Monday

July 25, 2016
Total # Posts: 98,416

**Calculus **

The equation dy/dx = -6x^2/y gives the slope at any point on the graph of f(x). The range of f(x) is [0, infinity] and f(1) = 2. A. Find the equation of the tangent line to f(x) at the point (1,2). B. Write the function f(x). C. Determine the domain of the function f(x).
*April 23, 2016*

**Economics**

i need help too
*April 23, 2016*

**Math**

The one-dimensional displacement, s meters of a particle, after t seconds, is given by the function s=t(t-4)^2. (i) when does the particle have zero acceleration? (ii) where is the particle at this time and what is it doing?
*April 23, 2016*

**L. O**

do not let the medla know your views and your private stories
*April 23, 2016*

**Computer science **

How do I count how many arrays there is - what do I add to the code? I have managed to create 2 buttons and the top button works and changes the fruits into alphabetical order but the second button doesn't work - please help! <!DOCTYPE html> <html> <body>...
*April 23, 2016*

**life orientation**

I dont kown anything about t His help me plz
*April 23, 2016*

**AP Chemistry**

The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 642.3 torr at 64.7°C. What is the mole fraction of methanol in this solution?
*April 22, 2016*

**math**

The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 6, 5. a. What is the point estimate of the population mean?
*April 22, 2016*

**Math**

The intrinsic rate of increase (r) for northern elephant seals about 0.15 (per annum). We will assume that population regulation is linearly density dependent. a. If the carrying capacity of elephant seals at a recently recolonized island is 1000 adult females and the initial ...
*April 22, 2016*

**Calculus Help**

Evaluate lim x-->25 5 - square root x / x - 25 I don't get how the answer is -1/10
*April 22, 2016*

**Math**

The following equation has denominators that contain variables. for this equation write the value or values of the variable that make a denominator zero. these are the restrictions on the variable. keeping the restrictions in mind, solve the equation. 2/11x plus 1/4 equals 81/...
*April 22, 2016*

**stats**

A simple random sample of 30 items resulted in a sample mean of 15. The population standard deviation is σ = 8. Round your answers to two decimal places. a. What is the standard error of the mean, σx? b. At 95% confidence, what is the margin of error?
*April 22, 2016*

**Calculus I**

Awsome...thnx
*April 22, 2016*

**L.O**

identify 3 human rights violation or discriminations
*April 22, 2016*

**Math**

You do aops right? :)
*April 22, 2016*

** chemistry**

Disilane gas undergoes combustion to form solid silicon dioxide and water
*April 22, 2016*

**history**

The cities of New York, Baltimore, and Philadelphia began to become wealthy in the late-1600s because of what economic activity?
*April 22, 2016*

**life orientation**

answer only
*April 22, 2016*

**cal**

dy/dx=5x^2/8y^2
*April 22, 2016*

**Geometry **

A circle has a radius of 3 an arc in this circle has a central angle of 20 degrees what is the length of the arc
*April 22, 2016*

**Science**

17g of AgNo3 is trated with 25g of HCl. what is the mass of AgCl formed and what is the limiting reagent
*April 21, 2016*

**physics**

The Question is How many 75kg people can the elevator safely accomodate?
*April 21, 2016*

**math **

Write a real-world problem that describes the model 1/4 x 1/4
*April 21, 2016*

**Math**

A fraction is greater than 1/8 and less 1/4 the sum of its digits is 19 what is the fraction
*April 21, 2016*

**Math (Calculus)**

The function f(x)=-2x^3+10.2x^2+202.275x+0.87 is increasing on the open interval (?,?). It is decreasing on the open interval (-oo,?) and the open interval (?,+oo) The function has a local maximum at ? I used derivative -6x^2+20.4x+202.275 and find the root but it doesn't ...
*April 21, 2016*

**Math**

Enola's recipe for cookied calls for 2 1/2 cups of flour. If she wants to make 3/4 a batch of cookies, how much flour should she use?
*April 21, 2016*

**math**

what is 6*8 in the distributive propty
*April 21, 2016*

**Bio**

Ohh but how does the scientific name being unique make D the correct answer?
*April 21, 2016*

**Bio**

I really thought it was A because C was my second option. Because it shouldn't be D because the scientific name doesn't clearly give the identity of an organism (for example Ursus maritimus doesn't give out the identity) But it can't be C now that I look at it ...
*April 21, 2016*

**Bio**

Ohh
*April 21, 2016*

**Bio**

I'm not really sure. Because I don't think it's D or B so is it C?
*April 21, 2016*

**Bio**

What is an advantage of using an organism's scientific name rather then its common name? A.The scientific name is always given in the native language B.The scientific name is based upon the organism's kingdom and phylum C.The scientific name does not depend on any ...
*April 21, 2016*

**Bio**

Which of the following provides the raw materials for the genetic variations that play an important role in natural selection? A.Mitosis B.homeostasis C.cell differentiation D.Mutations D
*April 21, 2016*

