Thursday

September 29, 2016
Total # Posts: 1,604

**Math**

3,500

*December 10, 2013*

**Statistics**

Suppose that you visit Shire, and find that 28% of Hobbits believe in the existence of Elves, 16% believe in the existence of Ents, and 9% believe in the existence of both Elves and Ents. You come across a Hobbit: i) What is the probability that he will believe in Ents given ...

*December 8, 2013*

**Probability**

Suppose that you visit Shire, and find that 28% of Hobbits believe in the existence of Elves, 16% believe in the existence of Ents, and 9% believe in the existence of both Elves and Ents. You come across a Hobbit: i) What is the probability that he will believe in Ents given ...

*December 7, 2013*

**Astronomy**

you're taking the coursera course aren't you? It's supposed to be your own work I had a bit of trouble working this out but it goes as follows aldebaran is RA 4 36 regulus is RA 10 08 all you need to do is find the difference (in numbers)between the two and there ...

*December 5, 2013*

**English**

Can you please help me figure out a deeper meaning for "society will judge people and it will affect their future" for ex: "sometimes the most valuable lessons are learned by breaking the rules" Childhood is the time to break rules and learn valuable ...

*December 2, 2013*

**English**

Also, what can I substitute for affect? It will affect his future.

*December 2, 2013*

**English**

was or were? Between the moment when Crooks and Lennie (was/were) in his room..

*December 2, 2013*

**English**

Is there another I can substitute in for stupid? For ex Crooks thought Lennie's dream was stupid.

*December 2, 2013*

**Science**

ya i need help with this to is it c?

*November 26, 2013*

**science**

A geneticist is studying a pedigree that shows the family history of a recessive genetic disease. Which of the following pedigrees shows an impossible relationship? (

*November 23, 2013*

**science**

What are the answers for the test?

*November 22, 2013*

**Science help!!!**

Describe the evidence that supported the hypothesis of Continental Drift.

*November 12, 2013*

**Physis**

Difference between position and distance

*October 28, 2013*

**Geography and English**

What are the key physical features of the Californian Coast

*October 25, 2013*

**meterology**

100%

*October 23, 2013*

**chem-- delta H **

In your search for fuel to use after the reserves of gasoline dry up, you decided to analyze different compounds (2 hydrocarbons & an alcohol) by combustion. You independently combust methane (CH4), ethane (CH3CH3), and ethanol (CH3CH2OH) at 298 K and 1 atm. What is teh delta ...

*October 23, 2013*

**History/English**

Okay thank you! One last question, what does it mean by "moral" like how should I write about that?

*October 23, 2013*

**History/English**

Okay I'm so stuck on how to write this essay, I just need some ideas.

*October 23, 2013*

**History/English**

Please help me understand this Explain the transformation of jurgis character throughout the jungle. How did his morals, actions and attitude change as he experienced events during his life?

*October 23, 2013*

**English**

I have a few more questions about my English paper that I hope someone could check? 1. During our break, Stephanie's mother brought in drinks and cookies. (break, mother, drinks, cookies) 2. In Bert's report, he wrote about zoo animals. (report, animals) 3. A ...

*October 21, 2013*

**English**

Oops, yeah I did thank you for checking them.

*October 21, 2013*

**English**

I was hoping someone could check my answers? We are supposed to underline the nouns in the following sentences. 1. Remove the pencils, papers, and rulers from your desk.(pencils, papers, rulers, desk) 2. Our total bill for the delightful lunch was twelve dollars. (bill, lunch...

*October 21, 2013*

**physics**

5.23mh

*October 1, 2013*

**physics**

A large boulder is ejected vertically upward from a volcano with an initial speed of 39.0m/s . Air resistance may be ignored. (a) At what time after being ejected is the boulder moving at a speed 19.0m/s upward? (b) At what time is it moving at a speed 19.0m/s downward?

*September 29, 2013*

**physics**

A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver sees a small gap between a van and an 18-wheel truck and accelerates with constant acceleration along the ramp and onto the freeway. The car starts from rest, moves in a straight line, ...

*September 29, 2013*

**English**

I am writing a personal narrative and we have to include significance like what we learned from that memory. My memory is about me getting stung by a bee in elementary school but I can't think of any significance. Help please? Thanks!

*September 26, 2013*

**7th Grade**

HI, I'm from 2016. Now a days measuring liquid.

