Friday

August 22, 2014

August 22, 2014

Total # Posts: 69,770

**Physics**

A cyclist starts from rest and coasts down a 6.5∘{\rm ^\circ} hill. The mass of the cyclist plus bicycle is 95kg{\rm kg} . The cyclist has traveled 270m{\rm m} .What was the net work done by gravity on the cyclist? How fast is the cyclist going? Ignore air resistance.
*May 10, 2014*

**Math**

Simplify so it is one fraction. (8x/(x-8)) - (4/(x-8)) (8x - 4)/(x - 8)?
*May 10, 2014*

**Physic**

If a scuba diver fills his lungs to full capacity of 5.5LL when 8.2mm below the surface, to what volume would his lungs expand if he quickly rose to the surface? Assume he dives in the sea, thus the water is salt.
*May 10, 2014*

**math need help urgent**

Mr. Michaluk has a $50,000 personal (revolving) line of credit with the Canadian Imperial Bank of Commerce (CIBC). The loan is on a demand basis at a floating rate of prime plus 1.5%. On the fifteenth of each month, a payment equal to the greater of $100 or 3% of the combined ...
*May 10, 2014*

**Algebra**

The 22 students present for a recent test in Ms. Huang’s class had an average score of 88. When students who were absent took the test, three scored 4 points higher than the average and two scored one point higher than the average. What is the new class average when the ...
*May 10, 2014*

**Science**

1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine 2. Compare the two ...
*May 10, 2014*

**Social studies...**

How did the Fugitive Slave Act and the Kansas-Nebraska Act further divide the North and South? What role did the concept of popular sovereignty play in these conflicts? Do you think there was any way to avoid the violence that came out of this era? Could you explain?
*May 10, 2014*

**English help**

From the words below supply the words needed to complete the sentences. Querulous, commiserate, tedious, pugnacious, thwart, incorrigible A. Trying to keep the INCORRIGIBLE prisoners from escaping was Jack's responsibility. Although he sometimes enjoyed his work, he ...
*May 10, 2014*

**English help**

From the words below supply the words needed to complete the sentences. Compatible, virtuoso, vilify, vulnerable, incipient, colloquial A. The VIRTUOSO who had spent ten years refining his skills as a violinist would sarcastically VILIFY those who made mistakes. B. Saying &...
*May 10, 2014*

**H.E.L.P**

1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine 2. Compare the two ...
*May 10, 2014*

**English help**

From the words below supply the words needed to complete the sentences. Prolific, incontrovertible, tentative A. He said that he had made a TENTATIVE offer on a pair of rabbits; he planned to call back and confirm if his wife did not object. His wife, however, did object; she ...
*May 10, 2014*

**English help**

Is it d?
*May 10, 2014*

**English help **

1. Thyme: herb:: A. Fearless: brave B. sedan: auto C. Speech: mouth D. Auto: garage Is it b? 2. Bat: raccoon:: A. Bird: robin B. insect: snake C. Owl: possum D. Porpoise: whale Is it c? 3. Penny: coin A. Dollar: pound B. whisper: speak C. Epic: poem D. Read: write Is it c?
*May 10, 2014*

**math**

hjj
*May 10, 2014*

**english**

Which is the best place to find more info about the development of photography in the mid 1800/s. -photography manual - history textbook .encyclopedia
*May 10, 2014*

**english**

The first one
*May 10, 2014*

**english**

Please help: Which sentence uses apostrophes correctly? A. Martha's new bike was stuck and couldn't nove. B. Tracy's only brothers' birthday si the day before hers. C. Walter's childrens' grades have been improving lately.
*May 10, 2014*

**english**

Oh. Okay. B is the answer.
*May 10, 2014*

**english**

Leave sentence as is is my answer.
*May 10, 2014*

**english**

Leave sentence as is.
*May 10, 2014*

**english**

A or b
*May 10, 2014*

**english**

What is the correct way to write mens' in this sentence? After their group got caught in the rain, the mens' clothes were all soaked. A. Leave the sentence as si. B. Men's C. Mens's D. Men'
*May 10, 2014*

**english**

Thank you:-)
*May 10, 2014*

**english**

What should you do to the following sentence to avoid using a double negative? Even with glasses on, she didn't never see well. A. Leave the sentence as is. B. Even with glasses on, sue didn't ever see well. C. Even with glasses on, she never saw nothing well. D. Even ...
*May 10, 2014*

