Saturday

February 25, 2017
Total # Posts: 105,637

**Chemistry**

In need of help setting up each of these problems. Under the conditions in a laboratory experiment, 0.0513 grams of aluminum (At. Wt.=27.0) was reacted with excess hydrochloric acid to produce hydrogen gas according to the following balanced equation: 2 Al+ 6 HCL -> 2 AlCl3...

*November 16, 2016*

**math**

Show me a fraction for. 12 markers 7 are blue the rest are red what is the fraction

*November 16, 2016*

**Math**

Nisha wants to study 5 hours at 1/3 hours per night. How many nights will she have to study?

*November 16, 2016*

**Math**

MY awsners a d c b b a d

*November 16, 2016*

**Math**

1. Graph the solution of the inequality. x ? 3 2. The number of words x Tina can type per minute is at least 50. Write and graph an inequality to describe this situation. (1 point) x ? 50; x ? 50; x ? 50; x > 50; 3. Gavin needs to read at least 150 pages of his book this ...

*November 16, 2016*

**Math**

0.375

*November 16, 2016*

**Algebra**

Your correct GOOD JOB

*November 16, 2016*

**SS (Social Studies)**

Whats your answers

*November 16, 2016*

**Physics**

A rectangular object has a width of 40 meters, height of 15 meters, and length of 2 meters. It floats consistently when 3 meters of its height is below the surface of the water. 1. Find the volume of the displaced water. - Is this the same as the volume of the object?

*November 16, 2016*

**physics**

One end of a spring is attached to a wall and Jamie pulls on the other end of the spring with a force of 100 N, stretching the spring by 19.5 cm. If Jason takes the end of the spring off of the wall and they both pull the spring with a force of 100 N, how far will the spring ...

*November 16, 2016*

**History**

I'll be BAC

*November 16, 2016*

**math**

In triangle ABC, AB = 3, AC = 5, and BC = 4. The medians AD, BE, and CF of triangle ABC intersect at the centroid G. Let the projections of G onto BC, AC, and AB be P, Q, and R, respectively. Find GP + GQ + GR.

*November 16, 2016*

**Science**

What parts of the earth did glaciers cover during the ice age.

*November 16, 2016*

**art/history**

Movement or minimalism

*November 16, 2016*

**finance**

Which of the following statements is/are true? 1. It is necessary to register with the state when forming a proprietorship. 2. It is necessary to register with the state when forming a partnership. a. 1 only. b. 2 only. c. Both 1 and 2. d. Neither 1 nor 2. I believe the answer...

*November 16, 2016*

**math**

800 or 400

*November 16, 2016*

**Career Research**

When you state what your goal is, or how much you need to complete, this is which part of the SMART goal? S for Specific M for Measurable A for Attainable R for Realistic I think A for attainable.

*November 16, 2016*

**social studies**

the job described would most likely satisfy a person who strongly values

*November 16, 2016*

**Calculus**

Find the value of the derivative (if it exists) of f(x) = (x+3)^(4/3) at x=-3. So I got (4*(x+3)^(1/3))/3 for the derivative and 0 for the final answer.

*November 16, 2016*

**math**

The difference between two numbers is 15 . Three times the larger number is eight times the smaller. Find the two numbers.

*November 16, 2016*

**Thanks Damon!**

Thanks Damon!

*November 16, 2016*

**Math 062**

In 1996,funding for a program increased by 0.21 billion dollars from the funding in 1995.In 1997,the increase was 1.05 billion dollars over the funding in 1996.For these years the funding was 10.23 billion dollars.How much was funded in each of these three years?

*November 16, 2016*

**Science**

A car starts from an initial velocity of 10m/s and accelerates at 2.5m/s².how long will it take the car to reach a speed of 40m/s.. How far doea the car travel during this time?

*November 16, 2016*

**Math**

60. All the students choose either music or art.

*November 16, 2016*

**supply chain management**

a) D = 2190 per year, ?d = Daily Demand = 2190/365 = 6 pairs per day, T = time between orders (review) = 14 days, L = Lead time = 10 days ?d=Standard deviation of daily demand = ?w/ 2.64 per day, ?LD+T= .I = Current Inventory = 65 pairs, Service Level P = 90%

*November 16, 2016*

**supply chain management**

,m

*November 16, 2016*

**Calculus**

How many critical points does the function f(x) = e^x - x^3 have?

*November 16, 2016*

**precalc**

Sketch the graph of the function f(x) = (x+4)3(x+1)(x?2)2(x?5). /(x+3)2(x+1)(x?3)

*November 15, 2016*

**Statistics**

A random sample of size n is to be drawn from a population with a mean = 1100 and SD = 300. What sample size would be necessary to ensure a standard error of 25? Sample sizes are whole numbers.

*November 15, 2016*

**Math Statistics**

Answer is D. Use a Calculator.

*November 15, 2016*

**Math Statistics**

N= 80 p = 0.7 x = 62? A) Exact: 0.0335; Approximate: 0.0334 B) Exact: 0.0343; Approximate 0.0334 C) Exact: 0.0343; Approximate: 0.0350 D) Exact: 0.0343; Approximate: 0.0342 Which one is the correct answer and can you show work please?

