Sandra

This page lists questions and answers that were posted by visitors named Sandra.

Questions

The following questions were asked by visitors named Sandra.

Could you please help with some of my homework questions of nouns and pronouns We can help you better, if you give us the specific questions. However, here are some sites that may be helpful. I got them by using the key words "<I>noun pronoun</I>" to sear...

Describe the role civil disobedience played in the Civil Rights Movement. Civil disobedience means deliberately breaking a law that is believed to be unfair. When Rosa Parks sat in the front of the bus in Montgomery, Alabama, she was practicing civil diso...

I am supposed to make a table that lays out a day by day plan to use as a job aid for employment search that spans for 3 weeks. I am at a lost with this and do not understand. Can someone maybe provide me with an example? The first couple of days you shou...

What is the Net price and trade discount of a (Treadmill cost $3000) with a chain discount of 9/4?

How can a person distinguish between the prejudicial and nonprejudicial use of rhetorical devices?

I am a grandmother been out of school over 30 years, raiseing grandsons, trying to help with homework, can anybody help me?

How does the media relate to historical events?

Which two states each border eight other states, including each other?

I need help with these questions: Copy the equations. Add brakcets to make each one true. a) 7 - 5 to the 4th power divided by 8 = 2 b) 3 x 2 - 5 to the 10 power = 1 c) 39 - 4 + 6 divided by 3 to the 2nd power = 3

b = 6 --- --- 15 10 how do I solve this problems

Consider the choices of Native Americans who decide to stay on their tribe's native land (reservation) and those who choose to relocate to a city. If you were presented with this decision, which would you choose and why?

what is an average American perception of a Christian American and also that of a Muslim and Arab America?

List all the factors of 45

rearrange the words in the poem but you must use EVERY word in the poem The whiskey on your breath Could make a small boy dizzy; But I hung on like death: Such waltzing was not easy. We romped until the pans Slid from the kitchen shelf; My mother's counte...

I have to identify the verbs in the sentence and decide if they are linking,transitive, or intransitive. Please check these and let me know if they are correct. 2. She turned her face to the sun. (transitive) 4. The leaves on the tree turn bright red in t...

simplify x-3/3 - x-2/5 5(x-3) - 3(x-2)/15 5x-15 - 3x+6/15 is it :2x-21/15???

I have to draw vertical lines to identify the slot boundaries. Then, label each slot according to its form and function. At the end, I must identify its sentence pattern. I am clueloess with this!! 1. The evaportation of ocean water produces clouds. (___)...

R^2 + R^2 = R^3 Solve for R

A string passes over a frictionless, massless pulley attached to the ceiling. A mass m1=15.0 kg hangs from one end of this string, and a second massless, frictionless pulley hangs from the other end of the string. A second string passes over the second pu...

A rectangular swimming pool is 8 meters long and 12 meters wide. A tile boarder of uniform width is to be built around the pool usinjg 120 square meters of tile. How wide should the boarder be? Round anser to the nearest hundredth.

Use Le' Chatelier's Principle. a solution at equilibrium: BaCrO4(s)<> Ba^2+(aq)+ Cr)4^-(aq)recall: 2CrO4^2-(aq)+ 2H^+(aq)<> Cr2O7^2-(aq) +H20 2CrO4^2- yellow Cr2O7^2- orange Make predictions about colour changes or changes in the number of states a) To a...

A small company was founded by 2 electronic engineers, Tom and Jessica, 15 years ago. The company manufactures integrated circuits to capitalize on complex mixed-signal design technology and has recently entered the market for frequency timing generators,...

How are a retangle and a pyramid the same? How are they different

How do you find the critical numbers and the end points of this function: f(x)=2x^3-3x^2-12x+5 i calculated the critical numbers as x=-1 and x=2 is this right?!?!

