Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 564

**Computer**

My Guess is B

**Computer**

Your computer is running very slow. The LED light for the hard drive blinks nearly continually, indicating that the hard drive is spinning even when data is not being saved or read from the hard drive. Based on this scenario, what is probably causing the slowness of the comput...

**Computer**

Your computer is running a lot of services and applications when you log on that you never use. What implications can this mean for your computer? A. Unused services and applications take up valuable hard drive space. B. Your computer uses more power than it needs to. C. 32 bi...

**Last Question Plz helppp:((im soo sleepy!!:(**

1)The reaction between solid sodium and iron(III) oxide, Fe2O3(s), is one in a series of reactions that occurs when an automobile air bag inflates. 6Na(s) + Fe2O3(s) -> 3Na2o(s) + 2Fe(s) If 100.0 g of iron(III) oxide are used in this reaction, what mass of solid iron will b...

**Chemistry**

1)The following balanced chemical equation represents the reaction of calcium carbonate CaCO3 (s), with hydrochloric acid : CaCo3(s) + 2HCl (aq) -> CaCl2(aq) + CO2(g) + H2O(l) If 155 g of calcium carbonate reacts with 245 g of hydrochloric acid, what mass of calcium chlorid...

**Math**

Its 16-9 which is 7 and therefore it is 7/24:P so simple..

**Algebra**

Two functions f and g are defined by f:x = x^2 + 3 g:x = 2x+1 Find the function fg

**Algebra**

Two functions f and g are defined by f:x = 25 /(3x-2) g:x = x^2 Find the composite function

**physics**

An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale.

**Grammar**

Identify the parts of speech the this sentence. When they raise me to a high position, then ill get a raise

**math**

There are 12 slices of pie if jerry ate 1/3 of the pie, how many slices did he eat?

**chemistry**

A 93L sample of dry air is cooled from 145 to-22 under constant pressure.What is the final volume?

**organic chemistry**

What is the major product of the nitration reaction of 2-methylacetanilide? Why is it the major product?

**Chemistry**

A 0.08425 g sample of gas occupies 10.0-mL at 292.5 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound? Identify the geometry around each carbon atom. a)trigonal pyramidal b)bent c)tetrahed...

**Business Research**

A data processing analyst for a research supplier finds that a preliminary computer run of survey results show that consumers love a client’s new product. The employee buys a large block of the client’s stock. Discuss the ethical ramifications of this decision. Which...

**math**

4 3/4 + 3 1/2 ADD AND WRITE IN SIMPLEST FORM

**Factor Theorem Math**

Use the Factor Theorem to determine the rational zeros of this function. Then use other methods to determine any other zero of this function. 4x^4-x^3-11x^2-2x+6 (I already did p/q and found a total of 16 possible zeros. I synthetic divide all of them and none gave me a root o...

**physics**

Did you ever figure it out?? I am doing something VERY similar now

**Psychology**

Class x drugs have an extremely high risk of causing defects to the fetus during pregnancy, therefore the answer would be B.

**Trig**

Steve, you are the best! Thanks for your patience.

**Trig**

okay so, d^2=282.24+501.76-752.64(cos45°) =22.1749sqrt =4.7090 Not the same answer you got.

**Trig**

H=Home P=Pitcher S=Second Base HP=16.8 HF=22.4 Find distance PF d^2=16.8^2+22.4^2-2(16.8)(22.4)cos H d^2=282.24+501.76-752.64cos d^2=31.36cosH Stuck from here....

**Trig**

They aren't explained in a way that I can understand them. Can you explain more clearly?

**Trig**

A baseball diamond is a square with sides 22.4m The pitchers mound is 16.8m from home plate on the line joining home plate and second base. How far is the pitchers mound from first base?

**Math**

A baseball diamond is a square with sides 22.4m. The pitchers mound is 16.8m from home plate on the line joining home plate and second base. How far is the pitchers mound from first base? Step by step please.

**Trig**

Lol! Apparently I have been working on this question too long! Thanks!

**Trig**

Yes I understand the diagram points and can see how you came up with this now but am having trouble coming up with an answer for xtan6°=(1.1-x)tan13° I know this is basic but I am having trouble isolating the x! I am getting x=tan13°-tan6°/1.1 which is giving m...

**Trig**

Can you show me the steps you used to isolate x?

**Trig**

From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the oppisite side of the runway are 6 degrees and 13 degreess respectivel. The points and the tower are in the same vertical plane and the distanc...

**Math**

A 5.0m ladder is leaning 3.1m up the wall. What is the angle the ladder makes with the ground? Would this be..... sinA=3.1/5.0 sinA=0.62 sin^-1=38degrees?

