Monday

January 23, 2017
Total # Posts: 104,209

**Social Studies 7 Pls CoRRect Mee**

b,d b a c

*November 1, 2016*

**history**

He is right TRUST ME 100%

*November 1, 2016*

**MATHEMATICS.**

FIND THE COMPOUND INTEREST OF 1400 IN 4YEARS AT 3% PER ANNUM

*November 1, 2016*

**la**

In "All Together Now," why does Barbara Jordan most likely mention the conflict in Bosnia?

*November 1, 2016*

**Probability**

suppose 45 students in an organization are male and 55 are female. Ten females and 15 males in the organization are graduating students. What is the probability that a: a.) student chosen at random is male or a graduating student? b.) students chosen at random is female ...

*November 1, 2016*

**la**

tolerance definition

*November 1, 2016*

**social studies**

its your boy is 100%

*November 1, 2016*

**Social Studies**

Is it b

*November 1, 2016*

**Chemistry**

Formula of (ch3ch2)2chch2ch(ch3)2

*November 1, 2016*

**language arts**

whats the answer

*November 1, 2016*

**Calculus**

Haha! Thank you!

*November 1, 2016*

**Calculus**

Find dy/dx at the point (-3, 1) for the equation x = y^3-9y^2+5. A. -1/17 B. -1/13 C. -1/15 D. 1/17 E. 1/15 I posted this question before with a typo, but the point still doesn't appear to be on the graph of the function.

*November 1, 2016*

**Math**

Calculate the pH and pOH in 5.10-3M HNO3

*November 1, 2016*

**pre algebra 8th grade**

Thank you so much.

*November 1, 2016*

**Physics**

A body A of a mass 0.16 kg exerts a force of 6.2x10^-10 N on a body B when the distance between their centers is 0.37 meters. What is the mass of body B?

*November 1, 2016*

**physics**

A block and tackle has a velocity ratio of 4 and it is used to vertically raise a load of mass 50kg.if the effciency is 80%,determine the minimum effort reguired to raise the load.

*November 1, 2016*

**Converse of the Pythagorean Theorem**

Can you please help me and my grandson? It says: The length of the sides of the triangle are 5m, 6m, and 7m. Is the triangle acute, right, obtuse? How can I check my answer to see if it was right?

*November 1, 2016*

**Algebra Pythagorean Theorem**

Can you please help me answer these and explain? Please? Determine whether the given lengths can be side lengths of a right triangle. 1) 6ft, 10ft, 12ft 2) 10in, 24in, 26in 3) 20m, 21m, 29m 4) 15cm, 17cm, 21cm 5) 14ft, 22.5ft, 26.5ft 6) 12yd, 35yd, 38yd

*November 1, 2016*

**Calculus**

Find dy/dx at the point (-3, 1) for the equation x = y^3-9x^2+5.

*November 1, 2016*

**Trig**

find all solutions of 2sinx=1-2cosx in the interval from 0 to 360

*November 1, 2016*

**Statistics**

Your pocket contains 2 quarters and 2 Nickels. You randomly pick one of the coins and without replacing it you pick a second coin. Are the events, Q1 = First pick was a quarter Q2 = Second pick was a quarter a) Independent? b) What is the probability of getting a quarter both ...

*November 1, 2016*

**Math**

Alex can complete a model rocket assembly in four hours less time than it takes Sean. Working together, they can complete the assembly in one and a half hours. How long would it take Alex to do the assembly working alone?

*October 31, 2016*

**Math**

Gabriel can ride his bike three times faster than he can run. He runs 9 miles and bikes 45 miles. If the total time for both activities is four hours, how fast can he run ?

*October 31, 2016*

**Adv. functions**

When you simplify: sin(pi+x)cos((pi/2)-x)-cos(pi+x)sin(x+(3pi/2)) What's the answer cause I got -2sinxcosx, which I don't know if can simplify to -2sinx But the answer key says -1 so. I'm not sure how to get that

*October 31, 2016*

**mgf liberal arts**

Four accounting majors, two economics majors, and three marketing majors have interviewed for five different managerial positions with a large company. Find the number of different ways that five of these people could be hired if the first two positions are to be filled by an ...

*October 31, 2016*

**Science**

What caused the syringe to leave a puddle of water after sitting in the sun for 10 minutes ?

