Trig check my work please?

87,593 results, page 54


Solve the logarithmic equation. Please show all of your work. Loga(x+4) + loga(x-4) = 4

University Math

If f (x) = (x^2+5x+2)^2, find f'(x). Find f'(5). Please show your work and explain it so I can understand how to solve this. Thanks


3/4 of a number is 1/2. Find the number in the lowest terms... please show work I am confused


Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15


Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15


Assume sin A = sin B. If A = π/8, find B. Please show work so I'll know what to do.


Can someone please work out the steps in solving this elimination problem. Thank you. The problem is x + 2y = -7 x - 5y = 7

Algebra 2

Solving Quadratic Systems 2x^2+5y^2=53 4x+y^2=17 Please show work I'm having trouble solving it.

Algebra 2

Solving Quadratic Systems x^2+y^2=2 x^2-6y=10 Please show work I'm having trouble solving it

Algebra 2

Solving Quadratic Systems x^2+y^2=20 x^2-6y=28 PLEASE SHOW WORK I'M HAVING TROUBLE SOLVING IT


can you help me graph the function y=-5(3^x)please? f(x)=-5(3^x) f(x)=-5*3 f(x)=-5(9) =-15 =-45 Is this the correct way to work this problem out and how to I graph?


Explain how the historical context of a work can impact that work?

algebra 2

how do i work this 3x2-2x-8=0 the solution is -6 and 4 how do you work this out for my class

Work Ethic

How do I work efficiently without getting distracted?


I need help with this question please help, I just don't understand it Fe3+ (aq), Ca2+ (aq) and Ba2+ are all present in the same solution. Fully describe a procedure whereby you could separate these ions from one another Mr Pursley posted this response, but I don't understand ...


Can you please check the following sentences? I just want to make sure that the tense choice is correct. 1.Enter the airport and look at the departures board to check your flight number and the departure time of your flight. 2.Go to the check-in desk to weigh your luggage. ...


Please check for any error and correctt them. THanks!!! We have your letter dated August 17; concerning alternative dates to take discover disposition of the plaintiff and the defendant of this case. We suggest that the disposition be scheduled 1:30 p.m. at your office on ...


Which of these is the best definition of freedom of expression? A. expression that doesn't cost anything to have or share B. uncensored speech, art, or other means of communication. C. wild, uncontrolled expression of ideas D. information and ideas that are changeable and ...

Physics help please!

The engine has an efficiency e1. The engine takes input heat Qh from a hot reservoir and delivers work W1. The heat rejected by this engine is used as input heat for a second engine, which has an efficiency e2 and delivers work W2. The overall efficiency of the two-engine ...


Of 43 bank customers depositing a check, 18 received some cash back. (a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (b) Check the normality assumption.

Civics to Ms.Sue

Ms.Sue can you check my questions below I like when you check them and suggest what's best. I just need to finish this study guide so I can start studying on the right questions and not on the wrong ones.

chemistry(check my work)

When a reaction mixture with a total volume of 1720 mL that contains 0.605 L of gaseous CO2 measured at STP dissolved in 940 mL of water was stoichiometrically produced as per the balanced equation, how many mol of solid CaCO3 were required? H2SO4(aq) + CaCO3(s) → CO2(g...

Math Check

Hi! Can someone check this for me? Thanks! Question: Determine if v and w are equal If v = Ray AB and w = Ray CD, where A (23, 11), B (10, 15), C (13, 15), and D (0, 11. (True or False) My answer: False

Math Check

Hi! Can someone check my answers? Thanks! Questions: 1.) What are all of the foci's for this Ellipse? (x-2)^2/3 + (y-2)^2/4=1 A.) (3,2) B.) (2,2) C.) (1,2) D.) (2,3) E. (2,1) My answer: B & E. 2.) What is the eccentricity for this Ellipse? A.) 2 B.) 1/2 C.) 3/4 D. 1 My answer: A.


Could you please check the following sentences? Thank you very much. 1) He gives Coketown human characteristics (not "a human aspect"). 2) Coketown starts to assume human characteristics/connotations He personifies the town. 3) He refers to his students emphatically with their...

Social Studies

Please check the 6 questions with my answers. Thank you. Social Political Economic? For each of the following statements, determine whether the statement is Social, Political, and/or Economic in nature. Some statements can be two or more types. 1. "The federal government took ...

5-6 th grade self contained spec ed class

HELP! NExt year I am the 5th and 6th grade self contained Spec. Ed teacher. I have ONE 5th grader and about 10 6th graders...HOw do I teache rboth curriculums in one day??Particularily Soc. Studies and Science?? Thanks Please check with your principal, special ed or curriculum...


