# Posts by Amanda

Total # Posts: 2,542

**calculus/finite**

I am taking an online finite math class, so I don't have an instuctor to sit down with me and help me. The text book is so hard to follow. One of the problems I have having a hard time with gives an initial tableau and asks us to use the simplex method to solve each ...

**8th grade math**

John has already saved $40 and wants to buy an I-Pod for $129 in 4 months. To find how much he should save each week he wrote the following equation: 40+16n=129.

**fundamentals of business**

Explain at least three ethical issues within today’s business environment that affect your community and organization

**college**

In traditional brainstorming, individuals or groups of people compile ideas on a topic, but do not evaluate or organize the ideas presented. In contrast, mind-mapping —also called concept mapping—visually places thoughts into categories. Resources: Appendix C, Steps ...

**geography**

Hello i have looked throughout my textbook and my question is cause i can't find it farmers in southeast Asia have adapted to the dry climate of the region by... A.Building Dams and irragation systems B. covering Large ares with forests. C. becaoming nomads who searching ...

**antonyms**

I NEED THE RESULT FOR NDRVR

**Physics**

Can someone please help me with the following 2 questions? I wasn't sure if I was grasping the whole idea. **Consider a baseball that is caught and then thrown at the same speed. Which case illustrates the greatest change in momentum, which requires the greatest impulse: ...

**Child care**

The answer is B

**trig**

when a vehicle is manufactured,its wheels are calibrated to rotate a specific number of times for given speeds with "standard" tires. Suppose a small pickup has standard tires with a radius of 14 inches. You decide to replace those tires with ones which have a radius...

**college chem**

calculate the density of O2 gas( in g/L) at 1.22 atm and 25 degrees C

**math**

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

**math**

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

**math**

solve by substitution method. 5x + 6y =5 x = 40 -9y first I rewrite to y=mx+b I get: 6y=5x+5 -9y= x +40 after that I am lost..... can someone please help me??

**math**

can someone please check my answer? the answer I got was s= -69/-21 or 3.28

**math**

Solve by elimination method. 2r-5s=-33 5r+2s=48

**math**

can someone please check my answer? the answer I got was s= -69/-21 or 3.28

**math**

Solve by elimination method. 2r-5s=-33 5r+2s=48 I keep getting different answers... I can never get these right.... so first I multiply the first equation by 2 and the second by 5?

**Biology**

We are looking at hyperaccumulating plants, and I wanted to know what happens to the heavy-matals in the plant when the plant dies. Do they go back into the soil as a contaminant, do they simply "leave" as non-toxic elements etc? If you could help me that would be ...

**Practical Exercise(Floral Design)**

which of the following could not be used as filler for this arrangement

**Practical Exercise(Floral Design)**

which of the following could be used as line flowers for this arrangement.

**checking answers 4 algerbra**

SOLVE USING ADDITION AND MULTIPLICATION PRINCIPLE 6X-7<-25

**Science**

the cause is xylem dries up and dies, what is the effect? this is for my chapter of plant transport system

**Calculus (derivatives)**

Find the derivative of cos^2(4x)

**child**

The answer is C.

**math**

Afarmer must purchase 100 animals. He must spend exactly $100. He must have at least one of each animals. Sheep cost $.50, cattle cost $1.00 and horses cost $10

**socieconomics**

Methods of maintaining peace & unity in bi-national multinational and multiethnic states?

**science**

hurricanes in the northern hemisphere always travel north while hurricanes in the southern hemisphere always travel south. This is due to the earths _______ and is called the ________ ________. can you help me fill in the blanks

**Chemistry**

I need help setting up this problem. How many milliliters of 0.203 M KMnO4 are needed to react with 3.64 g of iron(II) sulfate, FeSO4? The reaction is as follows. 10 FeSO4(aq) + 2 KMnO4(aq) + 8 H2SO4(aq) → 5 Fe2(SO4)3(aq) + 2 MnSO4(aq) + K2SO4(aq) + 8 H2O(l) Thanks

**Physical Science**

Two tuning forks are struck at the same time. One tuning fork has a frequency of 20 Hz while the second tuning fork has a frequency of 226 Hz. How many beats will result?

**Physics**

you slide a 325-N trunk up a 20.0 degree incline plane with a constant velocity by exerting a force of 211 N parallel to the incline plane a)what is the component of the trunk's weight parallel to the plane ? b)what is the sum of your applied force ,friction and the ...

**Social**

What are the three roles of the individual in a market place?

**physics**

How do the acceleration vectors differ on opposite sides of the path for un iform circular motion? How are they the same?

**college phyiscs**

A car starts from rest on a curve with a radius of 160 m and accelerates at 1.80 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.20 m/s^2?

**chem**

If 50.0 mL of a 0.10M solution of sodium chloride is mixed with 50.0 mL of 0.10 M magnesium chloride, what is the molar concentration of chloride in the resulting solution?

