Saturday

April 19, 2014

April 19, 2014

Total # Posts: 179

**chemistry HELP plz!**

Yeah, it's B. 31P

**English**

Early in the story, London writes "The animal was depressed by the tremendous cold. It knew that it was no time for traveling". This passage alerts you to possible trouble ahead. Locate four other passages that foreshadow later events. Explain the link between each p...

**Math**

It's pretty much like this: log3 729= x 3^x= 729 3^x= 3^6 x= 6

**Math**

Ah. I see. I understand now. Thank you very much, Steve.

**Math**

Evaluate the logarithm log3 729

**Math**

Write a rule for the nth term of the geometric sequence. Then find a7. 1. 7, -4.2, 2.52, -1.512, ...

**science**

(1.00e5 kg (NH4)2SO4 / 1) * (1000 g (NH4)2SO4 / 1 kg (NH4)2SO4) * (1 mol (NH4)2SO4 / 132.1402 g (NH4)2SO4) * (2 mol NH3 / 1 mol (NH4)2SO4) * (17.031 g NH3 / 1 mol NH3) * (1 kg NH3 / 1000 g NH3) = 25777.16698 kg NH3. Your answer will be 25800 kg NH3 in significant figures way.

**English**

That death is part of nature and man cannot stop it. If man were able to fight death, the man in the story would have been able to rebuild the fire and survive, but nature as fate prevailed by taking his life. This story also shows man's reliance on nature to survive, and ...

**English**

How is the story "To Build a Fire" by Jack London a good example of Naturalism?

**Math**

Still not showing it. It's in the form of an E.

**Math**

Sorry it would show the sign, but it's the sigma sigma sign and it kind of looks like an E. Some like this: ‡”

**Math**

Find the sum of the geometric series. 10 1. Ó 5(2)^i - 1 i= 1 12 2. Ó 8(3/2)^i - 1 i= 1

**math**

Tell whether the sequence is geometric. Explain why or why not. 1. 4, 16, 64, 256, 1024,... 2. -1/4, 3/8, -3/16, 1/32, -3/64, ... 3. 0.75, 1.5, 2.25, 3, 3.75, ...

**Math**

Larry & Willa are each reading the same book. Larry has read 2/3 of the book. Willa said that she has read 4//6 of the book, so she read more. Is Willa correct? Explain?

**Math**

Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them. • The first cube originally had 27 small cubes, but the tunnel removed 3 cubes. • The second cube originally had 64 small cubes, but two straight tunnels, 4...

**math**

80 min

**Math**

4.3

**Biology**

The problems of survival of animals on land are very different from those of survivial of animals in an aquatic environment. Describe four problems associated with animal survival in terrestrial environments but not in aquatic environments. For each problem, explain an evoluti...

**algebra**

-3/5

**american history**

Plagiarize isn't good. You need to try it yourself. Plagiarizism won't get you anywhere in life.

**Math**

Thank you very much!

**Math**

Make a picture of: a model of the earth, a stop sign, a dinner plate and a clock. Which one doesnt belong? Why?

**Math**

How could you describe a cylinder to someone who has never seen one?

**physics**

a jogger runs with a veloicty of 6km/h (25 degrees N of W) for 35 min and then changes direction, Jogging for 20 min at 4.5km/h (65 degrees E of N). Using the parallelogram method for vector addition, determine the joggers total displacement and his average velocity for his wo...

**math**

y*x=30 I need super help please

**math**

Thank You SOOOO much!!

**math**

n+9=64 i need help answering this PLEASE

**calculus**

A street light is at the top of a 20 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 6 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 35 ft from the base of the pole?

**calculus**

Water is leaking out of an inverted conical tank at a rate of 1600.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 10.0 meters and the diameter at the top is 3.5 meters. If the water level is rising ...

**calculus**

Water is leaking out of an inverted conical tank at a rate of cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height meters and the diameter at the top is meters. If the water level is rising at a rate of cen...

**physics**

two boys on ice skates hold a rope between them. One is heavier than the other. The light weight boy pulls on the rope. how will they move and who will move faster?

**Physics**

an Ampere is the flow of 6.28 X 10^18 electrons per second past a fixed point in a conductor. how many flow past a fixed point if the current is 17.5 mA?

**geometry**

A person 6 ft tall is standing near a treet light so that he is 4/10 of the distance from the pole to the tip of his shadow.How high above the ground is the light bulb? If the persons head is exactly 5ft from the light bulb how far is the person from the pole,and how long is t...

**geometry**

A 30-lb child is siting at A(2,3) and a 50-lb child is at B(12,7) where units are feet .Find the point P between A and B which could be used as the fulcrum of a teeter board putting the two children in equilibrium. 30 AP=50 PB or (AP/PB)=5/3

**geometry**

A point p(x,y) is on the line through A(-4,4) and B(5,2).Find (a) the coordinates of P given that the segment AB is extended through B to P so that P is twice as far from A as far from B,and (b) the coordinates of P given that AB is extended through A to P so that P is three t...

**math**

how do i get the common denominator for 3 4 5 6 and 7?

**statistics**

1. A researcher is interested in comparing the effectiveness of three different kinds of therapy for anger problems. Eight participants are randomly assigned to three treatment conditions: Cognitive Therapy (CT), Cognitive-Behavioral Therapy (CBT), and Interpersonal Therapy (I...

**Chemistry**

A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard solution is assumed to be M. What permits this assumption? A. The concentration of Fe(NO3)3...

