Saturday

October 1, 2016
Total # Posts: 100,355

**college math**

The difference between sixsix times a number and sevenseven more than threethree times the number.

*September 17, 2016*

**Chemistry**

Convert a density of 13.6g/ml to lb/ft^3

*September 17, 2016*

**Chemistry**

2.36 x 10^4 s= ? days

*September 17, 2016*

**Math**

Make the smallest number possible , you may include a decimal point 1,7,0,3,8

*September 17, 2016*

**Science **

A saturated solution of kcl is prepared at 25degree celsius. What would happen if temperature is cooled to 10degree celcius? ????????

*September 17, 2016*

**Maths**

students receive 17 sweets each and the left over is 9/23

*September 17, 2016*

**Maths **

A teacher has 16 boxes of sweets. Each box contains 25 sweets. The teacher shares as many sweets as possible equally among 23 pupils i) How many sweets does each pupil recieve? ii) How many sweets are left over ?

*September 17, 2016*

**physiology**

list from smallest to largest to smallest; atom, bacteria, sugar molecule, or ribosome

*September 16, 2016*

**math**

7. Below, the standard addition algorithm is being used to add three two-digit numbers. 4z 27 +x5 y14 If x, y and z each represent a different digit from 0 to 9, what is the value of (x)(y)(z)?

*September 16, 2016*

**english**

I would say C because according to the story, the other women took off their chadri and refused to leave, then afterwards they bring Narguess back and confront her for taking off her chadri.

*September 16, 2016*

**maths**

what is log (243*24*75*2/120*54*27*5)= log (1)= 0

*September 16, 2016*

**Math**

Which physics equations should I use?

*September 15, 2016*

**Math **

A express train travels along a straight line between two stations, A and D. Stations B and C are spaced evenly along the line between A and D. The engineer leaves A and accelerates at a constant rate until he passes station B, at which time he coasts with constant velocity. ...

*September 15, 2016*

**Calculus**

Never mind, I got it.

*September 15, 2016*

**Calculus**

How did you simplify 1/(x^2 + a^2) as 1/(2a^2)?

*September 15, 2016*

**Calculus**

If a ≠ 0, then the limit of (x^2 - a^2)/(x^4 - a^4) as x approaches a is: How do I do this type of problem?

*September 15, 2016*

**operations mangement**

Johnson chemicals is considering two options for its supplier portfolio option one uses to local supplier such a unique event risk of 5% the probability of a super event that would disable both at the same time is estimated to be 1.5% option to use it to suppliers located in ...

*September 15, 2016*

**Math**

What amount of a 60% acid solution must be mixed with a 30% solution to produce 300 mL of a 45% solution?

*September 15, 2016*

**Biology**

three similar celery stalks are placed in solution of dye for 5 mins to examine diffusion in living cells. what are some possible sources of error? suggest improvements to the experimental design?

*September 15, 2016*

**grammar**

It may be 60 feet long it may weigh 30,000 pounds

*September 15, 2016*

**Maths**

24 cats line up for breakfast. the first cat eats one fish, the second cat eats two fish, and so on, with each cat eating one more fish than the one before it. How many fish are eaten in total?

*September 15, 2016*

**Physics Electricity and magnetism **

Two 10-cm-diameter charged rings face each other, 15.0 cm apart. Both rings are charged to + 30.0 nC . What is the electric field strength at the center of the left ring?

*September 15, 2016*

**Science **

What does lmao mean?

*September 15, 2016*

**Social Studies**

I also need these answers I know 1.b and 2.a,d

*September 15, 2016*

**Social Studies**

I also need these answers I know 1.b and 2.a,d

*September 15, 2016*

**Math**

A express train travels along a straight line between two stations, A and D. Stations B and C are spaced evenly along the line between A and D. The engineer leaves A and accelerates at a constant rate until he passes station B, at which time he coasts with constant velocity. ...

*September 15, 2016*

**Math**

A rocket moves upward from rest with an acceleration of 29.4 m/s2 for 4 seconds. It then runs out of fuel and continues to move upward. Neglecting any air resistance, how high will it rise?

*September 15, 2016*

**Math**

Thank you. I get it now

*September 15, 2016*

**Math**

I don't get it. Explain more please

*September 15, 2016*

**Math **

The velocity vs time graph of an object is approximated by a triangle which starts at v=0 at t=0, rises to a maximum of v=6 m/s at t=6 sec, then returns to zero at t=10 sec. How far did the object travel?

*September 15, 2016*

**History**

Are they correct now? 20-b 23-c 25-b

*September 15, 2016*

**History**

Please check my answers. Thank you! The colonies of New York, Pennsylvania, New Jersey, and Delaware were all part of which colonial region? Eastern Middle* New England Southern Question 2 (Multiple Choice Worth 4 points) (01.06 LC) Who would have written a secondary source ...

*September 15, 2016*

**Math**

For number one is it C?

*September 15, 2016*

**vidya varthaka**

If 1+cos² thetha =5/4. Find thetha

*September 15, 2016*

**Social Studies**

1.) D 2.) B 3.) C TRUST ME!!!!

