Saturday

February 25, 2017
Total # Posts: 81

**Veterinary Medicine Math calculations**

I was so thankful to see this exact question answered in a different way but I still don't understand how I'm suppose to know how or what to do on the following question. I just seem to always forget something. Fifty milliliters of a solution of 50% dextrose is added ...

*February 6, 2017*

**Math**

The tornadoes have won 75% of their games. If they their next 4 games, their win percentage goes up to 80%. How many games have they played right now? (Please explain how to solve this problem)

*July 20, 2016*

**physics**

consider an inductive circuit suppose we want the current amplitude in a radio receiver to be 250*10^-6 A when the voltage amplitude is 3.6V at a frequency of 1.6MHz. what inductance reactance is needed?what inductance is needed?

*April 4, 2016*

**geography**

what is exsolation?

*March 6, 2016*

**Math**

Mr. Cole has $200. He keeps 3/4 of the money for himself and divides the rest equally between his two children. How much money does each child receive?

*February 18, 2016*

**Math**

Bailey has $105. She spends 3/7 on a new jacket and 1/5 on a new sweater. How much money does she have left?

*February 18, 2016*

**Math**

Mrs. Collin has 140 apples. She uses 2/5 of them to bake a pie and 1/4 of them to make jam. How many apples does she have left?

*February 18, 2016*

**Math**

Aaron has 120 sports cards. 3/8 of them are football cards and the rest are baseball cards. how many baseball cards does he have?

*February 18, 2016*

**physics**

but for my previous question if a sheet of mylar is placed between the plates how will the voltage across the plate and the charge density on the plate change?

*February 17, 2016*

**physics**

oh okai

*February 17, 2016*

**physics**

Three capacitors are connected to a battery of unknown voltage as shown in the circuit diagram above. The voltage drop across capacitor C 1 is V 1 = 11 . volts. a) What is the effective capacitance of the three capacitors? c) What is the voltage of the battery? d) Which ...

*February 17, 2016*

**physics**

determine the a)charge on the capacitor b)voltage across the capacitor c)current through the resistor after t=rc when a capacitor is getting charged interms of their peak values

*February 17, 2016*

**please help physics**

parallel plate capacitor has an area of 5cm^2 and a capacitance of 3.5PF. the capacitor is connected to a 12v battery .after the capacitor is completely charge up the battery is removed. a)what must be the separation of the plates and the charge density on the plate

*February 15, 2016*

**physics**

parallel plate capacitor has an area of 5cm^2 and a capacitance of 3.5PF. the capacitor is connected to a 12v battery .after the capacitor is completely charge up the battery is removed. a)what must be the separation of the plates and the charge density on the plate

*February 15, 2016*

**physics**

if the mylar is removed and the plates are moved 1mm further from each other what will be the voltage across the plate and how much work will it take to move the plate apart

*February 15, 2016*

**math**

find the equation of tangent line to the graph of f(x)=xcos(√2 x) at a=0

*December 27, 2015*

**math**

okay I get it and a is as you said just to say x

*December 27, 2015*

**math**

it will be y=x but how do we know it passes through (0,0)

*December 27, 2015*

**math**

yep thanks

*December 27, 2015*

**math**

sorry the question is f(x)=xcos(√2 x) at a=0

*December 27, 2015*

**math**

find the equation of tangent line to the graph of f(x)=xcosx(√2 x) at a=0

*December 27, 2015*

**math**

can't we cancel them out

*December 27, 2015*

**math**

the second derivative of f(x)=ln(x^2+1)

*December 27, 2015*

**math**

in an arithmetic sequence whose first term is 4, the 1st, 3rd and 7th terms form consecutive terms of geometric sequence, find the sum of the first three terms of the arithmetic sequence

*December 20, 2015*

**science**

i need help with a reason for the season science lab of how earth orbits sun

*February 8, 2015*

**history**

thank you :) is there any other sites that might be helpful?

*October 6, 2014*

**history**

yes please do you know any sites that would help me? i have been stuck on this for weeks

*October 6, 2014*

**history**

The Conflict : The India-Pakistani Partition Answer the following questions about the conflict you chose: 1.Who is involved (what countries/regions)? * 2.What is the basis of the dispute? (If there are multiple disputes between these two parties, focus on one.) * 3.When did ...

*October 6, 2014*

**Chemistry**

I need to balance the equation of the reactants NaHCO3->CuCl2 please help me.