On summer vacation, I went to Spo1 Park. I went there by car. In the swimming pool of Spo1 Park, I enjoyed swimming and learned how to swim on my back (how to swim the backstroke, how to do the backstroke). It was not easy to swim on the back. I always feel so happy when I ...

Algebra: Please help

Solve for B: square root b^4/25 = 4. A.) 2 B.) +/- 5 square root 2 C.) 3 D.) +/- 2 square root 5 I don't know how to do these so please show your work. Thank you.

Solving Trig Equations

Solve for x in the interval [-pi,0] a) sin^2x = 3/4 I know that you have +root3/2 and -root3/2 and the positive one gives you an error when doing the inverse of sin, but im confused about the -root3/2. I found that one of the answers of x is -pi/3 (-60 degrees) which fits my ...


Can somebody please check my answer for this one? Calculate the number of atoms for the following: 2 mol Na atoms I got 1.2*10^24 Correct. twice avagradro's number. Thank you!


Please check my answer thanks :) THe question is which of the following is a sentence fragment. 1 When we stopped by the garden. 2 We stopped; she didn't. 3 Take the flowers to your mother. 4 When did you go ? I picked answer # 1 is that right

Math please check answer

Amy bought a computer for a total of $676.24 In the state where she lives the sales tax is 7% What is the amount of her sales tax ? I got $44.24

sensory abilites of the dog

please check my answer thanks A dog's ability to smell can be disturbed by problems with the A. ears B. teeth C eyes D tongue I said teeth (b)

dog behavior

Please check my answer thanks True or False Robert Rescorla studied the effects of rewarding a dog for not jumping on people I said False

dog behavior

please check my naswer for me thanks for your help :) True or False Ivan Pavlov is credited with the systematic study of conditioned reflexive behavior I said True

life sciences/7 grade

What is the 23 pair of chromosomes in a human cell called? Why are they important? Their are the sex chromosomes. They affect the gender. can you check my answer please ,and help me with an answer

Algebra II-Please check

How many ways can a teacher arrange 10 students in a front row if there are 60 students I think I do 60!/50! = 2.74 *10^17 How many ways can you choose committee of 7 from a total of 20 (20 nCr7) = 77520

Language arts

Check my answer please Which of the following would not be considered an asset? A) credit card debt B) a good credit rating C) an education Answer: A

fact/opinion #2

Please check: 1) Kids who like to get muddy should visit Michigan. [opinion] 2) It must be a sloppy mess [opinion] 3) That's a lot of mud [opinion?]


For a BOD5 Test: 1) why water samples needed dilution 2) How to check the test accuracy 3) Under what conditions, the water sample needs"seed"? anyone can help, please.


For BOD5 test 1) Why water samples needed dilution? 2)How to check the test accuracy? 3)Under what conditions, the water sample needs "seed"? anyone can help?please.


Signals that help the body process and respond to information from the environment are ________________. active transport nerve impulses equilibrium Is it Active transport ?

Converse of the Pythagorean Theorem

Can you please help me and my grandson? It says: The length of the sides of the triangle are 5m, 6m, and 7m. Is the triangle acute, right, obtuse? How can I check my answer to see if it was right?


I need help with this quiz, if anyone knows the answers, I will be most happy. The quiz I am on is Unit 5: Lesson 6: Graphing Linear Functions. I have my answers and Mr. Steve PLEASE check them for me, thank you! 1. B 2. A 3. B 4. B 5. A 6. A 7. C 8. C

check math

Here are my answers. Can you check if I got the right answers? Thank you! (x-4)/(x^2-3x-4) = x+1 (x^3-8)/(x-2)=x^2+2x+4 (5-x)/(x^2-25)=-x-5 (x^2-4x-32)/(x^2-16)=(x-8)/(x-4) first one should be 1/(x+1) second is good third: -1/(x+5) 4th is ok Have you not been taught to place ...

Math Please Help

5. Shara's new lawn sprinkler watered a circular area with three times the radius of the old sprinkler. How many times greater was the area watered by the new sprinkler than the area watered by the old sprinkler? a)3 b)6 c)9 d)36 6.How many x-intercepts does the graph of the ...

statistics - can someone please Help me

I have tried for days to figure out how to work this problem. Please help show me how to find the answer. A particular radioactive isotope decays from 210 mg to 182.7 mg in 15 days. Find the half life of the isotope. I can not find any problem that is similar. everything i ...

someone please help me. - Precalc

Determine the quarter points. y=cos(x−5π/2) ​(Type an exact​ answer, using π as needed. Use integers or fractions for any numbers in the​ expression.) - Please show step by step work. Show how you're getting the numbers/answers because I want ...

