Friday

July 1, 2016
Total # Posts: 98,023

**Intro to computers**

How do you change between worksheets inside an Excel Workbook?
*May 29, 2016*

**Physics**

A partially filled bucket of water sits on a scale and its weight is 4.8 N. A piece of metal is suspended from a thread and completely immersed in the bucket (but does not touch the bottom). The scale now reads 7.8 N. Find the volume of the metal.
*May 29, 2016*

**Science **

A man has a weight of 120kg what will be the Weight of same man on the moon
*May 29, 2016*

**Math**

do it yourself
*May 29, 2016*

**PHYSICS**

I don't know
*May 29, 2016*

**Integral calculus**

find the area of the surface generated by revolving about x-axis the upper half of the ellipse 4x^2 + 16y^2 = 64
*May 29, 2016*

**chemistry**

1737 g
*May 29, 2016*

**chemistry**

1737 g
*May 29, 2016*

**Chemistry- Dr.Bob222**

Using the Nernst equation, determine the diluted concentration for both cells. Show your work. Given that [Cu2+] and [Zn2+] are both 2M. Note: I know that the nernst equation is E= E*cell=(-0.0592 V/n)log Q where Q in this case are [Sn2+]/[Cu2+] and [Zn2+]/[Sn2+]. I think that...
*May 28, 2016*

**Chemistry**

2.8 4.1
*May 28, 2016*

**Chemistry- Dr.Bob222**

Using the Nernst equation, determine the diluted concentration for both cells. Show your work. Given that [Cu2+] and [Zn2+] are both 2M. Note: I know that the nernst equation is E= E*cell=(-0.0592 V/n)log Q where Q in this case are [Sn2+]/[Cu2+] and [Zn2+]/[Sn2+]. I think that...
*May 28, 2016*

**Algebra**

2x^3y^3-x^2y^3+2x-y factor by grouping
*May 28, 2016*

**foot hill**

1 (6 + x) - 5 = 12 3 x =
*May 28, 2016*

**Physics**

A hydraulic press has an input cylinder 4.0cm in diameter and an output cylinder 16cm in diameter. (a) Assuming 100 percent efﬁciency, ﬁnd the force exerted by the output piston when a force of 170N is applied to the input piston.
*May 28, 2016*

**Physics**

A partially filled bucket of water sits on a scale and its weight is 3.5 N. A piece of metal is suspended from a thread and completely immersed in the bucket (but does not touch the bottom). The scale now reads 7.5 N. Find the volume of the metal.
*May 28, 2016*

**Physics**

What is the Buoyancy force exerted on a 180kg iron anchor when it is immersed in seawater? The density of iron is 7.8×103 kg/m3 and that of seawater is 1.03 × 103 kg/m3 .
*May 28, 2016*

**Physics**

What is the Buoyancy force exerted on a 180kg iron anchor when it is immersed in seawater? The density of iron is 7.8×103 kg/m3 and that of seawater is 1.03 × 103 kg/m3 .
*May 28, 2016*

**Physics**

A raft is constructed of wood having a density of 6.00x102 kg/m3. Its surface area is 5.40 m2 and its volume is 0.45 m3. When the raft is placed in fresh water, to what depth h is the raft submerged by its weight? The density of fresh water is 1000 kg/m3. Hint: Use Newton’...
*May 28, 2016*

**algebra**

What is the degree of monomial 7a4b?
*May 28, 2016*

**Physics**

The mass of a liter of milk is 1.032 kg. The butterfat that it contains has a density of 865 kg/m3 when pure, and it constitutes exactly 4.0 percent of the milk by volume. What is the density of the fat-free skimmed milk
*May 28, 2016*

**Physics**

A thin sheet of gold foil has an area of 2.98 cm2 and a mass of 6.20 mg. How thick is the sheet? The density of gold is 19, 300 kg/m3.
*May 28, 2016*

**Math**

And then my answer for 25 is 210 by 42=5 1%=5 people 100% x 5 people=500
*May 27, 2016*

