# Posts by Jesse

Total # Posts: 351

**Physics**

The motion of a particle connected to a spring is described by x=10cos(πt). At what time (in s) is the potential energy equal to the kinetic energy?

**world geography**

can anyone help me compile a list of facts about all the continients

**7th grade**

Hi I know this isn't on the subjects or anything but how do I improve my grades in geography class

**Math: Need Answer to study for a quizz. Help ASAP**

Estimate the area under the curve f(x)=x^2-4x+5 on [1,3]. Darw the graph and the midpoint rectangles using 8 partitions. Show how to calculate the estimated area by finding the sum of areas of the rectangles. Find the actual area under the curve on [1,3] using a definite ...

**Math**

Estimate the are under the curve f(x)=x^2-4x+5 on [1,3]. Darw the graph and the midpoint rectangles using 8 partitions. Show how to calculate the estimated area by finding the sum of areas of the rectangles. Find the actual area under the curve on [1,3] using a definite integral.

**Algebra-Please check**

yes, I forgot the symbol-thank you

**Algebra-Please check**

y= 6x is written as: Choices y = log(6)x x = log(6)y I chose y = log(6)x, correct?I did the inverse so x = 6^x isolate y so it becomes y = log(6)x

**Algebra-Please check my answer**

y= 6x is written as: Choices y = log(6)x x = log(6)y I chose y = log(6)x, correct?I did the inverse so x = 6^x isolate y so it becomes y = log(6)x

**Algebra-Reiny please look at this-Another question**

It was written as 4 and then the log(4)8 was raised so how do I do it-I'm really confused now The choices were 4 0 8 1

**Algebra-Another question**

Thank you

**Algebra-Another question**

We just started this today but how did you get 2log4 16 = 2 *2 = 4 Thank you

**Algebra-Another question**

Evaluate 4log(4)8 Possible answers are: 4 0 8 1 Where do I start-I don't have an example to follow? Please give me a direction do I evaluate log(4)8 first

**Algebra**

Thank you

**Algebra**

How would I write 1-2log(7)x as a single logarithm Choices: log(7) x^2/7 log(7) 7x^2 log(7) 7/x^2 log (7) x^2 Thank you

**Stout**

none

**calculus I**

a slice of pizza, in the form of a sector of a circle, is to have a perimeter of 24 inches. What should be the radius of the pan to make the slice of pizza largest?

**8th grade**

smithers think thet he can give the worker a special jucie to make them work faster. he makes two groups of 50. group A get the jucie gorup B did not get the jucie.group A staples 1587 paper group B staples 2113 papers. What is the control group, independent variable, ...

**grade 1 math**

its 8

**Dynamic decision making**

Discuss chaos in health care systems today. In addition, discuss the role of insurance and billing, HMOs, varying drug costs across borders, availability of doctors and nurses, and hospital management complexities. Be sure to support your analyses with excellent supporting ...

**dynamic Decision making**

Using the concepts that you learned from the online explanation of control theory, describe the operation of a Subway sandwich shop. Be sure to describe the system using feedback loops and a detailed narrative.

**Chemistry- college**

For part B: Heat of neutralization is -56.2

**physics**

vi=11.66 h=2.124

**PROB**

P(M|L)=.36 P(M|L^c)=.21 P(L)=.28 P(L^c)=.72 P(M|L)P(L)+P(M|L^c)P(L^c) .36*.28+.21*.72 .252 Baye's Rule

**physics**

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume that the ...

**physics**

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume that the ...

**physics**

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume that the ...

**physics**

A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 12.0 m/s when the hand is 2.40 m above the ground.

**math/2nd grade**

16 is greater then 24 .

**Chemistry**

how much kj of heat are required to vaporize 42.8 grams of c3 h10 o (deltaH vap=26.5 kj/mol)

**english**

Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. In this sentence i need to know what part of speech these words or phrases are: four, and seven, ago...

**Math**

Please help... What is the principle of powers? When solving a radical equation how do we use the principle of powers to eliminate radicals

**Algebra**

2. Use the Pythagorean Theorem to solve the following: A. A baseball diamond is a square of 90 feet on each side. How long is a throw from first base to third base? B. The bottom of a 25 foot plank is placed approximately 7 feet from the side of a barn. Approximately how far ...

**12th grade - Math**

P(x) = 3x^3 - 7x^2 - 4x + 2 P(1 + √ 3) =

**calculus**

Use the Upper Bound theorem to find an integral upper bound and the Lower Bound Theorem to find an integral lower bound of the zeros of the function. 3x^4 - x^3 - 8x^2 - 3x - 20. This is one of the problems from my summer review and I can't find anything on the Upper Bound...