*March 23, 2014*

**Chemistry 151**

5) How many mL of 1M HCl is used to make the following dilutions? a) 100mL of 0.1M HCl = b) 250mL of 0.5M HCl= c) 10ml of 0.01M HCl= 36.64 is the molar mass of hcl do I divide that into ml?

*March 16, 2014*

**Chemistry**

Find the molarity of 0.02g of silver nitrate dissolved in 1kg of water

*March 16, 2014*

**Chemistry**

Thank you very much for your time on this and the other problems I posted. You are appreciated. Selina Olomua

*March 16, 2014*

**Chemistry**

2) Given the balanced reaction equation predict the moles of each product given the following reactants: AlCl3 + 3 NaHCO3 Al(OH)3 + 3 NaCl + 3 CO2 AlCl3 NaHCO3 Al(OH)3 NaCl 58.4 CO2 a 1 mol 1 mol ? ? b 1 mol 3 mol ? ? c 3 mol 1 mol ? ?

*March 16, 2014*

**Chemistry**

2 NaOH + CuSO4 Na2SO4 + Cu(OH)2 100g of Cu(OH)2 is needed. Assuming 100% yield, how much of 1M NaOH and 0.5M CuSO4 must be used in mL?

*March 16, 2014*

**Physics**

A 2.2-kg baseball is pitched to you at 21 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.17 s, what is the magnitude of the average force the bat exerted on the ball? Please show all work and provide any ...

*July 7, 2013*

**Direct way to improve yield of ball mill**

The Ball Mill as a general grinding equipment, is widely used in dressing, building materials and chemical industry, ball mill can be divided into dry and wet type two kinds of grinding way. According to the row of ore in different ways, and can be divided Grate Ball Mill and ...

*June 13, 2013*

**The defects of ball mill**

The Ball Mill faults: (1) work efficiency is low, the power consumption unit. (2) the ball mill barrel rotational speed is low (about 15 ~ 27 r/min), if you use ordinary motor that. The average all need equipped with expensive reducer. (3) grinding medium in the impact and ...

*June 13, 2013*

**Life orientation**

Identify and describe three environmental health hazards that cause ill health ,crises ,and globally .include evidence that is current of the identified issues .use graph s,statistics,pictures etc to show evidence of your information.

*April 27, 2013*

**Life orientation**

Identify and describe three environmental health hazards that cause ill health ,crises ,and globally .include evidence that is current of the identified issues .use graph s,statistics,pictures etc to show evidence of your information.

*April 27, 2013*

**life orientation**

environmental health hazards that cause ill health,crises,and or disasters within your community or any other community within south africa and globally

*April 24, 2013*

**collage math**

f(x)=x^3+3x find the rate of change between the two stated values x:1 to 2

*December 26, 2012*

**Economics**

Suppose that you are a bicycle producer. In 2 or 3 sentences, explain why you are willing to supply the most bicycles at the highest price. You must use your imaganation to answer this in your own words.

*March 8, 2012*

**Art**

The last one has all the right answers but 4 is c

*February 20, 2012*

**life science**

true or false? The temperature varies greatly throughout the year in a tropical rain forest.

*February 8, 2012*

**chemistry**

hey drbob222, where did u get 500ml from? question is: 1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L flask, and it is ...

*October 14, 2011*

**chem**

where did u get 500ml?

*October 10, 2011*

**chem**

1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L flask, and it is brought up to volume. What is the resulting concentration of...

*October 10, 2011*

**physics**

A particle moving with uniform acceleration in a straight line was first observed to be moving at 4.5 m/s. After 10 sec, it was moving at 6.8 m/s. What is its acceleration?

*October 8, 2011*

**perimeter**

how to draw a 15 cm and 9 cm perimeter

*November 14, 2010*

**Chemistry**

I need to determine the "percentage composition unknown" whatever that is. My current data: a) mass of test tube and foil cover: 7.5323 g b)temp of water bath: 375.65 K c) mass of test tube and foil and gas as sample: 7.5423 g d) barometric pressure: 1.0190 kpa e) ...

*November 4, 2010*

**biology/poetry**

Plant life stretched up Hoping for sunlight Optimism failed Tall trees stealing the gold Overcast skies blocked the Sun, giver of life Yesterday--not a cloud in the sky Nightime, just quiet stars Terribly impatient for a new day Hot, warm, drenched in sunlight Everlasting hope...

*November 3, 2010*

**7th grade**

just 754/9471. Nothing else you can do :)

*November 2, 2010*

**8th grade**

As I do not know the context--perhaps she was faking an injury? It would be helpful to provide a source!