**Algebra**

Sumi can wash the windows of an office building in 3/4 the time it takes her apprentice. One day they worked on the building together for 2h 16min , then Sumi continued to work alone. It took 4h 32min more to complete the job. How long would it take her apprentice to wash all ...
*May 9, 2014*

**Math**

Yes, but how did the first n in n(1 - 2n) go away?
*May 9, 2014*

**Math**

How did you get 1 - 2n = 0?
*May 9, 2014*

**Math**

n-2n^2=0
*May 9, 2014*

**Electricity **

50.0pJ of energy is stored in a 3.00cm × 3.00cm × 3.00cm region of uniform electric field. What is the strength of the field?
*May 9, 2014*

**Physics**

50.0pJ of energy is stored in a 3.00cm × 3.00cm × 3.00cm region of uniform electric field.
*May 9, 2014*

**Algebra**

A chemist has one solution that is 80% acid and a second solution that is 30% acid. How many liters of each solution will the chemist need in order to make 50L of a solution that is 62% acid?
*May 9, 2014*

**Algebra**

The area of a rectangular piece of land is 280 square meters. If the length of the land was 5 meters less and the width was 1 meter more, the shape of the land would be a square. Part A: Write an equation to find the width (x) of the land. Show the steps of your work. (5 ...
*May 9, 2014*

**Algebra**

Thanks to both of you!
*May 9, 2014*

**Algebra**

Two lamps can be connected to a battery in a circuit in series or in parallel. You can calculate the total resistance RT (t is down from r) in a circuit if you know the resistance in each lamp. Resistance is measured in ohms. For a circuit connected in series, RT = R1 + R2. ...
*May 9, 2014*

**Physics**

A baseball is thrown from the roof of 23.5m -tall building with an initial velocity of magnitude 10.0m/s and directed at an angle of 53.1∘ above the horizontal. a.What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air ...
*May 9, 2014*

**Physics**

A ski tow operates on a slope of angle 14.9∘ of length 320m . The rope moves at a speed of 12.5km/h and provides power for 55 riders at one time, with an average mass per rider of 68.0kg .Estimate the power required to operate the tow.
*May 9, 2014*

**Algebra**

How do I do 1/12 = 1/30 + 1/R?
*May 9, 2014*

**Algebra**

I'm sorry, R1 = 30 ohms.
*May 9, 2014*

**Algebra**

Two lamps can be connected to a battery in a circuit in series or in parallel. You can calculate the total resistance RT (t is down from r) in a circuit if you know the resistance in each lamp. Resistance is measured in ohms. For a circuit connected in series, RT = R1 + R2. ...
*May 9, 2014*

**capstone citical thinking**

Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the movies yesterday, there is not a romantic comedy playing at her local theater. The reasoning above is flawed because the evidence
*May 9, 2014*

**HELP!!!!!!!!!!!!**

WHAT GPA like 97 or 96
*May 9, 2014*

**Help?**

No. I'm saying that's the question but I changed my answer to B.
*May 9, 2014*

**Help?**

This one: How are Boolean search strategies and other search filters useful? They organize results alphabetically. *** They narrow the search results. They increase the number of search results. They find creative sources.
*May 9, 2014*

**Help?**

2. D or B?
*May 9, 2014*

**Help?**

1. Which of the following are Boolean operators? and, or, not *** to, for, from a, an, the is, are, not 2. How are Boolean search strategies and other search filters useful? They organize results alphabetically. *** They narrow the search results. They increase the number of ...
*May 9, 2014*

**Algebra**

Two pipes fill a storage tank in 9 hours. If the larger pipe fills the tank three times as fast as the smaller one, how long would it take the larger pipe to fill the tank alone? In terms of your variable, what fraction of the tank is filled in 1 h by the larger pipe alone? By...
*May 9, 2014*

**Can you please check my answers?**

I thought it would be....D
*May 9, 2014*

**Can you please check my answers?**

Nope.
*May 9, 2014*

**Can you please check my answers?**

# 2 be A?
*May 9, 2014*

**Can you please check my answers?**

I disagree for the second one.
*May 9, 2014*

**Can you please check my answers?**

Can you help me with a few more? 4. Which of the following items found in a beach bag promotes good health? swimsuit snorkeling mask sunscreen *** radio 5. Which of the following functions like a fulcrum in a lever? tendons connecting muscle to bone at a joint ligaments ...
*May 9, 2014*

