Thursday

December 18, 2014

December 18, 2014

Total # Posts: 75,715

**Math**

What is a real world problem that compares the ratios 5 to 9 and 12 to 15.
*December 18, 2014*

**statistics**

An IQ test was administered to a random sample of 26 mental patients and the mean was found to be 99.7. For this test, the population values are known to be normally distributed and with a population standard deviation of 15. Construct a 90% confidence interval for the mean IQ...
*December 18, 2014*

**Math**

Lindsay bought six cds at the mall: the original price was $13 each but she got a discount, and only paid a total of $58.50 for all six. what was the discount
*December 18, 2014*

**english**

thanks
*December 18, 2014*

**english**

307 (Ps sorry for labeling this as the wrong subject)
*December 18, 2014*

**english**

Peter attends 6 dance lessons each week, all year long. There are 52 weeks in a year. Peter missed 5 dance lessons while sick. How many dance lessons did Peter attend during the year?
*December 18, 2014*

**physics**

If you use a horizontal force of 30.0 N to slide a 12.0 kg wooden crate across a floor at a constant velocity, calculate the acceleration.
*December 18, 2014*

**Math help**

A boy has 380 prize tickets he wants to exchange for action figures at a prize booth. At this prize booth 5 tickets can be exchanged for a large action figure, and 7 tickets can be exchanged for 2 small action figures. The boy wants 4 times as many small action figures as ...
*December 18, 2014*

**Math**

Ohh okay. I get it now, thank you!
*December 18, 2014*

**Math**

Steve said that x+y = 14.. Steve also explained to you. *How are you confused on what numbers to multiply to get 59.50..?* if x+y = 14 then it would be x= 7 y=7 5x means 5 multiplied by x and x is 7. 5 times 7 is 35 so now its 35 + 3.50y 3.50 times 7 is 24.5 so now 35 + 24.5...
*December 18, 2014*

**Math**

8.5? Imma kinda confused on what numbers I need to multiply to get 59.50..
*December 18, 2014*

**Math**

She deposits $5 or $3.50 into her account. She made 14 deposits which equaled $59.50. how many times did she deposit $5 & how many times did she deposit $3.50 - I don't know how to do this!
*December 18, 2014*

**L.A **

This isn't a question but if you have helped me in L.A today thank you. I just want to thank everyone for the help and everyone for helping each other! Happy holidays and have a wonderful Winter Break! :-)
*December 18, 2014*

**language arts**

nevermind. Thanks!
*December 18, 2014*

**language arts**

ok thanks! can you check that for me? :)
*December 18, 2014*

**language arts**

Well B is one of them by the way(: I went over the chapter. It's definitely not C Again I re read the sentence " Sam Adams was so happy his hands shook worse then ever" and that show'd that doesn't determine what type of ruler general gage is. so.. I ...
*December 18, 2014*

**language arts**

What do you think is the other one and we can check
*December 18, 2014*

**Chemistry**

I need help with this question. 1. You have a tank of helium with a volume of 10 liters that is currently under 40 atm of pressure. If you open the valve on the tank and release the helium into a room with a volume of 10,000 liters, how many atmospheres of pressure will the ...
*December 18, 2014*

**Math **

What is the equation of the line that has a slope of 0 and passes through the point (6, -8) A. x=6 B. y=6 C. x=-8 D. y=-8
*December 18, 2014*

**business math**

toby signed a simple discount promissory note for $20,000. the discount rate is 8.5%, and the term of the note is 90 days. what are toby's proceeds on the loan?
*December 18, 2014*

**math**

A taco stand sells tacos for $3.25 each. The stand’s expenses for the day are $210. Define your variables and write an inequality to represent the amount of tacos they need to sell per day to make a profit, and then solve the inequality. Provide your conclusion as a ...
*December 18, 2014*

**math**

* not multiple choice* 2/3n = 8 solving the system of equations 4x + 3y = 13 y= -x +4 * not sure how to do this the slope intercept form of the function that contains the point (-3, 2) and has a slope of -2? my answer: y= -2x + 6 -1 + 5(6-y) my answer is -y + 29
*December 18, 2014*