**math**

Mrs. rhombus has to make supply bags for a math lesson. She has 60 folders, 45 pairs of scissors, and 30 rulers. What is the greatest number of supply bags that Mrs. Rhombus can use to divide the school supplies into equal groups?

**chemistry**

calculate the volume in milliliters of a 5.55g sample of solid with density of 3.67g/ml

**math 116**

Find value for m and b so that y=mx+b models the monthly cost of driving the car x miles. Car costs $156.10 and $0.25 per mile

**PHYSICS**

7227.1

**Math, Pre Calc**

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)

**sculpture**

I have Art III Ceramics. I need a concentration piece to make at least 5 sculptures. I decided on pandoras box. the 5 emotions that were chosen were hope, sickness, vanity, jealousy, and lazyness. I know this is an uncreative way to get a concentration idea but i have been str...

**POl**

An inactive substance or simulated medical procedure is called a

**economics**

what are some mesoeconomics variables/indicators

**Math**

No

**College Algebra**

R(x)=x^3-125/x^2-49

**econmics**

The %increase in price= (7-5)/5x100= 40% The %decrease in quantity=(25-15)/25 x 100= 40% Elasticity=40/40=1,unit elasticity.

**Trigonometry**

Would it be the same answer as the other problem?

**Trigonometry**

Use the half-angle identities to find all solutions on the interval [0,2pi) for the equation sin^2(x) = cos^2(x/2)

**Trigonometry**

Use the half-angle identities to find all solutions on the interval [0,2pi) for the equation cos^2(x) = sin^2(x/2)

**Trigonometry**

Show algebraically how to confirm that cos2x=cos^2x-sin^2x using the sum and difference identities

**physics**

if the swinging pendulum (pirate ship) swings on an arc with a radius of 10 meters, how much time does it take to swing through 5 swings?

**Math**

It cost your office $620 to mail 500 flyers. How much did it cost to mail each flyer?

**chemistry**

Na + H2O ¨ NaOH + H2 How many moles of H2 would be formed from 30 grams of Na in the following (UNBALANCED) equation?

**graphs and angles**

a survey about students government program at a school found that 120 students wanted an after school program and 240 students wanted durning school and 40 students wanted none, If a circle graph is made from this data, what would be the measure of the central angle for the af...

**Early Childhood Literacy**

Erikson's work identified:

**Algebra**

Haha its ok. Thanks for the help.

**Algebra**

Ay, my bad. Thanks :) and you mean x=5 or x=-4 right?

**Algebra**

Wouldn't it be x^2-20=4 since (1/4)•4x= (4x/4)? So that means it would be x^2-24=0, right? Where would I go from there?

**Algebra**

Solve for x: (x/4)-(5/x)=(1/4)

**Psychology**

What are the primary biological foundation of psychology linked to behavior?

**Statistics**

(53*8)+(21*6)+(26*4)= 654 654/100= 6.54 letters

**Physic **

A point charge q1=-8 is located at the orgin of a rectangular coordinate system. A second charge q2=6nC is located at a distance of 0.2m from the orgin on the positive x-axis, and a third charge q3=12nC is located at a distance of 0.2m on the positive y-axis. Find the magnitud...

**physics**

The electric field at a distance of 0.4m from a point charge q is 20.0N/C. Find the charge “q”. Help it seems simple but I keep getting a huge number

**Chemistry**

3.54*10^7 g of TiCl4(g) are reacted completely. If 7.91*10^6 g of Ti(s) is actually obtained, calculate the percent yield.

**physics**

a weightlifter lifts a set of weights a vertical distance of 2.36. if a constant net force of 335 N is exerted on the weights how much net work is done on the weights?

**Physics**

A car travels the same distance at constant speed around two curves, one with twice the radius of curvature of the other. For which of these curves is the change of the velocity of the car greater? Explain.

**Math**

Jesse has 2 1/3 pints of soup.He makes dinner for his friends and serves 1/2 of his soup.How much did he serve?

**Clac- math**

a 20 foot ladder leaning up against a vertical wall begins to slip. the base of the ladder makes an acute angle with the floor. when the angle equals 60 degrees the angle is decreasing at 0.1 radians/second. find the rate at which the height of th upper end of the ladder is ch...

**Chemistry**

What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivity?

**HELP12**

I think it's B

**HELP12**

D is not correct.

**HELP 7**

NOT!

**ENG**

No this answer is correct I have the definition written down and word for word verbatim it says Connotative Definition- Made up of the set of associations implied by a word in addition to it's literal meaning.

**Math**

Please someone help!