*November 15, 2016*

**Math**

a furniture company makes similar chairs for adults and children. The height of the adult chair is 80cm while the height of the childrens chair is 50 cm. what is the ratio of their widths

*November 15, 2016*

**Algebra**

133 is the product of 7 and gails savings. Use the variable g to represent gails savings

*November 15, 2016*

**pre calc**

Sketch the graph of the function f(x) = (x+4)3(x+1)(x?2)2(x?5)/ (x+3)2(x+1)(x?3)

*November 15, 2016*

**Math Statistics**

A random sample of size n is to be drawn from a population with a mean = 500 and sd = 100. What sample size would be necessary to ensure a standard error of 25? Sample sizes are whole numbers.

*November 15, 2016*

**math**

Sally at age 18 invests $3,000 in the bank account. The account rate goes up 5% annually. How much will be in the account, by the time Sally is 25?

*November 15, 2016*

**American Government**

D D A A D A B B C D Just took this test, 100%

*November 15, 2016*

**American Government**

F off mr sue. These were all write 100. BLESSED

*November 15, 2016*

**American Government**

Dear Ms. Sue just because someone got it right doesn't mean you have to be rude the answers are right .

*November 15, 2016*

**American Government**

5. d 6. a 10. d i just took the quiz and everything else was correct

*November 15, 2016*

**spanish**

The years from 1810 to 1825 were difficult for who because of the territorial losses?

*November 15, 2016*

**maths**

write 249cm to the nearest metre

*November 15, 2016*

**Chemistry**

What is the mass in grams of a 15.8 L sample of ozone (O3) at 1.67 atm and 30.0 °C?

*November 15, 2016*

**Chemistry**

What volume of dry NO at 25°C and 1.00 atm can be prepared by reacting 6.35 g of Cu with 25.0 mL of 6.0 M nitric acid, HNO3? 3 Cu(s) + 8 HNO3(aq) --> 3 Cu(NO3)2(aq) + 2 NO(g)+ 4 H2O(l)

*November 15, 2016*

**math**

The length of a rectangular garden is two less than thrice its width. How long is the garden if the area is 65m²? Please help

*November 15, 2016*

**Physics**

In what two positions will a converging lens form images of a luminous object on a screen located 40.0cm from the object?

*November 15, 2016*

**Chemistry**

What is Enthalpy?

*November 15, 2016*

**physic**

A long wire carrying a 6.0 A current perpendicular to the xy-plane intersects the x-axis at x=âˆ’2.0cm. A second, parallel wire carrying a 2.0 A current intersects the x-axis at x=+2.0cm. At what point on the x-axis is the magnetic field zero if the two ...

*November 14, 2016*

**Math : )**

Well first Find a common denominator for 1/5 and 7/8. Then multiply the number 7/8 by 30. you should get your answer If you find it hard to multiply convert 30 to 30/1.

*November 14, 2016*

**Algebra**

The difference of 2 numbers is 96. The larger number is 5 times the smaller number. What are the 2 numbers.

*November 14, 2016*

**Income Tax**

Della purchased a warehouse on February 25, 2015, for $350,000. $45,000 of the price was for the land. What is her cost recovery deduction for 2015 rounded to the nearest dollar?

*November 14, 2016*

**Social Studies**

Belief in one God

*November 14, 2016*

**Mathematics**

What number is 10 tens morw than 16,ones?

*November 14, 2016*

**math**

3.5 * 1000 = 5990 grams

*November 14, 2016*

**Math**

so, he has 9 and 1/4 lbs left. $15=9 and 1/4 lbs. calculate how much it is for one pound of apples.

*November 14, 2016*

**TIME**

okay, Thank you.

*November 14, 2016*

**TIME**

What time does this website go by? eastern, Pacific, etc. because I am getting confused becasue of it. Right now it is 2:34pm for me and It is exactly 3 hours ahead of me if that helps.

*November 14, 2016*

**yhsh**

the symbols were messed up, I believe, cause of copy and paste

*November 14, 2016*

**Physics**

I still don't get it. Can you clear it up a little please?

*November 14, 2016*

**Physics**

A sign weighing 500N is suspended at the end of a uniform 300N beam 5m in length, as shown. The beam is attatched to the wall with a hinge, and its other end is supported by a wire. What is the tension in the wire if it makes an an angle of 30o with the beam? Help please. Use ...

*November 14, 2016*

**Physics**

What is the answer? Is it 1.998?

*November 14, 2016*

**Physics**

A man stands on a freely rotating platform, as shown, holding an exercise dumbbell in each hand. With outstretched arms, his angular speed is 1.5 rad/s. After he has pulled his arms in, as shown, his angular speed is 5 rad/s. What is the ratio of his final rotational KE to his...

*November 14, 2016*

**Math**

Andy has 5 tools he uses in his carpentry shop. 2 at the tools are hammers. What fraction of the tools are hammers?

