Tuesday
July 29, 2014

Posts by Jenny


Total # Posts: 1,199

Calculus
What is the graph of the sequence An = (-1)^n?

Calculus
Find the sum of the convergent series. Sigma (lower n = 0; upper infinity) 8*(4/5)^n

Calculus
Identify the two series that are the same. a. Sigma (lower n = 4; upper infinity) n(3/4)^n b. Sigma (lower n = 0; upper infinity) (n+1)(3/4)^n c. Sigma (lower n = 1; upper infinity) n(3/4)^(n-1)

Calculus
Find the values of x for which the series converges. Sigma (lower index n = 0; upper index infinity) [(x+1)/4]^n

Calculus
Determine whether the sequence with the given nth term is monotonic. Find the boundedness of the sequence. Otherwise, indicate DNE. An = ne^(-n/2)

Calculus
Determine the convergence or divergence of the series. Indicate the test that was used and justify your answer. Sigma (lower index n = 1; upper index infinity) [(-1)^n*3^n]/(n*2^n)

Calculus
Test for convergence or divergence. Indicate the test that was used and justify your answer. Sigma (lower index n = 2; upper index infinity) [ln(n)]/n

Calculus
Use the Direct Comparison Test to determine the convergence or divergence of the series. Justify your answer and show all of your work. Sigma (lower index n = 1; upper index infinity) 4^n/(3^n-1)

Calculus
Test for convergence or divergence. Indicate the test that was used and justify your answer. Sigma (lower index n = 4; upper index infinity) 1/(3n^2-2n-15)

Calculus
Determine the following about the series. Indicate the test that was used and justify your answer. Sigma (lower index n = 1; upper index infinity) [sin((2n-1)pi/2)]/n A. The series diverges B. The series converges conditionally. C. The series converges absolutely. D. It cannot...

Calculus
Determine the convergence or divergence of the series. Find the limit. Indicate the test that was used and justify your answer by showing evidence why the test succeeds or fails. Sigma (lower index n = 1; upper index infinity) 12/[n(n+3)]

Calculus
A deposit of $1000 is made at the beginning of each month in an account at an annual interest rate of 3% compounded monthly. The balance in the account after n months is An = 1,000(401)(1.0025^n - 1). (a) Compute the first six terms of the sequence {An}. (b) Find the balance i...

maths
What is the vector equation of the line joining the points (5; 0; 1) and (7; 4; 7)?

maths
prove that if a is not equal to zero and if a * b = a * c and a ^ b = a ^ c then b = c [Hint: calculate a * (b-c) and a ^ (b-c) vectors mechanics

college chem
if the length of one side of a square is 12.0, what is the perimeter of the square?

Math
where did the 1.2 come from?

Math
The markup on a used car was at least 20% of its current wholesale price. If the car was sold for $5900, what was the maximum wholesale price? (Give your answer correct to the nearest dollar.)

Math
Write each rate as a fraction in lowest terms: 48 gallons in 14 minutes

Math
Write each rate as a fraction in lowest terms: 48 gallons in 14 minutes

Math
For a certain product, one case holds 8 boxes and each box holds 12 items, how many total cases are needed to hold 500 items?

math
The world's tallest building is the Burj Khalifa in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Ryan wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. He has decided to represent the Bur...

math
A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the reduction process?

algebra
Solve the equation. Check your solution. 164=x-59

consumer math
Lily Adams purchased a $1,000 bond at 70. The bond pays 4%. What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)?

consumer math
Lily Adams purchased a $1,000 bond at 70. The bond pays 4%. What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)?

consumer math
Joe McCain purchased 5 $1,000 bonds at 89. The bonds pay 6%. What was the cost of the bonds? $4,450 ? What was the total annual interest? What is the yield?

algebra
What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)?

algebra
Jane Investor purchased a $10,000 bond at 90. The annual interest is 5%.

math
The sides of a square with an area of 49 cm2 will be reduced by a scale factor of 5/8. Determine the area of the reduced square to the nearest square centimetre.

math
Jamia is deciding between two long-distance telephone plans: • Plan A charges $5 per month plus 6¢/min. • Plan B charges $20 per month plus 1¢/min. Jamia usually makes about 200 min of long distance calls each month. Which plan costs less? Show your calcula...