**Math**

Then for 22 I got: 65 X 0.6 X 1.05=$40.95
*May 27, 2016*

**Math**

I think I got 21. 10/$6.75 = $1.48 12/$.25= $1.65 so option 1 is cheaper.
*May 27, 2016*

**Math**

Hi can you please help me with these math questions? I really need to know the answers. 21. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is the better buy. Option I: 10 candy bars for $6.75 Option II: 12 candy...
*May 27, 2016*

**Mircro-Economics**

ggh
*May 27, 2016*

**Mircro-Economics**

please give me the right answer
*May 27, 2016*

**Mircro-Economics**

mu=p
*May 27, 2016*

**Chemistry**

Choose an alkane that is 6 to 10 carbon atoms in length. List the alkane's name and the other isomers you can properly draw and name. For example: Decane / isomer 2 methyl-Nonane. Do not guess. Draw out on paper then name for best results. Include the drawing of the alkane...
*May 27, 2016*

**math**

Is the term 33
*May 26, 2016*

**math**

how do we sub it in and evaluate
*May 26, 2016*

**math**

If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?
*May 26, 2016*

**math**

It's 7.5 not 8 ft?
*May 26, 2016*

**math**

A painter places an 8.5 ft ladder against a wall. The bottom of the ladder is 4 ft from the base of the wall. How high up the wall does the ladder reach? (hint: round to the nearest tenth)
*May 26, 2016*

**math**

27
*May 26, 2016*

**math**

The sales of a kids sneakers rose from $3 billion to $3.8 billion. Find the percent of increase to the nearest whole percent?
*May 26, 2016*

**Life orientation **

Clearly discribe a recent corruption and fraud case in the country making headlines in the media :who are the role players who got involved ,the extent to which it linked to ither crimes ,role played by the media and that of the state of deal with this crime. How fraud and ...
*May 26, 2016*

**Biology**

Scanning electron microscope and transmission electron microscope @ PsyDAG
*May 26, 2016*

**Biology**

@Ms.Sue can you plz help
*May 26, 2016*

**Biology**

In the microscope activity, you viewed some of the same specimens under multiple microscopes. Describe the differences in what you could see under each microscope. Which microscope would view small specimens the best and why?
*May 26, 2016*

**Math**

The answer is 28.26
*May 26, 2016*

**Math**

The capcity of an elevator is either 15 children or 11 adults.If 12 children are currently in the elevator, how many adults can still get in?
*May 26, 2016*

**Drivers ED check my answers**

2. A left front tire blows out. Unless you control the vehicle, what will probably happen? (1 point) You will slide in a straight line. Your vehicle will pull toward the shoulder. Your vehicle will pull to the left.***** Your vehicle will sway from left to right. 3. When ...
*May 26, 2016*

**maths**

in a building there are 9 floor above the ground level and 4 floors below the ground level if the ground level is represented by 0,what integer would best describe the floor 4 above the ground level?
*May 26, 2016*

**history**

Which sentences use a time-related term correctly? Choose all answers that are correct. A. Confucius was teaching in China in B.C. 500. B. The Roman Empire fell to Germanic Tribes in A.D. 476. C. Homer composed the Iliad and Odyssey in about B.C.E. 750. D. The Black Death ...
*May 26, 2016*

**Math**

tan(@) =opp/adj so tan53=6.4/adj adj=6.4/tan53=6.4/1.3333=4.8
*May 26, 2016*

**maths**

there are 6! total arrangement so it = 720 if the plate code is AS1234 and we have A (1234) S or S (1234) A for the numbers possible arrangement is 4!= 24 P(E)= 24/720=1/30 we have two ways P(E) will be 1/15.
*May 26, 2016*

**maths**

if a plate of car consists of two letters and four digits and one car chosen at random probabiliy the letters at the beginning and at the end
*May 26, 2016*

**Saint Hilary**

Jesse wants to use a recipe which calls for 1 1/2 tsp cinnamon to make as many cupcakes as he can. Jesse has only 1 tsp of cinnamon, so he cannot make a whole batch. What fraction of the batch can Jesse make if he uses all his cinnamon
*May 26, 2016*

