Trig check my work please?

88,487 results, page 57

algebra

perform the operation and simplify the answer. sqrt 12x^3 . sqrt 3xy^2 Please show work.

math

Bob has 4 more dimes than nickels. He has 1.45 in all. How many nickels does he have? Please explain and show your work.

Math

I can't make this work. Please help? Insert parentheses when necessary to make the number sentence true. 5-3x4/6+4=-9 Thank you!

Chemistry

Compute the equilibrium constant for the reaction between Ni 2+ (aq) and Co (s). I'm not sure how to work out this problem. Could you please help me out? thanks.

Chemistry

What is the molarity of a solution that contains 0.30 moles of KBr in 400 mL of solution. Please show all work

Algebra

I need help solving an equation Solve the following equation for a. Please show all of your work. C = 1/6 (10b-7a)

Math - Solving Logarithms equation

Solve the equation below. Please show all of your work. Log3((x/2)-9) = 4

Math

Simplify the radical expression by rationalizing the denominator. 8(radicand)48/(radicand) 112x Please explain how to work this.

college algebra

solve the logarithmic equation. Please show all work. log5x+log5(x-3)=log5(x+5)

algebra

Write the slope-intercept form of the equation of the line.Please show work. Show in graph.(-3,-5)(6,1)

math

Could you please assist me on how to work this problem? A student wrote 5 + 24+6=5 + 25 + 24 + 6 by the associative property. what error did the student make?

math

Could you please assist me on how to work this problem? A student wrote 5 + 24+6=5 + 25 + 24 + 6 by the associative property. what error did the student make?

math

Could you please assist me on how to work this problem? A student wrote 5 + 24+6=5 + 25 + 24 + 6 by the associative property. what error did the student make?

geometry

Algebra BD bisects <ABC. Solve for x and find m<ABC. m<ABD = 4x - 16, m<CBD = 2x + 6 Please teach me how to work this.

calculus

Find the inverse the following function. Find the domain, range, and asymptotes of each. f(x)=In(x+1)+1 Please show work

math

find the inverse of the following function. find the domain, range and asymptotes of each. f(x)=In(x+1)+1 please show work.

Calculus

Find the derivative of the function using the definition of a derivative. F(x)=squareroot(1-3x) Please show work for understanding, thank you! :)

Chemistry

If Gold sells for $1200.00 an ounce, how many atoms of gold can you buy for a penny? Please, Show work.

algebra 1

Simplify using long division(please show work so I understand) 1.Divide (72-8x^2+4x^3-36x)by (x-3) 2.Divide (8b^3-6) by (2b-1)

Grd 12 Math

Can someone please help me work out how to get to the answer of: tanx + tan (pi-x) + cot (pi/2+x) = tan (2pi-x)

Math

A cube has a surface area of 24 ft2. What is the length of one edge of the cube? Show Work Please.

Algebra 2

Solving Quadratic Systems 16x^2-9y^2=144 y=9-x^2 Please show work I'm having trouble solving it.

physics

steven throws a 3.5kg ball at a speed of 25m/s. what is the momentum of the ball? Please show work

Math

Simplify each expression and state any non-permissible values. (5 marks - show your work) 3x+1/2x^2-2 + 2x+2/2x^2-8x+6 is the expression Can you help please?

Math Word Problems

If I have 12 brownies and Sue eats 2/3 of them, how many do I have left? Please show me the work.

Math

Please help me write this as a single fraction? Sorry my addition/equal key does not work - 3a-7b/2a plus 5a-4b/3a plus 3.

Math 222

Please help me solve this equation? Sorry my addition and equal key does not work. -x^2-3x plus 5 equal 0

physics

a car rounds a curve with a radius of 45.0 m at a speed of 22.0 m/s. What is the centripetal acceleration of the car? please show work

mathematics

Let A = (1,2,5) B = {1,2,4,5,6,8} and the relation R is "less than or equal to."Representing the relation BRA in set gives??? Please show me work

math help pleaseee

One of the zeros of the function f(x)=x^3-28x-48 is x=-4. Factor the function. Show your work. How do I solve this?? Please help??