-x/9=1/16 This is suppose to be solved using the multiplication principle. If possible please show me not just the answer but how you came up with it so I understand how to do these problems. Thank you

how to factor 3x^3+7x^2+3x+1

how to find the x intercepts for f(x) = 3x^3+7x^2+3x+1

how to find the x intercepts for f(x) = 3x^3+7x^2+3x+1 please show your steps

Nicotinic acid (niacin) is a monoprotic acid with the formula HC6H4NO2. A solution that is 0.012M in nicotinic acid has a pH of 3.39 at 25*C. What is the acid-ionization constant, Ka and pKa for this acid at 25*C? is the ionization equation: HC6H4NO2+ H20...

Calculate [Fe^2]+ when the cell reaction reaches equilibrium? A voltaic cell is constructed based on the following reaction and initial concentrations: Fe^2+,( 0.0055 M ) + Ag+,( 2.5 M ) ----> Fe^3+,( 0.0055 M ) + Ag(s) Calculate [Fe^2]+ when the cell rea...

How do I find the frequency of this oscilliating spring. A= 10cm displacement t= 1s h(t)= Acos2ðft

What is the wavelength of a ball that is 25.0 g traveling at 90.0 miles per hour (40.2 m/s)? I tried solving it by using c = wavelenth* frequeny but i get the wron answer

What is the total number of orbitals possible for n = 3

My new coworker, a Muslim,is actually quite nice

Decreasing cube. Each of the three dimensions of a cube with sides of length s centimeters is decreased by a whole number of centimeters. The new volume in cubic centimeters is given by V(s) = s3 - 13s2 + 54s -72. a) Find V(10). b) If the new width is s -...

Which numbers cannot be used in place of the variable in each rational expression? 2y+1 ____ y^2-y-6

Build each rational expression into an equivalent rational expression with the indicated denominator. -7yt= ? ____ _____ 3x 18xyt

Reduce to simplest terms,rational expression -2x-8 ______ x^2+2x-8

Perform operation 3/ * 2a+2/ a²+a 6

perform operatiion -2a²/ * 2a+2/ 3a² 15a³

Worker efficiency. In a study of worker efficiency at Wong Laboratories it was found that the number of components assembled per hour by the average worker t hours after starting work could be modeled by the formula N(t)=-3t+23t^2+8t

Perform the indicated operation (-2a²)/(3a²) X (20a)/(15a³)

What does American democracy mean to mean to you as an individual? What are some of the criticism of this style of government?

Show a complete solution. Upstream, downstream. Junior’s boat will go 15 miles per hour in still water. If he can go 12 miles downstream in the same amount of time as it takes to go 9 miles upstream, then what is the speed of the current?

Find a ratio, and simplify to lowest terms Rise and run. If the rise is 3/2 and the run is 5, then what is the ratio of the rise to the run?

Use a proportion Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food?

Bear population. To estimate the size Use a proportion to solve of the bear population on the Keweenaw Peninsula, conservationists captured, tagged, and released 50 bears. One year later, a random sample of 100 bears included only 2 tagged bears. What is...

Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food? 4/5=x/445 5x=1780 x=356 please check if completed right

Solve problem. Telephoto lens. find the image distance i for an object that is 2,000,000 mm from a 250-mm telephoto lens. tel formula is 1/f=1/o + 1/i 1/250=1/2,000,000 + 1/i 5i(1/250)=(1/2,000,000 + 1/i)5i 1/50i = 5i/400,000i + 5i/5i 1/10i = 5i/80,000i +...

A parabola has x-intercepts at 3 and 7, a y-intercept at -21, and (5,4) for its vertex. Write the parabola’s equation

Write each number in standard notation 3.4 x 10^7 = 0.00000034 is this correct

Reduce rational expression to lowest terms 3t-6/8-4t

Reduce each rational expression to lowest terms 3x^2-9x+6/10-5x

Reduce the rational expression to lowest terms 1/15abc (5a^3b^5c^2) =3a^2b^4c Is this right. I reduced,and cancelled out exponents.

Diagonal brace. The width of a rectangular gate is 2 meters (m) larger than its height. The diagonal brace measures sqrt6m. Find the width and height.