**Math**

Billy is standing 80 feet from the base of a building. The angle of elevation to the top of the building is 35 degrees. If the distance from Billy's eyes to the ground is five feet, how tall is the building?

**Algebra 1**

The x intercept is 9, and the y intercept is 9. Just plug in 0 for x to get y and 0 for y to get x!

**math**

the sale of drawing is 1/4 in. = 12 ft. find the atual measurement

**Chemistry**

A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C. His condition remains the same even a...

**Stats**

You are allowed to choose four whole numbers from 1 to 10 (including 1 and 10). You can only choose each number once though. Which of the following statements is FALSE? A. The numbers 4, 5, 6, and 7 have the smallest possible standard deviation. B. The numbers 1, 2, 3, and 4 ...

**geometry**

To the nearest tenth, what's the distance between the points k(7,-10) and M (1,4)

**math**

I figured these out, thanks anyway. they are: 2 42 and 62 81 and 144

**math**

I am a prime number. I am less than 40. I am 1 more than a multiple of 5. What number am I? I am a 2 digit number. My ones digit is 2. My tens digit is even. I am between 30 and 70. what number am i? I think either 42 or 62. I am a square number. I am more than 50. My digits t...

**math**

25, I figured it out.

**math**

i am odd, my digits add to 7, i am a multiple of 5. what number am i?

**math**

christine went shopping and bought each of her six nephews a gift, either a video costing $14.95 or a Cd costing 16.88. she spent 91.63 on gifts how many videos and how many cd's did she buy

**Math**

two forest fire stations,P and Q are 20.0 km apart, A ranger at station Q sees a fire 15.0 km away, if the angle between line PQ and the line form P to the fire is 25 , how far to the nearest tenth of a kilometre is statin P from the fire

**Math**

state the primary trigonometric ratio associated with angle a p(-2,5)

**health**

5 to 15 minutes

**Physic**

A 290-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 31° with the horizontal. What is the angular speed of the sphere at the bottom of the slope if it starts from rest?

**math**

If a quarter circle is placed on a square target and the radius of the quarter circle is the same as the length of a side of the square, what is the probability that a dart that hits the square does not hit the quarter circle

**physics**

The rear window in a car is approximately a rectangle, 1.1 m wide and 0.30 m high. The inside rearview mirror is 0.45 m from the driver's eyes, and 1.45m from the rear window. Part A What is the minimum length for the rearview mirror if the driver is to be able to see the ...

**Physics**

You are 1.9 m tall and stand 3.3 m from a plane mirror that extends vertically upward from the floor. On the floor 1.6 m in front of the mirror is a small table, 0.75 m high. What is the minimum height the mirror must have for you to be able to see the top of the table in the ...

**geometry**

Hello, Can some one check my work. I just want to make sure I answered the questions correctly. Thanks, Nikki 1) Every rhombus is a parallelogram. True 2) Every parallelogram is a rectangle. False 3) Every rectangle is a square. False 4) Every square is a rectangle. True 5) Ev...

**Chemistry**

Wow....how did I NOT see that...thanks DrBob... :-)

**Chemistry**

In order to make 1200mL of 2.0 M of sodium hydroxide, NaOH, from 9M NaOH, how many mL of the 9M NaOH should be used?

**Math **

How is scientific notation used in our daily lives?

**Physics**

A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left at 3m/s. What is the final magnitude and direction of the velocity of the stuck together balls after the collision?

**Health**

Thanks! The first link was very helpful. :)

**Health**

What is the average teen suicide rate in the state of New York, as well as the top five reasons (in order) for teen suicides there? Thanks :)

**Algebra**

Can anyone else help with the problems? Much appreciated :)

**Algebra**

Hi. I've tried doing these problems and got long decimals that don't make sense. Please help!! 1) 13x + 6=4x-4 2) (1/2)x + 8= 3x + 2 3) (n/3) + 8=n + 1 4) 2n + 3= 2n + 3 I don't know how I would find n in this one!! 5) 5x + 2(2x-1)=-16 Thanks so much for all the he...

**Algebra**

Thanks! That helped a lot! But now I have more questions...please see my other algebra question, as well as my health question if you can. Thanks!!

**Algebra**

How do I solve these equations? I was out sick a whole week :( please no direct answers. I want to know the process as well. -a=5 4/5x=20 -2/3y=-18 -x/3=18 Please note that the / are fractions. Thank you so much in advance!! :)

**math**

1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by

**health**

Write a 350- to 700-word paper in which you discuss corrections accreditation and privatization. Address the following questions: • What is corrections accreditation? How does corrections accreditation affect the professional development of corrections officers? How can i...

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