**Algebra**

Thx. After getting rid of the fractions, I could easily use the quadratic formula to find the roots, (1, 2/3)! :D
*December 18, 2014*

**Algebra**

Find all real roots of the following equation. x^2 - (5/3)x = -2/3 Thx
*December 18, 2014*

**Math**

The cost of staying at a hotel can be found using the function y = 129x + 9.95, where x is the number of days a guest stays at the hotel and y is the cost in dollars. The cost includes a flat fee for Internet access. If the fee for Internet access is not included, which ...
*December 18, 2014*

**Physics**

starting from rest a 7.5 kg suitcase slides down a 30 degree frictionless incline a distance of 3.1 m upon reaching the bottom it slides an additional 5 m before coming to a stop. a) determine speed of suitcase at bottom of ramp b) determine coefficient of kinetic friction ...
*December 18, 2014*

**Physics**

65 kg pole vaulter running at 10.2 m/s vaults over the bar. if height of bar was set at 4.96 m how fast was he moving as he cleared the bar
*December 18, 2014*

**Physics**

800 n student is standing in middle of frozen pond stranded 6.4 m from shore only thing he has is physics book which has mass of 3 kg so he throws it at 10 m/s toward one shore how long does it take him to reach opposite shore
*December 18, 2014*

**optional maths**

(1+sec 2A) (1+sec4A) (1+sec8A) = tan8AcotA
*December 18, 2014*

**L.A.**

I've read this book
*December 18, 2014*

**Math**

Let y = sqrt(7-x) Find the differential dy when x= 1 and dx = 0.4 Find the differential dy when x= 1 and dx = 0.02
*December 18, 2014*

**science**

Which of the following best describes the process of diffusion?
*December 18, 2014*

**Logical Fallacy**

Penguins are black and white. Some old TV shows are black white. Therefore, some penguins are old TV shows. Is this a valid and unsound argument?
*December 17, 2014*

***repost* L.A**

I thought my other one was to long so I decided to shorten up the questions.. Please check (: Choose the sentence that uses the word "cultivate" as is used in the sentence from the novel below "novel is Johnny Tremain" 1. As soon as Johnny began to ...
*December 17, 2014*

**L.A**

Thank you all for helping me on 3
*December 17, 2014*

**L.A **

Choose the sentence that uses the word "cultivate" as is used in the sentence from the novel below "novel is Johnny Tremain" 1. As soon as Johnny began to cultivate Dove, he was surprised at the response. A. The farmer sought to cultivate a garden of ...
*December 17, 2014*

**Cardiovascular Respirtory**

What is the meaning of the root word FURC/O? A. Division B. Vein C. Heart D. Blood vessel
*December 17, 2014*

**Cardiovascular Respirtory**

Which organ sterilizes ingested food? A. Stomach B. Liver C. Salivary glands D. Pancreas
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

Which is not a symptom of peptic ulcers? A. Gangrene B. Gnawing pain in the abdomen C. Loss of appetite D. Nausea
*December 17, 2014*

**Cardiovascular Respirtory**

Which is not a symptom of peptic ulcers
*December 17, 2014*

**biology**

Explain how a new population might be formed
*December 17, 2014*

**Math (Repost)**

*not multiple choice* u^-3 = 1/125 y - 1 = 4y - 2/3 * not sure how to do this what is the y intercept of the line? y= -3x - 5 * my answer is 5 when 40 is added to the number miles she ran last week..the result is the same as adding 10 to 4 times the number she ran last week...
*December 17, 2014*

**biology**

what is the most accepted mechanism for evolution
*December 17, 2014*

**Cardiovascular Respirtory**

Crohn's disease
*December 17, 2014*

**Cardiovascular Respirtory**

A 42-year-old male is admitted to the hospital with chronic inflammation of the intestinal walls resulting in diarrhea, constipation, and melena. Which of the following conditions does the patient have?
*December 17, 2014*

