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Posts by nick

Total # Posts: 1,306

Math
A Company makes and sells sailboats. The company's cost function in thousands of dollars is C(x)=2x+20, and the revenue function in thousands of dollars is R(x) =4x, where x is the number of sailboats. Evaluate and interpret C(5).

Physics
How do I make calculations for a toy hovercraft?

Physics
How do I make calculations for a toy hovercraft?

math 6th grade
write the rule anf find the missing input. input out put 0 5 3 14 x 32

math
find the terms and leave the coefficients as factorials. Term with b^8 in (a + b^2)^10

math
Simplify the following expression. (n-1)!/n!

physics
5.16*10^8 for Mastering Physics

English Helppppp
a persuasive argument that will promt your college to offer a summer block of cources that deal exclusively with current trends in the career field in which you are pursuing a degree, or in a field in which you have a keen interest. ok i plan to write about fashion designing ...

chemistry
saADFFF

chemistry
1232

english
gfhcgc

math
Area A sequence of smaller squares is formed by connecting the midpoints of the sides of a larger square. (a) If the area of the largest square is 1 square unit, determine the first five terms of a sequence that describes the area of each successive square. (b) Use a formula ...

Essay (Please proofread) I appre
i appreciate all the help, these were quality suggestions that will help my paper sound better. Thanks for all your help!

Essay (Please proofread) I appre
New Orleans Emergency Operations Plan FY12 According to, The Federal Response to Hurricane Katrina: Lessons Learned, Hurricane Katrina prompted an extraordinary national response that included all levels of government—Federal, state, and local—the private sector, ...

english
can i submit essays here to be reviewed? if so where do i do that at? Thanks

Math: Derivatives
How did you get the answer? I don't quite understand. Thanks

Math: Derivatives
Use the shortcut rules to mentally calculate the derivative of the given function f(x) = −x + (3/x) + 1 After deriving it, I got -1+(0/1)+0= -1 But this answer is wrong, and I don't know why. Thank You

Calc 1 (Optomization)
A rectangular storage container with an open top is to have a volume of k cubic meters. The length of its base is twice its width. The material for the base costs $6 per square meters and the material for the sides costs $10 per square meter. Find the dimensions of the ...

math
There are 15 students in Marcelo chess club. There are 2 times as many boys as girls . Howm many girls are in the club?

AP Chem
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.054 moles of sulfuric acid is mixed with water to make 667 milliliter of solution,what is the molarity of H+? Answer in units of M doing mole/liter doesn't work

Math
Find the equation of the tangent to the graph at the indicated point. f(x) = x^2 − 1; a = 3 and f(x) = x^2 − 8x; a = −9 whats the difference between 1 and 8x. What formula do I use and how should i solve both of these problems? Thank you

physics
A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is lowered in the tube, resonance is heard when the water level has dropped 18 cm, and again after 54 cm of distance exists from the water to the top of ...

math
would you divide 65 by 3 to find the lenght

math
a bicycle wheel has a circumfrence of 65in what can i do to find the length of one spoke

Physics
Tom the train and Dan are involved in an elastic collision. A 2.5 kg Tom is, at rest but is approached head-on by a 5.0 kg Dan moving at 0.60 m/s. The force-separation graph for the ensuing collision is given: the picture of the graph is found here: i54.tinypic (dot) com/...

statistics
Show the work for 750 x 23%, how do you do it?

physics
The system shown below consists of a block of mass M = 4.4 kg resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging block of mass m = 1.9 kg. The pulley is a uniform ...

Computer Science (java1)
can someone please tell me the equation for compshift? double Angle = 45.0; double AngleRadians; double ComptonShift ; //calculations AngleRadians = Math.toRadians(Angle); ComptonShift = Helpppp here

chemistry
an ammonia molecule, NH3 travels at about 658 m/s at room temperature. How fast would a molecule of hydrogen sulfide, H2S travel under the same conditions?

Math
6ab + 4bc - 3bc + bc

English 11
Roscoe is correct

Math: Limits
Estimate the limit numerically. lim as x→(approaches to)5 6e^(x − 5) How do I solve it? I don't plug in the numbers do I? Then how do I do this as well? What should I do to solve lim x→(approaches to)− infinity 6xe^(7x) Do I disregard the other ...

english 11
Connexus answers d,b,d,c,d

critical thinking
Identify mission-related environmental risks?

physics
You throw a 134 g ball straight up to a height of 43.0 m. (a) Assume that the displacement of your hand is 0.70 m as you throw the ball straight up. How long is the ball is in your hand? (b) Calculate the average force exerted by your hand while you are throwing it.