English

Please please please check my answers and explain to me why they are right or wrong!!! 24.) Choose the correct voice of the underlined verb. (1 point) The pitcher THREW the ball to the catcher. a.) active** b.) passive 25.) Choose the correct voice of the underlined verb. (1 ...

Math(Please answer)

This is the same equation as before just with different numbers. y=yo + (vo sin Q) t - 1/2gt^2 This time the numbers are: 0 = 1.005 + (3.021 sin 30)t - 1/2(9.8)t^2 4.9t^2 - 1.5105 - 1.005 = 0 This is the part where I am stuck. Did I do this correctly? sin 30 = 0.50 X 3.021 = 1...

math

A machine has four components, A, B, C, and D, set up in such a manner that all four parts must work for the machine to work properly. Assume the probability of one part working does not depend on the functionality of any of the other parts. Also assume that the probabilities ...

precalculus

Can you check my answer? If it is wrong can you please explain why and give the correct answer? Use Gaussian elimination to write the system of equations given below in row-echelon form. 2x+4y+z=-4 2x-4y+6z=13 4x-2y+z=6 answer:2x+4y+z=-4 8y-5z=-17 z=1

Math

Hi! I’m practicing for the SHSAT, and I am doing some math problems. I don’t want to take advantage of this website, so I decided to ask you guys first. Am I allowed to ask lots of math questions? But I will answer them(at least the ones I know) could you help me check it...

my math

True or false? Intentionally writing a check on an account with insufficient funds is allowed under certain conditions. I say false? Ben Spender writes a $50 check which is returned by his bank with additional charges. The company he wrote the check to, Art Supply Inc., also ...

Theme please check

Could the theme be No women could change men The story is about a man marrying a women and the women wants the man changing his diet. The women bosses him around then the man finds another girl and takes off with her. He took off with her because the women bossed him around ...

Science

Someone check this please Consider a wetland ecosystem similar to the one shown in the image below. In this ecosystem are two species: a small fish species and a wading bird species that feeds on the small fish as its main source of food. Oxygen levels are a limiting factor....

English grammar check please

If someone could check these sentences for me that would be great. sentence beginning with a present participle: Beginning with Tom's conviction, Jem's belief in justice and the basic good of humanity is badly damaged. sentence that begins with a past participle: Brught to an ...

computer

A coworker calls you at 9:00 a.m. at work and asks for a favor. He is having car trouble and will be an hour late for work. He explains that he has already been late for work twice this month and that a third time will cost him four hours of pay. He asks you to stop by his ...

help with solving

x^2+(x-2)^2 = (2x-6)^2 solve for x. thanks so much. Please keep in mind that tutors here won't simply do your work for you. I'm sure you'll get a better response if you show your work as far as you can get, so tutors will know where you get stuck. =) it was a word problem and ...

WILL SOMEONE PLEASE HELP ME!!!!!!!!!

A cross between true breeding tall red flowered plants and true breeding short white flowered plants. Tall and red are dominant traits. What would be the expected ratios of phenotypes in the f1 and f2 generations? what is the exoected ohenityouc ratui if F2 ganeration if red ...

physics

Does the tension in the rope or chain of a swing do any work on a child who is swinging? No. Work is done when the force is applied in the direction of motion.

Math

A person begins work at 9:00am on the east cost and ends their shift at 1:00 am on the pacific coast. How many hours did they work?

physics-work

if 2.0 J of work is done in raising a 180 g apple, how far is it lifted? equation used to figure this problem out?

Math

A does 20% less work than B .If a complete a piece of work in 7& 1/2 hours then B can do it in options- 5,5&1/2,6,6&1/2 plz solve without using x and y method

The mind at work

Boss Tweed encourages his associated to work " like a well- oiled machine, " thus providing his workers with

Phsics

HOW MUCH WORK IS DONE With a HORIZONTAL FORCE OF 50.0 N AT AN ANGLE OF 24 degrees over a level distance of 5.0 m. What net work is done on the box?

a work having to do with thanksgiving and go

unscramble this work rssatwee

Literature

This is one of my pre-writing exercise: Have you ever noticed that some reviewers list the criteria they use to evaluate something right in their review? When you write your essay, you'll need to be clear what criteria you used to evaluatate the work. In this exercise, make a ...

chem

consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the...

chem

consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the...