*September 15, 2016*

**Social Studies**

its C trust me

*September 15, 2016*

**Algebra**

The opposite of -4 is: A: 4. B: -4. C: -(-(-4)). D -|4|. I chose D. Am I correct?

*September 15, 2016*

**Social Studies**

Is it B?

*September 15, 2016*

**Algebra**

A triangle has vertices at A(3,4),B(-3,2),C(-1,-4). Is the triangle a right triangle? Explain.

*September 15, 2016*

**maths need help**

x^x=14 find x

*September 15, 2016*

**algebra**

Eli took the fleet of 8 vans for oil changes. All of the vans needed windshield wipers which cost $24 per van. The total bill was $432. Write an equation to find out what each oil change cost. solve the equation.

*September 14, 2016*

**pascal programming**

read the cost of a meal at a restaurant. if a 10% service charge were added to the bill, write an algorithm to calculate and return the total amount on the bill

*September 14, 2016*

**Math**

Sample of outside of the box

*September 14, 2016*

**World History**

thanks. so just to clarify for the headline, while I write the situation of Caesar's death I also have to put my opinion about it?

*September 14, 2016*

**World History**

If I choose to do the death of Caesar as the headline what would be an international story?

*September 14, 2016*

**World History**

What would the international be? Would I have to connect the headline article to the international or can they both be totally different things

*September 14, 2016*

**World History**

I emailed as well I am just waiting for a response. So for the headline, it says I have to write an opinion article. So does that mean I choose an event and explain what happened and explain what I feel about the situation?

*September 14, 2016*

**World History**

I have to do a newspaper project where I create my own newspaper by choosing one of the civilizations I have. (I chose Rome) It then asks me to "Create a headline story : This article should be researched. You can choose to write an opinion article of a particular ...

*September 14, 2016*

**math**

Family passes to an amusement park cost $54 each. Which expression can be used to find the cost in dollars of 8 family passes?

*September 14, 2016*

**Social studies please check my answers!!!**

Yes I did, but what were the write answers? And my real name is Mandy Andrews

*September 14, 2016*

**Social studies please check my answers!!!**

No it's not I got it wrong

*September 14, 2016*

**Math**

Draw a diagram to find each quotient of 3÷1/3

*September 14, 2016*

**maths**

toms height is 90cm and amy is 40cm taller.how many cm less than 1 1/2m is amys height

*September 14, 2016*

**Algebra**

Find the value of y for a given value of x, if y varies directly with x. If y= -252 when x=84, what is y when x= 74?

*September 14, 2016*

**math**

7 3/4% = ? fraction in simplest form

*September 14, 2016*

**Math**

hi i need help for a math question. The question is about geometric sequence, it asking about " in 2004, the turbines generated 326 MW of wind energy, and it is projected that the amount will be 10,000 MW per year by 2010. If this growth were modeled by geometric sequence...

*September 13, 2016*

**Math pre algebra please help **

Solve the equation 1/2x -5 +2/3x=7/6+4

*September 13, 2016*

**Science-Physics **

Why is it easier to float in the Dead sea than the Caribbean sea?

*September 13, 2016*

**Math**

132:89

*September 13, 2016*

**Physics**

An astronaut exerts a 190-N force pushing a beam into place on the International Space Station. The beam accelerates at 0.14 m/s2 .Determine the mass

*September 13, 2016*

**CHECK my answer in American government**

Then its A

*September 13, 2016*

**CHECK my answer in American government**

** by my answer 4. In which way does a dictatorship differ from a democracy? (1 point) In a dictatorship, the power is held by one person and political party. Leaders in a dictatorship are always democratically elected. Dictatorships have short-term limits on their rule.****

*September 13, 2016*

**geometry**

Find the area of a regular hexagon with the given measurement. 4-inch side A = sq. in.

*September 13, 2016*

**Chemistry**

F

*September 13, 2016*

**math**

well, what is 20% of 5000? just subtract that.

*September 13, 2016*

**BOGUS**

why do you do this $%@#$%#$% ??? Post the same problem under two different subjects, one minute apart!! Stop wasting everyone's time.

*September 13, 2016*

**chem**

If I'm getting an answer around 4.8 can I round that off to 5 for the final state or it remains as 4?

*September 13, 2016*

**Algebra**

A football game lost 6 yards on their first play in Gained 10 yards on the next play how many yards were gained

*September 12, 2016*

**Social studies**

longhouse

*September 12, 2016*

**Math **

Find the sum of all the even numbers between 75 and 85

*September 12, 2016*

**Algebra **

A light year, the distance light travels in 1 year,is approximately 5.9x10^12 Alpha centauri A,b 4.3 How far in miles is Alpha Centauri A,B. Scientific notation! I thought the answer was 25.37 x10^12

*September 12, 2016*

**Math**

Pencils cost $0.49 each. You estimate the cost as $0.50 each. How many pencils do you need to buy for your estimate to differ from the actual cost by $2.00?