How to graph y= x+4

How to plot y=2x+4

The dosage of a certain medication is 1/4 ounce for every 50 pounds of body weight. How many ounces of this medication are required for a person who weighs 175 pounds?

The number of motor vehicles produced worldwide increased from approximately 57.5 million in 2000 to 60.3 million in 2003. Find the percentage change in motor vehicle production from 2000 to 2003.

A hockey puck is hit on a frozen lake and starts moving with a speed of 12.0 m/s. Five seconds later, its speed is 6.00 m/s. (a) What is its average acceleration? (b) What is the average value of the coefficient of kinetic friction between puck and ice? (...

The 15th floor meteorological observatory of the O&M building is 188 ft from the level of the main entrance. Assume that the temperature at the entrance is 25 degrees Celcius, that station pressure is 1000 mb, and the mixing ration is .010 kg/kg. What is...

How can you determine which acid solutions (all at 0.10 M) has the highest concentration of anions?

Where have canadians been involved in peacekeeping missions? where was their first mission?

You are on a TV show. You have been asked to either play a dice game five times or accept a $50 bill. The dice game works like this: If you roll a 1, 2 or 3, you win $46. If you roll a 4 or 5, you lose $22. If you roll a 6, you lose $85. Should you play t...

The current magnitude of the greenhouse effect is measured by the difference between the emission from the surface and the emission from the top of the atmosphere, G=¦ÒTs^4 −¦ÒTe^4 ¡Ö 150 W m-2. What would be the required magnitude of the greenhouse effec...

1/2 +(2/3 / 3/4) +(4/5 x 5/6)=

In your white paper presented to Tim and Anna, you shared with them the need to adopt a strategy that includes preserving current assets as well as creating future growth. As a result, you provided the tools they needed to consider to accomplish their goa...

How do I solve this problem: You buy a 75W lightbulb in Europe where electricity is delivered to homes at 240V. If you use the lightbulb back in the USA at 120 V, what will it's power output be?

The electric field is constant in magnitude and direction for the following arrangement of fixed charges: -Close to a point charge -Close to a dipole -Far from a dipole, i.e., at a distance greater than 10 times the charge seperation distance d of the dip...

Hi, O tried this question, but I'm getting an answer of 0.99 which rounds to 1, but it was not given as one of the answer choices...can u tell me where I'm going wrong? What I did was used the following simplified formula: Volume*density*g =q*E ; where I...

Posted by jude on Saturday, February 6, 2010 at 2:20am. Given a square of sidelength a = 5 cm. We place a charged particle at each corner, three of them carry + 2 nC of charge and one carries the same amount of negative charge. What is the magnitude of th...

How can the lack of a physical good in a pure service affect efforts to promote the service?

Consider the limit of large distances, where a finite charged rod is observed at a distance that is very large when compared to the length of the rod. In this situation, the electric field best resembled that of a ... point charge ... it goes like r^-2 in...

Factor 1-sin^3x

Use the cofunction identities to find an angle x that makes the statement true: tan(2x-140) = cot(x+5)

Thank you for answering my previous questions! I have another one now in regards to the following question... An unknown potential difference exists between the inner and outer surfaces of the membrane of a cell. The inner surface is negative relative to...

How does the capacitance of a parallel plate capacitor change when its plates are moved to twice their initial distance and a slab of material with dielectric constant К = 2 is placed between the plates to replace air? I think that the capacitance would b...

I'm really unsure of how to approach this question... Polystyrene has a very low dielectric constant compared to most other solid materials. Therefore, we predict for a polystyrene slab pushed between the plates of a parallel plate capacitor: a. that the...

Homework Help Forum: Physics Posted by Sandra on Sunday, February 28, 2010 at 10:20am. Thank you for answering my previous questions! I have another one now in regards to the following question... An unknown potential difference exists between the inner a...

I don't know how to approach this question... Any dielectric material other than vacuum has a maximum electric field that can be produced in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electri...

A simplified model for an erythrocyte is a spherical capacitor with a positive inner surface of area A and a membrane of thickness b. Use potential difference of 94 mV across the membrane and a dielectric constant K = 5.0. If the capacitance of the membra...