**science**

what is the last skill i have inference predition obsevation and classification?

**chemistry**

Concentrated ammonium hydroxide (aq ammonia) has a density of 0.90g/mL and is 28% by mass ammonia. Determine the molar concentration of ammonium hydroxide.

**Geometry**

I really need help with this. Explain how the formula for the area of a triangle can be determined by using the formula for the area of a parallelogram.

**Chemistry**

i got the mm of CaH2 to be 42.096 and the two moles of H2O to be 36.032. This means that CaH2 will be left over correct?

**Chemistry**

CaH2 is so reactive with water that it can be used to "dry" solvents other than water. If a sample if solvent that contains a total of 14g of water is added to 24.6g of calcium hydride, which of these will remain after the reaction is complete: water or calcium ...

**Physics**

At what altitude above the Earth's surface would your weight be three-fourths of what it is at the Earth's surface? Assume re = 6.371 10^3 km.

**social studies**

i forgot this name the 4 england colonies i need help plz tell me

**chemistry**

if a barium ions Ca2 plus have a charge of 2 plus and hydroxide ions C11-have a charge of 1-,the compound calcium chloride is

**Chemistry**

Thanks so much. These examples really help me out.

**Chemistry**

A sample of sandstone consists of silica, SiO2, and calcite, CaCO3. When the sandstone is heated, calcium carbonate, CaCO3, decomposes into calcium oxide, CaO, and carbon dioxide. CaCO3(s) → CaO(s) + CO2(g) What is the percentage of silica in the sandstone if 19.2 mg of ...

**chemistry.**

should be D: C2H4 and C3H6 both give you the ratio 1:2

**ethics 125**

Ms.Sue, are you suppose to be a teacher? how can you refuse to answer this question on Orientalism if you are a real teacher. This is a psychology class asking this question and it must be to hard for you to understand why they ask questions like this.

**biology**

create a mnemonic for the 6 kingdoms they maybe in any order but you must have all 6

**Criminal Justice**

why organization is important to the effectiveness of the police department. Topics include the following: area purpose and time

**Pre-Algebra**

1.33-I 2.-26-E 3.40-S 4.-69-R 5.-16-E 6.12-H 7.-82-E 8.33-I 9.72-S 10.-43-S 11.99-T 12.-73-L 13.76-I 14.181 The_whirl_series only catch is U have to show fake work hahahahah!!!!!!

**Algebra**

show me how to work 9(3-2)+3(5+8)

**math**

if i was to draw three circles 1 large 1 med. and 1 small what will be the diameter and the perimeter of those 3 ?

**human life**

i want pictures of the 8 stages of the human life cycle

**American Lit**

I am reading John Winthrops "A Model of Christian Charity" and the question I need help with is as follows... Define Christian Charity?

**Math**

-12x=3(y-3)

**9th Algebra**

Im in 9th grade algebra. and we are learning adding and subtracting real numbers. im stumped on a couple of problems. I get confused when i see the absolute value lines. Does that change the munber? Do i just go on with the problem as if they werent there? And i have NO idea ...

**algebra**

Im in 9th grade algebra. and we are learning adding and subtracting real numbers. im stumped on a couple of problems. I get confused when i see the absolute value lines. Does that change the munber? Do i just go on with the problem as if they werent there? And i have NO idea ...

**Science**

Excuse me, I thought I wrote exactly what I needed to. Please accept my stupidity. Anyway, the problem is overpopulation and the nonliving and living factors that contribute to or are affected by the problem.

**Science**

I have to write a 1750 word paper for my science class and can not find any info on this, Nonliving and living factors that contribute to or are affected by the problem. Can anyone give me any web pages to go to and find info?

**American Democracy**

c or d

**SS**

I guess she just needs to pick any area then because the sheet does not say either way.She just has a list of words and draw a picture for your SS words wrote down.So thank you I will have her pick an area

**SS**

My 4th grader needs to draw a picture for her SS words we are having trouble with the word "Region" if anyone can help I thank you in advance.

**algebra**

For all x > 0, 2x^2+14x+24/x+4 simplifies to what?

**Scholarships**

I am applying for a scholarship that requires a 250 word essay on a topic of my choice. What kind of topics should i consider?

**french**

The first one might be "salades" like "des salades" :p

**US History**

Merci beaucoup Madame! Bonne semaine!

**US History**

What events triggered the Civil War and what effects did it have on the nation? I need three. So far I have slavery and secession. Thank you!

**physics**

How is the brightness of light affected by distance from the light source?

**10th grade**

Yea

**History**

Looking at how Mikhail Gorbachev’s policies changed the Soviet Union, would you consider him a patriot, or in a sense, a subversive? Explain your answer.