**Can you please check my answers?**

The first one is a ball and socket joint, which allows for a lot of movement.
*May 9, 2014*

**Can you please check my answers?**

Which of the following types of joints allows the type of shoulder motion needed by a baseball pitcher to pitch a fastball in a baseball game? pivot *** gliding hinge ball and socket 2. Which of the following pairs of joints represents the same type of joint? Neck and knee ...
*May 9, 2014*

**health**

Couch potatoitis, diabetes, obesity, heart disease, fatigue, etc.
*May 9, 2014*

**health**

Exercise can help prevent
*May 9, 2014*

**health**

What is an example of how adults can develop knowledge to attain goals if running is a goal
*May 9, 2014*

**math**

y = mx + b f(x) = 2m + b = 1 f(x) = 4m + b = 0 f(x) = 6m + b = -1 -1(2m + b = 1) 4m + b = 0 -2m -b = -1 4m + b = 0 2m = -1 m = -1/2 2(-1/2) + b = 1 -1 + b = 1 -1+ 1 + b = 1 + 1 b = 2 y = mx +b y = -1/2x + 2
*May 9, 2014*

**geometry**

balloon has a circumference of 23 cm. Use the circumference to approximate the surface area of the balloon to the nearest square centimeter.
*May 9, 2014*

**Math**

For amounts between $10,000 and $24,999, a credit union pays a rate of 2.5% on term deposits with maturities in the 91- to 120-day range. However, early redemption will result in a rate of 1.75% being applied. How much more interest will a 91-day $20,000 term deposit earn if ...
*May 9, 2014*

**maths**

Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18 .
*May 9, 2014*

**math**

Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 84, 72, and 96. To get an B in the course, you must have an average of at ...
*May 9, 2014*

**physics**

If a cyclist moving with a speed of 4.9 m/s on a level road can take a sharp circular turn of radius 4 m,then what is the coefficient of friction between the cycle tyres and the road?
*May 9, 2014*

**math**

Naomi has 50 red beads and white beads together the # of red beads is 1 more than 6 times the# of white beads how many red beads does naomi
*May 9, 2014*

**Algebra**

3/(s - 1) + 1 = 12/(s^2 - 1)
*May 9, 2014*

**Algebra**

A company invests $15,000.00 in an account that compounds interest annually. After two years, the account is worth $16,099.44. Use the function in which r is the annual interest rate, P is the principal, and A is the amount of money after t years. What is the interest rate of ...
*May 8, 2014*

**Math**

How is 1/(x-2) = (2x - 6)/(x + 6) + 1 rewritten as 1/(x - 2) = 3x/(x + 6)? I don't understand.
*May 8, 2014*

**trig**

solve the equation on the interval [0, 2pi]: tan^2 x - 3 tan x + 2 = 0
*May 8, 2014*

**Algebra ( benchmark)**

No more than * yes
*May 8, 2014*

**Algebra ( benchmark)**

The Carlson family is building a house on a lot that is 91 feet long and 158 feet wide. A. Town law states that the sides of a house can't be closer than 10 ft to the edges of a lot. Write an inequality for the possible lengths of the Carlson family's house B.The ...
*May 8, 2014*

**Math**

Three dimes to five nickels ratio if three to five total 120 coins how many are fimes
*May 8, 2014*

**Math**

How is 1/(x-2) = (2x - 6)/(x + 6) + 1 rewritten as 1/(x - 2) = 3x/(x + 6)? I don't understand.
*May 8, 2014*

**statistic**

if the p value of the test statistic id equal to 1.36, then the p-value is
*May 8, 2014*

**Chemistry**

How many grams of nitrogen are required to react with 2.79g of hydrogen to produce ammonia? A) 25.8 g B) 13.0 g C) 78.2 g D) 38.7 g E) 77.4 g I get the answer as 38.7 but it is meant to be B I did 2.79g x 3molH2/2.016g/mol x 1molN2/3molH2 x 28.02g/mol/1moleN2
*May 8, 2014*

**Algebra**

-3/9>-9/3 -1/3 > -3
*May 8, 2014*

**Algebra**

which of the following is correct? -9/3>-3/9 -3/9>-9/3 -3/9<-9/3 9/3<3/9
*May 8, 2014*