*November 14, 2016*

**math**

salil travels 9km towards east then8km towards north and finally 7km towards east . how far away is he from his original place?

*November 14, 2016*

**math**

salil travels 9km towards east then8km towards north and finally 7km towards east . how far away is he from his original place?

*November 14, 2016*

**chemistry**

Zinc reacts with sulphur to form zinc sulphuric 16.2g.Sample of zinc is reacted with log of sulphur(Zn=65,S=32,o=16) A)Write a chemical reaction for the reaction b)Calculate the number of moles of zinc atoms that reacted. c)Number of moles of sulphur atoms that reacted

*November 14, 2016*

**Math**

scalene triangle

*November 14, 2016*

**Calculus**

-14/24 = dy/dt?

*November 13, 2016*

**Calculus**

A ladder 25 feet long is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of 2 feet per second. How fast is the top of the ladder moving down the wall when its base is 7 feet?

*November 13, 2016*

**Statistics**

John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of s = 5 minutes. For a randomly selected morning, what is the probability that John’s drive to work...

*November 13, 2016*

**Graphing Linear Equations and Inequalities**

Graph: y<2x

*November 13, 2016*

**interior decoration**

Which of these floor color treatments would tend to make a room look warmer and cozier? A. Floor color matching the ceiling B. Floor color the same color as the walls C. Floor color a deeper shade than the walls D. Floor covering in any pale color

*November 13, 2016*

**accounting**

performed accounting services for kirby collected 3,500 cash. how would this journal entry be posted to the general journal

*November 13, 2016*

**accounting**

purchased additional office supplies from office depot paid cash check #0002. $75 how would this journal entry be posted to the general journal

*November 13, 2016*

**Social studies**

This was useless

*November 13, 2016*

**MATH CLASS 6th grade**

855

*November 13, 2016*

**Physics**

Avergae Force=Impluse/time Impulse=m(vf-vi) so 65(1.6) Impulse=104 Average Force=104/.3 which is 346.67 N (This is another way) 2nd part is asking for velocity not acceleration

*November 13, 2016*

**Math**

What is the slope of (3,-5) and (-4,6)?

*November 13, 2016*

**Algebra**

You are working as a caterer and needs 20 gallons of lemonade for an upcoming event the bottles of lemonade you are purchasing are in liters How many liters will you need

*November 13, 2016*

**math**

a bag has 6 marbles in it each marble is either red blue or green what is the least number of marbles that you must pull out of the bag to be sure you have two marbles the same color?

*November 13, 2016*

**chemistry**

Calculate the no.of moles (a)3.011 X 10power 23 atoms of He (b)1.505 X 10power23 of Co2 (c)6.022 X 10power23 atoms of Na (hint :nis equal to N/No)

*November 13, 2016*

**Math**

A machine prints 1500 newspaper in45 min . How many will print in 2 hours ?

*November 12, 2016*

**Math Word Problems**

Bart, Lisa and Maggie went to the "Integers Only Really Expensive Fruit Stand" to buy some fruit. Bart bought 2 pomegranates and 1 kiwi for exactly $16. Lisa bought one pomegranate and 2 kiwis for exactly $11. Maggie bought 1 pomegranate and 1 kiwi. How much did ...

*November 12, 2016*

**Calculus**

A ladder a = 20 feet long is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of b = 4 feet/second. Consider the triangle formed by the side of the house, the ladder, and the ground. Find the rate at which the area of the ...

*November 12, 2016*

**maths sir steve plz reiny plz sir damon plz help**

express 1.1 in surd form pllllllz step

*November 12, 2016*

**maths sir steve plz reiny plz sir damon plz help**

express 1.1 in surd form pllllllz

*November 12, 2016*

**science**

Who is the father of computer?

*November 12, 2016*

**Algebra**

so, did you plug your number into the formula?

*November 12, 2016*

**Algebra**

An object is dropped from a bridge. Find the distance the object has fallen when the speed reaches 60ft/s. Use the equation v=square root 64d, where v is the speed in feet per second and d is the distance in feet

*November 12, 2016*

**Science**

In many country celcius scales are used give reasons

*November 12, 2016*

**maths**

mary is now three times as old as susan. Three years ago,the sum of their ages was 22. how old is susan now

*November 12, 2016*

**maths help plz&plz**

The 79 members of a spot club play at least one of the following games Tennis, Football and Volleyball. 19 play Football & Volleyball and 29 play Tennis & Volleyball, n play all the three games. 2n people , each play only one game. How many play Volleyball altogether.? Plzzzz ...

*November 12, 2016*

**PHYSICS**

To pull a car out of a ditch, one end of the rope POR is tied around a pillar at P and the other end is tied to the car at R. A force of 100N is applied to the Center O of the rope and perpendicular to PR. find the tensions in the rope if the angle POR = 150 degrees

*November 12, 2016*

**Geometry**

In Parallelogram PARK, angle P = (7x) degree angle A = (3x - 20) degree angle K = (5y - 10) degree. What is x + y?

*November 12, 2016*

**Physical Science**

The sample of potassium chloride is a saturated solution.

*November 12, 2016*