Saturday

May 30, 2015

May 30, 2015

Total # Posts: 301

**Statistics**

Mary has a savings account and is earning 10% annual interest compounded semi-annually. If she deposits $2,000 in the account every six months for three years, what will the future value of her account be? How much interest will she have earned?
*May 20, 2015*

**Chemistry**

The soda was found to have a sugar concentration of 9.6% (wt./vol.). How many teaspoons of sugar are in a can of soda? (One can is 12fl.oz or 355mL) (1 teaspoon is approx. 4g)
*April 27, 2015*

** college math**

Write each ratio or rate as a fraction in simplest form. l 1/2 to 3/4 That's One and one half to three fourths I think the answer is 2/1
*April 23, 2015*

**college math**

sorry forgot to give the figures 3.32 divided by 4 x 10 round to nearest thousandth if necessary I have 8.3
*April 23, 2015*

**College math**

Perform the indicated operations. Round division answers to the nearest thousandth if necessary. I have the answer 8.3, did not think you needed to round the thousandth.
*April 23, 2015*

**Microbiology **

I have an unknown culture that began as a yellow broth on Day 1. However, 18 hours later, after incubation, the broth turned pink. Any idea of what organism(s) this could be?
*April 16, 2015*

**government**

Approximately _____ of the country's adult population has internet access. a. one-third b. two-thirds c. one-quarter d. three-quarters I am guessing d. the others seem to low. The book states that the number of U.S. internet users hit 194 million in 2008 (85 percent of ...
*April 9, 2015*

**government**

There are up to _______ judges on an appeals court, only ______ usually hear each case. a. 12;5 b. 12;3 c. 15;5 d. 15;3 I chose d. The book states that, that the United states is divided into 13 courts of appeals. There are 12 geographic circuits, and 1 U.S. Court of Appeals. ...
*April 9, 2015*

**grammar**

Though no vote ____taken, each delegate and alternate _____there. a.was, was b.was, were c.were, was d.were, were I chose a, because I think that each before delegate makes it singular. But I also think that and between delegate and alternate might mean it plural
*April 7, 2015*

**Chemistry**

You are amazing. I can't thank you enough!!
*April 6, 2015*

**Chemistry**

Calculate the solubility of Ag2CrO4 in a) 0.05M KClO4 b) 0.005M AgNO3 a) I have figured out: Ag2CrO4=2Ag- + CrO42- Ksp=1.12*10^-12. Ksp=[2Ag]^2*[CrO4] Ksp=(2x)^2(x) = 1.12*10^-12=4x^3= x=2.65*10^-5 (?) b)Ag2CrO4=2Ag- + CrO42- Ksp=1.12*10^-12. Ksp=(2[Ag-]+0.005M)^2*[CrO42-] 1....
*April 6, 2015*

**English**

What do these archetypes represent in our society? Hero Villain Mentors Rebel Faithful companion
*January 10, 2015*

**government**

Some might suggest that the Constitution favoured placing power in the hands of economic elites. Which of the following does NOT fit this argument? A. The Electoral College B. The election of senators C. The Tenth Amendment D. The presidential veto I think D-don't think ...
*January 6, 2015*

**government**

sorry, A. should have been federal;federal
*January 6, 2015*

**government**

A shift towaard cooperative federalism was evidenced by President Obama's support of the stimulus bill that included temporary_______funding for_______functions such as education and public safety. A.federal;state B.state;state C.state;federal D.federal;state I think D; ...
*January 6, 2015*

**Phsyics**

how fast will a sled go on a 30 degree snow covered hill? how fast will a sled go steep 60 degree angle? how fast would a sled go on a 40 degree angle?
*January 6, 2015*

**Government**

The top 1 percent of the American population possesses what percentage of the nation's wealth? A. 20 B. 27 C. 33 D. 39 The book says that the top 5 percent of the American population gets more than 21 percent of the national income. I'm thinking maybe c
*January 5, 2015*

