Saturday

August 30, 2014

August 30, 2014

Total # Posts: 81

**statistics**

for a hypothesis comparing two population means, what is the critical value for a one-tailed hypothesis test, using a 5percent level of significance level, with both sample sizes equal to 13? the standard deviations for the samples are 5 and 7. assume the population standard ...
*April 28, 2014*

**statistics**

if we are testing for the difference between two populations, it is assumed that the two populations are approximately normal and have equal variances, true or false
*April 28, 2014*

**Math**

A company is planning to expand its business in a few years. New plant construction costs are estimated to be $4.75 per square foot. The company invests $850,000 today at 6% compounded quarterly. a. How many square feet could be built in 3 1/2 years? b. If the company waits ...
*April 14, 2014*

**math multiple choice**

. A man pays 60 cents for every 200m3 of gas used, plus a fixed charge of $13.75.How much does he pay when he uses 55 000m3 gas?
*April 8, 2014*

**5th grade math**

Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6 times as much money as Francine. How much money does Hannah have?
*November 22, 2013*

**5th grade math**

At a supermarket, pineapple juice sells at $1 per pint (16 ounces). Greg wants to buy eighteen 40-ounce cans of pineapple juice from the supermarket. How much dose he have to pay altogether?
*November 18, 2013*

**Math**

Which of these numbers are real numbers and are NOT integers? -6; 0; 12/49; 54.6 5,198
*October 22, 2013*

**Math**

Which of these numbers are real numbers and rational numbers: -2/3; 0.32; 27.38452...; 6.4; the square root of 15
*October 22, 2013*

**Math**

Which numbers are rational: 1/7; the square root of 13; 19.12; -15; The square root of 200; 8/15; 52.7246...
*October 22, 2013*

**Math**

Thanks
*September 22, 2013*

**Math**

I got 580,249 Is that right?
*September 22, 2013*

**Math**

It is a 6 dagit number. The least digit is in the thousands place. The greatest digit is in the ones place. The digit in the tens place is 5 less than the digit in the ones place. The digit in the hundred thousands place is greater than the digit in the tens place but is less ...
*September 22, 2013*

**Math**

It is a 7-digit number It has a digit 0. The greatest digit is in the hundred thousands place. The value of the digit 1 is 1,000,000. The digit 6 stands for 6,000. The value of the digit 5 is 5 ones. The digit 8 has a value greater than 700 but less than 1,000. The value of ...
*September 22, 2013*

**Business Math**

t=5
*September 18, 2013*

**4 grade math**

Carlos Molly and Simon had to share $100. Molly had 3 times as much money as Simon. Carlos had 2 times as much money as Molly. How much money did Carlos get? How much money did Simon get?
*June 17, 2013*

**Math**

1,700
*May 21, 2013*

**Chemistry**

A salt solution is evaporated to dryness. If 66.5 g of the solution leaves 1,492 mg of dry salt, what is the percent concentration (w/w) of the salt in the solution?
*May 6, 2013*

**Chemistry**

Calculate the volume of 2.45 M NaI that would be needed to precipitate all of the Hg+2 ion from 185 mL of a 2.44 M Hg(NO3)2. AND Calculate the molarity of an acetic acid solution if 47.81 mL of the solution is needed to neutralize 147 mL of 1.32 M sodium hydroxide.
*May 6, 2013*

**4th grade math**

Thank you every much. Have a great night.
*April 30, 2013*

**4th grade math**

So far John has run 1/4 of the way to school and walked 3/8 of the way. what fraction of the distance to school does John have left.
*April 30, 2013*

**4 grade math**

gina ate 1/6 of an apple pie. Greg ate 1/2 of the same apple pie. how much of the apple pie was left
*April 30, 2013*

**4 grade math**

If ms smith class read for 450hrs this month. Ms Brown class read two-thirds the number of hrs read by ms smith class. Ms James class read twice the hrs read by ms brown class. There are 90 students in these 3 classrooms. What was the average number of hrs read by each student?
*April 25, 2013*

**4th grade Math**

What fraction could be used to express 2 parts that equal 15/17?
*April 16, 2013*

**math**

solve the problem the national debt is $$44,280,000,000 and the population is 4,920,000.what is the debt per person
*April 11, 2013*

**Math 4th Grade**

200 coins are sorted and kept 3 bags. The first bag has 20 more coins than the second bag. The second bag has twice as many coins as the third bag. How many coins are there in the third bag?
*January 29, 2013*

**math 4th Grade**

a dictionary and a calculator cost $80. If the calculator cost $20 more than the dictionary, find the cost of the dictionary.
*January 29, 2013*

**Math**

200 coins are sorted and kept 3 bags. The first bag has 20 more coins than the second bag. The second bag has twice as many coins as the third bag. How many coins are there in the third bag?
*January 29, 2013*

**geography**

Discuss the origin, diffusion, and impact on the cultural landscape for one of the following: A) folk housing styles in the United States. B) Buddhism in Asia. C) English in South Asia.
*January 3, 2013*