Can the following equation be used to solve the question? R = ρ L / A ; find L.. or is there another way? Question: A rectangular piece of gold is 2.2 cm long and 2.4 cm wide. How deep is the piece when it displays a resistance of R = 1.06 μω for a curren...

I need points and counterarguments on how globalization helps farmers in third world countries for my debate. I know that it opens up trade and has technological developments to create more efficient farming. But that's almost all I can think of.

Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve...

An electron and a proton execute uniform circular motion in the presence of a uniform magnetic field. If the radius of the circle is the same for both particles, which of the following statements is true? A)Both particles move in the same direction; the e...

For the answer to the following post, do you mean that the frequency does not depend on the radius? Posted by Johnny on Saturday, March 13, 2010 at 5:49pm. The frequency of circular motion for a charged particle moving around in the presence of a uniform...

Consider the current-carrying wires in the figure. I can try to describe the figure here.. - Diagram A has the wire coming from the left, it forms a loop in the centre in a clockwise direction and leaves going to the right. - Diagram B has the wire also c...

The refractive index of a material is different for different wavelengths and colours of light. For most materials in the visible range of the electromagnetic spectrum, shorter wavelengths have larger refractive index compared to longer wavelengths. The e...

You meet a person with prescription glasses of +0.55 dpt. What is the near point of this person? Express the result as a positive number! Hint: the near point of a healthy person is 25 cm. An object placed at this distance will form an image at the near p...

The allowed orbits for the electron around the nucleus of the hydrogen atom are explained by de Broglie as ... a. Quantized values for the total energy of the electron in the atom b. Quantized values for the angular momentum of the electron in the atom c....

In the absence of external torques, the angular momentum of a system is conserved. An artificial satellite orbiting the Earth quadruples its kinetic energy. Assuming no external torques act on the system, the radius of the orbit will ... a. Decrease by a...

Among Canadian households, 24% have telephone answering machines. If a telemarketing company contacts 2500 households find the probability that between 625 and 650 households, inclusive, have answering machines.

A 50 g ball of clay traveling east at 3.5 m/s collides and sticks together with a 50 g ball of clay traveling north at 2.0 m/s. What is the speed of the resulting ball of clay?

A firm's stock is selling for $85, Dividend yield=5%. A 7% growth rate is expected for the common stock. The firm's tax rate is 32%. (question) What is the firm's cost of retained earnings? a)8.16% b)12.00% c)12.35% d)cannot be determined

A 10 year bond pays 11% interest on a $1000 face value annually. If it currently sells for $1,195, What is its approximate yield to maturity? a)9.33% b)7.94% c)12.66% d)8.10%

Why am I stuck? How do I figure I must be really stressed because I cannot figure this out. you exmple 9.408^2 =88.51046? How do you get it? I have squared 9.408 on calculator and get 3.08 what am I missing?

Calculate the simple interest and maturity valve for the following problems. Round to the nearest cent as needed. 18,000,4 1/2%,18mo.

A disconcerted dog of a mass 7.80 kg is sliding down a frictionless plank which is inclined at an angle of 48.0 degrees to the horizontal. Calculate the force which accelerates the dog down the plank.

Help please-I'm doing something wrong- Solve 8x^2 + 6x + 5 = 0 I'm doing square roots and all the steps but it's not working out I come up with -0.38 + 0.5 and -0.38 - 0.5 But it's not right when I go to put it back in. Could you please show the steps-the...

A mixture of hydrogen and oxygen gas has pressure of 1.60 atm. Partial pressure of oxygen is 304 mmHg atm, what is the partial pressure of hydrogen?

Answers

The following answers were posted by visitors named Sandra.

Has anyone proofed your paper?

I was told that there were certain accreditations that are not concurrent with the actual degree that I am obtaining. I think that an associates degree is just the basic stepping stone to other degree's. Some of the courses transfer and some do not. It de...

I attended Axia and received my Associates degree in Business through them. I have currently transfer to the University of California- Berkley and have had no issues with the accreditations of Axia. Hope this helps make you decision a little bit easier.