**Government**

I actually had figured that -but the more than 100 million Head Start kids confused me-since 114 is more than 100 million-Thanks
*January 5, 2015*

**Government**

sorry should have been enrolling more than 100 million children in Head Start programs
*January 5, 2015*

**Government**

The cost of the Iraq War, as of June 2009, equals: A. Giving 32 million four-year college scholarships B. enrolling more than 100 children in Head Start programs C. building 5 million new public-housing units D. either A or B is correct The books says that 114 million kids in ...
*January 5, 2015*

**Values Education**

How do I interpret a drawing that has a winner and a girl scout in it if our topic was being special and happy about yourself
*November 17, 2014*

**physics**

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A) if the coefficient of ...
*October 22, 2014*

**please help physics!!!!**

How would i find the acceleration?
*October 21, 2014*

**please help physics!!!!**

Two dynamics carts are placed end to end. Cart 1 (1.2 kg) is stuck to cart 2 (1.8 kg). Cart 1 is pushed with a force of 18.9 N (west),causing cart 1 to push cart 2 forward. Ignore the force of friction. Calculate the acceleration of each cart Calculate the force that cart 1 ...
*October 21, 2014*

**Math**

Write a paragraph proof of this theorem: In a plane, if two lines are perpendicular to the same line, then they are parallel to each other
*October 14, 2014*

**Math**

Write a paragraph proof of this theorem: In a plane, if two lines are perpendicular to the same line, then they are parallel to each other.
*October 13, 2014*

**Math**

Write a two column proof. Given: 7y = 8x - 14; y = 6 Prove: x = 7
*September 29, 2014*

**bush**

if a concert ticket cost 48 dollars that is 6 times more then a circus ticket
*August 28, 2014*

**math**

what is the derivatice of 3x-4/4x+2
*July 10, 2014*

**bio**

The probability that their baby will be a carrier of the gene for PKU is (A) ___3/4_______. The probability that their baby will be affected by PKU is (B) __________. If both genotypes were Pp, the probability that their baby would be affected by PKU would be (C) ___1/4______...
*May 30, 2014*

**biology plz help**

Holly knows from talking with Renee that genes control traits and are determined by the sequence of nucleotides. When that sequence of nucleotides is altered for some reason during DNA replication, it can lead to the gene being expressed in a different way or to a genetic ...
*May 27, 2014*

**bio please help Dr. Wycowickz**

Renee was studying the process where DNA is copied so that dividing cells each get a full copy, but she was having some trouble keeping it all straight. She knew that DNA had to be unwound like a zipper in order to be copied. Once separated, each strand can be a template for ...
*May 26, 2014*

**bio please help Ms sue**

okay Thank you though
*May 26, 2014*

**bio please help Ms sue**

DNA is copied by an enzyme called DNA (A) __________, and the process of copying DNA is called (B) __________. The two new double-stranded DNA molecules have one strand from the original DNA molecule and one strand from the freshly assembled strand of nucleotides. This is ...
*May 26, 2014*

**BIO**

Which gamete, the egg or sperm, determines if Holly and Edward will have a boy or girl? (A)__________ If in the future Holly and Edward have three boys, what is the probability that their fourth child will be a girl? (B)__________ MY FIRST ANSWER IS SPERM NOT SURE ON THE ...
*May 26, 2014*

**please help**

okay miss Sue it must be Less, osteoblasts
*May 25, 2014*

**please help**

my answer is More, osteoclasts am i correct
*May 25, 2014*

**please help **

As you exercise, bones become __________ dense. This is because the process of bone remodeling allows __________ to deposit calcium into your bones, making them stronger with regular exercise. Less, osteoclasts Less, osteoblasts More, osteoblasts More, osteoclasts
*May 25, 2014*

**please help **

A skeletal disorder referred to as a __________ occurs when two bones at a joint are no longer in contact with each other
*May 25, 2014*