Chemistry

A system has an initial energy of 117 joules. The energy equation includes --40.1 J of heat and -20.3 J of work. What is the final energy? Was heat added to the system or to the environment? Was work done by the system or to the system? Be sure to show all of your work and ...

math

Ex 2: -2x+7=22 -2x+7-7=22-7 -2x=15 -2x/(-2)=15/(-2) I do not have to switch the equality sign. Even if I did it would not look any different. x=-7.5 Check: -2x+7=22 -2(-7.5)+7=22 my solution is that x=-7.5 so I will just put that in to see if it works. 15+7=22 22=22 Yes. It ...

english

was given an assignment to write a paragraph essay about the short story"'the sniper''. And Ialready started and i want you to check my work if am on the right track.I started by writing my general statement. iNTHE SHORT STORY ''tHE SNIPER'' the author descibes the realities ...

english

was given an assignment to write a paragraph essay about the short story"'the sniper''. And Ialready started and i want you to check my work if am on the right track.I started by writing my general statement. iNTHE SHORT STORY ''tHE SNIPER'' the author descibes the realities ...

Help!!

What was the main concern for Anti-Federalists in passing the US Constitution as written after the Connecticut compromise? please someone tell me good site and please tell me how can I answer it, Check this site. http://en.wikipedia.org/wiki/Anti-Federalism

Chemistry - radioactivity

Hello Dr.Bob. Could you check my work please? I'm not sure if I'm right in how I solved this problem. Which of the following nuclides are most likely to decay via beta decay? A) I-131 B) Pb-206 C) F-18 D) Zr-90 E) Ar-40 I know that nuclides undergo beta decay when they are too...

math 012 please help explain

can someone please help explain how to do this problem. i have a previous posting where i tried to work the problem out, and someone tried to explain where i was confused, but im still confused. 4(2n+1)=3(6n+3)+1

algebra

pedro and juan can do a piece of work in 3( 3)/(7) days. if pedro works in 3 days and juan in 4 days, they will finish the work. find the time required by each to do the work.

Algebra

pedro and juan can do a piece of work in 3 3/7 days. if pedro works in 3 days and juan in 4 days, they will finish the work. find the time required by each to do the work.

7th grade math Ms. Sue please!

Hi! Can you check my answers please? Thanks! And, can you help me with 3 please? I have tried and tried but I cannot solve it can you explain how? Thanks! 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3...

Math: Homework Questons (answer quick)

Can you check if the answer is correct and of there any grammar mistakes. Write True or False and EXPLAIN your reasoning for the answer!!!! 8. (5 - 2) - 1 = 5 - (2 - 1) Answer: True Reason: The reason why my answer to this question is true is because when we change the ...

math

Which of these numbers is irrational? check mark sign 3 0.25 1/5 check mark sign 9 I think it is the first one

Trig/Pre-Calc...

Please help me with this. The finishing time for a runner completing the 200-meter dash is affected by the tail-wind speed, s. The change, t, in a runner's performance is modeled by the function shown below: t= 0.0119s^2 - 0.308s - 0.0003 Predict the change in a runner's ...

Please Help

A bottle contains 0.5 quarts of grape juice. Keisha will use o.2 of the grape juice to make fruit punch. How much grape juice will keisha use for the fruit pumch? a. 0.3 b. 0.2, c 0.1 or d 0.01 I chose 0.3 but according to the teacher's edition it says the corrcect answer is c...

Co-op

I have to writeabout the work setting and work environment of a pharmacy technician... I am allowed to copy and paste from a website as long as you reference it so I did... but all in all this is what I wrote.: Work environment: Pharmacy technicians work in clean, organized, ...