**Cardiovascular Respirtory**

Which one of the following suffixes means "spitting"? A. -PNEAC. B. -PTYSIS C. -SPHYXIA D. -OSMIA MY ANSWER IS B
*December 17, 2014*

**Cardiovascular Respirtory**

Which one of the following suffixes means "spitting"?
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

anorexia.
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

anorexia
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

The medical term for "loss of appetite" is
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

PERI/O
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

What is the root word for the term pericardiectomy?
*December 17, 2014*

**Math**

*not multiple choice* u^-3 = 1/125 y - 1 = 4y - 2/3 * not sure how to do this what is the y intercept of the line? y= -3x - 5 * my answer is 5 when 40 is added to the number miles she ran last week..the result is the same as adding 10 to 4 times the number she ran last week...
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

The function of the sinoatrial node is to
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

A patient complains of a fast heart rate. Which diagnosis does this statement indicate?
*December 17, 2014*

**chemisty**

determine the molarity of each of the ions present in the following aqueous salt solutions (assume 100% ionization) 1.25 M CuBr2 how many grams of each ion would be present in 100mL of each solutions.
*December 17, 2014*

**SS**

Is explaining a country's location compared to two continents an example of relative location?
*December 17, 2014*

**Math**

How many solutions does the following system have? { 16x - 8y=20 { 4x - 2y= 5 A. 0 B. 1 C. 2 D. Infinitely many
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

Which one of the following is an example of epithelial tissue?
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

Hair follicles, sweat glands, and sebaceous glands can all be found in the _______ layer of the skin, which is considered to be "true skin
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

Which of the following is an accessory organ of the integumentary system?
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

Which group of words are energy sources for muscles
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

Which one of the following is an example of epithelial tissue?
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

Which process involves the removal of thin layers of malignant growth and subsequent microscopic examination?
*December 17, 2014*

**Algebra **

Steve is driving to a ski resort. At first, he drove at a rate of 65 mph. Then a snow storm started and he had to slow down to 40 mph. In total. it took him 6 hours to drive 310 miles. Which system of equations represents this situation? A. 6x + y= 1 x + y= 310 B. x + y= 105 ...
*December 17, 2014*

**math**

101.
*December 17, 2014*

**Math**

What was the answer that you chose? I'm asking so people don't just give you the answer and we can check it(:
*December 17, 2014*

**L.A help please**

Oh lol okay. That's alright but thanks for explaining what question 5 was asking. I will look at that site.
*December 17, 2014*

**L.A help please**

I actually re looked over it. for 4 I choose either C orA and for 5 I choose B
*December 17, 2014*

**L.A help please**

Oh alright. Well I chose B.. Does that seem correct?
*December 17, 2014*

**L.A help please**

Please check. 4. Which of the following is one of the most significant events in chapter VIII *Johnny Tremain* A. Merchant Lyte's sickness B. James Otis's speech C. Lavinia asking the soldier to get Dr. Warren for her father*** I chose this one D. Dr. Warren lending ...
*December 17, 2014*

**Algebra **

How many solutions does the following system have? { 16x - 8y=20 { 4x - 2y= 5 A. O B. 1 C. 2 D. Infinitely many
*December 17, 2014*

**Algebra **

To solve the following system of equations by elimination, which step would best to perform first? 1/2a - 1/4b = 1 1/3a + b= 3 A. Add the two equations. B. Subtract the two equations. C. Multiply the first equation by 4. D. Divide the first equation by 3.
*December 17, 2014*

**language arts**

is it c?
*December 17, 2014*

**language arts**

I'm sorry I meant Boston, not cotton. is it still right? @Ms.Sue
*December 17, 2014*

**Algebra **

A sales clerk at a local deli made the chart below for popular lunch combinations. What is the individual price for a salad? Lunch Pricing Combinations 1 Sandwich + Salad= $8.70 2 Sandwiches + Salad= $13.45 A. $3.25 B. $3.95 C. $4.25 D. $4.75
*December 17, 2014*

