Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 260

**math**

First find a common denominator which is 6. So she uses 2/6 for muffins, 3/6 for pies, and this leaves 1/6 apples left. 18 apples for muffins, 27 for pies, and 9 left over.

**statistics**

A standardized third grade reading test, called the We Can Read Test, has a mean of 50 with a standard deviation of 10. A developmental psychologist conducts a study, where he assesses the reading ability of a random sample of 75 third graders using the We Can Read Test, and f...

**Geometry**

Thanks to both of you

**Geometry**

Thanks

**Geometry**

What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches? Can you please check my answer and my reasoning? A. 44 sq. in. B. 20 sq. in. C. 70 sq. in. D. 35 sq. in. I picked D, because I took 10x7=70and divided that by 2, which equals 35 sq. in....

**Math grade 8**

Karim is painting a design on a cylindrical barrel. The height of the barrel is 1.2 m. The radius of its base is 0.3 m. What area will the paint have to cover? (Remember to include the bottom and lid of the barrel.)

**math**

The Canadian $2 coin has a copper centre surrounded by a ring of nickel. The diameter of the coin is 2.8 cm. The area of the copper centre is 2.0 cm2. What is the area of the nickel ring?

**algebra**

Archers need to use arrows that do not bend easily. Th e table shows how the weight of an arrow affects its spine, or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and a quadratic model for t...

**Calculus**

To find the length of the curve defined by x=7t−t^2,y=4t^(3/2) from the point (0,0) to the point (12,32), you'd have to compute çb to a f(t)dt where a= b= f(t) =

**Statistics**

A batch consists of 20 bad apples and 80 good ones. What is the probability of selecting 2 good apples when two are randomly selected if the first selection is replaced before the second is made?

**statistics**

Steven collected data from 20 college students on their emotional responses to classical music. Students listened to two 30-second segments from “The Collection from the Best of Classical Music.” After listening to a segment, the students rated it on a scale from 1 t...

**soc 120**

Virtue ethics regards which of these as virtues

**Equation**

ok I was supose to do the opposite. I forgot. Thank you.

**Equation**

c/4 - 5 = 4 can you show me the steps?

**HEALTH**

The key to using a pedometer to meet the Physical Activity Guidelines for Americans is to _________. A. First set a time goal and then calculate how rigorous the steps need to be each day to reach your goal B. First calculate how many steps are needed weekly and then match it ...

**college math**

5u+2v=-15 3u+v=-8 Im not sure how to do this problem

**college math**

the perimeter of a rectangular traffic sign is 120 inches Also, its length is 6 inches longer than its width

**car!**

Which one of these statements is true about a "bumper-to-bumper" warranty. A. Normal wear and tear is NOT covered by the warranty. B. All expenses except gasoline and routine oil changes are covered by the warranty. C. Every part and system is covered without excepti...

**Math**

Suppose an insurance agent offers you a policy that will provide you with a yearly income of 50,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 6% compounded annually? ( round your answer to the nearest cent )

**tudor**

a number that is between 100 and less then 200 and the number is 19 times larger than its sum

**Math help!**

How much should I deposit at the end of each month into and investment account that pays 9% copounded mothly to have 4 million when I retire in 43 yrs. What is the interest that comes form the 4 million

**Math 6 help ??????**

teacher brings 3 gallons of juice on a field trip. There are 36 students on the trip. a. How many fluid ounces of juice does the teacher bring? Show your work. b. Does the teacher have enough juice to give each student a 12-fluid ounce glass of juice?

**math**

I dont understand how to do my math homework. 7 over 6. (-18 over 35)

**Trig**

The height of a rider on a Ferris wheel is given by h(t)=12-10c0s(2pi)(t) meters, where t gives time, in minutes of the ride. a. Find the amplitude, midline, and period of the function h. b. During the first two minutes of the ride, find the times when the rider has a height o...

**Physics**

A man jumps straight up at 5m/s. a. Determine the time the man is in the air. b. Determine the maximum height the man would reach. c. As he jumps, a jerk pushes him in the back, giving him a velocity of 12m/s. determine the range of the man. d. Solve for the resultant velocity...

**pattern help please??**

Ok thanks : ) I appreciate you guys here a lot!!!!!!!

**pattern help please??**

Thank you and what does Tn mean?

**pattern help please??**

write the next three terms and write a rule to describe the number pattern. .57, 0.66, 0.75, .084, ...

