B. Rice C. corn D. Silk Is it A? I'm not sure

Social Studies
Is it D?

Social Studies
I think C or D?

Social Studies
Which of the following was a contribution of Tomochichi to the success of the Georgia colony? A. He kept peace between british and the creek Indians B. He had a cure for disease caused by the mosquitoes C. He kept most of the land that Oglethorpe wanted for the settlement D. ...

Social Studies
Thanks :)

Social Studies
Which of the following would describe John and Mary Musgrove? A. They owned a trading post close to the early Georgia settlement. B. The knew both the English and Indian Languages. C. They acted as interpreters for Oglethorpe and Tomochichi D. all of the above I think D.

Social Studies
Thanks Ms. Sue your always a big help :)

Social Studies
2. Which of the following would describe a hardship of early Georgia life? A. Disease from the alligators B. Cold and rainy weather C. clearing tree roots from the farm land D. bad relations with the creek indians I honestly don't know the answer at all but I'll go ...

Social Studies
Thanks again :)

Social Studies
1. Which of the following was important about the city of Savannah in the settlement of early Georgia? A. It was laid out in a beautiful and orderly manner B. It was hight bluff, which was good for defense C. It was on the water D. All of the above I think D?

Physical Science
please help me understand this question If measurements of a gas are 50L and 300 kilopascals and then the gas is measured a second time and found to be 75L, describe what had to happen to the pressure (if temperature remained constant). Include which law supports this ...

Social Studies
Thanks

Social Studies
Ok then would the answer be A or C? I'm confused on this one.

Social Studies
Which european country originally dominated what is today florida and southern georgia? A. Spain B. England C. France D. Portugal I think D?

Social Studies
Thanks

Social Studies
I think A?

Social Studies
From which of the following Native American periods has the least evidence been found in Georgia? A. Paelo-Indian B. Archaic C. Woodland D. Mississippian

Social Studies
Thanks :)

Social Studies
3. Which of the following are true about the system of mercantilism? A. It maintains a favorable balance of trade B. The colony produces materials that the mother country cannot produce C. The prosperity of the country as a whole is more important than the wealthy of ...

Social Studies
I know there so tricky and thanks for helping me.

Social Studies
Ok so what would my answer be? If the trustees prohibited Negro slavery then the answer wouldn't be C? So whats the answer?

Social Studies
2. Which of the following is NOT one of the regulations about land grants that the trustees put in place in Georgia? A. Deserving poor could farm fifty acres B. Men would serve in the Miltia if Necessary C. Farmers were allowed to own slaves D. Tools and food were provided to ...

Social Studies
So it would be C?

Social Studies
1. Which of the following is NOT a reason that Oglethorpe and the trustees wanted to start the colony of Georgia? A. to help the poor who could not pay their bills B. to help the englich economy C. to form large plantations D. to provide defense I think A is my answer correct?

5th grade math
267

Language Arts
So would it be c?

Language Arts
I'm not sure but I keep thinking its B.

Language Arts
3. Which statement best expresses a central theme of ''The Story Teller''? A. People with no children to care for are usually better at handling children. B. It is important to instruct children about right and wrong at all times. C. The best way for adults to ...

Language Arts
Thanks

Language Arts
C?

Language Arts
2. Which event propels the action in ''The Story-Teller''? A. A woman is traveling with three children. B. The aunt invites Cyril to look out the window at the animals and fields they are passing. C. The man disagrees with the aunt's story, and she invites ...

Language Arts
Thanks :)

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