**Geometry**

I am in Connections Academy. I already did that specific quiz...so I would need the questions
*May 1, 2014*

**computer literacy**

Google uses what strategy for matching web pages to your searching requests?
*April 27, 2014*

**Math**

1.71 is the answer
*April 19, 2014*

**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.
*April 16, 2014*

**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 ...
*April 16, 2014*

**Geometry**

Thanks to both of you
*February 12, 2014*

**Geometry**

Thanks
*February 12, 2014*

**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...
*February 12, 2014*

**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.)
*December 1, 2013*

**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?
*November 25, 2013*

**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 ...
*November 5, 2013*

**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) =
*October 22, 2013*

**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?
*July 15, 2013*

**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 ...
*July 9, 2013*

**soc 120**

Virtue ethics regards which of these as virtues
*May 30, 2013*

**Equation**

ok I was supose to do the opposite. I forgot. Thank you.
*May 16, 2013*

**Equation**

c/4 - 5 = 4 can you show me the steps?
*May 16, 2013*

**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 ...
*April 17, 2013*

**college math**

5u+2v=-15 3u+v=-8 Im not sure how to do this problem
*April 14, 2013*

**college math**

the perimeter of a rectangular traffic sign is 120 inches Also, its length is 6 inches longer than its width
*April 13, 2013*

**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 ...
*April 12, 2013*

**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 )
*February 20, 2013*

**tudor**

a number that is between 100 and less then 200 and the number is 19 times larger than its sum
*February 10, 2013*

**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
*January 29, 2013*

**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?
*January 27, 2013*

**math**

I dont understand how to do my math homework. 7 over 6. (-18 over 35)
*December 13, 2012*

**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 ...
*December 3, 2012*

**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...
*November 19, 2012*

**pattern help please??**

Ok thanks : ) I appreciate you guys here a lot!!!!!!!
*November 8, 2012*

**pattern help please??**

Thank you and what does Tn mean?
*November 8, 2012*

**pattern help please??**

write the next three terms and write a rule to describe the number pattern. .57, 0.66, 0.75, .084, ...
*November 8, 2012*

**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 ...
*October 31, 2012*

**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 ...
*October 31, 2012*

**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
*October 9, 2012*

**physics**

For the last part, mass stays the same regardless of location. Weight changes, mass stays the same.
*September 26, 2012*

**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 ...
*September 26, 2012*

**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 ...
*September 26, 2012*

**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?
*September 2, 2012*

**College Physics**

Convert 15.9 miles/hr to m/s
*August 26, 2012*

**physics **

How much energy is required to melt 0.1 kg of water (hfusion = 80 cal/g, hvaporiztion = 540 cal/g) at 0oC.
*July 31, 2012*

**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
*July 25, 2012*

**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???
*July 25, 2012*

**health**

If an institutional review board is involved in a request for information, the information is likely sought by a what?
*June 3, 2012*

**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
*May 29, 2012*

**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 ...
*May 26, 2012*

**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)
*May 10, 2012*

**chemistry**

when using the VSEPR Theory what is the shape of a molecule that has two bonded atoms and no lone pairs
*April 5, 2012*

**Business math**

$50,000 loan at 9% for 7yrs. What would be the unpaid balance at the end of the 6th year?
*March 27, 2012*

**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!
*March 11, 2012*

**Chemistry**

Sorry I don't know how it posted twice! Oops! :-)
*March 11, 2012*

**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!
*March 11, 2012*

**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 ...
*March 4, 2012*

**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?
*March 4, 2012*

**Math**

oh, ok thanks!
*February 15, 2012*

**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...
*February 15, 2012*

**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?
*February 14, 2012*

**literacy**

When choosing your search strategy for a search engine, it's best to
*January 16, 2012*

**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...
*December 31, 2011*

**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?
*November 14, 2011*

**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?
*November 14, 2011*

**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?
*November 14, 2011*