**Algebra**

Which of the following is a correct statement? -9/3>3/9 -3/9>-9/3 -3/9<-9/3 9/3<3/9
*May 8, 2014*

**Algebra**

A car is traveling at an average speed of 54 miles per hours. How many minutes will it take the car to travel 117 miles
*May 8, 2014*

**Math**

67.5
*May 8, 2014*

**ALGEBRA**

A playground is shaped like a rectangle with a width 5 times its length (l). What is a simplified expression for the distance between opposite corners of the playground? I can't copy the multi-choice answers but can you help?
*May 8, 2014*

**statistics **

in the spring of 2001, a university had 40,000 registered students. to estimate the percentage of all students expecting to graduate in 4 years, a simple random sample of 225 students was drawn, 144 of the sample planned to graduate in 4 years. (a) were the draws made with or ...
*May 8, 2014*

**Algebra**

A furnace repair service charged a customer $80 for parts and $65 per hour worked. The bill totaled $177.50. About how long did the repair technician work on the furnance? A. 0.5 hour B. 1.5 hours C. 2 hours D. 47.1 hours
*May 8, 2014*

**Math**

Just multiply.
*May 8, 2014*

**Algebra 2**

The chief designer for a large automobile company is considering 4 different radiator grills, 2 different style of headlights, and 5 different rear fender designs. If an automobile style consists of a grill, headlight, and rear fender, how many different styles of automobiles ...
*May 8, 2014*

**Math**

Triangle L'M'N' is a dilation of triangle LMN. If the scale factor of the dilation is 1/5, which of the following statements is true? Triangle L'M'N' is a rotation of triangle LMN. Triangle L'M'N' is the same size as triangle LMN. Triangle L...
*May 8, 2014*

**Social Studies**

My book says that convicts were sent to Australia, and that more of the British came after gold was discovered in 1851. Is it C?
*May 8, 2014*

**Social Studies**

Which of the following was likely motivation for why colonists were even sent to Australia in the first place? A. to have people from the royal family go and colonize Australia. B. to send explorers who wanted to go because of monetary incentives. C. to send convicts to an ...
*May 8, 2014*

**English**

Which literary movement consists of honest and open descriptions the setting and characters?
*May 8, 2014*

**Math**

The trapezoid above has a base of 38 m and a height of 12 m. Which set of dimensions would produce a similar figure? A. base = 114 m, height = 36 m B. base = 38 m, height = 36 m C. base = 119 m, height = 36 m D. base = 109 m, height = 36 m
*May 8, 2014*

**Check my answers!**

1. Which of the following types of joints allows the type of shoulder motion needed by a baseball pitcher to pitch a fastball in a baseball game? pivot *** gliding hinge ball and socket 2. Which of the following pairs of joints represents the same type of joint? neck and knee ...
*May 8, 2014*

**ALGEBRA**

Thanks much
*May 8, 2014*

**ALGEBRA**

A gardener is mowing a 20 by 40 yard rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the corner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified form. The multiple choice answers won'...
*May 8, 2014*

**Math**

Rectangles ABCD and EFGH are similar figures because angles A, B, C, and D are congruent to angles E, F, G, and H, respectively. If DA equals 19 units, AB equals 8 units, and HE equals 133 units, what does EF equal? A. 56 units B. 122 units C. 7 units D. 315.88 units
*May 8, 2014*

**math**

The shadow of a 5-foot tall post is 10 feet long. At the same time a tree casts a shadow that is 24 feet long. What is the height of the tree? A. 2 feet B.14 feet C. 12 feet D. There is not enough information to solve the problem
*May 8, 2014*

**math**

(-2x)^-6
*May 8, 2014*

**math**

A▲b = 2a-3b then 2▲(-3)=
*May 8, 2014*

**math**

(a^4b^6)^0
*May 8, 2014*

**ALGEBRA**

thank you Steve for explaining it like this I understand a little better. Have a good evening.
*May 8, 2014*

**math**

Vanessa typically works 8 hours per day in a normal 5 day work week. Last week however vanessa had to take 90 minutss off on tuesday 45 minutes off on Thursday and she left rwo and a half hours early on friday how many hours did vanessa work last week
*May 7, 2014*

**math**

Jen and jacob want to put a cement deck around their pool. if the cement cost $4.75 per square foot, how much is the cost of the deck? round to the nearest hundreth.
*May 7, 2014*

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