Saturday

February 6, 2016
Total # Posts: 91,252

**Science **

The geologic time scale originally ordered Earth's rocks by: A. absolute age B. relative age*** C. composition D. decades and centuries Where did scientists originally get their information to develop the geologic time scale? A. They collected and studied rock samples in ...
*November 12, 2015*

**Maths**

Show that -(x+5)^2-2 is always a negative Please help. Thankyou
*November 12, 2015*

**mathematics**

I don't know
*November 12, 2015*

**Maths**

My tutor gave it me
*November 12, 2015*

**Maths **

What is x^3-6x^2-x+30 divided by 4x-1? Please help x
*November 12, 2015*

**math**

an isolation triangle has a base of 6 units and a height of 12 units. find the maximum possible area for a rectangle that is inscribed in the triangle and has one side resting on the base of the triangle. what are the dimensions of the rectangle of maximum area?
*November 12, 2015*

**Maths **

What is x^3-2x^2+16 divided by x+2 Please help
*November 12, 2015*

**math**

In a basketball game, one team's score is two points less than half the other team's score, which is x. What is the difference in the scores?
*November 12, 2015*

**Maths**

Find the coordinates of intersection for the following of line and curve x^2+2y^2=36 x+y=6 I know I hav to do it simultaneously but Im struggling Please explain step by step so I know for future reference Thanks
*November 12, 2015*

**Maths **

(x-5)(x-3)>K Find all possible values of k
*November 12, 2015*

**chem**

4.25
*November 12, 2015*

**Math**

Jesse played two days of golf. On the second day, he got a score of 6 below par, or -6. His total for the two days was 0 above par, or 0. Define a variable. Then write and solve an equation to find the score Jesse got on the first day. Show your work.
*November 12, 2015*

**Maths**

Find the remainder when the function f(x)=x^3-6x^2-x+30 is divided by (4x-1)
*November 12, 2015*

**math**

According to Curcio and Schwartz, which of the following statements is true?
*November 12, 2015*

**PHYSICS**

A pitcher throws a curveball that reaches the catcher in 0.64 s. The ball curves because it is spinning at an average angular velocity of 350 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in radians) as it ...
*November 12, 2015*

**PHYSICS**

John’s mass is 82.7 kg, and Barbara’s is 61.9 kg. He is standing on the x axis at xJ = +9.82 m, while she is standing on the x axis at xB = +4.83 m. They switch positions. How far and in which direction does their center of mass move as a result of the switch?
*November 12, 2015*

**PHYSICS**

Chapter 07, Problem 48 Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +5.0 m/s. Particle 2 has a mass m2 and a velocity v2 = -7.9 m/s. The velocity of the center of mass of these two particles is zero. In other words, the center of mass...
*November 12, 2015*

**PHYSICS**

The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.0280 kg and is moving along the x axis with a velocity of +6.64 m/s. It makes a collision with puck B, which has a mass of 0.0560 kg and is initially at rest. The collision is not ...
*November 12, 2015*

**PHYSICS**

Batman (mass = 87.3 kg) jumps straight down from a bridge into a boat (mass = 680 kg) in which a criminal is fleeing. The velocity of the boat is initially +14.8 m/s. What is the velocity of the boat after Batman lands in it?
*November 12, 2015*

**Maths**

Factorise as a product of a linear and quadratic factor. (x+2) is a factor (X^3-2x^2+16)
*November 12, 2015*

**More Civics**

An amendment that fails to pass simply does not pass and does not become a part of the constitution. It may languish for a long time until enough states approve it, but if it's never approved or passed, it dies. A new amendment may be submitted at another time.
*November 12, 2015*

**Math**

Thank you!
*November 12, 2015*

**Math**

Suppose you are driving to visit a friend who lives far away. You are driving at an average rate of 55 miles per hour. You must drive a total of 295 miles. If you have already driven 20 miles, how long will it take you to reach your destination? A) 2 hours B) 5 hours* C) 3 ...
*November 12, 2015*

**Math**

Find the total amount saved on interest by refinancing
*November 12, 2015*

**physical science**

Memo of physical science question 7 November 2014 grade 11
*November 12, 2015*

**Maths**

By completing the square show that f(x)=0 has only 1 root F(x)=x^3-2x^2-16
*November 12, 2015*

**Maths**

Line l is y=2x-3 Curve c is y=(x+2)(x-4) What are the coordinates for the line and the curve? Thankyou
*November 12, 2015*

**Maths**

A) Express 10x-x^2-27 in form -(m-x)^2 +n B) Hence show that 10x-x^2-27 is always negative Thankyou
*November 12, 2015*

**Mechanical Engineering**

a string ABCD is attached to two fixed points A and D, has two equal weights of 1000N attached to it at B and C. the weight rest with portions AB and CD inclined at angles of 30 degrees and 60 degrees respectively to the vertical. find the tension in portions AB, BC and CD if ...
*November 12, 2015*

**Maths**

Rewrite in form of ax^3+bx^2+cx+d (x-1)(x^2+x+1)=2x^2-17 I got x^3-2x^2-18 Is this correct? I am also then asked to show that (x+2) is a factor of the above polynomial. Thanks
*November 12, 2015*