*October 31, 2016*

**Math**

Situation: You exercised 24 hours each month for a year. How many hours did you exercise by the end of the year? You may be able to do the math mentally thanks to expanded notation and the Distributive Property How would I put this into distributive property??

*October 31, 2016*

**chemistry (charges)**

just want to check if this group is neutral, R-NH2 thanks!

*October 31, 2016*

**check my work (american goverment)**

Amelia is correct

*October 31, 2016*

**check my work (american goverment)**

1.C

*October 31, 2016*

**check my work (american goverment)**

1. Why was the Department of Defense created? (1 point) to place the U.S. Army and Navy in one executive department to establish a military chain of ...

*October 31, 2016*

**ENGLISH FAST!!!!**

Which synonym for fear most strongly suggests a fear that causes one to freeze in terror? Alarm Dread Fright Panic I say D

*October 31, 2016*

**Language Arts urgent!!**

thanks

*October 31, 2016*

**Language Arts urgent!!**

Oh, it is dictionary!!!

*October 31, 2016*

**Language Arts urgent!!**

Dictionary Encyclopedia Thesaurus Wikipedia I think Encyclopedia. Is that right??

*October 31, 2016*

**Language Arts urgent!!**

A student is writing a paper and needs to make sure she is using the word apprehension correctly. What reference book would help her check its part of speech?

*October 31, 2016*

**Math**

I need help with all of it

*October 31, 2016*

**math**

Suppose you deposit $600 in a savings account. The interest rate is 4% per year. Find the principal balance in the account after six years

*October 31, 2016*

**Maths**

A hexagon has 6 sides, find the sum of the interior angles.

*October 31, 2016*

**science, organic chemistry**

Determine the amount of compound remaining in the aqueous phase and organic phase and organic phase if a 5.0g organic compound is dissolved in 100 mL of water and is extracted with three 50-mL portion of ether (kb= 10). Compare this with one 150 ml portion with ether. Which is...

*October 31, 2016*

**Soail STuddies**

Why was agriculture important and life-changing for Ancient Egyptians?

*October 30, 2016*

**Physics 11 steve or any physics teacher helpURGENT**

thanks, why does total momentum need to be conserved?

*October 30, 2016*

**Finance 300**

Suppose a stock had an initial price of $94 per share, paid a dividend of $2.50 per share during the year, and had an ending share price of $76.50.

*October 30, 2016*

**History**

Is there a website that shows all the holidays they celebrate?

*October 30, 2016*

**History**

I'm doing a project for the Republic of Congo (Not the Democratic) and I have to find a holiday celebrated there and explain and name one food eaten on that holiday I chose National Youth Day but I cant find a specific food they eat on that day. Can anyone help?

*October 30, 2016*

**Social studies**

What are the causes of contemporary social problems

*October 30, 2016*

**engineering**

During drilling of a deep oil well, the drill pipe got rigidly stuck. It was necessary to determine the depth at which the jamming occurred. The engineer ordered the pipe subjected to a large upwards tensile force, i.e., she pulled on it. As a result, the top of the pipe came ...

*October 30, 2016*

**Algebra One**

Find the 20th term for 5,-5,-15,-25

*October 30, 2016*

**Lang Arts**

STORIES OF USEFUL INVENTIONS, excerpt By S. E. Forman 1911 THE MATCH There never was a time when the world was without fire, but there was a time when men did not know how to kindle fire; and after they learned how to kindle one, it was a long, long time before they learned ...

*October 30, 2016*

**Maths**

a bottle is 1/4 full of drink. If 500 ml of drink is added to it the bottle is 2/3 full. How many milliliters does the bottle hold when it's full?

*October 30, 2016*

**Math**

divide the sum of 19/16 amd 13/4 by thier difference

*October 29, 2016*

**Math**

Find the area of a path 2 metres wide built around a rectangular pool 10m by 4m.

*October 29, 2016*

**math**

Three bells toll at intervals of 8 minutes, 15 minutes and 24 minutes respectively. If they toll together at 3 p.m, at what time will they next toll together again?

*October 29, 2016*

**Science**

Cost is an example of _____ in designing a product. A. a constraint B. a solution C. a trade-off D. an idea is the answer A?

*October 29, 2016*

**Science**

Identifying the cause of any problems in a design is called _____. A. Patenting B. Brainstorming C. Prototyping D. Troubleshooting is the answer D?

*October 29, 2016*

**Science**

Identifying the cause of any problems in a design is called _____. A. Patenting B. Brainstorming C. Prototyping D. Troubleshooting is the answer D?

