Friday

April 18, 2014

April 18, 2014

Total # Posts: 296

**math**

Danish used 9 balls of clay and 16 straws to make a solid pyramid. How many faces does the solid have?

**Chemisty**

What is the electron dot structure of Ethanol?

**statistics**

Suppose 10 undergraduate students are selected randomly to be interviewed about credit card usage. Is the selection of 10 studets a binomial experiment? Explain.

**math 126**

PROBABLITYPROBLEM

**math 126**

let u={5,10.15.20.25.30.35.40 find a c

**College Math**

let U = {5,10,15,20,25,30,35,40} find 10,20

**phi 103**

mrs orlof teaches 2 history classes one in the afternoon and one in the morining yesturday she gave the same test to both classses anyone who failed the test must retake since a greater percentage of students who took the morining test failed the test than student in the after...

**Algebra**

the measure of the frist angle of a triangle is 10 degrees more than the measure of the second. the measure of the third angle of the triangle is five less than three times the measure of the second. find the measure of the angles of the triangle.

**Biology**

Explain how negative feedback systems maintain homeostasis in non-stable environments.

**Biology**

What are 3 components of the regulatory control system of the body?

**geometry**

A triangle has two angles that have measures of 22.5 degrees and 101 degrees. a. Find the measure of the third angle. b. Classify the triangle by its angle measures.

**music read**

I need to learn one whole song,I want to do smoke on the water, I need help.

**chem**

100 grams of sodium phosphate contains how many sodium ions? what is the formula?

**math**

two runners jog around an oval path at constant rates, but in opposite directions. One runner completes a lap every 10 minutes, and the other does a lap every 12 minutes. How many minutes elapse between consecutive meetings of the runners?Express your answer as a mixed number.

**Algebra**

how many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout?Express your answer in terms of pi.

**Algebra**

Compute: 7!/6! x 3!2!/(8-1)!. Express answer as acommon fraction.

**Algebra**

Write the product 35/14x3/125 in scientific notation.

**algebra**

Six people are going to be seated in a row of 8 chairs. How many different ways may they be seated?

**algebra**

Two runners jog around an oval path at constant rates, but in opposite directions. One runner completes a lap every 10 minutes, and the other does a lap every 12 minutes. How many minutes lapse between consecutive meetings of the runners? Express your answer as a mixed number.

**Algebra**

What numeral is in the 100th decimal place in the decimal representation of 6/7?

**algebra**

If the sides of a square are lengthend by 7cm, the area becomes 121cm^2. Find the length of a side of the orginal square.

**Math**

I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me with the last question? Thanks! a) Let a be the point (2,3). Compute the distance from Origin 0 to A answer: a^2 + b^2 = c^2 3^2 + 2^2 = c^2 c=sqrt...

**Macroeconomics **

Durring the late 1970's prices quoted in terms of the Israeli currency, the shekel, rose so fast that the grocery stores listed their prices in terms of the U.S. dollar and provided customers with the dollar-shekel conversion tables that they updated daily. Although people...

**math**

Which figure in the pattern below will have 99 squares? Figure 1 (picture of 1 square) Figure 2 (picture of 3 squares) Figure 3 (picture of 5 squares)

**math**

Extend the pattern to complete the table Input 1234567 output 1 8 27 ? ? ? ?

**Writeacher, Please Help**

I think we should find the thme

**Economics**

Suppose a market with two sellers Seller 1 has a marginal cost of c1=20q1 and seller 2 has a marginal cost of c2=40q2 Find the market supply curve in a competitive market where the price = c1= c2

**geometry**

M is the midpoint of line segment AB.Find the missing coordinate for each 10a. A:p-4 M:8 B:p+12 must use ruler postulat

**Calculus**

Given f(x)=sin(x)-2cos(x) on the interval [0,2pi]. Determine where the function is concave up and concave down, and increasing and decreasing. I have found that the answer for decreasing is (2.68,5.82). All answers are to be in interval notation like that one.

**math**

7<x<14

**math**

graph the inequality on a plane 2y-3x>6

**Trig.**

Help with this problem please. I don't get it at all. A ship is heading due north at 12 mph. The current is flowing southwest at 4mph. Find the actual bearing and speed of the ship.

**Probabilities (Math)**

An experiment consists of tossing a coin 14 times. (a) How many different outcomes are possible? (b) How many different outcomes have exactly 9 heads? (c) How many different outcomes have at least 2 heads? (d) How many different outcomes have at most 10 heads?

**physics**

Okay, well what's the procedure when a isn't = to zero?

**Enviromental Science**

Estimate the velocity of the groundwater flowing from a point 500 feet from a creek. The point is 50 feet above the surface of the creek and the permeability of the subsurface is approximately 10-5. Approximately how long would it take the groundwater to reach the creek?