**algebra 1**

I'm doing a powerpoint for math, and one of the word problems involve arithmetic sequences. Can someone just type the "a sub n" and "a sub 1" "a sub 7" so that I can copy and paste onto my powerpoint? Or can you sow me how to find it? Thanks!

**math**

An amusement park purchased equipment from a manufacturer for a list price of $42,000, minus trade discounts of 30/20/15. Calculate the amount of the trade discount on the purchase. A. $19,992 C. $23,520 B. $22,008 D. $29,400 could someone help me understand how to solve this ...

**math (fractions)**

Subtract the fraction 7 4/5 from the fraction 18 6/15 and reduce your answer to lowest terms. A. 11 9/15 C. 10 12/15 B. 11 1/5 D. 10 3/5 D is this correct?

**MATH**

find the equation of the line that passes through the points (0,3) and (-3,7).

**Physics**

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.41 × 10^6 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 5.15 × 10^−11 m. Answer in units of N. Find the centripetal ...

**Physics**

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.41 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 5.15 × 10−11 m. Answer in units of N. Find the centripetal ...

**MATHS**

Here are the rules: 1. All non-zero digits are significant. Example: '123.45' has five significant figures: 1,2,3,4 and 5. 2. Zeros appearing in between two non-zero digits are significant. Example: '101.12' has five significant figures: 1,0,1,1,2. 3. All zeros...

**Physics**

Ans in revs. The tub of a washer goes into its spin- dry cycle, starting from rest and reaching an angular speed of 5 rev/s in 10.5 s . At this point the person doing the laundry opens the lid, and a safety switch turns off the washer. The tub slows to rest in 5.6 s . Through ...

**Records management**

I am doing a powerpoint presentation and was wondering if you could help me find some information for the following: Steps for handling clinical data a doctor needs to see, steps for handling administrative data that a doctor does not need to see, where to store temporary and ...

**Chemistry**

A chunk of 0 C ice, mass 145g, is dropped into 75g of water at 62 C. The heat of the fusion of water is 335J/g. What is the result after thermal equlibrium is attained?

**Chemistry**

How many kilojoules are required to change 85g of water at 25 C to steam at 100 C?

**Chemistry**

What is the heat of fusion of water?

**5th grade math**

-10

**History**

Is the Age of Exploration a social event or a cultural event?

**science**

i am made of anything but nothing i am neither large or small without me there would be no sound wherever you go i can be found what am i

**Health**

The portion of the nervous system that controls involuntary activities is a subdivision of the _______ nervous system. A. sympathetic C. peripheral B. central D. parasympathetic (c)

**Health**

Thank you!

**Health**

The endocrine system is composed of glands that secrete hormones directly into the bloodstream. Which one of the following processes is performed by the endocrine system? A. Secretion of hormones from cells B. Breakdown of hormones into simpler molecules C. Transport of ...

**Health**

Do you know of any websites that tell about the processes that are performed by the endocrine system?

**Health**

I pretty sure the answer is Bone now. Thanks!

**Health**

A man is shot in the head, and the bullet stops just outside the dura mater. What is the innermost layer that the bullet has penetrated? A. Skin C. Fat B. Bone D. Periosteum The dura mater is a thick, tough membrane that contains channels for blood to pass into the brain ...

**Health**

Thanks Jen!

**Health**

How do states handle access to non-identifying information for a party to an adoption? A. All states allow access to such information to anyone interested in it. B. All states allow an adoptive parent or a guardian of an adoptee to access the information. C. No state has the ...

**Health**

Thanks Ms. Sue!

**Health**

Which one of the following factors would be considered de-identified information? A. Patient name: Charles Logan B. Patient policy number: 65388296531 C. Social Security Number: 555-55-5555 D. Patient condition: improved breathing with new medication I've chose D but not ...

**Health**

Which one of the following activities is considered part of health care operations? A. Reviewing the competency of health care workers B. Administering a stress test C. Giving a patient her prescribed medication D. Recording a patient’s blood pressure and temperature I ...

**Health**

What is a doctor’s responsibility if a patient requests restrictions on the use of his or her PHI? A. The doctor must comply with the patient’s wishes. B. The doctor need not comply with the patient’s wishes if HIPAA would otherwise permit restrictions. C. The ...

**Health**

Thanks!

**Health**

Would it be health insurers?

**Health**

The Genetic Information Nondiscrimination Act applies to A. life insurers. C. disability insurers. B. health insurers. D. accident insurers Could you check my answer please? The Genetic Information Nondiscrimination Act of 2008 was adopted in May of 2008. This act is designed ...

**Circles (Conic Sections)**

I have no idea how to do these problems: Find an equation of each circle. 1. Center (3,5); tangent to the x axis 2. Center (5,-3); tangent to the y axis 3. Tangent to the x axis, y axis, and the line y=5 (two answers) I just really need help understanding how to do this.