*September 12, 2016*

**Chemistry**

Yes

*September 12, 2016*

**Chemistry**

A chemist wants to make 500.0 mL of 0.215M NaCl. What mass of NaCl is needed? would it be .500 L x .215 M = .1075 mol NaCl .1075 mol x 58.44g NaCl = 6.28g NaCl needed

*September 12, 2016*

**Chemistry**

What volume of 12.1M HCl(aq) is required to make 435 mL of 0.100M HCl? would i just follow the equation V1xM1=V2M2 V1x12.1=.435Lx.100M = 0.00360 L

*September 12, 2016*

**Math**

A square painting measures 2 meters on each side.What Is the area of the painting in square centimeters.

*September 12, 2016*

**Physics**

Each cubic centimeter of silver has a mass of 10.5 g. (a) What is the mass of 62.9 cm3 of silver? (b) When placed on a beam balance, the 62.9-cm3 piece of silver has a mass of only 612 g. What volume of the piece is hollow?

*September 12, 2016*

**Government**

Can also confirm those answers are correct

*September 12, 2016*

**mechanic**

Resolve a force of 100 n in to two compound of 200 n each drow sketch .solve this

*September 12, 2016*

**CHECK MY ANSWERS American Government**

my answers have * next to them 1. A political system that separates the law-making and law-enforcing branches is called what? (1 point) a federal system a parliamentary system a presidential system*** a unitary system 2. Which of the following statements best describes a ...

*September 12, 2016*

**Math**

In Marissa's calculus course, attendance counts for 10% of the grade, quizzes count for 20% of the grade, exams count for 55% of the grade, and the final exam counts for 15% of the grade. Marissa had a 100% average ...

*September 12, 2016*

**language arts**

Its A.

*September 12, 2016*

**language arts**

while cyril is smacking the sat cushion,his aunt invites him to look out the window what can you infer from these to details in The Story teller

*September 12, 2016*

**Social Studies**

Adventure is right

*September 12, 2016*

**Social Studies**

1. 3, 4, and 5. 2. 4 3. 2

*September 12, 2016*

**Social Studies**

1. Which are some characteristics of the Middle Colonies? Select all that apply. 1. Some colonists were skilled artisans. 2. They were all established as Royal colonies 3. Most colonists settled for religious reasons. 4. Agriculture was an important industry. 5. Colonies were ...

*September 12, 2016*

**Economic **

J make ice in 4 hours and make cream in 2 hours. P make ice in 6 hours and make cream in 4 hours. What is each opportunity cost of making ice

*September 12, 2016*

**physics**

a force of 20 N acts toward the east. Another force of 27 N acts at the same point toward the west. what is the magnitude and direction of a third force that produces a resultant of 10 N toward the east?

*September 12, 2016*

**Physics **

A car with an initial velocity of 8 m/s experiences a constant acceleration for 3 sec, after which the velocity is 17 m/s. a) What was the acceleration? b) How far did the car travel during that time interval? What would the equations be for each of these questions?

*September 12, 2016*

**maths**

Measure the height of students&estimate mean height

*September 12, 2016*

**Math**

A speeder passes a parked police car at 30 m/s and continues on, obliviously maintaining a constant velocity. At that instant, the police car starts from rest with a uniform acceleration of 2.44 m/s2. a) How much time passes before the officer catches up to the speeder? b) How...

*September 12, 2016*

**Math**

A car with an initial velocity of 8 m/s experiences a constant acceleration for 3 sec, after which the velocity is 17 m/s. a) What was the acceleration? b) How far did the car travel during that time interval? Please help!! ASAP

*September 12, 2016*

**Math**

How we find the 101th term in terms of x (n+1)x + (-1 + 2(n-1))

*September 12, 2016*

**math**

2x-1, 3x+1, 4x+3, 5x+5 ... find the formula

*September 12, 2016*

**Chhem**

What determines how long it takes salt water to evaporate

*September 11, 2016*

**Physics **

A car with an initial velocity of 8 m/s experiences a constant acceleration for 3 sec, after which the velocity is 17 m/s. a) What was the acceleration? b) How far did the car travel during that time interval? What would the equations be for each of these questions?

*September 11, 2016*

**Physics **

A speeder passes a parked police car at 30 m/s and continues on, obliviously maintaining a constant velocity. At that instant, the police car starts from rest with a uniform acceleration of 2.44 m/s2. a) How much time passes before the officer catches up to the speeder? b) How...

*September 11, 2016*

**physics**

You are driving your car along a country road at a speed of 21.5 m/s. As you come over the crest of a hill, you notice a farm tractor 35.7 m ahead of you on the road, moving in the same direction as you at a speed of 10.0 m/s. You immediately slam on your brakes and slow down ...

*September 11, 2016*

**Chemistry**

D

*September 11, 2016*

**Chemistry**

home / study / science / chemistry / questions and answers / a subtilisin with an active site mutation of his ... Question: A subtilisin with an active site mutation of His t... EDIT QUESTION A subtilisin with an active site mutation of His to Ala had a substantially decreased...

*September 11, 2016*