Physics

During an adiabatic process, the temperature of 6.50 moles of a monatomic ideal gas drops from 525 °C to 169 °C. What is the work done? Here is my work, is it correct? T1 = 525+273 = 798 K T2 = 169 + 273 = 442 K work done = R[T2-T1]/1-gamma = 8.314[525 - 798]/(1-1.67) = - ...

English

How is Hamlet hypocritical with Rosencrantz and Guildenstern? Provide 2 examples. Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. Be sure to go back into your textbook or use...

Chemistry Help? Thanks

At what temperature do KCL and KNO3 have the same solubility If a saturated solution of KNO3 at 20.0 C is heated to 80.0 how much more could be dissolved? If a saturated solution of KCL at 90.0 C is colled to 30.0 C how much of the solid will precipitate? How much NaCL will ...

CHEMISTRY

At what temperature do KCL and KNO3 have the same solubility If a saturated solution of KNO3 at 20.0 C is heated to 80.0 how much more could be dissolved? If a saturated solution of KCL at 90.0 C is colled to 30.0 C how much of the solid will precipitate? How much NaCL will ...

Physics -- check answers

1. In moving an object of mass 10 kg through a distance of 8.0 m, 40 J of work is done. The average force exerted is? my answer: 320N 2. What is the kinetic energy of a 20 kg object moving at a speed of 10 m/s? my answer: 1000J 3. the gravitational potential energy of a bird ...

English

I urgently need to know if the word choice and tenses are correct. Thank you. 1) Enter the airport and check your flight number and the boarding time of your flight on the departures board. 2) Before going to the check-in desk make sure your baggage doesn't exceed 20 kilos. ...

Law

Please check my answer thanks :) A Dr is treating a pt for schizophrenia he tell the dr that he plans to kill Sally when he is relased from the hospital the believes that but he does not contact Sally. Sallty then sues the doctor the basis of her cliam is what.. I said Failure...

French

Can someone please check to make sure this is correct: Chère Famille Rosseau, Merci pour m'inviter rester chez vous! (should translate to "thank you for inviting me to stay at your house.") Merci beaucoup!

History of health care

Please check my answer thanks :) If you need to talk to someone about getting additional coverage to Medicare Parts A and B what organization should you contact ? I am not to sure is it Blue cross and Blue Shield

medical info mangement

Morris Wesley Hospital is a multi-facility, for-profit hospital. What type of owneship is this ? 1.Church affiliated 2. Federal 3. State 4. Non-governmet proprietary I picked 4 please check my answer thanks

Health/Specialty Exams and Advance Techniques

please check my answer thanks The level on decline in a 66- year old patient is most likley affected by A. gender B. race C. social factors D. age I picked D. (age)

office practices/ medical

please check my answer thanks True or False A company that provides comprehensive health care services on a prepayment basis to voluntarily enrolled participants is called HMO I said True

dog behavior

please check my answes thanks so much :) Which one of the following commands allows a dog to be in any position? A. Sit B. Down C. Controlled walking D. Quiet attached stay I picked D tho C looks good to

SEARCH AND RESCUE TRAINING

Please check my answer thanks :) An individual SAR team's mission is to A. clear the area and search for clues. B. camp out in the woods. C. help other teams. D. find the missing person. I said C

U.S.History

please check Most pioneers who settled west of the Appalachins were a. families looking for good land b. miners looking for gold and silver c. missionaries seeking converts d. bankers from New York and Boston A

early childhood literacy

words are a. convenient communication shortcuts b. not arbitrary symbols c. unique to each individual in English d. thoughts written down. Ichose A as i am aware that they are aribitrary symbols but it has the not in front. cansomeone please check for me

Spanish-7th grade-Please check

1.I fold the clothes. Yo doblo la ropa. 2.My padre vacuums. Mi padre pasa la aspiradora. 3. I make the bed. Hago mi cama. 4. I take out the garbage. Yo saco la basura.

English

I vary the last sentence. Could you check it please? In conclusion, he says that though the populations of many marine species are decreasing very quickly, people have not been aware of the problems with ocean wildlife because these species are not visible.