**statistics**

2. A researcher hypothesized that the pulse rates of long-distance athletes differ from those of other athletes. He believed that the runners’ pulses would be slower. He obtained a random sample of 10 long-distance runners. He measured their resting pulses. Their pulses w...

**statistics**

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the Pear...

**geometry**

Prove a triangle is an isosceles triangle ith P(2,3) A(5,7) and T1,4)

**SCIENCE**

What are the products of a chemical reaction involving NaCl, HNO3, and AgNO3?

**chemistry**

What are the products of a reaction between NaCl, HNO3, and AgNO3?

**chemistry**

I'm not sure what to do with the .018 and .024 o even have the answer from the book.

**chemistry**

Ok 24mg/100g and 18mg/100g from graph

**chemistry**

How many milligrams of a mixture containing equal numbers of moles of CH4 and N2 at 10 ATM total pressure will dissolve in 1 L of water at 20°C ??? ...

**Physics**

A cheetah is hunting. Its prey runs for 3.07 s at a constant velocity of +11.32 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?

**algebra**

Find three consecutive integers such that the sum of the smallest and largest integer is equal to twice the middle number

**science**

Ca3(PO4)2 + 2H2SO4 = 2CASO4 + Ca(H2PO4)2 How many moles of CaSO4 can be produced by the reaction of 0.39 moles of Ca3(PO4)2 with excess H2 SO4?

**Algebra**

Solve the system of equations by an algebraic method. Leave answer in exact form. 4x² - 7y² = 21 x² + 2y² = 99

**10th grade Academic Math**

hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.

**10th grade Academic Math**

hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.

**10th grade Academic Math**

hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.

**physics**

A basketball is shot from 2 meters up at an angle of 60° above the x axis at an initial velocity of 9 m/s.What is the maximum height the ball will reach?

**geometry**

I am trying to find the interior and exterior angles of a 9 sided polygon .

**physics**

and ur answer is wrong neway m=1300 v~18 x=2.3 now solve

**physics**

try using the correct sigfigs?

**math**

What is the geometrical meaning of the central extension of the algebra of diffeomorphisms of the circle?

**calc**

Yes, that is what I got as well. So would we have to go further, or does that suffice? Thank you.

**2nd grade**

My 2nd grader son needs to write a speech on why he should be elected as a classroom president. Some of the ideas I suggested are - as a classroom president, he will keep the classroom clean; make sure students respect and behave nicely with each other... ANY OTHER SUGESSTIONS...

**maths**

3/8 means , 3 parts out of 8 parts of anything, in this case, full day or 24 hours. So divide 24 hours into eight equal parts. So 24/8 is 3. Now take three parts of it. That is 3 parts of 3 lots. The answer is 9 hours.

**math**

probability of getting a red chip is 7/25 and the probability of getting ablue chip is 6/25. The probability of getting red and blue is 7/25* 6/25. The answer is 42/625.

**8th Grade Math**

y = mx+b m=slope Just get it in that form to find what m is.

**Mathmatics**

I need help. I have no clue about how to solve this problem. Can someone go through it. Find the sope of the tangent line to the graph of the equation y=x^2(x-3) at x=-1 Thanks for the help.

**Physics**

Nick S. ? i got 15.87 m/s.... apparently the right answer is 9 m/s tho . i assumed there's no torque. v^2 = 2 ax. a = F / m.

**language**

what would be a simplified reason to tell grade ones why there is valentines day? What does it mean? why do people receive cards?

**History prooject**

I don't know who the people are that initiated and maintained segregation. I said Martin Luther King Jr. and Rosa Parks because those are the two of the people who helped end segregation.

**History prooject**

Are you wanting information on people like Martin Luther King Jr. and Rosa Parks?

**Algebra 2**

On #2 we are not aloud to use calculators but other problems like this that we are doing have a radical in them. Do you know how to solve this without a calculator?

**Algebra 2**

Thanks!

**Algebra 2**

Can anyone hep me with these questions? I'm not in a hurry or anything but I asked two hours ago. Thanks!

**Algebra 2**

1. How many solutions does this system of equations have? y=-2x+6 y=3(x+4) 2. What is the square root of 45? 3. solve 2(x-4)^2=14

**Chemistry**

What are the names and formula masses of MgSO4,MgSO4.7H20, and (NH4)2SO4. Please help

**chemistry**

2Sb + 3I2->2SbI3 Determine the limiting reactant and theoretical yield when 1.2 mol of Sb and 2.40 mol I2 are mixed.

**College Algebra**

Asquared + Bsquared = C squared

**finance**

Nucore Company is thinking of purchasing a new candy-wrapping machine at a cost of $370,000. The machine should save the company approximately $70,000 in operating costs per year over its estimated useful life of 10 years. The salvage value at the end of 10 years is expected t...

**finance**

Sunshine Corporation is considering several long-term investments. Management wants to accept the two best projects, given the following data: Project A B C D E Present value of net cash inflows . . . . . . . . $24,000 $44,000 $15,000 $30,000 $50,000 Investment cost . . . . . ...

**Geography**

Your question of how GDP and inflation are linked has two answers. GDP can increase either because of factors affecting aggregate supply or aggregate demand. If inflation were to increase, it would generally be caused be an overall increase in the demand for goods and services...

**algebra**

John has 36 books in his locker. He has text books,library books, and telephone books. How many books of each kind does he have if: lib + tel= 2x text books and text + tel = 3x lib books I think it'd be easier to let T,L and B denote text books, library books and telephone...