**englsih writing tips**

Thanks Ms. Sue! Haha no I promise I'm not a terrible speller. I was typing too quickly. I'm in AP English and she's also an author so that's probably why she's so critical. I don't know. If I write one good essay I'd be so happy! She does this to ev...

**englsih writing tips**

So I really want my writing to improve. My teacher is extremely critical on people's writing. I know this is to help us but I feel incredibly stupid when she covers my paper with harsh comments. I just want her to like something in my writing. I feel like I have no potenti...

**Trigonometry**

Find the domain of the function. Write your answer using infinity and union. f(x)=x/x^2+1 f(x)=2x^2/x-3

**physics**

For the last part, mass stays the same regardless of location. Weight changes, mass stays the same.

**Physics**

Sorry I am completly lost on this one and it is my last homework problem. Due in a couple of hours if someone could help. I would greatly appreciate it. A block is placed on an inclined plane. The acceleration of gravity is 9.8 m/s^2. What force is required to push the block u...

**Adams**

Sorry I am completly lost on this one and it is my last homework problem. Due in a couple of hours if someone could help. I would greatly appreciate it. A block is placed on an inclined plane. The acceleration of gravity is 9.8 m/s^2. What force is required to push the block u...

**physics**

It takes you 8.2 min to walk with an average velocity of 1.3 m/s to the north from the bus stop to the museum entrance. How far did you walk?

**College Physics**

Convert 15.9 miles/hr to m/s

**physics **

How much energy is required to melt 0.1 kg of water (hfusion = 80 cal/g, hvaporiztion = 540 cal/g) at 0oC.

**Physics **

What mass of ice at 0 oC must you add to 0.5 kg of water at 22 oC to bring the final temperature of the water to 5 oC? (cice = cvapor = 0.5 cliq , cliq = 1 cal/(g oC), hfusion = 80 cal/g, hvaporiztion = 540 cal/g) A. 5.9 B.71 C 100 D106 E1.7

**Chem**

What is the hydroxide ion concentration of a solution prepared by dissolving 0.488 g of Mg(OH)2 in 236 mL of water? How do I solve this???

**health**

If an institutional review board is involved in a request for information, the information is likely sought by a what?

**Healthcare Legal Concepts**

Explain the role that a health information technician may play in the judicial process. I am not asking for the answers but a good place to look

**Chemistry**

Name and describe two colligative properties that are affected by solute concentration, then list whyone would be affected in that manner. So this is what i put for my answer Lowers freezing point: Each additional level of molal concentration lowers the freezing point. The fre...

**math**

Use long division to find the quotient below. Enter your answer as a polynomial in descending order, using the caret ( ^ ) for exponents; for example, enter x2 as x^2.(x2 + 10x + 21) (x + 3)

**chemistry**

when using the VSEPR Theory what is the shape of a molecule that has two bonded atoms and no lone pairs

**Business math**

$50,000 loan at 9% for 7yrs. What would be the unpaid balance at the end of the 6th year?

**Chemistry**

How do I calculate the amount of grams of Na2HPO4 and NaH2PO4 to prepare 200 mL of a buffer with an 8.25 pH so the sum of the concentrations of HPO4 and H2PO4 ions is 0.5 M? Does this involve writing a Ka expression and equilibrium? I am confused and Thanks for your help!

**Chemistry**

Sorry I don't know how it posted twice! Oops! :-)

**Chemistry**

How do I calculate the amount of grams of Na2HPO4 and NaH2PO4 to prepare 200 mL of a buffer with an 8.25 pH so the sum of the concentrations of HPO4 and H2PO4 ions is 0.5 M? Does this involve writing a Ka expression and equilibrium? I am confused and Thanks for your help!

**chemistry**

This is a verbatim question on my final review for 2nd quarter College General Chemistry and it didn't make any sense to me so that is why I decided to post and ask for assistance. You not knowing either doesn't make me feel any more confident in my ability to pass thi...

**chemistry**

How many grams of water are required to dissolve 27.8g of NH4(NO3)(MM=80.05 g/mol)to make a 0.500M solution?

**Math**

oh, ok thanks!

**Math**

Ok so you're supposed to solve the system by method of substitution. And the problem is: -2/3x + y = 2 2x - 3y = 6 So i put y= 2/3x into the second equation which looks like: 2x - 3(2/3x + 2) = 6 and then 2x-2x-6=6 So like everything cancels out? So then what do you put as...