physics
A physics student playing with an air hockey table (a frictionless surface) finds that if she gives the puck a velocity of 5.30 m/s along the length (2.80 m) of the table at one end, by the time it has reached the other end the puck has drifted 5.19 cm to the right but still ...

math
a flagpole cast a shadow that is 26ft long. At the same time, a yardstick cast a shadow that is 4ft long. How tall is the flagpole

Math
Real rate = 11-3.8 = 7.2% 1,500,000/(1+0.072)^40= 92960.80 To check this is correct you can do: 92960.80*(1+0.072)^40= 1,500,000

Pre-Cal
If the interest on a long-term Canadian(3/8%) investment is compounded continuously, how long will it take the value of an investment to triple? (Give the answer correct to two decimal places.) Got 19 years--its wrong, can't find reason. Thanks.

college
Solve the problem. Round to the nearest cent. Joan wants to have $250,000 when she retires in 27 years. How much should she invest annually in her annuity to do this if the interest is 7% compounded annually? A) $1861.10 B) $3356.43 C) $2672.15 D) $937.86

physics
you get this one yet? can't figure it out either..

Physics
If a bicyclist of mass 68.0 kg (including the bicycle) can coast down a 7.00° hill at a steady speed of 6.20 km/h because of air resistance, how much force must be applied to climb the hill at the same speed (and the same air resistance)?

physics
2nd part...(ma)(v0 + 1/2at) a = 9.8 Havent figured out first part either

physics
A 61.7 kg person jumps from rest off a 2.98 m-high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.19 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This ...

algebra
never mind i think i figured it out.I got the answer 17.and right now, i think it is correct so adios!!!!

algebra
please

algebra
i really need help with this!!

algebra
anybody there????

algebra
yoo hoo!!!!!!?????

algebra
what number is the simplified expression equal to, 13 - 7 + (2 x 5 - 1) divided by 3 + 7. can someone help me with this???

algebra
thanks dude.so the answer or solution would be 16???

algebra
what number is equivalent to this expression,(4 x 9 - 13) - 15 divided by 5 x 2 - 1??? can someone help me with this.

Algebra
Gymnast Clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. Its cost (in dollars) for a run of x pairs of cleats is C(x) = 3000 + 9x + 0.1x2 (0 ≤ x ≤ 500). Gymnast Clothing sells the cleats at $130 per pair. Find the ...

Short Stories
1.In "Paul's Case," why does Paul go to work early? A. He didn't want to get caught skipping school. B. He liked looking at the pictures in the art gallery. C. He wanted to wrestle with the other boys. D. He didn't want to lose his job. (B) ? 2. Which one...

english
Can't*

english
I've gotten my books, And have done all my work, this is my last section and I don't know these stories, I can seem to find them in any of my books.

english
Well as you can see its not all 1-20 the ones I left out were the ones I know, I'm having some trouble with these..

english
1.In "Paul's Case," why does Paul go to work early? A. He didn't want to get caught skipping school. B. He liked looking at the pictures in the art gallery. C. He wanted to wrestle with the other boys. D. He didn't want to lose his job. 2. Which one of ...

us history
The Socialist party a.) stood at its pinnacle in the early 1900's. b.) elected 33 candidates as mayor in the early 1900's. c.) elected two socialists to Congress in the early 1900's. d.) All of the above. I say it is d.) all of the above, am I right?

chemistry/help
1) Oxygen and boron are in the same period . When they form a compound----- is written first.Phosphorus and arsenic are the same group. When they form a compound------is written first. A) oxygen/phosphorus B)oxygen/arsenic C)boron/phosphorus D)boron/arsenic answer is D 2) The...

chemistry/check please
1) Oxygen and boron are in the same period . When they form a compound----- is written first.Phosphorus and arsenic are the same group. When they form a compound------is written first. A) oxygen/phosphorus B)oxygen/arsenic C)boron/phosphorus D)boron/arsenic answer is D 2) The...

Chemistry
What would happen if MnO2 was mixed with KBrO3 ND 9 M sulfuric acid?

math
If every 6th customer gets a coupon for free fruit snacks and every 9th customer gets a coupon for free fruit juice which customer will be the first to get both free fruit and free juice?

physics
Can't figure this one out myself either...gotten any further into it? Have tried multiple ways with no success

Physics
.417s

math
Suppose a bag of marbles has 4 green, 2 red, 5 yellow, 1 brown, and 7 blue marbles. What is the probability of picking a green marble, replacing it, and then picking a brown marble?

world history
1)Who became Da vinci,s rival in Florence? -Michelangelo 2)What was the mistake Leornardo made with his work the last Supper? -leornardo chose to sit Judas in with the rest of the disciples 3)What was the name Da Vinci gave to his appertentice? Can you check my answer? And ...