**Physics**

An arrow is shot at an angle 35◦ with the horizontal. It has a velocity of 47 m/s.The acceleration of gravity is 9.8 m/s^2.What horizontal distance will it travel? Answer in units of m
*December 31, 2012*

**Physics**

A truck travels up a hill with a 15◦incline.The truck has a constant speed of 26 m/s. What is the horizontal component of the truck’s velocity? Answer in units of m/s What is the vertical component of the truck’s velocity? Answer in units of m/s
*December 31, 2012*

**physics**

An arrow is shot at an angle 35 ◦ with the horizontal. It has a velocity of 47 m/s. How high will the arrow go? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m
*December 30, 2012*

**physics**

A charge of +3c is located 50cm from a charge of -6c A what is the magnitude of the force exerted on each charge? B on a drwing indicate the directioon of the forces acting on each charge
*December 7, 2012*

**Anthropology**

One of the great differences between human cultural behavior and that of monkeys and apes is that: (Points : 1) a great deal of human culture is learned through language. humans learn their culture through mimicking their parents. humans do not have instinctual behavior. apes ...
*October 7, 2012*

**Math**

There are twice as many girls as boys in the 4th grade classes at Joe's school. There are a total of 81 4th graders. How many boys and girls are there in the 4th?
*October 3, 2012*

**math**

jackie is 8 years younger than her neighbor Paula. the sum of their ages is 30. how old are jackie and paula?
*October 3, 2012*

**Calculus**

after t months on the job a postal clerk cn sort Q(t)=700-400e^-0.5t letters per hour. Wht is the average rate at which the clerk sorts mail during the first 3 months on the job. What is the average rte t which the clerk sorts mail during the first 3 months on the job? What is...
*August 1, 2012*

**vet asst.**

which of the following is true of a smooth muscle? A. IT CAN'T MAINTAIN A STEADY STATE OF CONTRACTION B. SMOOTH MUSCLE CAN SOFTEN MORE RELATIVE TO ITS LENGTH COMPARED WITH STRIATED (SKELETAL) MUSCLE C. SMOOTH MUSCLE CAN'T MAINTAIN AN EVEN AMOUNT OF TENSION D. ITS UNDER...
*April 23, 2012*

**statistics**

Waste Today Services operates a garbage hauling company in a South Jersey city. Each year, the company must apply for a new contract with the city. The contract is in part based on the pounds of garbage hauled. Part of the analysis that goes into the contract development is an...
*April 18, 2012*

**Algebra**

An insurance office has 150 employees. If 135 of the employees have cell phones, what portion of the employees do not have cell phones.
*April 7, 2012*

**general chemistry**

have no idea
*January 4, 2012*

**English**

What do the abbreviations "S" "F" "SCS" "SCV" "CD" and "CX" stand for in Shurley English.
*December 5, 2011*

**Science**

I need help determining what the second phase of a Succession Diorama for a forest fire would contain.
*November 15, 2011*

**math**

Sylvia has a jewelry collection of bracelets, necklaces, and earrings. She has 16 bracelets. The number of earrings is 2 times the number of necklaces. She has 43 pieces of jewelry in all. How many of each piece of jewelry does she have?
*November 6, 2011*

**6th grade science**

What are Newton's three laws on motion in sixth grade lingo?
*February 22, 2011*

**Bio**

The pellicle is a stiff but elastic membrane that gives the paramecium its definite shape.
*February 9, 2011*

**Shirley English**

Is the word "during" a preposition in "Were the animals hiding during the storm yesterday."
*February 9, 2011*

**Shurley Englich**

Classify the word "Were" in "Were the frightened animals hiding during the storm yesterday?
*February 9, 2011*

**business communication 1**

crystal agreed to serve on a company's advisory board and now has to contact them to say she cannot attend a scheduled meeting where she was to be one of the several key speakers. what should she do? a. Let the company knows she cannot attend and that they will have to ...
*December 30, 2010*

**Chem**

A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium. What is the partial pressure of oxygen when this mixture is delivered at a total pressure of 8.0 atm? This is a new chapter were covering and i have no idea how to do this?
*October 15, 2010*

**Chem**

(1.31)V=(0.61)(464)?
*October 15, 2010*

**business**

does garmex offer early childhood courses
*June 28, 2010*

**algebra**

Solve each inequality. State the solution set using interval notation and graph the solution set. 1-x<6 or -5+x<1
*April 6, 2010*

**algebra**

Let f(x) =x^2 +2 and g(x)=2x + 1 Find and simplify each of the following bexpressions. a)...f(4) b)...g(a+2) c)...(fog)(2)
*April 6, 2010*

**Algebra**

Let f(x) =x^2 +2 and g(x)=2x + 1 Find and simplify each of the following bexpressions. a)...f(4) b)...g(a+2) c)...(fog)(2)
*April 6, 2010*