**trig**

Plot the point and then find three representation of the point (3,2pi/3)

**High School Chemistry**

Determine the pH of solutions with the following ion concentrations: 1) {H+} = 1.0x10 to the negative 3 M

**college**

7) Which of the following is true? A. The product P in the marketing mix stands for only tangible merchandise. B. The product P in the marketing mix stands for only physical goods. C. The product P in the marketing mix stands for both physical goods and tangible D. The ...

**physics**

A 0.50-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 1.0 m/s. What is the centripetal force of the ball?

**math**

1. In this problem, we analyze the profit found for sales of decorative tiles. A demand equation (sometimes called a demand curve) shows how much money people would pay for a product depending on how much of that product is available on the open market. Often, the demand ...

**math**

a. Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find the equation of ...

**pre-calculus**

If (1)(2) + (2)(3) + ... n(n+1) = n(n+1)(n+2)/3 complete the inductive step of its proof: 1(2) + 2(3) + ... k(k+1) + (k+1)(k+2) I have no idea what to do.

**Pharmacy**

answer is d. auxiliary information

**algebra**

In 1990, the life expectancy of males in a certain country was 62.1 years,1996 it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990. E(t)= [ ]t+[] use the function to predict the life expectancy of males in 2006. E(16...

**algebra**

In 1990, the life expectancy of males in a certain country was 62.1 years, it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990. E(t)= [ ]t+[] use the function to predict the life expectancy of males in 2006. E(16)= [ ]

**math**

In 1990, the life expectancy of males in a certain country was 62.1 years, it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990. E(t)= [ ]t+[] use the function to predict the life expectancy of males in 2006. E(16)= [ ]

**math**

In 1990, the life expectancy of males in a certain country was 62.1 years, it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990. E(t)= [ ]t+[] use the function to predict the life expectancy of males in 2006. E(16)= [ ]

**college**

In 1990, the life expectancy of males in a certain country was 62.1 years, it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990.

**physics**

You are pushing a 55 N lawnmower across the the yard. Its handle makes a 55 degree angle with the ground. What force are you exerting on the handle?

**math**

You need to choose a long distance telephone service for your business. The two options available in your area are Call Me and Trans Talk. Call Me charges a $5.95 monthly service fee and $.08 per minute used. Trans Talk charges a $12.95 monthly service fee and $.05 per minute ...

**math**

Cleaning up around the kennel you picked up a total of 52 coins. Unfortunately, they were only pennies and nickels. The value of the coins was $1.20. How many pennies and how many nickels did you pick up? Solve using Elimination Method.

**Physics**

alrite love you man.

**Physics**

You are working as a summer intern for the Illinois Department of Natural Resources (DNR) and are assigned to some initial work on water resources project. The department will be overseeing the construction of a dam to create a large fresh water lake that will be approximately...

**Physics**

You are working as a summer intern for the Illinois Department of Natural Resources (DNR) and are assigned to some initial work on water resources project. The department will be overseeing the construction of a dam to create a large fresh water lake that will be approximately...

**Physics**

You are working as a summer intern for the Illinois Department of Natural Resources (DNR) and are assigned to some initial work on water resources project. The department will be overseeing the construction of a dam to create a large fresh water lake that will be approximately...

**math**

Do you mean how many single shakes could she make with 3 cups of syrup, then how many double shakes could she make, and how many triples? Or, do you need to mix and match the shake sizes?

**math**

in math, the word of means times so you would multiply 1/3 x 9 & 2/5 x 25. To set these problems up, you would change the whole numbers (9 & 25) into fractions, so you would have 1/3 x 9/1 for the first one, and 2/5 x 25/1 for the second one. When you line them up on your ...

**math 4th grade**

for 3/7, it would be the same as saying 3 divided by 7 You would get the answers that Ms. Sue came up with if you did that for each fraction. Then, if you thought of each of those answers as money, it should be easy to put them in order.

**math 4th grade**

Do you know how to change a fraction into a decimal without using the calculator?

**math 4th grade**

you can change all the fractions so that they have common denominators (bottom numbers)then compare the numerators (top numbers). Considering you are in 4th grade, I am wondering if the 2nd fraction (3/50) is supposed to be 3/5?

**algebra**

if you distribute the 6 it would look like this: (6 x 30) + (6 x 7) 6 x 30 = 180 6 x 7 = 42 When you add 180 & 42, you get 222

**Algebra - 9th grade**

please solve for either x or y: x/2 + y/4 = 7

**Math**

If you look at these decimals as money (coins) it will probably be easier - you will have to change the 8/10 into 0.80 first I would put that first & the 0.888 last also, you have 0.81 2x in your answer 8/10, 0.81, 0.8181, 0.888

**AS Maths**

If you start at £18000, and you are given a 6% raise each year, how many years must pass before your salary is at least £180000?