**Physics**

Waves are coming towards your boat at a speed of 4 m/s, you are standing on the fish scale and notice that the reading on the scale changes up and down such that the lowest scale reading is ½ of the maximum scale reading. If the total vertical distance travelled by the ...
*May 25, 2016*

**Physics**

Waves are coming towards your boat at a speed of 4 m/s, you are standing on the fish scale and notice that the reading on the scale changes up and down such that the lowest scale reading is ½ of the maximum scale reading. If the total vertical distance travelled by the ...
*May 25, 2016*

**Math**

For pres and vp John and Joe is different from Joe and John This is why it is a permutation. on a commitee Joe and John are the same choice as John and Joe which requires a combination.
*May 25, 2016*

**Chemistry**

Does it have to do with the signs. Are they negative when you create the compound and positive when you break it apart? Something for you to think about.
*May 25, 2016*

**Quick physics help**

what does a mirror do to images that it reflects
*May 25, 2016*

**math**

thank you Ms. Sue u always are ready to help other people
*May 25, 2016*

**math**

The wheel in the figure has a diameter of 1 yard. The wheel is rolled forward as shown until the point marked A has undergone exactly one revolution around the wheel's axis. What number is represented by the distance in yards that the wheel has traveled along the ground? ...
*May 25, 2016*

**math**

In a box filled with 60 colored chips, 1/6 are blue, 1/2 are white, 1/4 are yellow, and 1/2 are purple. Find the probability of picking at random a purple chip or a white chip?
*May 25, 2016*

**MATH**

Find the largest possible rectangular area you can enclose assuming you have 128 meters of fencing.
*May 25, 2016*

**math**

882
*May 25, 2016*

**math**

Growing up you lived in a country village. When you left for college, the population was 840. You recently heard that the population has grown by 5%. What is the present population?
*May 25, 2016*

**Math**

To get to school, you need to walk 9 blocks south and then 12 blocks east. What's the diagonal distance from the start.
*May 25, 2016*

**Math**

A multiple choice question. The choices are 25, 30, 35, 45. Basically, eighty dollars with 2 sales added, one 25 percent and a 50 percent. I got 10 dollars please help
*May 25, 2016*

**Math**

A multiple choice question. The choices are 25, 30, 35, 45. Basically, eighty dollars with 2 sales added, one 25 percent and a 50 percent. I got 10 dollars please help
*May 25, 2016*

**Math**

Shoes are on sale for 15% off with an addition of another sale adding 25%. The shoes start at $80.00.
*May 25, 2016*

**Math**

I'm sorry I got 370 I think I'm wrong
*May 25, 2016*

**Math**

148 percent out of 250%
*May 25, 2016*

**Math**

5+x=59 What is x
*May 25, 2016*

**Economics**

a detailed explanation with graphs of how the price of milk would have been determined in the absence of government involvement in the market
*May 25, 2016*

**Chemistry**

its graphite
*May 25, 2016*

**Chemistry**

im pretty sure the answer is salt bridge
*May 25, 2016*

**U.S Histroy please help me**

Nope. He was extremely wrong. I got a 35
*May 25, 2016*

**science**

If element X has 85 protons, how many electrons does it have? electrons
*May 25, 2016*

**algebra**

assume kylie and caitlyn were extremely accurate and the correlation coefficient is r= 0.99. Find the line of best fit to model the data
*May 25, 2016*

**Algrebra**

A new high school has just been opened, with an enrollment of 1000 students. The school has 1000 lockers, numbered 1 to 1000, to accommodate them. On the first day of school all 1000 lockers are closed. The first student enters the school and opens all of the lockers. The ...
*May 25, 2016*

**school**

What effect does Sal’s visit with Margaret Cadaver have on her?
*May 25, 2016*

**Pre-Calc**

Find the probability for the experiment of selecting one card from a standard deck of 52 playing cards such that the card is a 10 or higher (aces are low). Is this 4/13?
*May 25, 2016*

**math**

when 2 is added to both the numerator and denominator, of a positive fraction, the fraction thus obtained is 3/5. If the denominator is 6 more than the numerator,what is the original value of the denominator?
*May 25, 2016*