Pre-Cal(Please check)

1)f(x) = -x + sqrt 4 - x^2 Find f(-2) -(-2) + sqrt 4 - (-2)^2 = 2 + sqrt 4 + 4 2 + sqrt 8 = 4.828 Is this correct?

Math(Please check)

2.5 X 10^(-3) = (.28)(.38) / x^2 Solve for x. 2.5 X 10^(-3) = 0.1064 / x^2 2.5 X 10^(-3) X 0.1064 = 266 sqrt 266 = 16.3 Did I do this correctly?? Thank you for your help.


Paul was given this math problem on a test to simplify: 1/4 + (5/8 + 1/2). after calculating, Paul mistakenly simplified to 9/32 as his final answer In which step did Paul make his first error? Show your work! My work Paul's work 1/4 /9/8 1/4 /(5/8 + 4/8) 1/4 x 8/9 1/4 + 8/9 ...

Physics need work checked

Physics lenses. Please help, my math is wrong and I need second opinion.? Consider three lenses with focal lengths of 25.9 cm, -15.8 cm, and 10.0 cm positioned on the x axis at x1 = 0 m, x2 = 0.412 m, and x3 = 0.514 m, respectively. An object is at d = -121 cm. Find the ...


Can you please check if the following sentences are correct? Thank you very much in advance. 1)The first four sections correspond to the Greek classical elements of earth, air, fire and water. 2) The final fifth section is usually interpreted as referring to ether, the fifth ...


I was wondering if someone could please help me this is really making me go crazy please check my answers thank you Paul Smith was admitted to the hospital for the first time this year on Sept 15. On Sept 25 he was transferred to a SNF where he stayed until October 30 He was ...


can someone check these for me please.... problem#4 Directions: Factor each polynomial completely by factoring out any common factors and then factor by grouping. Do not combine like terms. 3a^3+3ab^2+2a^2b+2b^3 My answer: (a^2+b^2)(3a+2b) you are correct


The fundamental frequency of a string fixed at both ends is 375 Hz. How long does it take for a wave to travel the length of this string? Please check my answer Solution: f=v/2L v=2Lf t=1/2f=l/v 1/2(375hz)= .0013 sec


Which discovery tool would be especially appropriate to use against a plaintiff claiming physical injuries that the defendant believes are being faked please check my answer thanks :) a request for physical examination

dog behavior

please check my answer thanks Which of the following activites seems to be innate for dogs ? 1.Demonstrating gaze alteration 2. submitting to its owner 3. sending intraspecific signals 4. sending interspecific singals I say # 1

Health/ Basic Clinical Procedures

please check my answer thanks An objective sign is one that A can be observed by another person B precedes a disease C is felt by the patient and can not be obsserved by another person D causes the pt the most trouble I picked A

Health/ Basic Clinical Procedures

please check my answer True or False The medical assistant measured the circumference of the infant's head the method of the exam has occurred is called observation ? I said false

dog behavior repost

please check my answer again thanks Pupillary constiction in the presence of bright light is an example of what reponse ? A active tropic B passive tropic C unconditioned D conditioned I now say it's C

Dogs Hunting Training

Please check my answer thank you :) True or False AKC Retriever field Derby stakes sre open to Retrievers younger than two years of age I said True


Can someone please check this sentence. I want to make sure I DON'T need a comma in the sentence. THANKS! I have found her to be extremely competent in areas by exemplifying her creativeness through many challenges she has taken upon herself.

Physics(Please check)

A 5-kg ball is thrown straight up in the air with an initial speed of 24m/s. After its release and before it hits the ground when is the ball in free fall? My answer is at all times. Is this correct? Thank you.

Physics(Please check, thanks)

A football player kicks a ball with a speed of 25m/s at an angle of 40 degrees relative to the horizontal. Ignore air resistance. 1) What is the ball's range? R= V0^2 sin Q / g Is this the correct equation to use?

Math! Please check!

When constructing the circumcenter and circumscribed circle of a triangle, you need to find the intersection of all three of which type of line? A- medians B- perpendicular bisectors C- altitudes D- angle bisectors My choice is B.


Please check my answer because i don't know for Sure Which pronoun or pronouns correctly complete the sentence? Everybody had chosen __________ own meal to eat on the field trip. A. its B. his or her C. their D. they're I think it is either B or C but i don't know for sure


) Which of the following industries most likely originated the business-speak term "bandwidth"? A. Finance B. Real Estate C. Technology D. Health care I think the answer is C. Can someone please check my answer?

Math! Please Check Answers!