A small company was founded by 2 electronic engineers, Tom and Jessica, 15 years ago. The company manufactures integrated circuits to capitalize on complex mixed-signal design technology and has recently entered the market for frequency timing generators,...

how to find the x intercepts for f(x) = 3x^3+7x^2+3x+1 please show your steps

I forgot to mention that forward arrow is suppose to be an equilibrium arrow forward/reverse

it'sh(t)= Acos2 pi ft

why is the answer 9 can you please explain

Perform operation 3/a^2 x 2a+2/6

Perform operation (-2a²)/(3a²) X (2a+2)/(15a³) Sorry this is my first time typing out math problems. Thank you for your help.

Here are questions to worker question solve the problem. a) Rewrite the formula by factoring the right-hand side completely. b) Use the factored version of the formula to find N(3). c) Use the accompanying graph to estimate the time at which the workers a...

5 is numerator/ y-3 is denominator y + 7/(2y-6) +1 y +7 is numerator, 2-y is denominator the whole thing +1

I just need help with the second question I already did the first one. I understand that some of the criticism are voteing, travel, I need a few more but I don't know what to put.

5x=1780 (4x445) 1780/5 x=356 checking to see if I completed right.

What's the point of this website if all the "help" is pure crap?

How to plot y=2x+4

The number of motor vehicles produced worldwide increased from approximately 57.5 million in 2000 to 60.3 million in 2003. Find the (percentage) change in motor vehicle production from 2000 to 2003.

yes and i think that around the charged parallel plates..the electric field charge is zero so would the answer be between the charged parallel plates? I can't visualize the question...about the parallel plates..are they one negative and poistive plate..or...

Is the point charge considered to have a charge of 1?

Sorry, my question got answered in a previous post. Sorry for the repost!

Thank you for clearing that up! I'm getting a wrong answer once again for this question though.:( I tried it your way, but I have a feeling I'm making a mistake somewhere. Please help! Here's what I did: For the -ve charge located at the top right coner o...

This answer was wrong though when I submitted it. If it's possible, can you please direct me to the mistake I'm making?

ok..so how would we find the forces acting at the center of the field? There will be two forces acting, one form the negative and one from the positive charge right? But if we use Coulomb's Law here.. wouldn't we need a charge in the center? I don't under...

A manufacturer of golf equipment wishes to estimate the number of left-handed golfers. How large a sample is needed in order to be 98% confident that the sample proportion will not differ from the true proportion by more than 5%? A previous study indicate...

If someone can help, I'd really appreciate it!

Thanks, so there wouldn't be any need to use the potential difference anywhere right?

Hi, thanks for answering. Apparently our professor wants us to do this question without using density. Is there another possible way to solve this question that you can direct me to?

Why wouldn't you use this formula? Q=Qmax*e^(-t/RC)

I don't know if this might help to visualize: A's loop follows the way the greek letter gamma makes a loop, while B 's loop is in the shape of an upside down omega( Ω )...

Would the answer be b.. What I did was figured out the relationship between KE and speed. If KE quadruples, speed would only double. I am not sure about the next step though, I just used the following equation: mvr = nk; this gives me that r and v are inv...

never mind i got it lol

is it 1200 loss?

A conditioned response is one that occurs without regard to the original conditioned stimulus. It is now a learned behavior. A. a gun-shy dog cowers when he sees a shotgun would be the best answer because the dog is reacting to the gun in anticipation of...

how many children work at factories and how many get hurt

1/16 basically you just solve 4^-2

Isn;t true that back in the 1700's and `800's rehilitation was nabuse to the inmates?

Amber, Too funny i have this same question for ec College Chem at Terra! In book page 303, 35 b. Answer back of text lol!!!

How would I put this question into power point presentation.

the answer is B

Sorry, I forgot to say that it told me to round it to two decimal places.