*October 29, 2016*

**Science**

Identifying the cause of any problems in a design is called____.

*October 29, 2016*

**1 MATH QUESTION**

When using the midpoint formula, what is different between a number line and a coordinate plane?

*October 29, 2016*

**Algebra 2**

Express log A in terms of the 2 logarithms of prime numbers: A= (sqrt(3)*sqrt4(125))/7^3

*October 29, 2016*

**math**

If a dark-haired mother and father have a particular type of gene than the probability that any child that they have will be light-haired is 0.25. What is the probability that all three children will have light hair? Thanks.

*October 29, 2016*

**math**

I solved it. Thanks anyway. (1/125)

*October 29, 2016*

**math**

You are writing multiple choice test. Each question has 5 choices, only one of which is correct. You have no idea how to answer three questions. What is the probability that you will get all three of these questions correct if you guess the answers? Please help. I'm ...

*October 29, 2016*

**math**

A manufacturer of calculators would like to separate defective calculators from calculators that are acceptable. Through an error, a shipment of twelve calculators is sent out containing three defective calculators and nine working calculators. A customer buys five of these ...

*October 29, 2016*

**math**

Hospitals contain backup generators in case of power failure. A hospital has two backup generators each of which has a 2% probability of failure. Only one generator is needed to supply emergency power. What is the probability that the backup system will work in the case of a ...

*October 29, 2016*

**Physics**

Did you get the answer?

*October 29, 2016*

**Physics**

Somebody once told me the world is gonna roll me

*October 29, 2016*

**Physics**

The wheels of a skateboard roll without slipping as it accelerates at 0.45 m/s2 down an 75-m-long hill. If the skateboarder travels at 1.8 m/s at the top of the hill, what is the average angular speed of the 2.6-cm-radius whe els during the entire trip down the hill? I first ...

*October 29, 2016*

**Chemistry**

What mass of Cu(IO3)2 can be formed from 0.690g of CuSO4-5H2O?

*October 29, 2016*

**Chemistry**

Consider the following reaction. CaSO4(s) reverse reaction arrow Ca2+(aq) + SO42-(aq) At 25°C the equilibrium constant is Kc = 2.4x10^-5 for this reaction. (a) If excess CaSO4(s) is mixed with water at 25°C to produce a saturated solution of CaSO4, what are the ...

*October 29, 2016*

**chem**

Molecular Weight of Methane is 16.04g. 1mol of methane = 16.04g Methane 1mol = 6.022*10^23 atoms You have 0.0300 mol. 0.0300mol* (16.04g/1mol) = 0.482mol 0.482mol*(6.022*10^23atoms/1mol)= 2.90*10^23 atoms of methane

*October 29, 2016*

**chemistry**

Molarity = moles/ Liters You are given the Molarity (0.1M) and Liters (2.0L). So, plug those into the formula and solve for moles. 0.1M = moles/ 2.0L moles = 0.2mol The molecular weight of KI is 166.0028. Convert moles to grams. 0.2mol* (166.0028g/1mol) = 3.2g KI

*October 28, 2016*

**Business Calculus**

As the financial consultant to a classic auto dealership, you estimate that the total value (in dollars) of its collection of 1959 Chevrolets and Fords is given by the formula v = 306,000 + 1,000t2 (t ≥ 5) where t is the number of years from now. You anticipate a ...

*October 28, 2016*

**Physics**

A square metal plate with length L= 0.14 m on each side is pivoted about an axis through the center point O, perpendicular to the plate. Calculate the net torque about this axis due to the three forces shown that act at the corners, with magnitudes F1 =18 N, F2 = 28 N, and F3...

*October 28, 2016*

**English**

Thank you so much for all of your help :) I really appreciate it!

*October 28, 2016*

**English**

Last question (sorry I'm asking so many but I'm ready to finish this already lol), Are the author's points organized well enough for a ready to follow easily? In my opinion, they are. I don't know what I would change in this one.

*October 28, 2016*

**English**

Is this okay? "Even though using the Internet to communicate with loved ones is faster, you should send letters in the mail."

*October 28, 2016*

**English**

That's what I was thinking too, but I think the author can make it better. I'm just not that great at thesis statements and don't know how to change it to make it better.

*October 28, 2016*

**English**

Can someone help me understand this please?