**business math and statistics**

in the formula for calculating present value the letter R represent the
*November 11, 2015*

**chem**

You mix 5.32 g of solid magnesium sulfate with 105.24 g of water inside a calorimeter. As the magnesium sulfate dissolves, the temperature of the solution rises from 24.5°C to 30.1°C. Calculate the amount of energy in kJ that was transferred into the surroundings ...
*November 11, 2015*

**AP Physics**

12
*November 11, 2015*

**English**

Thanks Reed and sorry I didn't add the authors but yes those are the stories I am comparing, I only need to compare them because I already wrote their differences I was having trouble thinking of things that they have in common but I got it. Thanks though :)
*November 11, 2015*

**English (correction)**

oh gosh I wrote the wring thing I need to compare them sorry
*November 11, 2015*

**English**

I need help contrasting to stories call "The Secret Life of Walter Mitty" and "Nethergrave" please. :)
*November 11, 2015*

**Math**

Post a New QuestionCurrent Questions Homework Help: Math Posted by Anonymous on Wednesday, November 11, 2015 at 7:08pm. 3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs. Clarkson designed a ...
*November 11, 2015*

**Children Development**

So it good to go?
*November 11, 2015*

**Children Development**

Name and describe the 4 distinct elements of language. 1.Phonology refers to the sounds of language. 2. Semantis denotes the study of words and their meaning. 3. Syntax it refers to rules that specify how words are combined to form sentences. 4.Pragmatics refers to the ...
*November 11, 2015*

**Physics**

A person of mass 81.7 kg escapes from a burning building by jumping from a window situated 28.9 m above a catching net. The acceleration of gravity is 9.8 m/s^2 . If air resistance exerts a force of 123.1 N on him as he falls, determine his speed just before he hits the net. ...
*November 11, 2015*

**Math**

3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden ...
*November 11, 2015*

**Math**

1000
*November 11, 2015*

**Physics**

An object is traveling at a constant speed of 12.0 m/s when it slows to a stop. If it takes 10.0 m for the object to stop, what is the magnitude of its acceleration?
*November 11, 2015*

**chem**

To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.3-L bulb, then filled it with the gas at 1.90 atm and 21.0 C and weighed it again. The difference in mass was 9.5 g . Identify the gas.
*November 11, 2015*

**Math**

I need help too
*November 11, 2015*

**math!!!**

5m/2 - 1.002 + 0.93
*November 11, 2015*

**Geography**

Migration issue on the Haitian Guantanamo Bay Cuba
*November 11, 2015*

**English**

Does this count as a good primary source when doing research on GMOs and health effects? ncbi.nlm.nih.gov/pmc/articles/PMC2706426/
*November 11, 2015*

**sosial studies**

Happy Veterans Day!!! If you are from a country outside of the United States, do you have a day to remember soldiers who died in wars? I think yes? Am i coreect? Answer ASAP
*November 11, 2015*

**physics**

If there were no air resistance, with what speed would drops hit the Earth if they fell from a cloud 3881 m above the Earth’s surface? The acceleration of gravity is 10 m/s
*November 11, 2015*

**Science**

Nothing.
*November 11, 2015*

**Science CHECK ANSWERS! PLEASE HELP!! :(**

What are the answers?
*November 11, 2015*

**Social media**

No this is positives I find on snap chat.
*November 11, 2015*

**Social media **

Are this good positives of using snapchat? Media-sharing. You can share both photos and videos on Snapchat, and both are called”Snaps.Each time you take, Snap, you choose how long the viewers you select can view it, from 1 to 10 seconds. One-on-one video or text chat. ...
*November 11, 2015*

**English**

What may be a primary source when doing research about organic foods?
*November 11, 2015*

**MATH HELP**

3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical*** 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden ...
*November 11, 2015*

**Pre-Alegebra**

HELP PLEASE
*November 11, 2015*

**Pre-Alegebra**

3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical*** 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden ...
*November 11, 2015*

**Chemistry- Dr. Bob**

Why doesn't Rb react with N2?
*November 11, 2015*

**AP HUG**

Which of the following BEST illustrates the concept of cultural diffusion? During winter, fruit is often shipped from the Southern Hemisphere to the United States. Recipes can be written in many different languages. A kitchen cabinet contains foods from many different culinary...
*November 11, 2015*

**accounting**

On January 1, 2013, National Insulation Corporation (NIC) leased office space under a capital lease. Lease payments are made annually. Title does not transfer to the lessee and there is no bargain purchase option. Portions of the lessee's lease amortization schedule appear...
*November 11, 2015*

**Comm Tech**

Kiki is correct trust meh i did it myself and i got teh answers right 100%
*November 11, 2015*

**accounting**

On January 1, 2013, Sweetwater Furniture Company leased office space under a 21-year operating lease agreement. The contract calls for annual rent payments on December 31 of each year. The payments are $19,000 the first year and increase by $350 per year. Benefits expected ...
*November 11, 2015*