*September 16, 2013*

**English**

River compared to life as a metaphor?

*September 8, 2013*

**English**

I'm trying to write an extended metaphor about myself but I'm stuck. So far I have I am a seed small..

*September 5, 2013*

**Instructions**

What does it mean to explain the passage's significance and literary device?

*August 26, 2013*

**English**

Here is the whole passage. It's from the book Brave New Wprld by Aldous Huxley. “He looked at her in silence, his face unresponsive and very grave—looked at her intently. After a few seconds Lenina’s eyes flinched away; she uttered a nervous little laugh, ...

*August 18, 2013*

**English**

Is this personification? “The silence prolonged itself”

*August 18, 2013*

**math**

As you follow your favorite NBA basketball team’s statistics, you notice the point guard is successfully shooting 85% from the free-throw line for this season. Assuming he is fouled near the end of a game and shoots with that same success rate, what is the probability ...

*July 31, 2013*

**math**

To win the jackpot in a lottery in Iowa, participants have to select 6 unique winning numbers out of the numbers 1 through 49 in which the order does not matter. What is the probability of winning the jackpot? State your answer as both a fraction and decimal to at least 10 ...

*July 31, 2013*

**math!**

Imagine that you are doing research for a term paper in your English class and you have chosen the topic of “expected winnings of a lottery.” You find the following information for your state’s lottery: Prize Probability Jackpot 1 in 60,000,000 $12,000 1 in 100,...

*July 31, 2013*

**math!**

Suppose that to land on Free Parking in the game of Monopoly, you will need to roll a 3, and to land on Chance you will need to roll a 7. What is the probability that on your roll of two fair, six-sided dice that you will land on either Free Parking or Chance?

*July 31, 2013*

**Math**

Determine the y-coordinate of the local minimum on the graph of the function f(x) = x5 - 6x2 + x + 4.

*July 23, 2013*

**science**

The radius of the Earth is approximately 3,960 miles. Find the approximate surface-area-to-volume ratio of the Earth. A. 0.00025 B. 0.00076 C. 1,320 D. 11,880

*July 10, 2013*

**Calculus**

How would I use the chain rule here for x^2+y^2=z^2 but still have my answer in equation form?

*July 3, 2013*

**Calculus**

Find dy/dx by implicit differentiation: cos(x−y)=−4xe^x

*June 25, 2013*

**Calculus**

Find dy/dx by implicit differentiation for the following 2x^2y+3y=-1

*June 25, 2013*

**Calculus please help??**

The motion of a spring that is subject to dampening (such as a car's shock absorber)is often modeled by the product of an exponential function and a sine or cosine function. Suppose the equation of motion for a point on such a spring is s(t)=3∗e−2tsin(3ðt) ...

*June 24, 2013*

**math **

A small community college is hoping to raise enough funds to put together an endowment in which the scholarships will be paid for by only the interest earned from the endowment. Assuming they can earn an average of 7.50% for the APR and that only the interest would be spent ...

*June 8, 2013*

**math**

As you and your spouse are discussing your monthly budget at the dinner table one night, you are both curious as to how much of your $325 car payment is going to principal and how much to interest. Knowing that you are paying an APR of 3.75% to the bank and that you still owe...

*June 8, 2013*

**math!**

3. Suppose that Jill, at age 24, decides to invest $200 monthly into a portfolio that earns 7% compounded monthly and does this until she turns 34. At age 34 she stops contributing to her portfolio, and just lets it gain the same interest (7% compounded monthly) until she ...

*June 8, 2013*

**Citing**

I found it, if anyone else ever has this question it is Ibid.

*May 31, 2013*

**Citing**

Thank you.

*May 31, 2013*

**Citing **

In Chicago, when you are citing two things from the same source how do you cite it?

*May 31, 2013*

**English!**

The directions says "At least 10 supporting details go beyond Main Events" does that mean at least 10 facts altogether in the essay or 10 supporting details in each paragraph?

*May 29, 2013*

**math**

A search and rescue plane flying at an altitude of 1000 feet spots a ship in the ocean with an angle of depression of 7 degrees. The pilot follows his line of site and flies directly toward the boat for 0.7 miles. At this point his altitude is _____ feet. Use 1 mile = 5280 ...