**MATH PLEASE HELP**

You want to make an investment in a continuously compounding account earning 1.2% interest. How many years will it take for your investment to double in value? Round the logarithm value to the nearest thousandth. Round the answer to the nearest year. I got 6 years, is this ...
*December 17, 2014*

**calculus honor**

If y = 2x3 – 4x and , find when x = 1. Give only the numerical answer. For example, if = 3, type only 3.
*December 17, 2014*

**calculus honor**

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 4 cm, the edge length of the base is increasing at ...
*December 17, 2014*

**calculus**

The height of a cylinder with a fixed radius of 6 cm is increasing at the rate of 3 cm/min. Find the rate of change of the volume of the cylinder (with respect to time) when the height is 20cm.
*December 17, 2014*

**cauculus**

The area A = πr2 of a circular puddle changes with the radius. At what rate does the area change with respect to the radius when r = 5ft?
*December 17, 2014*

**calculus**

The area A = πr2 of a circular puddle changes with the radius. At what rate does the area change with respect to the radius when r = 5ft?
*December 17, 2014*

**caculus**

A 10-ft ladder rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 1 ft/sec, how fast, in ft/sec, is the top of the ladder sliding down the wall, at the instant when the bottom of the ladder is 6 ft from the wall? Answer with 2 ...
*December 17, 2014*

**Algebra**

Lisa, Nicole, and Amber are to mow a rectangular lawn that measures 100 feet by 120 feet. Lisa is going to mow one0third of the lawn by mowing a strip of niform width around the outer edge of the lawn. What are the dimensions of the lawn to still be mowed?
*December 17, 2014*

**Algebra 1**

Perpendicular. They cross at (18,5)
*December 17, 2014*

**Algebra 1**

Perpendicular
*December 17, 2014*

**Math**

You want to make an investment in a continuously compounding account over a period of 100 years. What interest rate is required for your investment to double in that time period? Round the logarithm value and the answer to the nearest hundredth. I got C, is this correct? 0.7...
*December 17, 2014*

**Math**

Could you have a clearer equation?
*December 17, 2014*

**English**

What is an example of dramatic irony in Hard Times? I think the answer is b When the audience knows that Stephen changed his name before Mr. Bounderby knows When the audience knows that Mrs. Gradgrind is dying When the audience knows that Thomas asked Stephen to wait outside ...
*December 17, 2014*

**geometry**

Tan@ + tan2@ + tan3@ ... tann@ = ?
*December 17, 2014*

**English Help**

Which represents a way for the author to draw attention to the thoughts of a subject-matter expert? I think its c. A photograph A table of contents A pulled-out quote Bulleted points
*December 17, 2014*

**English**

Which author wrote after the Victorian age? Lord George Gordon Byron Lewis Carroll D.H. Lawrence Emily Brontë
*December 17, 2014*

**Science Please Help**

thanks
*December 17, 2014*

**Science Please Help**

an illness caused by fungus
*December 17, 2014*

**physics**

the second floor of a house is 6m above street level. How much work is required to lift a 300-kg refrigerator to the second-floor level?
*December 17, 2014*

**Physics**

box of books weighs 350 n is shoved across the floor with a force of 500 n directed downward at angle of 37 with horizontal. if muk between box and floor is .5 how long does it take box to move 4 m starting from rest and what is largest value of muk that will allow the box to ...
*December 17, 2014*

**physics**

A steel ball is thrown vertically upward and a ping pong ball is dropped vertically downward. the two balls roll at the same time. which will have a greater acceleration, why?
*December 17, 2014*

**Physics**

a person standing at the edge of a seaside cliff kicks a stone horizontally over the edge with speed of 31 m/s cliff is 51 m above water. how far from base of cliff does stone land and what is speed of stone when it hits water
*December 17, 2014*

**^Math^**

x = 1/12 (-23-i sqrt(383)) -or- x = 1/12 (-23+i sqrt(383))
*December 17, 2014*

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