**Chemistry**

If 25 grams of CoCl2•H2O,2 being the subscript of cl and the h, was heated to constant weight. What mass of anhydrous salt would remain?

**literacy**

When choosing your search strategy for a search engine, it's best to

**Chemistry**

This is a lab I have, but have no clue what to do. Please do out the steps so i can understand. Reactions and Data: NaOH(s)--> Na1+(aq)+ OH1-(aq) (Heat of solution of NaOH) This reaction involves adding solid NaOH to water and watching the temperature change as it dissolves...

**Chemistry**

For the following reaction: 6ClO2 (g) + 3H2O (l) = 5HClO3 (l) + HCl (g) If a chemist wants to make 55.0 g of HCl, how much ClO2 is needed?

**Chemistry**

For the following Reaction: 2AgNO3 + CaBr2 = 2AgBr + CaN2O6 If a chemist starts with 12.0g AgNO3, how many grams of CaBr2 must be added to use up all of the AgNO3?

**Chemistry**

For the following reaction: Al2(SO4)3 + 6NaOH = 2Al(OH)3 + 3Na2SO4 How many moles of Na2SO4 can be made with 3.2 moles of NaOH and excess Al2(SO4)3?

**Chemistry**

In the reaction between aluminum and hydrochloric acid, how many moles of hydrogen gas would be liberated when 3.612E-2 grams of aluminum are treated with excess hydrochloric acid? Moles of hydrogen gas liberated = mol The atmospheric pressure was measured to be 0.9666 atm and...

**Chemistry**

In the reaction between aluminum and hydrochloric acid, how many moles of hydrogen gas would be liberated when 3.612E-2 grams of aluminum are treated with excess hydrochloric acid? Moles of hydrogen gas liberated = mol The atmospheric pressure was measured to be 0.9666 atm and...

**Math **

Mr.Santiago brought 10 crates of oranges. There were 50 oranges in each crates. He sold 65% of them. 8% of the remainder went bad, and he threw them away. A) How much money did Mr.Santiago earn if he sold the oranges 5 for $1.20 B) If he made $24.15 by selling the rest of the ...

**social studies**

Forecasts of economists have.....1. overestimated inflation 2. underestimated inflation 3. generally been accurate on inflation 4. been less accurate than forecasts of economic growth 5. been as accurate as those for economic growth

**Chemistry**

In one experiment, the mass of water is 92.6 grams, the initial temperature of the water is 67.6oC, the mass of liquid nitrogen added to the water is 61.4 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 35.6oC. Specific heat of water ...

**Chemistry**

Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 13.1 g sample of ethanol initially at a temperature of 11.1oC. The specific heat of ethanol is approximately constant at 2.44 JK-...

**Composition and communication **

Using the internet, find two examples of what you consider biased writing about the effect of videogames on children?

**HISTORY **

What are the main differences between the Shiites and the Sunnis?

**Media influences on American Culture**

I just need to know how to start a final paper on a culturally influential,on television show, movie, song or website

**Media Influences on American Culture**

How do i go about doing this assignment. Thats not what i wnated you to do. I was trying to tell you what i needed to do

**Media Influences on American Culture**

Take the role of Director of marketing for WhizBang Games as it evaluates various forms of Social media in helping to create a "buzz" around the latest game, Master Dynasty; a social game

**composition and communication1**

I think the feedback from writepoint was very helpful to me because it explains to me what i did wrong and how to fix your mistakes. It also tell you where to put correct punctuation. One mistake that i have learned is to write out the number under 1o. Dont use to much wordine...

**composition and communication1**

Can somebody please help me write 150 words on feedback from writpoint I"ve got this so far I think the feedback from writpoint was very helpful to me because it explains to me what i did wrong and how to fix my mistakes. It also tells where to put correct punctuation.

**composition and communication 1**

Can you help me on the writing elements please

**composition and communication 1**

I think number 1 is effective because everyone needs to have a will before they die. If you dont have a will nobody gets your stuff. And #3 because people now days are being denied credit all the time.For too many reasons

**composition and communication 1**

Heres #1 a lot of people dont have wills. Everyone needs a will, but not all people have one. Wills are important because they explain who gets your stuff ater you die. you dont wnat your things going to someone you dont want them to go to. My Aunt Martha went to a lawyer to g...