*October 28, 2016*

**English**

I'm having trouble with number two, that's why I posted it on here asking for help. I'm terrible with thesis sentences and don't even know how to start on finding it. Number two is preventing me from answering the other two questions. I need to have this turned...

*October 28, 2016*

**English**

I have to write a paragraph for each question. There are 4 questions in total. 1.) Purpose and audience- Can you clearly identify the audience and the purpose of the essay? 2.) Thesis statement, topic sentences, and paragraphs- Is there a clear thesis statement? Are there ...

*October 28, 2016*

**English**

Can you clearly identify the audience and the purpose of the essay?

*October 28, 2016*

**English**

Is there a clear thesis statement? Are there paragraphs with topic sentences? Has the author provided enough evidence to support the main idea of their essay? Are the author's points organized well enough for the reader to follow easily?

*October 28, 2016*

**English**

What is the thesis statement in this essay? Instead of using emails, mail a letter to your grandparents, an aunt or uncle, or another role model who’s older than you are. We live in a fast-paced world. We use computers to send emails and instant messages. Some, though, ...

*October 28, 2016*

**Physics**

A rigid rod of mass 0.2 kg and length 1.5 m is suspended by wires at each end. The wireshave equal rest length. The wire on the left end of the rod has Young’s modulus4*10^11Pa, while the one on the right end has Young’s modulus2*10^11Pa. A 2 kg mass is hung fromthe ...

*October 28, 2016*

**Calculus**

Find d^2y/dx^2 in terms of x and y given that 8x + 6y^2 = 8. Use the original equation to simplify your answer. A. y'' = -(4/9y^3) B. y'' = -9y^3 C. y'' = -4y^3 D. y'' = -27y^3 E. y'' = -(8/27y^3)

*October 28, 2016*

**English**

I will remember that next time. :o)

*October 28, 2016*

**English**

I'm sorry...I did not think about that. I think I have the answer. I will be more careful next time. Thank you.

*October 28, 2016*

**English**

In First Confessions, Nora can best be identified as? A:flat*** B:round C:dynamic D:protagonist

*October 28, 2016*

**Chemistry**

What is the molarity of each ion present if 18.0 g of Al2(SO4)3 is present in 201 mL of solution? _____ M Al3+ _____M SO42-

*October 28, 2016*

**Social Studies**

Which of the following is a characteristic of Earth's first people? A. They lived in cold places B. They lives far from water sources C. They lived on the Asian continent D. They moved around in search of food** How do people in northern Chad adapt to the lack of arable ...

*October 28, 2016*

**Chemistry**

What is the molarity of each ion present if 18.0 g of Al2(SO4)3 is present in 201 mL of solution? _____ M Al3+ _____M SO42-

*October 28, 2016*

**Social Studies**

What natural resource attracted other nations to trade with West and Central Africa beginning around AD 750? A. copper B. silver C. gold** D. salt Which of the following is an example of how people have adapted to the environment of West and Central Africa? A. They do not cut ...

*October 28, 2016*

**math**

If two dice are rolled and their faces noted, find each of the following probabilities: a) the sum of the two dice is 8 b) both dice show even numbers c) the sum of the two dice is 8 OR both dice show even numbers d) the sum of the numbers is 7, given that at least one die ...

*October 28, 2016*

**math**

Hospitals contain backup generators in case of power failure. A hospital has two backup generators each of which has a 2% probability of failure. Only one generator is needed to supply emergency power. What is the probability that the backup system will work in the case of a ...

*October 28, 2016*

**math**

A manufacturer of calculators would like to separate defective calculators from calculators that are acceptable. Through an error, a shipment of twelve calculators is sent out containing three defective calculators and nine working calculators. A customer buys five of these ...

*October 28, 2016*

**math**

Six slips of paper, with a different digit from 1 to 6 printed on each, are placed in a box. The papers are well mixed. One slip is drawn and replaced. The papers are well mixed, and a second slip is drawn. Find the probability of each of the following: a) the first is marked ...

*October 28, 2016*

**math**

There are 5 black mice and 5 white mice available for an experiment. A random selection is made from the set of ten mice. What is the probability that two black mice and one white mouse will be selected? Thanks

*October 28, 2016*

**english**

None of the students ________ happy with the instructor because she ________ homework every weekend.

*October 28, 2016*

**Chemistry**

A solution of NaOH(aq) contains 5.4 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.

*October 28, 2016*