Chemistry(Please check, thanks)

For C4H10O a constitutional isomer can be written as C-C-C-C-O-H with hydrogens also coming off of the 4 carbons. I know that this is an alcohol. I need to know if there are stereoisomers for this other than conformers. I think that there are stereoisomers because you can just...

Math 8R - HELP! (homework qs. check)

Simplifying Algebraic Expression Using the Distributive Property & Combining Like Terms Simplify: -3 (2+3x) + x - 5 -3(2) + -3 (3x) + x - 5 Answer - 6 + -3(3x) + x - 5 Is the answer is correct??? I'm getting a bit confused and struggling a lot in this problem. Please help me!

chemistry urgent

I think I balanced these equation right please check and let me know. i am suppose to complete and balance the equations representing the reactions. NaHCO3 (s) + HCL (aq) >>>> NaCl + 2CO+H2O CaCo3 (s) + HCL (aq)>>> CaCl + CO3H Thanks

CHECK PLEASE !!

i think its growth ~ The leaves on a green plant soak up sunlight to make food. A cow's stomach digests grass that was eaten. These are examples of which characteristic of life? A. growth B. homeostasis C. metabolism D. heredity

Algebra 1 Check My Answer Please.

2.Find the slope of a line that passes through (–2, –3) and (1, 1). The fraction one third.< 1 2 The fraction four thirds. 3.For the equation –4y = 8x, what is the constant of variation. –4 –2 1 < 2 4.Suppose y varies directly with x, and y = 24 when x = 8. ...

Please Check: College Physics

A 8 kg block is moving with an initial speed of 6 m/s on a rough horizontal surface. If the force is 12 N, approximately how far does the block travel before it stops? *I have: V^2=Vi^2+2ax 0=(6 m/s)^2 + 2(-9.8 m/s^2)(x) -36 m^2/s^2 = -19.6 m/s^2(x) x = 1.83 m. *Is this ...

CHECK MY ALGEBRA 2

Using the function g(x) = −2 |2 - x|+ 4 and the initial value of 1.72, what is the loop that forms after many iterations? My answers are 2.24, 3.52, 0.96, 1.92, 3.84, 0.32, 0.64, 1.28, 2.56, and 2.88 I'm not exactly sure if this is correct because I feel like there are ...

@nonya

Please do not post an entire test ... with not a thought of your own. Go through your questions and post ONLY those that you have serious doubts about ... AND include what YOU THINK each answer is. Then someone here will check your thinking.

Science

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30 x 10^3 kg/s with a ...

Spanish

I am working on the challenge of "if . . . then" statements, and after some work feel I am getting it. But when trying to put in objects with them I feel unsure. I am hoping someone can check these: Le presté a mi hermana dinero. Si no hubiera sabido sus problemas, no se lo ...

Significant Figures

Report the following to two significant figures a. 3.1459 b. 6.003 c. 42 d. 6.0233 x 10^23 e. 14.456 + 3.87 f. 9.9999995 - 0.0108 g. 67.3 x 6.667 h. 4.93 / 3.946 Can someone please check my answers a. 3.1 b. 6.0 c. 42 d. 6.0 x 10^23 e. 18 f. 10. g. 4.5 x 10^2 h. 1.2

Health 8th grade

Please check my answer thansks :) Invasive sampling of the blood from the _______ would reval that the blood is mostly dexygenated My answer is pulmonary arteries

Health

please check my answer thanks True or False Regarding the development and function of the breasts, progesterone is involved in the development of the excretory portion of the mammary gland I say true

Dog Breeds

Please check my answer thanks 2. A purebred Maltese has mated with a homeless mutt. The puppies produced will be A. mostly purebreds. B. mixed breeds. C. purebreds. D. pedigreed. I say B

Dog Breeds

Please check my answer thanks 2. A purebred Maltese has mated with a homeless mutt. The puppies produced will be A. mostly purebreds. B. mixed breeds. C. purebreds. D. pedigreed. I say B

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