**Bio**

A chinook salmon fish in alaska can produce between 2000 to 17000 eggs in a single spawning. Which principle of natural selection does this observation support? A.Overproduction B.Inherited variation C.struggle to survive D.Differential reproduction A
*April 21, 2016*

**Bio**

Bryozoans are coral like sea nimals These organisms first appeared in the fossil record about 140 million years ago and remained relatively unchanged for 40 million years. Then they experienced a great diversification Which process does this illustrate A.graduallism B....
*April 21, 2016*

**Bio**

Industrialization in England produced black soot that covered many tree trunks and branches. At the same time, the number of light colored moths in this part of the country decreased Why? A. The soot killed only light colored B.the light colored became extinct C.The light ...
*April 21, 2016*

**Bio**

If fossils were found in Layer C (sandstone) and Layer A (slate and siltstone), which fossil would be older and why?
*April 21, 2016*

**Bio**

Evolutionary relationships can be established by examining molecules such as the protein hemoglobin. Which process is responsible for making protein molecules A. translation B.replication C.photosynthesis D.mitosis A?
*April 21, 2016*

**Bio**

Succession involves one community replacing another. What must be true of each community that appers? A. the population are adapted to their environment B. the populations get larger as the next community is established C.the populations contain very simple life forms D.the ...
*April 21, 2016*

**Bio**

All organisms within any ecosystem have something in common All organisms share... A.the components that make up their genetic code B.the same oganelles C.the same method of obtaining nutrients D.the ability to reproduce asexually A
*April 21, 2016*

**Bio**

Is it the last one
*April 21, 2016*

**Bio**

.biome habitat .species population. community population .ecosystem biome
*April 21, 2016*

**Bio**

The environment can be arranged into different levels of organization Which of the following shows a correct sequence that proceeds from a smaller level of organization to a larger level? D
*April 21, 2016*

**Ecology**

For low density sea otter populations in the North Pacific Ocean, the overall annual per capita birth rate (b) is about 0.7 and the death rate is about 0.5. Birth rate is not density-dependent but death rate is density-dependent, such that d’ = d+cN (where N = number of ...
*April 21, 2016*

**English**

Please check!😘
*April 21, 2016*

**English**

8.furtive 9 punitive 10 condone
*April 21, 2016*

**English**

4 feasible 5 gape 6 precedent 7fiscal
*April 21, 2016*

**English**

1. Faign 2. Contemplate 3.pathetic
*April 21, 2016*

**English**

Please help!
*April 21, 2016*

**English**

Valerie took a (1)______ glance around her.When it seemed that no one was watching, she stuffed a blue shirt into the bottom of her purse and darted out of the women's department. She walked slowly around the shoe department for a while and then left the ...
*April 21, 2016*

**English**

I need help for final check: chapter 16
*April 21, 2016*

**Math**

What is the area 7cm by 4cm
*April 21, 2016*

**Chemistry - Answer Check**

Find the molarity given 1.5 Liters of solution containing 62.5 g MgO. - 1.03 M Mgo There are 0.32 Liters of a 2.5 M HF solution. How many moles and grams of hydrofluoric acid are there? - 0.8 mol and 16 grams
*April 21, 2016*

**math 1**

Factor the expression: 8p^2 + 56p + 98
*April 21, 2016*

**Life Orientation**

1
*April 21, 2016*

**math**

do prentices first then exponent which you don't have then multiplication and division in order and finally your addition and subtraction left to right
*April 21, 2016*

**math**

its 715
*April 21, 2016*

**math**

first multiply 102*7=714 then do addition and subtraction 714+3+4-6=115
*April 21, 2016*

**Precalculs**

Use matrices to solve x+ +2y+3z=7 -x+2y-z -x+y-2z=-2 I've tried many way cant figure out
*April 21, 2016*

**Math- Check my answers please!**

Fraxus is correct got 100%
*April 21, 2016*

**management**

According to Fiedler, the extent to which the work of subordinates is clear so that they know what to do and how to do it is known as
*April 21, 2016*

**math0**

If you pick a gumball at random, put it back, and then pick another gumball at random, what is the probability of picking a blue gumball then picking a yellow gumball?
*April 21, 2016*

**Statistics**

A coffee-dispensing machine is supposed to deliver 12 ounces of liquid into a large paper cup, but the costumer believes that the actual amount is less. As a test he plans to obtain a sample of 30 cups of the dispensed liquid. The mean of his sample is 11.5 ounces. The machine...
*April 21, 2016*

**wave optics**

A double slit arrangement is illuminated first with red, then with blue light. a. which one has wider fringes? b. which one produces more fringes?
*April 21, 2016*

**Language arts**

1 - c 2 - d 3 - a 4 - d Got a 100%
*April 20, 2016*

**Language arts**

Wow ms sue, Emily is right not ms sur👎🏼
*April 20, 2016*

**Math**

When rounded to the nearest hundredth which number equals0.61
*April 20, 2016*

**math**

Landy
*April 20, 2016*

**Us history**

The reconstruction finance corporation aimed to
*April 20, 2016*

**Math**

If a seed is planted, it has a 60% chance of growing into a healthy plant. If 6 seeds are planted, what is the probability that exactly 4 don't grow?
*April 20, 2016*