**math**

Curtis found a rule for a table. The rule he made is y=7x. What does the rule tell you about every y value?
*March 24, 2010*

**math**

At a laundromat there is 1 more dryer than there are washers. Write a rule to find the number of d dryers for every w washers.
*March 22, 2010*

**math**

$2.67
*February 10, 2010*

**spanish**

abrazame muy fuerte - hold me tightly embrace me tightly
*November 21, 2009*

**Mat 115**

1155 is what percent of 210?
*September 6, 2009*

**Biology**

I need help with DNA conversion. First of all, I needed to convert this DNA sequence into its RNA equivalent. 5'-TACTTCTTCAAGACT-3' After the conversion, I came up with this.. 3'-AUGAAGAAGUUCUGA-5'. Is this correct? Then I need to take the converted sequence, ...
*April 10, 2009*

**English**

You're right, it's biographical style..
*March 2, 2009*

**English**

I have to write a research paper on Maya Angelou. I can do it in autobiographical stlye. I have no idea of how to begin with this. I picked up 3 books of her works, but don't have a clue. Any help? I want to do it myself, but do it well.
*March 2, 2009*

**Chemistry**

THe pH at equivalence point is always 7
*February 4, 2009*

**social studies**

How can the country best prepare for the changing race and ethnicity of its current and future citizens?
*December 1, 2008*

**english: essay**

Could someone give feedback on my expository essay? The concerns is the thesis, intro, conclusion and citations of the paper. Systemic Lupus Erythematosus (Lupus) Many years ago, my mother was diagnosed with Systemic Lupus Erythematosus. Every day since the diagnose she try to...
*December 1, 2008*

**science**

That was what I was leaning toward, I just needed to see if someone else thought the same. Thanks
*September 24, 2008*

**science**

if you hold a thermometer in each hand, one farenheit and one celsius, and they read the same. What do they read?
*September 24, 2008*

**Biology**

ingestion
*September 24, 2008*

**math**

Draw a quadrangle that has 2 pairs of equal sides but is not a parallelogram and what is it called??
*September 8, 2008*

**math**

how do i simplify x^2*x^3/x^4
*May 22, 2008*

**Chemistry.. help plz**

I need help with a chemistry problem. Here it is A quantity of gas has a volume of 14L at STP. What is the volume (in L) at 9.7 atm and 94 C? Can you help me set up the equation?
*May 1, 2008*

**maths (is this correct)**

calculate the exact value of 4 1/5 - (1 1/9 * 3)is it=39/45
*April 14, 2008*

**calc check**

if you evaluate the integral of: t csc^2 t dt, is the answer -t cot t + ln|sint| + C Differentiate the answer to see if it is correct.
*May 23, 2007*

**calc**

also: integral of tan^(-1)y dy how is integration of parts used in that? You write: arctan(y)dy = d[y arctan(y)] - y d[arctan(y)] Here we again have used the product rule: d(fg) = f dg + g df You then use that: d[arctan(y)] = 1/(1+y^2) dy So, the integral becomes: y arctan(y...
*May 23, 2007*

**calc**

evaluate the integral: y lny dy i know it's integration by parts but i get confused once you have to do it the second time Leibnitz rule (a.k.a. product rule): d(fg) = f dg + g df y lny dy = d[y^2/2 ln(y)] - y/2 dy ----> Integral of y lny dy = y^2/2 ln(y) - y^2/4 + ...
*May 23, 2007*

**Science-Oceanography**

Bioluminescence in the marine environment is: a. Widespread amonth both invertebreates and the fishes? b. limited to plankton and survace dwelling organisms? It is widespread. Scroll down to Organisms that bioluminesce here: http://en.wikipedia.org/wiki/Bioluminescence#...
*December 14, 2006*

**science -Oceanography**

Behavior in fishes and other marine organisms, such as vertical migration, countershading, and breeding cycles are in responce to? Sunlight. choices of responses to: a. Penetration of light in the sea b. Temp changes with depth c. seasonal changes of salinity d. pressure ...
*December 14, 2006*

**Science - Oceanography**

Primary food source for abyssal organisms? Phytodetritus? Just a guess.... :) Phytodetritus is the major food source for abyssal benthic communities. choice of dead whales and other larger orgainsms which fall to the bottome or the rain of detritus and nutrients from the upper...
*December 14, 2006*

**Finance**

Thr rate of return you would get if you bought a bond and held it to its maturity date is called the bond's yield to maturity. If interest rates in the economy rise after a bond has been issued, what will happen to the bond's price and to its YTM? Does the length of ...
*November 12, 2006*

**Finance**

"The value of outstanding bonds change whenever the going rate of interest changes. In general, short-term interest rates are more volatile than long-term interest rates. Therefore, short-term bond prices are more sensitive to interest rate changes than are long-term bond...
*November 12, 2006*

**Finance**

If you buy a callable bond and interest rates decline, will the value of your bond rise by as much as it would have risen if the bond had not been callable?
*November 12, 2006*

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