**chemistry**

how did u get that

**economics**

How has globalization benefited farmers in lesser developed regions? I can only find evidence that it hurt them. This is for a debate.

**chemistry**

Calculate the final temperature of 290mL of water initially at 31∘C upon absorption of 20kJ of heat.

**Accounting**

Question #1 (a) I am working on the adjusting balance sheet. I am close to where I need to be in my adjustments and wondering if I am missing a step to figuring a few things out. If money is earned but not unpaid or recorded for salaries, and the next payday is after the ...

**climate**

if climate gets warmer what will happen to growing season of crops? what effect could that change have on food supplies?

**math**

$102.08

**physics**

Consider the limit on increasing the gravitational force by bringing the masses closer together. The two spheres of osmium cannot have their centers closer than the sum of their radii, and if the radii are made smaller, the masses decrease. To what power of the radius r is the...

**physics**

I don't know what that means. Can you explain?

**physics**

The distance from the center of the earth to a point where the acceleration due to gravity is g/16 is none of the these. 4RE. 3RE. 16RE. 1/4RE.

**gov/pol/diction**

thank you guys!

**gov/pol/diction**

filibustering is that a word?

**word/diction**

did i use ruminate correctly? ...which makes me ruminate if we are also....\ i was going for a word that was similar to wonder

**grammar**

writeacher do i have to write two that can i just write one before the not only?

**grammar**

is this sentence gram. correct? For example, the genocide in Darfur shows not only history repeats itself when unacknowledged, but also progress is at a standstill if we refuse to resolve our conflicts. should i have a THAT before the not only and after the shows?

**history**

NICE thnk you

**history**

i want to include that as an example in my college essay but i don't remember it just like which civilization was known for what advnaced thing

**history**

omg i cant seem to remember im in high school but in middle school we learned about the aztecs and mayans and incas who were the ones that had fascinating city planning like plumbing etc etc.

**grammar**

is it angry with her or angry at her

**physics**

For this problem use the Uniform circular motion mode of the simulation. (a) Given the limits on the sliders in the simulation, what is the maximum possible speed that can be achieved in "Uniform circular motion" mode? .25 m/s For the remaining parts of this question...

**english**

An opinion sentence that uses the word empty?

**Chemistry**

Ok you have to set it up as a dimensional analysis problem. So it will be (144 tees)(412.50g)/(118.80g) and the answer is 500.

**Probability**

5/12

**Chemistry**

We know that zinc,copper can be used to coat Iron. However Iron is not used to coat zinc. Why is it so?

**Math**

121 / what = 11

**math**

this problem is killing me

**essay writing**

A is not the answer. If it was it wouldn't have been marked wrong on my test

**Political Science**

Any one willing to help with a paper i will offer $

**per.finance**

What might be the savings goal for a person who buys a five-year CD paying 4.67 percent instead of an 18-month savings certificate paying 3.29 percent? i just do not get this

**math**

the sume of the consectutive numbers is 600. What is the least of these 3 numbers.

**biology**

A human cell has 10 ^14 cells and each cell has about 6.4 x 10 ^9 nucleotide pairs of DNA. What is the length, in cm, of double helix that can be formed from the total amount of DNA in a human individual?

**Accounting**

a. UR b. PE c. AE d. AR e. PE

**Algebra**

How would you solve this matrices using the Gauss-jordan elimination method? {[-5, 8, 10]} {[5, 8, 4]} {[10, 8, 5]} {[5, 4, 8]}

**Algebra II**

How would you set this problem up..I know to use A=Pe^rt Larry has $2600 to invest and needs $3000 in 12 years. What annual rate of return wll he need to get in order to accomplish his goal, if interest is compounded continuously?

**Trig**

sin(70°)cos(10°) − cos(70°)sin(10°)

**ethics**

Voting for Obama is no better.He has promised change. What Change? What has he done for you lately?By the way, Bush is not responsible for America being in the shape it is.Maybe you need to check out your history a little better.

**Math**

#3) - this one needs common demoninators -2/7-2 3/5+1 2/7-(-2/5)= -2/7 will become -10/35 2 3/5 will become 2 21/35 1 2/7 will become 1 10/35 -10/35 - 2 21/35 = -2 31/35 -2 31/35 + 1 10/35 is really subtracting and keeping the sign from the higher number (negative here) = -1 ...

**Math**

just in case you're still stuck on the 2nd & 3rd ones - one more thing to remember: when you add/subtract fractions, they need common denominators #2) (-3)-2.2-9-(-12)= (-3) - 2.2 = -5.2 - 9 - (-12) -5.2 -9 = -14.2 -(-12) *remember the -(-12) is really adding -14.2 + 12...