**math**

63 6+3 =9 and the tens digit (6) is twice the ones digit (3)
*November 11, 2015*

**English**

Yosemite valley is in Yosemite National Park,the first thing that came to mind when reading the sentences was the National Park, the sentence that says "Yosemite is famous for its natural wonders." makes it more clear that they are referring to the park, because the ...
*November 11, 2015*

**math**

yep that is correct for #1 too
*November 11, 2015*

**Science**

Energy C is sound Energy D is mechanical
*November 11, 2015*

**Calculus 1**

see related questions below
*November 11, 2015*

**Calculus**

Evaluate using Integration by Parts. x^2 cos(3x) dx
*November 11, 2015*

**Chemistry**

To determine the calories of a food, the energy released is calculated based on the mass used in the calorimeter. If a 0.8 g nut is consumed in a bomb calorimeter and the resultant temperature change is 80.3 degrees C for 50 mL of water, what would be the energy in Calories ...
*November 10, 2015*

**Chemistry **

Two electrolysis cells are set up in series so that the same current flows through each. In one compartment 5.40 g of Ag (molar mass = 108 g/mol) is deposited from a Ag+ solution. What mass of Cu (molar mass = 64 g/mol) is deposited simultaneously if the other cell contains ...
*November 10, 2015*

**Social Studies**

1. During Reconstruction, Southern agriculture thrived because it became more diverse and expanded with the diminishing demand for cotton and tobacco. * True or False 2. All of the following factors limited the economic recovery of the South following the Civil War EXCEPT? * ...
*November 10, 2015*

**math**

42 seats in 3 rows 28 seays in blank rows
*November 10, 2015*

**algebra**

help i dont know
*November 10, 2015*

**Math**

15 miles
*November 10, 2015*

**Chemistry**

How do I find the number of moles of NaOH when given 2M and 50.0mL? Also with HCl?
*November 10, 2015*

**Algebra**

Two beakers 108 grams including content
*November 10, 2015*

**Geometry**

The measure of the vertex angle of an isosceles triangle is 98 degrees What is the measure of a base angle
*November 10, 2015*

**Geometry**

Is it 90,45,45
*November 10, 2015*

**Geometry**

what are the interior angle measures of a right isosceles triangle
*November 10, 2015*

**Us history help**

What was United States stance before 1917 in world war 1? Was it neutral?
*November 10, 2015*

**math**

thanks your help will be greatly appriciated
*November 10, 2015*

**math**

never mind i think it's 10 is that right Mr. Sue?
*November 10, 2015*

**math**

2(y+2)for y=3 (a) -4 (b) 8 (c) 10 (d) 2
*November 10, 2015*

**hope**

Wendy plans to run her first 5k in two months, and she needs to prepare. She has a busy schedule, though, and needs to select the best activity for her heart health. Which activity should Wendy pick?
*November 10, 2015*

**social studies **

What challenges must Cyprus overcome to reunify? Explain your ideas about this topic and suggest ways that Cyprus could work to solve its challenges of diversity.
*November 10, 2015*

**statistic**

Of all mortgage foreclosures in the United States, 50% are caused by disability. People who are injured or ill cannot work--they then lose their jobs and thus their incomes. With no income, they cannot make their mortgage payment and the bank forecloses. 14 mortgage ...
*November 10, 2015*

**ipc**

30 cubic meters of argon gas are kept under constant pressure. The gas is heated from 10.0 degrees Celsius to 293 degrees Celsius. What is the new volume of the gas?
*November 10, 2015*

**need tips**

How to make money with help kids With there homework Any tips ?
*November 10, 2015*

**nwfsc**

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 20 A (amperes), the resistance is 7 ohms. What is the resistance when the current is 14 A ?
*November 10, 2015*

**english 1**

What type of question can the bolded text help you answer?
*November 10, 2015*

**Calculus**

dC/dx = 12 (12x+5)^-(1/3) C = (3/2)(12x+5)^(2/3) + constant agree 160 = (3/2)(156+5)^(2/3) + constant 160 = 44.4 + constant so C = (3/2)(12x+5)^(2/3) + 115.61 agree if x = 70 then C = 249.68
*November 10, 2015*

**computer literacy**

Which application software allows you to compose written ideas on a computer
*November 10, 2015*

**Math**

0.26 / 0.02 = 13
*November 10, 2015*

**Math**

A computer chip 0.32 cm thick is made up of layers of silicon. If the top and bottom layers are each 0.03 cm thick and the inner layers are each 0.02 cm thick, how many inner layers are there? A. 13 B. 15 C. 16 D. 52 E. 64
*November 10, 2015*

**Social Studies**

WHAT IS MEANT BY MAHAJANAPADA
*November 10, 2015*

**Introduction to computers**

which microsoft operating system started the process of authentication users with a username and password
*November 10, 2015*

**Math**

Libby sold $60 worth of vegetables at the farmer's market. Jess sold 3/4ths of what Libby sold. Stephanie sold 1/3rd of what Jess sold. How much did they all sell together?
*November 10, 2015*

**Chemistry**

Yes, but how do I write the shorthand version?
*November 10, 2015*