Math
3(4x+6)+7

Algebra
Kendra owns a restaurant. She decides to charge $1.50 for two eggs and one piece of toast and $0.90 for one egg and one piece of toast. How much money is she charging for each egg and each piece of toast?

MAtth
ITEM NUMBER THREE 1 Description of the item:Printer 2 Stated price on the website: 229.99 (do not round to whole dollars) 3 Website where the item was found:Staples I dont know how to do questions # 4 and 5 4 Price of item after a 10% increase with sales tax: 5 Final price:

ENGLISH 9 BIOGRAPHY
i think u should do jistin bieber because its more easier, if u do one direction then u have to write about 5 people. u can do one direction of that band.

Algebra
The number of bacteria in a stagment pond doubles every hour. A farmer sprays it every two hours and kils 3/4 of bacteria immediately. If there are 10,000 live bacteria left after the farmer sprays at noon, how many live bacteria are there at 11 p.m. that night?

My Math
thanks

My Math
am i correcect steve

My Math
i mean 1b 2c 3c 4a

My Math
I think the answers are 1 c 2a 3b 4a

My Math
ecide whether each equation has one solution, no solutions, or infinitely many solutions. 1. 2(x – 3) = 2x (1 point) one solution no solutions infinitely many solutions 2. 3(y – 3) = 2y – 9 + y (1 point) one solution no solutions infinitely many solutions 3. 10x...

math
f f + (-20) > -7 f = ?

political science- PHL
is it a comprehensive answer? Machiavelli (in terms of political philosophy) Machiavelli was an Italian philosopher. A famous book he wrote is ‘The Prince’ which still have impact to today’s politics. It is about the rise and fall of states and what the leader c...

political science- PHL
how Hobbes, Machiavelli and Rousseau are relevant? little guidance please

political science- PHL
hello can u help me please? write a few words about Machiavelli, Locke and how they are relevant today? John Locke is another philosopher who is considered as relevant today for some of his ideas he expressed. His writings were a great influence to the founders of United State...

algebra
A submarine is 700 meters below the surface of the ocean. it is ascending at a rate of 35 meters every minute. What does x represent and What y represent

psych
1.21 (1 pts.) William is acutely retarded and requires intense care. His IQ has been measured at approximately 15. What term would be used to classify William's level of retardation? A) mild B) moderate C) severe D) profound # 1.22 (1 pts.) Shannon has been diagnosed with...

psych
1.11 (1 pts.) While Pete was out playing touch football with his friends, he tripped, fell, and bumped his head on the ground. Immediately afterward, he was very disoriented and kept asking his friends what time it was. Pete may have experienced A) delirium. B) dementia. C) am...

Math
A merchant makes two raisin nut mixtures. Each box of mixture A contains 9 ounces of peanuts and 2 ounces of raisins, and sells for $2.80. Each box of mixture B contains 12 ounces of peanuts and 4 ounces of raisins, and sells for $4.00. The company has available 5,000 ounces o...

physics
a 10.0 cm cylindrical chamber has a 5.0cm diameter piston attached to one end. The piston is connected to an ideal spring with a spring constant of 10.0N/cm. Initially, the spring is not compressed but is latched in place so that it cannot move. When the cylinder is filled wit...

Chemistry
How much heat is given off when 12g of Al at 75 degrees Celsius is colled to 25 degrees Celsius?

Intro to Chemistry
How do you determine the mass of NACL needed to prepare 25.00 ml of a 1.585M NaCl Solution?

college finite math
Find the marginal average cost function: C(x)=10-e^-x

Science
I am studying waves and doing a project. Is the line of origin the same as a waves midpoint?

intermediate microeconomics
is my answer to my question right?

intermediate microeconomics
why is modelling useful, despite being a simplified version of reality? my answer: answer: an economic model attempts to describe every aspect of reality. a models power stems from the elimination of irrelevant detail which allows the economist to focus on the essential featur...

math of investment
I need a prayes that is related to the terms of mathemetics of investments. please! thank you!

maths
explain why are the following not groups: 1)the set of Z integers with operation subtraction 2)The set of Z integers with operation addition 3)The set of R* of all non zero real numbers with addition

maths
prove Zn addition is commutative?

Math
I can do the math but what I am having trouble with is What integer expresses the position

Math
Point A is 340 feet above sea level. This is 2/3 of the distance between point B and sea level. What integer expresses the position point B compared to sea level?