Which one of the following sample spaces correctly lists all the possible outcomes for flipping a coin and rolling a number cube? Let head be H and tails be T. a. H-1, H-2, H-3, H-4, H-5 b. H-1, T-1,H-2,T-2,H-3,T-3,H-4,T-4,H-5,T-5 **** c. H-1,H-2, H-3, T-4, T-5 ***- I picked ...

Please check my answers(Social Studies)

what were some important industries along the eastern coast in the new england colonies? Shopping Fur trade•• Cattle farming Fishing•• Tobacco farming


The sentence below requires a citation. In the last three years, Ford has sold more automobiles in America than any other auto-manufacturer. 1.True 2.False I say False. Please check my answer.

Chemistry to DrBob

Dr. bob could you please check this work cus i can't seem to get it right the first step of the synthesis is described by the reaction below. When 1.750 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of 1.0 M H2C2O4, the theoretical yield of FeC2O42H2O is ???? grams. Fe(NH4)2(...

algebra ll

if f(x)equals 5x^2 minus 4/x, find f(4) my ans. is f(4) equals 66 if wrong answer and show work please

Algebra 1

what is the answer to this, please work it out. this is a fraction but i could not format it as such. Thanks! 5x(2)(squared) - 10x 7x-8 - 10x


If 2.0 J of work is done in raising 180 g apple how is it lifted? Please if you answer, do it step by step. Thanks in advance.


what are the concentrations of hydrogen ions and hydroxide ions in a solution that has a oh of 5? *please include work done so I can understand*


find a value between the numbers 1/4 and 1/3 please show work. (it can be any value but it has to be a fraction or a decimal)


-2x+5y=-15 Find the x- and y-intercepts and graph the equation plotting the intercepts. Please show all of your work.


3/4-1/3z=1/4 5/6c-2/3c=1/3 please show step by step Thanks! I now the ans for the first one is 3/2 but how did you work it out?


change the exponential expression to an equivalent expression involving a logarithm. 8.8=7^x please show work

college algebra

solve the following logarithm equation log (4x+7)=1+log(x-6) x=? please show work

college alg

solve the following logarithm equation log (4x+7)=1+log(x-6) x=? please show work


Use derivative formulas to find the derivative of the function. please show your work h(x)=10^3-25x^6+3x^15


Find the equation of a line that is perpendicular to the line y=1/8x+5 and contains the points (-7,0) y= please show work


find the slope of the given line if it is defind. the line through (2,5) and (0,8) please show work


Circle O has a circumference of 220 meters. What is the approximate area of circle O? Show your work.


Circle O has a circumference of 220 meters. What is the approximate area of circle O? Show your work.


Can you please help me with this? I don't really understand it. Q: 5(x+10)+x A. 6x + 15 B. 5x + 15 C. 6x + 50 D. 4x - 50 I tried to work out the problem and I came out with A. Am I right? Thanks.

Math- urgent

If slope= 4;(3,8) what would be the equation in point-slope form? Please show your work.


5/12 = -2/3 c The answer is c=-5/8 I can't figure out how they got this answer. Please show and explain the work. Thank you.


The temperature at 5pm is 20F. The temperature at 10pm is -5F. How many degrees did it fall?please show work


Show calculations to support your answer V=ðr^2h cylinder h=12.4cm r=6.2cm show work please


eight time a number is ten more than three times the number...please show your work

AP Physics C

An earth satellite, the mass of which is 1000 kg, is in a circular orbit 1000 km above the surface of the earth. It is desired to transfer it to a circular orbit 1500 km above the surface. The amount of work that must be done to accomplish this is A. 3.43 * 109 J B. 1.71 * 109...


Could you check these few sentences n travelling. Thank you 1) Go to the check-in desk. Put your luggage on the conveyor belt for it to be weighed. 2) Once you get your boarding card, go through security. Put any metal thing in a basket for it to be scanned. Collect your ...


Can you please unscramble the work in Spanish with the letters RACHAAMR


You push your physics book 2.20m along a horizontal tabletop with a horizontal push of 2.20N while the opposing force of friction is 0.500N . How much work does your 2.20N push do on the book? How much work does the friction force do on the book? How much work does the normal ...


A child pushes a toy box 4.0m along the floor with the force of 6.00 N directed downward at an angle 37 degrees to the horizontal. a. How much work does the child do?" b. Would you expect more or less work to be done if the child pulled upward at the same angle? Work is force*...


hi I need help with this. It is a section from the story 'The Sniper' and it is a PEE (Point, Evidence, Explanation) question... PLEASE HELP ME. Here is the question: "The writer says that the sniper's eyes had 'the cold gleam of the fanatic' what does this mean?" I need this ...


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