*May 25, 2013*

**math**

A carpenter is adding a sun room to the back of a house. If the width of the room is 15 feet, the distance from the house to either obtuse corner of the room is 13 feet, and the distance from the house to the point of the room is 18 feet, then angle = _____degrees. Round to ...

*May 25, 2013*

**math**

A 45 foot long driveway goes uphill from the street to the garage of a house with a 5 degree angle of elevation. The garage must be _____ inches higher than the street. Round to the nearest whole number. (Watch the units!)

*May 25, 2013*

**math**

okay thanks!

*May 25, 2013*

**math **

A sector in a circle of radius 8.1 m has an area of 53.5 m^2. The central angle in a sector must be _____o. Round to one decimal place.

*May 25, 2013*

**math**

That makes sense. Thank you!

*May 25, 2013*

**math**

41 degrees, 20 minutes, 26 seconds - 23 degress, 39 minutes, 56 seconds = ?degrees, ?minutes, ?seconds

*May 25, 2013*

**math**

Okay I got it. Thank you!

*May 25, 2013*

**math**

If a room is 13 feet wide and 18 feet long, how many feet is it from one corner to the opposite corner? Round to one decimal place.

*May 25, 2013*

**math**

Thank you!

*May 25, 2013*

**math**

If an equilateral triangle has an altitude of 4.12 cm, how many cm long is one of its sides?

*May 25, 2013*

**math**

thanks!

*May 25, 2013*

**math**

thanks

*May 25, 2013*

**math**

I got circumference = 43.96. How would I find how many inches it travels from 1 to 4?

*May 25, 2013*

**math**

Inches, rounded to 2 decimal places.

*May 25, 2013*

**math**

It does not say.

*May 25, 2013*

**math **

If the hour hand of a clock is 7 inches long, how many inches does the tip travel between 1:00 PM and 4:00 PM?

*May 25, 2013*

**math**

Suppose you start saving today for a $30,000 down payment that you plan to make on a house in 8 years. Assume that you make no deposits into the account after the initial deposit. For the account described below, how much would you have to deposit now to reach you $30,000 goal...

*May 16, 2013*

**math**

You want to have $85,000 college fund in 15 years. HOw much will you have to deposit now under the scenario below. Assume that you make no deposits into the account after the initial deposit An APR of 4% compounded daily. You should invest?

*May 16, 2013*

**math**

you invest $4000 in an account that pays simple interest of 6% for 30 years. calculate the amount of money you'll have at the end of the indicated time period.

*May 16, 2013*

**math**

Assume you want to accumulate $125,000 for a long-range goal in 40 years. You have two choices. Plan A is an account with annual compounding and an APR of 5%. Plan B is an account with continuous compounding and an APR of 4.5%. How much of an investment does each plan require ...

*May 14, 2013*

**math**

You deposit $1200 in an account that pays an APR of 7% compounded monthly. How long will it take for your balance to reach $150,000?

*May 14, 2013*

**Economics **

I am having problems answering the question below can you please help? With probability p, you will catch a disease that reduces your income from y, its level when you are healthy, to y-k, where k > 0. A vaccine is available, at cost c, that reduces the probability of your ...

*May 14, 2013*

**math**

Suppose that you learn, prior to your trip to British Columbia, that gasoline will cost $1.50 (in Canadian dollars) for every liter you purchase. You know from checking the Internet that 1 liter is equivalent to 0.26 gallons and the currency conversion rate for the Canadian ...

*May 11, 2013*

**math**

Suppose that China’s population policy is modified so that every family could have children until either a boy is born or until a maximum of four children are born, whichever comes first. Assume that every family chooses to have as many children as possible under this ...

*May 11, 2013*

**math**

Suppose that you learn, prior to your trip to British Columbia, that gasoline will cost $1.50 (in Canadian dollars) for every liter you purchase. You know from checking the Internet that 1 liter is equivalent to 0.26 gallons and the currency conversion rate for the Canadian ...

*May 11, 2013*

**math**

Three boxes of fruit are labeled Apples, Oranges, and Apples and Oranges. Each label is wrong. By selecting just one fruit from just one box, how can you determine the correct labeling of the boxes?

*May 9, 2013*

**math**

Imagine that you have 5 blue socks and 5 brown socks in a drawer that are not paired up. How many socks must you take out from the drawer (without looking) to be sure of getting a pair of the same color? (3 points)

*May 9, 2013*

**math**

One of your dresser drawers contains 10 black socks and 10 blue socks. Suppose it is dark and you can’t tell what color a sock is when you look at it. If you start taking socks randomly one at a time from the drawer, how many would you have to take to guarantee that you ...