**criminal justice**

In what ways does the court ehtic statement differ from the ethic statement of the montgomery, al police department and kilby correction facility?

**Criminal Justice**

Do you think the Montgomery, Al police departments ethic statement was patterned after the national association code of ethics?

**criminal justice**

How are ethic statements and code of ethics different?

**criminal justice**

How are the ethic statement of the Montgomery, Al police department and the national association code of ethics similar?

**algebra**

I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6, 4)…Is this corr...

**Algebra/math**

I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6, 4)…Is this cor...

**Algebra**

I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6, 4)…Is this corr...

**12th grade English**

This is weird cause you're in the grade 12 area. Are you really good at english, is that the reason you're helping me?

**12th grade English**

BTW, priscilla can I talk with you tomorrow, I'm preety tired. If you're here tomorrow at the same time as today, that'd be great. PS. Just curious, how old are you?

**12th grade English**

In Hamlet, death is seen throughout the play, and is one of the primary themes. It was the death of Hamlet’s father and knowing he was murdered which causes Hamlet to seek revenge. As a result, this initiates one killing after another, thus starting a chain reaction. The ...

**12th grade English**

Well I made some quick changes and I also made a lot of changes 2-3 hours ago, and didn't make a lot of new changes cause I felt lazy, anyway what do u think improved and what do u think is really crucial that i change?

**12th grade English**

I can't talk about certain deaths because I have to talk about how one death led to another, in other words my main point has to be the domino effect, and I can't show my point with just certain deaths. Here's how i originally planned my essay: intro- thesis... bod...

**12th grade English**

Priscilla, I have to do 5 paragraphs, and let me see If I understand what you are telling which is that my intro was good but my body para. sucked, if so then I agree. Thing is I do not know how I would go about analyzing it without telling the story. BTW, my thesis is the las...

**12th grade English**

Priscilla, I think its sort of like an analysis essay, like what led to each death, and how one death lead to another death. My teacher doesn't really specify and didn't give me a rubrik either, she's very unprofessional.

**12th grade English**

Can you check my essay, it is not done, but I want to see if I'm on the right track? My essay is on Hamlet and the thesis statement: "Domino effect of death" Hamlet: A Chain Reaction of Death In Hamlet, death is seen throughout the play, and is one of the primary...

**Math**

I have tried this problem a few ways, and I am getting frustrating results. Could you help me out by showing me how to set the systems of equations Two angles are complementary The sum of the measure of the first angle and 1/4 the second angle is 82.5. Find the measure of the ...

**physics**

A softball of mass 0.220 kg that is moving with a speed of 6.5 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Afterward it is found that the incoming ball has bounced backward with a speed of 4.8 m/s. Calculate the mass of...

**physics - PLEASE HELP**

A vertical spring (ignore its mass), whose spring constant is 980 N/m, is attached to a table and is compressed 0.160 m. (a) What speed can it give to a 0.400 kg ball when released? (b) How high above its original position (spring compressed) will the ball fly?

**physics**

v=4.3 g=9.8 GPE=KE mgh=(1/2)mv^2 mass cancels out so; gh=(1/2)v^2 plug in your values and you should get the right answer

**physics - please help**

A 0.455 kg wood block is firmly attached to a very light horizontal spring (k = 160 N/m). It is noted that the block-spring system, when compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before stopping and turning back. What is the coefficie...

**physics**

24.11 m/s

**Physics**

A 17 kg child descends a slide 3.5 m high and reaches the bottom with a speed of 1.5 m/s. How much thermal energy due to friction was generated in this process?

**Physics - Work and Energy**

i dont understand how you are able to find how much it has increased

**science**

you are answering how much you will dock his pay.

**science**

you are the ceo of an Explosive company you hired an explosive expert named john and your paying john the explosion expert at $24.50 an hour while on the job there was an explosion that blew john 1 mile into the air as ceo you decide to dock his pay for how long he was in the ...

**physics - forces**

would m be the mass of the earth?

**physics - forces**

Calculate the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 2600 km.

**Physics**

Most housewives use spin dryers to dry their clothes. Explain how water is removed from the clothes in a spin dryer. PLEASE EXPLAIN! :)

**math**

divide $ 680.00 among three children with the ratio 2:4:6 please show me how to work out the answer

**Pyhsics**

A sled slides down a snow-covered hill at CONSTANT SPEED. If the hill makes an ANGLE of 10degrees ABOVE THE HORIZONTAL, WHAT IS THE COEFFICIENT OF KINETIC FRICTION BETWEEN THE SLED AND THE SNOW? ~>HELP!

**Physics**

According to the law of universal gravitation, there is force of attraction between any two bodies in the universe, WHY CAN'T YOU FEEL THIS FORCE BETWEEN YOU AND YOUR SEATMATE? ~>Thanks for those who are helping!