Math
since it is below the surface should it be -28 + -6 = -34?

math
write two equations that prove the associative property is not true for division

maths
which one is it steve

maths
binary operation m.n=m2+n is associative or commutative?

maths
x3+6x2+18x+13=0

maths
how do I draw them to prove it.

maths
Let ABC be a triangle in the plane. Find circles C0;C1; : : : ;C6 such that Cj has exactly j points in common with the boundary of ABC (this \boundary" consists of the line segments AB, BC, CA). Is it possible to nd a circle C7 with 7 points in common with the boundary of...

maths
prove that there are no integars p and q such that: (p/q)squared =2

maths
Let ABC be a triangle in the plane. Find circles C0;C1; : : : ;C6 such that Cj has exactly j points in common with the boundary of ABC (this \boundary" consists of the line segments AB, BC, CA). Is it possible to find a circle C7 with 7 points in common with the boundary ...

stats
the head circumferences of adult males have a bell-shaped distribution with the mean= 65cm and standard deviation =2cm. a. what is the head circumference such that only 2.5% of adult males have a smaller head circumference? b. what is the head circumference such that only 2.5%...

math
cody has 6 times as many bottle caps in his collection as Rebecca. cody has 36 bottle caps. write an equation to find the number of bottle caps rebecca has,c

math
write an.algebraic equation for autumn has,1 brother. this is 3 less than the number of brothers chase has,b

physics
daredevil jumps 10m wide. he drives a car up a 11 degree incline. what was minimum speed to clear the 10m? acceleration is 9.81

Chemistry
I did the fitrst part and got 46.7 but theresa second part of the question Small amounts of CoO are added to glass to give it a blue color. Calculate the mass percent composition of cobalt in this compound

Chemistry
Portland cement contains some SiO2. Calculate the mass percent composition of silicon in this compound.

math
how would you write an algebraic expression for tthe same number of birds,b, sitting on three different wires, then 9 birds fly off

English
Would you use a or an: A(n) Olympic Champion's signature.

Chemistry
Which cannot be broken down chemically or physically into a simpler substance between sugar, salt, seawater, and copper?

Chemistry
Which cannot be broken down chemically or physically into a simpler substance between sugar, salt, seawater, and copper?

math
THANCK YOU SO MUCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

math
The bottom of the ladder is 5 feet tall from the wall. the ladder is 13 feet long. about how high is the wall?

math
the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

math
the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

math
the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

math
the varsity football team gained 7 yards on one play and then lost 4 yards

trigonometry
is sin^(2)x the same as sin(x)^2?

science
How many ml of a 2% solution will 20 ml of a 10% solution make?

chemistry
Can someone help me to check my answer and the way I solve this problem is right or wrong? Determine the energy required to turn a Na metal atom into a gas phase ion (Na+ (g)). Ionization energy of Na(g) 499 kJ/mol Electron affinity of O(g)for2e- 603 kJ/mol Energy to vaporize ...

mat
In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and also give the answer. a)...

math
At first one third of the class were boys. Then another boy joined the class. Now three out of eight of the class are boys how many students are in the class now? (Hint:There are fewer than 40 students in the class.)

calculus
integrate (3dx/xln3x)

Accounting
Here is my question am I suppose to make journal entry. Cindy Lou makes $30,000 per year as an exempt employee. She worked 15 hours of overtime in the month of September. Payday for wages earned in the month of Septemberis October 7? Ignoring Federal and state income tax withh...

Geometry
For each of the past four years, Paulo has grown 2in. every year. He is now 16 years old and 5ft. 10in tall. He figures that when he is 22 years old he will be 6ft 10in. tll. What would you tell Pauo about his conjecture.

Chemistry
answer would be d

math
how many 7 digit telephone numbers can be made if every other digit is even

Math
Given These Equations x+y=9.0 .50x+.20y=3.90 Find the values of X and Y.

Chem TWO
Assuming 100% dissociation, calculate the freezing point and boiling point of 2.91 m K3PO4(aq).

chemistry
detail how to dilute a stock solution of nitric acid, 81 m HNO3, to prepare 675 ml of a 2.5 M solution

Physical Science
What are the different kinds of overlapping sciences?

spanish
Cuando mis hermanos y yo fuimos menores, siempre comíamos en aquel restaurante. Mis padres esperan que yo aprendiera mucho en la escuela. These 2 sentences are wrong. Please help

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