**Maths**

x^3-x-2=0 correct to six decimal places by newton raphson method
*May 25, 2016*

**check my 3 world history answers**

2. All of the following were results of the Supreme Court's decision in Brown v. Board of Education EXCEPT: Schools were to be integrated "with all deliberate speed"**** Sit-ins and boycotts were declared illegal 7. All of the following were part of the Great ...
*May 24, 2016*

**Algebra**

A company manufactures high-end racing bicycles. The total cost to manufacture 28 bikes is $25005. The daily fixed costs are $2605. Fixed costs refers to expenses that must be paid even when producing zero bikes, such as rent, utilities, etc. Assume that total cost, C, is ...
*May 24, 2016*

**Physics help**

what does a mirror do to images that it reflects
*May 24, 2016*

**itt-tech**

The average mass of a male African elephant is 7,000 kg. Calculate it's weight.
*May 24, 2016*

**Algebra**

M Is The point (5,7) and N is (7,-2). Find the equation of a line parallel to MN which passes through the point (1,-3)
*May 24, 2016*

**engilsh**

Based on what you know about feelings between the American and Chinese communities, which of the following plot events is most likely to occur?
*May 24, 2016*

**Algebra**

The oldest child in a family of four children is twice as old as the youngest. The two middle children are 12 and 15 years old. If the average age of the children is 13.5, how old is the youngest child?
*May 24, 2016*

**science**

A ray of light travels from Liquid helium (n=1.03) into a second material. You gradually increase the angle of incidence until, at 83.6°, the light no longer passes into the second material. What is the index of refraction of the second material?
*May 24, 2016*

**math**

V = $20,000 - $2,500x describes the value in dollars of a certain model of car after it is x years old
*May 24, 2016*

**CHECK MY WORLD HISTORY ANSWERS**

* at the end of each question and a couple **** at the end of my answer 1. All of the following can be identified as being part of the counterculture which arose with Baby Boomers during the 1960’s EXCEPT: * a. “Don’t trust anyone over 30” b. Woodstock c. ...
*May 24, 2016*

**math**

The cost of a student ticket to the school play is $7. Write an equation that correctly relates the total cost, c, for a particular number, s, of student tickets purchased. Identify the independent and dependent variables.
*May 24, 2016*

**algebra**

It is known that a certain function is an indirect proportion. Find the formula for this function if it is known that the function is equal to 12 when the independent variable is equal to 2.
*May 24, 2016*

**linear-equations-in-one-variable **

the length of a rectangle exceeds its breadth by 4 cm. if length and breadth are each increased by 3 cm, the area of the new rectangle will be 81 cm sqsq morthan that of the given rectangle. find the length and breadth of the given rectangle.
*May 24, 2016*

**math**

Y=sin(cosx2)find dy/dx
*May 24, 2016*

**Algebra**

An airplane flies 3024 miles into the wind for 14 hours. The return trip takes 9 hours. Find the speed of the airplane without a wind and the speed of the wind.
*May 24, 2016*

**Math**

Rony, who is sixteen years old, is four times as old as his sister. How old will Rony be when he is twice as old as his sister?
*May 24, 2016*

**Algebra**

The admission fee at a local zoo is $1.50 for children and $4.00 for adults. On a certain day, 2200 people enter the zoo and $4,550.00 is collected. How many children and how many adults attended?
*May 24, 2016*

**Algebra**

My car gets 13 miles per gallon in the city and 30 miles per gallon on the highway. Suppose I used 15.867 gallons of gas and got an average of 15 miles per gallon for the trip. How many gallons did I use for each part of the trip?
*May 24, 2016*

**Algebra**

My car gets 13 miles per gallon in the city and 30 miles per gallon on the highway. Suppose I used 15.867 gallons of gas and got an average of 15 miles per gallon for the trip.
*May 24, 2016*

**Math**

A farmer builds a straight fence that's 49 ft. He puts a post every 7ft. How many post does he need. A post is at the beginning and end How can you show the relationships in the problem Solve and explain your reasoning 8 post. I cans draw a picture
*May 23, 2016*