**Physics**

A 1.50x10cube is going up a road inclined at 10degrees. If the coefficient of friction is 0.7. Determine the force that will move the car up the inclined with a constant speed. Given: m=1.50x10cube angle=10degrees coefficient=0.7 Required: F=? PLEASE HELP..

**Physics**

The mass of a certain planet is six times the mass of the earth and the diameter of the planet is twice the diameter of the earth. Find the acceleration od gravity on the surface of this planet. HELP ME SOLVE! THANKS!

**Physics**

Runners in the 100-m dash use starting blocks. Explain what this device does. PLEASE HELP.

**Physics**

Why does a gun move backward(recoil) when it is fired?

**physics**

A 25 kg object accelerates from rest to a 0.45 m/s in 1.3 seconds. If the coefficient of friction between the object and the floor is 0.15. Find the force that can accelerate it. I don't know how to derieve the formula for this one..please help.. FROM the FORMULA: -netF=Ff-Fx

**Physics**

A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-42. The mass of the person plus the bucket is 69 kg.How hard must she pull downward to raise herself slowly at constant speed?If she increases this force by 11 percent, what will her acceler...

**SS-Cold War**

ok i need 1 mor no answer and im finally done

**SS-Cold War**

Forgot I need 5 yes and no reasons. I currently have 2 yes and 2 no. Which are: YES - containment prevented U.S. from interfering with nations already fallen to Communism preventing possible 3rd World War or Nuclear War by Soviets. YES - it stopped the spread of Communism. NO ...

**SS-Cold War**

Was the containment policy a effective strategy for fighting the Cold War with the Soviets?

**Business**

What are the ideological influences that have shaped the regulation of the Canadian banking system?

**English**

to get the summary of How to Eat fried Worms..?

**6th Grade Math**

Thank you so much. :)

**6th Grade Math**

I just need some direction to get started please.... Some family friends have asked you to plan a rafting expedition. A rafting has given you specific details on how much weight a raft can hold. A raft can safely carry the weight of 24 babies. The weight of 12 babies is exactl...

**Algebra--please help!**

What is the midpoint of the line segment that connects the points (1, 2) and (6, 7)?

**HR**

Which side have a better bargaining position?

**HR**

It asks for the problems faced by both sides, it is as in they city will not have people collecting garbage, and the collectors won't have their paychecks? What else? other suggestions?

**HR**

I am kind of stuck on this question, I need some ideas or suggestions, thanks. Garbage collectors (belongs to a union) in a town wants higher pay (eg 17%),but the mayor know that there is no way that taxpayers will accept a settlement near that. What are some of the problem fa...

**math**

Could someone provide me with an example of a function in algebra f(x) and g(x)? The substitution confuses me. Danke schon.

**Math**

An Ostrich can run 174 feet in 3 seconds. it costs $ 6:30 to mail a 6- pound package.

**science**

what material can we use as an indicator of acid?in other words,what material can we use to test a food to see if acid is present? what is the relationship between the concentration of acid in a liquid and the amount of carbon dioxide produced?

**Social Studies**

i am doing the Fertile Crescent Puzzler too and i dont get political units of city and surrounding land

**chemistry**

describe objects that commonly undergoes oxidation. I already have an apple, copper, iron, aluminium, magnesium... would you have any more idea's

**statistics**

(population) A normal distribution has a mean of 80 and a std dev of 20. For each of the following scores, indicate wheter the tail of the distribution is located to the right or left of the score, and find the proportion of the distribution located in the tail. a.X=85, B.X=92...

**Question about PC's**

i have a question on my assignment that I donot understand. Which high performance processor is the fastest Pentium4 or Itanium4? I know there is an Itanium2. But, there isn't a Itanium4 is there? So, wouldn't Pentium4 be the fastest? Yes, the Pentium 4 at 3.2 Ghz is f...

**Science**

Name two ways that land pollution can effect the natural resources http://en.wikipedia.org/wiki/Soil_contamination#Ecosystem_effects

**Math**

On a credit card, minimum monthly payments are often about 2% of the balance. If no interest were charged, how long would it take to pay off a loan when payments are 2% of the balance? With no minimum, almost infinite time. Lets get to when he owes ten cents. Two percent of th...

**Algebra - solving linear equations w/ substitution**

Idk

**Science**

COMPOUND 1 CH2=CH-CH-OH ________| _______CH3 COMPOUND 2 _____________O ____________// CH3-CH-CH2-C _____|______\ ____CH3______OH *Now, I must: Identify any functional groups in these compounds and name them. The functional group in 1 is the OH which makes it an alcohol. (It is...

**word unscramble**

Please help me unscramble this math word: reaoprddrie Thank you

**word unscramble**

reaoprddrie