I did everything from the beginning and I didn't round anything at all until my last step where it told me to round to two decimal places. I still can't get the answer, though

Here's what I did: So I set values for: [Acetic Acid] = y [H3O+] = 10^-5 [Acetate] = 0.1M - y Ka = 10^-4.76 And from the equation: Ka = [Acetate][H3O+]/[Acetic Acid], I found y, or the molarity of acetic acid, to be 10^-6/(10^-5 + 10^-7.46). And from this...

Okay, so I found the ion concentrations through the Henderson-Hasselbalch equation, and the concentrations I got: [Acetic Acid] = 0.036525666 [Acetate] = 0.063474334 I got the same concentrations as when I did my ice chart, and I also got the same delta p...

Thanks a lot! I realized that I forgot to account for the volume change when I calculated my molarities for the base and the acid, and that was enough to get the pH off by 0.01.

I came up with (x+5)(x+6) = 0 x^2 - 11x + 30 = 0 Would that also be correct? Thank you for helping

I can answer my own question-NO yours makes more sense. Its the first day of these so I'm still alittle confused. Thank you for helping

So I didn't mean to put Te llamo Isabel as the usual way, I meant to say Me llamo Isable is the way I think we put it because that wouldn't involve reflexive in this case, I don't think.

Thank you for answering

9 days x 1/2 hour = 9/2 Now divide 9/2 = 4 1/2 Answer: 4 1/2 (improper fraction) 9/2 ( mixed fraction)

no, that's all he posted.

Should be sigma sign not signma sign

Thank you-I see where I made the mistake Funny!! I like that!

a number is represented by the variable x at least is represented by the ≥ symbol and the last part of the inequality is 15 so the answer is x ≥ 15

The price of a baseball glove is represented by the variable x the statement 'is at most' is represented by the symbol ≤ and then the price is $36.49 So the answer is x ≤ $36.49

the difference between 1995 and 2001 is 6 years, so you add 6 to 73.7 and you get 0.6t+73.7, that's the first set of answers. Next, you replace the t with the 11 to represent the difference between the next set of years (1995 to 2006) so the next set of a...

sorry about the mix up of 2001 and 2002, but the process is still the same

Global warming can be a problem

Thier creation allows the teacher to have time away from the childhood interaction with children.

Thank you. For the same question what is the answer if the n=∞ [compounded continuously]?

"How are a cat and a dog alike? An answer to this question requires:

The testing company has hired qualified people in the field to administer the new test bank to subjects of different ages and ethnic backgrounds.They need a sizeable number of scores from inner city,urban,and country/small town subjects.Their goal is to g...

If a firm temporarily suspends production due to matters of financial loss, is a shutdown of business, if a firm opts to “go out-of-business” primarily due to continual financial losses the business is inoperable and no longer conducting transactions. My...

Exists when a large number of sellers that produce products that are very similar but are perceived as different

2. Open-end Fund A has 165 shares of ATT valued at 425 each and 50 shares of Toro valued at $45 each. Close-end Fund B as 75 shares at ATT and 100 shares of Toro. Both funds have 1,000 shares outstanding. (G 17-4) a. What is the NAV of each fund using the...

A~handwritten applications

Thank you and I'm sorry for accidentally posting a few times. I'm truly sorry for asking the same question repeatedly because it said it wasn't submitting because there was no signal.

Oh dear, I am so stupid! Thank you. I can't believe that I didn't even realize that.

2 is wrong just took the test

#2 is wrong. just took the test

it would be equal.

Thank u Damon for your help

What exactly is the formula for it n jow did u get it?

Sorry, I left out a mood.

Yes, but they don't help me know exactly what the answer is. It could be all of them. I think it might be "giddy".

None that I can see but I think the answer is either 2 or 3. Correct?

Thank you - now it makes sense.

Actually the answer is: his children - took the test.

Thank you but could it also be 160.56 m or 160.23 m?

That helps alot - Thanks.

That did not help with the choices of .56 or .23 Any more help will be appreciated.

Sorry, I missed it. Thanks.

Yes a typo - thanks

Steve, I am sorry, I left out a number: What is the quotient? [(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]