Probability
4,915 people were surveyed about their recent purchases. 1,027 of those people surveyed bought a lawn mower within the last year, 918 bought a snow blower within the last year, and 3,387 didn’t buy either of the two. a) How many people bought a lawn mower and a snow ...

Algebra II
1. A sound has an intensity of 5.92 „e 1025W/m2.What is the loudness of the sound in decibels? Use . 2. Suppose you decrease the intensity of a sound by 45%. By how many decibels would the loudness be decreased?

social studies
mummy-shaped figures that worked in the after life,s fields for the mummy

physics
A +30 µC charge is placed 44 cm from an identical +30 µC charge. How much work would be required to move a +0.69 µC test charge from a point midway between them to a point 14 cm closer to either of the charges?

math
find the average of 26, 42, 57, 49, and 16.

Earth Science
True or false? ------------------------- Although there is scientific evidence and many scientific theories about the origin of the universe, how it all happened remains a question. Which statement is true? ------------------------- The perfect cosmological principle is the ...

spanish/check please
Describe a typical day in your life from beginning to end eight different( (reflexive verbs).give time you do each of those activities as well. 1-Yo me levanto a las seis de la manana. 2-Entonces me lavo la cara a las seis y cuarto. 3-Depues de que me pongo la ropa a las seis...

auditing
I have been asked "Determining whether amounts are in conformity with GAAP addresses the proper measurements of assets, liabilities, revenues, and expenses which includes all of the following except: a. the reasonableness of management's accounting principles. b. ...

Englidh 7 - Journal Entry (plz read)
This is great!! :)

Math
I'm not 100 percent sure but I believe it goes like this . The coach could have runners A B C run. He could also have runners A B D run it . Yet he could have runners C A D run . He also may have Runners B D C run.

MATH
THANKS FOR THE ANSWER BUT I DON'T KNOW HOW TO WRITE THE PROBLEM TO ARRIVE TO THAT ANSWER

Spanish 1
ESTA' REMEMBER THE ACCENT OVER THE "A"

Spanish 1
DONDE ESTA LA SILLA WHERE IS THE CHAIR?

MATH
SANTA WAS NUMBERING THE PAGES OF HIS ORDER BOOK. HE WROTE 690 DIGITS. HOW MANY PAGES WERE IN HIS ORDER BOOK?

auditing
I am right to believe that the rights and obligation assertion applies only to the balance sheet items only? Because my homework assignment asks," The rights and obligations assertion applies to: a. current liability items only. b. revenue and expense items only. c. both ...

linear equations
Write the equation of a line in slope-intercept form that is perpendicular to the line and passes through the point (-9, 4).

trig
Sin would be 1/2 +360n?

trig
Find the exact values of the inverse function arcsin 1/2

Economics
what is an economist view on this statement "It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest."

Auditing
I need help with this. I was presented with this question: Analytical procedures show that inventory turnover decreased from 31–34 days to 27 days, and gross margins declined to the lowest level in five years. What might this indicate about the risk of misstatement with ...

MATH
HARRIET BOUGHT CHRISTMAS CARDS. SHE BOUGHT 1 BOX WITH 15 CARDS FOR $18.00, 1 BOX WITH 12 CARDS FOR 20.00, AND 2 BOXES WITH 10 CARDS FOR $8.00 EACH. WHAT WAS THE AVERAGE PRICE SHE PAID PER CARD?

interm. algebra
3e^-5x=48 solve

Math
Sam and Nora leave their business office at the same time. Sam drives north at 53 km/h, Nora drives south at 47 km/h. How long until they are 50 km apart?

government
Why does the electoral college not allow citizens living in U.S. territories to vote, as it is the only place in the universe (astronauts have voted) that U.S. citizens can't vote.

math
if 16 tablespoons = 1 cup how many tablespoons 3/4 of a cup

USI
Write limits of integration for the integral \int_W f(x,y,z)\,dV, where W is the quarter cylinder shown, if the length of the cylinder is 1 and its radius is 1.

algebra
add (5y^2-7y)+(3y-y^2)

geometry
|2x+5| -1 < 6

math
How can estimating help you add two-digit numbers?

physics
A 220-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 525 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the coefficient of static ...

Physics
A rocket of mass 4.45E+5 kg is in flight. Its thrust is directed at an angle of 51.1° above the horizontal and has a magnitude of 7.64E+6 N. Calculate the magnitude (enter first) and direction of the rocket's acceleration. Give the direction as an angle above the ...

Physics
idk

investing
Why is there a gain or loss in a pension expense calculation? I am more confused about this every time I read about this topic. Can somebody explain this to me? I have researched and read and still do not understand why.

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