**composition and communication 1**

maybe im not understanding it

**composition and communication 1**

because the other paragraphs talk about wills and credit scores and avoiding and managing debts

**composition and communication 1**

yes its more effective do to the situation of the ecomomy we are in today. The paragraph should include more information on how someone is drnied credit

**composition and communication 1**

they is 5 paragraphs but im suppose to identify which 2 paragraphs was more effective, focusing on the writing elements rather than the opinions presentes. i didnt want to have to type all 5 paragraphs

**composition and communication 1**

Indiviuals can be denied credit for a number of reasons, Individuals who are near limit on existing cards, have to much outstandind debt or too many accounts overall, have a history of a late payments, charge off or bankruptucy are likely to be denied credit. Individuals denie...

**composition and communication 1**

please if anyone can help me on this assignment. That would be so awsome. I have to identify which of the two selected pharagraphs was more effective, focusing on the writing elements rather than the opinions presented

**Pre Algebra**

I am doing an ice cream cone project for math on cones and had to figure out the surface area for them, but there is a question that is "how to the surface and lateral area of each relate?" my teacher said you will see a pattern but i dont. i.e. sa= 13,293.5 and la= ...

**math**

Gillen has 30 vehicles, some are bicylces and some are cars. These vehicles have a total of 88 wheels. How many bicycles would there be?

**chemistry**

given the reaction 4NH3 + 3O2 =2N2 + 6H20 how many moles of N2 would form if 2.77 moles of NH3 reacted completely?

**chemistry**

given the reaction 4NH3 + 3O2 =2N2 + 6H20 how many moles of N2 would form if 2.77 moles of NH3 reacted completely?

**english**

It’s time for a road trip! You are going to a major concert festival in another state and have found a lift there on a ride board through the concert web site. There are three other people sharing the ride with you, each from a different background and with a different r...

**english**

i have already tried those links i have been searching the internet everywhere and havent found very much thanks though!

**english**

i need help with this english essay i'm writing. I need help finding some pathos, ethos, and logos for the book lord of the flies.

**Math**

Find the exact number of cubes measuring 3 Cm. on an edge that will fill a box shaped like a rectangular prism that measure 24 cm by 18 cm by 9 cm

**Physics**

Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 66 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera- tion of the Earth during the student’s fall.

**english**

prosective of a paragragh

**Calculus**

Does f(x)= 1 + cos(x), have an inverse or not, if so, what is the inverse? please explain.

**statistics**

A sample of n=5 scores has a mean 50. Another sample has n=10 scores and a mean of 60. If the two samples are combined, will the combined sample mean be greater than 55

**writting**

In Stephen Kings essay "Why We Crave Horror" what are some hasty generalizations, facalies, and use of logos?

**statistics**

The average age of evening students at a local college has been 21. A sample of 19 students was selected in order to determine whether the average age of students had increased. The average age of the students in the sample was 23 with a standard deviation of 3.5. Determine wh...

**PLEASE HELP Chem**

Please tell me if these are right. 1.According to Le Chatelier’s principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a. 2NH3(g) < = > 3H2(g) + N2(g) B. N2(g) + O2(g) <= > 2NO(g) C. 2NO2(...

**Chem**

Please tell me if these are right. 1.According to Le Chatelier’s principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a. 2NH3(g) < = > 3H2(g) + N2(g) B. N2(g) + O2(g) <= > 2NO(g) C. 2NO2(...

**sociology**

Yep it's now 2013 & I have the same assignment in week7 & I am confused on it as well. :(

**Chem**

could you tell me if these are right and help me with the other 2 I cant seem to get them to come out. Calculate the pH of each solution given the following [H3O+] or [OH -] values. (a) [H3O+] = 1.5 10-8 M 1.0E-7 is what I got (b) [H3O+] = 5.3 10-6 M (c) [OH -] = 4.8 10-2 M I ...

**Chemistry**

I was just wanting to make sure I did these right. How many grams of solute are in each of the following solutions? a.) 2.5 L of 3.0 M Al(NO3)3 solution. for this one I get 1600 g of Al(NO3)3 b.) 75 ml of 0.5 M C6H12O6 solution. and for this one I get 6.8g of C6 H12 O6 How man...

**math axis of symmety**

What is the equation of the axis of symmetry of the graph with the order pairs of (-2,0) and (6,0). How would I do this since? I thought perhaps I could do -2+__=6 which would be 8 then 8/2 =4 so x=4 my brother says I'm suppose to do 6-2=4/2=2 so x=2 who's right or are...