**Statistics**

A test has a mean of 150 and a student performed 1 standard deviation above the mean. What score did the student have on the test?
*April 20, 2016*

**Math**

If a seed is planted, it has a 65% chance of growing into a healthy plant. If 11 seeds are planted, what is the probability that exactly 1 doesn't grow?
*April 20, 2016*

**MATH**

I had this question similar to this 3 days ago it said'Kayla had 5 red cups 1 yellow 3 green 2 blue what was the possibility of green out of 100 i said 50 because that is half more than red
*April 20, 2016*

**english**

English is the opportunity language why border teach indigeneous language
*April 20, 2016*

**Advanced Chemistry**

he vapor pressures of several solutions of water-propanol(Ch3Ch2Ch2OH) were determined at various compositions, with thefollowing data collected at 45C: XH2O Vapor pressure (torr) 0 74.0 .15 77.3 .37 80.2 .54 81.6 .69 80.6 .83 78.2 1.00 71.9 a.) Are solutions of water and ...
*April 20, 2016*

**Pre Algebra**

1. -x^3+2x^2-3x+2 2. -x^2+3x+15 3. −2x2−2x+5 4. 7,-4 5. m^2+2 6. 6x^3+7x^2-x-5 7. 15t-4 8. f^8 9. 144^12 10. x^7 11. 4^3*4^4=4^12 12. 2^4*2^4>2^7 13.1 14. 1/8 15. 1.26x10^7 16.8.5x10-9 17. 64t10 18. -7x2+8x 19. −6k4−12k3+21k2 20. 2k2+k−3 21. &#...
*April 20, 2016*

**Pre Algebra**

So what order are the test questions?
*April 20, 2016*

**Pre Algebra**

Kelsey, your totally wrong I just failed. 1)d 2)b 3)a 4)a 5)b 6)a 7)c 8)a 9)c 10)d 11)c 12)d 13)a 14)a 15)b 16)c 17)b 18)d 19)a 20)d 21)a Trust me, you'll get 100% I just failed cause of Kelsey
*April 20, 2016*

**Pre Algebra**

Which polynomial does the model represent? –x³ + 2x² – 3x + 2 x² + x – 2 –x² – x + 2***** –x² + x – 2 Can someone please help me @Ms.Sue @Reed @WriteTeacher
*April 20, 2016*

**Chem**

How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 76.6 moles of water vapor?
*April 20, 2016*

**Geometry**

a pizza restaurant charges $10.00 for a large one topping pizza in the shape of a circle with a diameter of 14 inches. To celebrate the World Series, the resturant decides to bake a pizza in the shape of home plate. The dimensions of the pizza are shown. If the restaurant ...
*April 20, 2016*

**math**

A triangular traffic island has a base half as long as its height. The island has an area of 289 m2 . Find the base and the height.
*April 20, 2016*

**life orientation**

memorandum
*April 20, 2016*

**life orientation**

life orientation
*April 20, 2016*

**life orientation**

decribe three humans right
*April 20, 2016*

**life orientation**

Kiling of young children
*April 20, 2016*

**life orientation**

Piling of young children
*April 20, 2016*

**life orientation**

1.human rights violation discrimination
*April 20, 2016*

**life orientation**

Life orientation research
*April 20, 2016*

**life orientation**

I dont know the answer
*April 20, 2016*

**life orientation**

Gang violence.child abuse
*April 20, 2016*

**life orientation**

nnnnn
*April 20, 2016*

**life orientation**

Abuse human right
*April 20, 2016*

**Computing**

How can you count the number of items in the array - what do you have to add to this code? <!DOCTYPE html> <html> <body> <p>Click the button to sort the array.</p> <button onclick="myFunction()">Try it</button> <p id="...
*April 20, 2016*

**Brand packaging and design**

12. Rico and Liz are analyzing a project scope. Rico says they should consider the brand's message, identity, and architecture. Liz says they should consider the brand's hierarchy, sustainability, and the impacton the packaging design. Who is correct? A. Neither is ...
*April 20, 2016*

**science**

can you please tell me some alkalis you would have in your house xxx
*April 20, 2016*

**Math**

0-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the building does the ladder fall
*April 20, 2016*

**Math**

What is the probability that washing dishes tonight will take me between 11 and 14 minutes? Give your answer accurate to two decimal places. please help out
*April 20, 2016*

**Launguage Arts**

Read the damn novel and you will know
*April 20, 2016*

**Launguage Arts**

Which of the following passages from the novel Walk Two Moons best supports the story's theme of hope? 6. A: I asked if I could sit there for a little while, because I wanted to memorize the place B: in the midst of the still morning, with only the sound of the river ...
*April 20, 2016*