*May 6, 2013*

**math**

One of your dresser drawers contains 10 black socks and 10 blue socks. Suppose it is dark and you can’t tell what color a sock is when you look at it. If you start taking socks randomly one at a time from the drawer, how many would you have to take to guarantee that you ...

*May 6, 2013*

**math**

Assuming that a table saw blade has a diameter of 12 inches and spins at 3450 revolutions per minute (RPMs),determine how fast the tip of the teeth of the saw blade are traveling in miles per hour. Answer: 3450/12= 287.5 RPMs 287.5 min/60 mins = 1 hr =4.8 RP/HR

*May 4, 2013*

**math**

3450/12= 287.5 RPMs 287.5 min/60 mins = 1 hr =4.8 RPHR is that right then?

*May 4, 2013*

**math**

Assuming that a table saw blade has a diameter of 12 inches and spins at 3450 revolutions per minute (RPMs),determine how fast the tip of the teeth of the saw blade are traveling in miles per hour.

*May 4, 2013*

**math**

Assuming that a table saw blade has a diameter of 12 inches and spins at 3450 revolutions per minute (RPMs), use the unit conversion techniques you have learned from the material in 2-A to determine how fast the tip of the teeth of the saw blade are traveling in miles per hour.

*May 4, 2013*

**math**

Suppose you are turning in a receipt to your ward financial clerk for a reimbursement and unfortunately only the final amount of $57.93 is showing on the receipt. The ward clerk asks for your help to calculate how much went to state sales tax (which is currently 6%). How much ...

*May 4, 2013*

**math**

4. Suppose your living room is a rectangle measuring 13 feet by 21 feet and it needs new carpet. How much carpet do you need in square yards and how much would your cost be if it is sold at $21 per square yard? Round your first answer to the nearest square yard.

*May 4, 2013*

**Calculus**

find the equation of the tangent line to the graph of y= f(x) = ln (x)/x at the point (1,0)

*May 1, 2013*

**Biology**

YEP IT IS REAL HARD

*April 29, 2013*

**Algebra**

How do you factor ax^2+bx+c? I'm so confused. I remember my teacher saying to use the discriminant b^2-4ac but when I do find the answer what do I next? Please help! For ex. Factor the trinomial if possible. If it cannot be factored, write not factorable. 4x^2+27x+35

*April 28, 2013*

**Chemistry**

Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka of 4.0× 10–8. It reacts with strong base to produce ClO–. (e) after addition of 60.0 mL of KOH

*April 25, 2013*

**science**

Calculate the heat of combustion of candle wax in kJ/mole. The standard heat of formation (∆Hf ) of candle wax (C20H42) is -2230 kJ/mole. The standard heat of formation (∆Hf ) of carbon dioxide is -394 kJ/mole. The standard heat of formation (∆Hf ) of water ...

*April 25, 2013*

**science**

what is the purpose of meiosis

*April 18, 2013*

**science**

what is the differnts between asexual and sexual reproduction

*April 18, 2013*

**Science**

I am doing a project on blizzards and I am having a hard time trying to find 3 good interactive websites. Help please? Thanks!

*April 18, 2013*

**English**

Good claim/topic sentence for this question? Did Miep Gies face many important challenges during and after the time of the holocaust?

*April 11, 2013*

**math**

what does the second term and the fourth term mean?

*April 1, 2013*

**Algebra**

Write the expression as a complex number in standard form. ____5____ 2- i =2+5i Did I get the right answer?

*March 26, 2013*

**Chemistry**

A solution is prepared by dissolving 0.12 mol of acetic acid and 0.12 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

*March 25, 2013*

**Algebra **

Use a graphing calculator or a computer to graph the system of inequalities. Give the coordinates of each vertex of the solution region. 5x-3y is greater than or equal to -7 x-2y is greater than or equal to 3 3x+y is greater than or equal to 9 x+5y is less than or equal to 7 I...

*March 24, 2013*

**Chemistry**

A solution is prepared by dissolving 0.12 mol of acetic acid and 0.12 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

*March 24, 2013*

**Geomatry**

If a zipline ends at 8ft above the ground and goes upward at a 6 degree angle, how high will it begin?

*March 23, 2013*