*November 2, 2010*

**geography**

very, very carefully. You probably shouldn't--for several reasons (which I will list) 1. You value your own sanity 2. You value your time 3. The constitution is a very long document, but to leave any part out would warp its meaning. The words are there for a reason. If you...

*October 30, 2010*

**minum distance**

Find the minimum distance from the point (3,0) to y=(x)^1/2

*October 6, 2010*

**Expository Essay Help**

John f. kennedy was born in a family with a history of political and public service

*September 4, 2010*

**Algebra**

You would take your answers and plug them in to the equation. 4(-6^2)+4(-6)-120=0 and 4(5^2)+4(5)-120=0 then work out the problems and if you are correct 0=0 Hope this helped

*May 12, 2010*

**arithmetic**

Thank you for correcting me, my finger must have hit the 5 instead of the 2. The answer is #3.12 Thanks

*May 11, 2010*

**arithmetic**

when you are working with a percentage you move the decimal two spots to the left and then multiply the purchase by the percentage of tax in decimals. $48x0.065= $3.15 I hope this helps

*May 11, 2010*

**algebra**

I know the answers I just am not sure how to work the problem to get them. (a)78 (b)67.5 Please help me with the working of these problems. Thank you

*May 11, 2010*

**algebra**

students in a biology class just took a final exam. a formula for predicting the average exam grade on a similar test t months later is. s(t)=78-15log(t+1) (a)find the students average score when they first took the final exam. (b)what would be the expected average score be on...

*May 11, 2010*

**algebra**

Suppose that $4000 is invested at an interest rate of 5.5% per year, compounded continuously. What is the balance after 8 years?

*May 9, 2010*

**chemistry**

Thank you guys I will try both suggestions

*March 2, 2010*

**chemistry**

How do I work out the density of HCI at 600 celsius ? Thanks

*March 2, 2010*

**Ethics ADJ/235**

CheckPoint: Interpretation of Ethical Systems Review the scenario in Situation 1 on p. 50 of the text.Write a 200- to 350-word paper in which you explain how you would respond to the scenario. Address these ethical systems in relation to the scenario: ethical formalism, ...

*October 15, 2009*

**math**

what is 3/4 times 11/12? thnx!

*April 2, 2009*

**4th grade**

1554

*January 8, 2009*

**9th grade**

ABUOYANTGIRLANT

*January 7, 2009*

**social studies**

during which twenty year period did the native american population of central mexico fall by around four million?

*September 18, 2008*

**math**

(-11) (1/8) find the product

*February 27, 2008*

**English expression**

internet friends

*February 27, 2008*

**math**

however,6 is not a variable..the question is asking to solve for y in terms of other variables

*February 14, 2008*

**math**

that means that still equal to 6 right?

*February 14, 2008*

**math**

{y-2}/(a^2-5a+6)=(a+1)/(a-3)-(a+2)/(a-2) How can I solve for y in terms of the other variables??? I tried many times, but I just get y=6,can't express y in terms of variables. Can anyone please correct me or teach me?THANKS A LOT!

*February 14, 2008*

**solcial studies**

what made Jamestown a bad settlement?

*January 17, 2008*

**Economics**

After the U.S. invasion of Iraq, the price of jet fuel used by airlines increased dramatically. As the CEO of Air Canada, you have been presented with the following options. Evaluate these options in the context of decision making model. a) raise airfares to offset cost ...

*January 14, 2007*

**acids and alkalis**

Vinegar soap Handwash Mouth Wash baking soda cold tea Ammonia Bleach Washing Powder Oven cleaner

*November 4, 2006*

**math**

how manyyards are in a mile? 1760 I think There are 5,280 feet in a mile. There are 3 feet in a yard. 1 mi x (5,280 ft/1 mi) x (1 yd/3 ft) = ?? Note that the first factor cancels miles and changes miles to feet, the second factor cancels feet and converts to yards. The idea ...

*October 22, 2006*

**sociology**

I am a student as well and having trouble with my ethnic class... how funny, we all hang out in here... good luck all!

*July 20, 2006*

**Math**

There are 5 rows - there are 4 items in each row - there are NO more than 10 items Any idea how this can be solved? Draw a 5 pointed star connecting all the vertices. Place one item at each vertex and one item at the intersection of the lines joining the vertices. Thus, 10 ...

*August 24, 2005*

**Math**

Only the 1, +, -, X, / , (, ), and = keys on a scientific calculator are working. How can a result of 75 be reached by pushing these keys less than 20 times? isn't five squared twenty-five, multiplied by three...

*August 24, 2005*

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