Trig check my work please?

88,597 results, page 54

English-(PLEASE CHECK)

How have things changed for African Americans and women since the 1959 first performance of A Raisin in the Sun? My Answer- They are more respected and there is less discrimination against them. Should I add anything else?

English

Can you please check this for grammar. Edsel and Eleanor Ford commissioned Albert Kahn to build their home and William R. Valentiner, director of the DIA to help lay the basic foundations for the paintings, furniture, and objects that completed each of the rooms.

English

At the school talent show, Tom is doing voices of the formal President. Don is presenting a pansori, a kind of folk play. David and Tony are singing Oh! Susanna to a piano. (Would you check the passage? Correct errors, please.)

spanish please check!

Yo fue al dentista la semana pasada Pablo corrio el perro y su por parque ellos leyo periodicos tres cada dia Dona Rita supo la historia de nunca la verdad

English

I am going to go to Children's Grand Park this weekend. I want to ride a roller coaster and a merry-go-round there. I also want to take as many pictures as possible. I think it'll be a lot of fun. --------------- Would you check this passage and correct any errors, please?

PLEASE CHECK! ELA

1. Which word group is a complete sentence? A- The exciting end of the baseball game. B- She did not understand what happened. C- Two energetic women walking in the park. D- Started his homework late Saturday night. My guess is B.

PLEASE CHECK! ELA

Which word group is a sentence fragment? A- Waiting patiently in the lobby was a small boy. B- Construction paper, scissors, and paintbrushes in a pile on the table. C- On the front door was pinned a note. D- Stop! My guess is B.

Algebra

let do some corrctions sqrt9x+81=x+5= answer was x=35+3sqrt61/2,35-3sqrt61/2. please work with me.

Geometry

The equation of a circle is x^2 + 6x + y^2 - 2y = 15. What are the center and radius of the circle? Please show work.

math. solve for t

1/1024=42*0.5^(t/12.5) Solve for t. Please show work. Much appreciated!

calculus

for the following f defined by f(x)=4x^2+3x+2. find the following values. a. f(-2)= b. f(-x)= c. -f(x)= df(x+h)= please show work

calculus

for the following f defined by f(x)=4x^2+3x+2. find the following values. a. f(-2)= b. f(-x)= c. -f(x)= df(x+h)= please show work

Please Help work it out! LOGARITHM

log4(3x-7)^2=10. I have no idea in working it out.

MATH FACTOR POLYNOMIALS

Factor the polynomial. Please show all work. x^2+2x-3

math mrs sue help!!!

-4h greater than 7h what can you multiply -4 to be greater than 7 please show your work

PRECAL!

Prove: (3cosx + 4sinx)^2 + (4cosx - 3sinx)^2=5 ...this is all under the square root sign. this is what i did please check. i multipied both binomials. but i get cos square x..and sincosx ..how do i combine them..please help! In this case, after multiplying binomials, there ...

L.A. 5th grade

What is the meaning of the prefix -ion in civilization? Also, check my work - Civilization prefix suffix and root Prefix - civ- citizen Suffix- ion - ?? Root- civilization- cultural location Plzzz ASAP!!!!!!

CHEMISTRY

How many grams of CH4 are required to produce 43 g of Cu according to the following equation: 4CuO + CH4 --> CO2 + 2H20 + 4Cu? I already tried to work the problem myself, and I may have gotten this right, but I do not have an answer key to compare to. #gCH4 = (43gCu) x (1 ...

math

please check my work. 1. The number of words (x) Tina can type per minute is at Least 50. write and graph and inequality. (I broke it down to these 2 choices because the A & D was incorrect) B. x is less than or equal to 50 C. x is greater than or equal to 50 ~~~~ 2. Gavin ...

PHYSICS

Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass. (a) How much work does he do during a 117-km race in which his average ...

physics

Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass. (a) How much work does he do during a 123-km race in which his average ...

math

solve: 4+8 1/2 -:- (1/4) to the third power. solve -11-(x+30)=-41-2 (5x-18) please show your work

math

How does exponents work? Is it ust multiplication...please help me i am in grade 7 math

Math..solve for u

Solve u-2[2=3 [ is square root. Please show work

pre-calc

(1+tan x)^2= 2 tan x+2 please show all work

PLEASE HELP CHEM!!

You work with the following system: 2X(g) <---> Y(g) At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.

Chem Check

Can someone verify my answers please? convert the folowing into a pressure reading expressed in torr A. 1.25atm * 760torr/1.0atm = 950. torr B. 2.48 x 10^-3 atm * 760torr/1.0atm = 1.88 torr C. 4.75 x 10^4 atm* 760torr/1.0atm = 3.61 x 10^7 torr D. 7.60 x 10^6atm * 760torr/1....

mechanics_ physics

A trolley is use in pushing a book 1.20m along a horizontal table top with a horizonta force of 3.0N. The opposing force of friction is 0.6N. 1. How much work does his 3.0N force 2.what is the work done on the book by the friction? The total work done on the book pls indicate ...

Math Word problems

an office where 8 secretaries work 8 hours a day 5 days a week decided it needs 336 hours a week of secretarial work. How much more or less will each secretary have to work each week to equally share the 336 hours.

Physics

An object is shot at 20m/s at an angle theta. The object lands 24m away. What is the angle? Can you check if I am doing this right? I had v(initial) = 20 m/s g = 9.8 m/s^2 x = 24m 1st I solved for time: x = v(initial) t x = v(initial) cos(theta) t 24 = 20 cos(theta) t 24 / [20...

math

On November 1,2009, Broom Company received a bank statement that showed a $2,950 balance. Broom showed a $4,010 checking account balance. The bank didn't return check No.124 for $1,080 and check No.138 for $720. A $3,200 deposit made on Oct30 was in transit. the bank charged ...

English

1. Read the following lines from "Thoughts of Hanoi." Brother, How is all that now? Or is it obsolete? Are you like me, Reliving the past, Imagining the future? Do you count me as a friend or am I the enemy in your eyes? Brother, I am afraid That one day I'll be with the March...

science

If you lift a bag that weighs 15 N a distance of 2 m, how much work have you done? work=weight*distanceupward

Math

^=exponents /= divide So I am not sure how to do this. It is an example in my book but I still don't get it. Can you work through ti so I can do my real work. (-1^2+-1^-2)^-1 [(-1)^2+(-1)^-2)]^-1 = [1 + 1/(-1)^2]^-1 = (1 + 1)^-1 = 1/2

Science (8th grade)

How do cell phones work? I know they use radio waves, but how do they actually work??? Thanks :)

Chopsticks

solve the equation for x using the quadratic formula: 3x^2 + 8x + 1 = 0 Work: I tried factoring it, but I can't do it. (3x + ?)(x + ?) I'm thinking the ? = 1 but that won't work.

Pre-Algebra

I need work the answer is 5 but i keep getting 4.5 if anyone can help me on the rest i got a page of work! 2y=20-4x*0

algebra

X^2-4x+3/x^2+3x-18-X62-1/x^2+10x+24 can someone work this problem for me. I have tried it does seem to work right.

math

it takes dan 25 min. to walk to work. if he arrived at work at 6:40a.m when did he leave his house?

physics

Why bother using a machine if it cannot multiply work input to achieve greater work output?

Physics

Show that 90 J of work is needed to increase the speed of a 20-kg cart by 3 m/s. Power = work done time interval= W t

mugwazeni

IAm doing grade 10 and my subject are;history ,geography and economics so I want to know what kind of work am I going to work

English

1. I have just finished the work. 2. I just finished the work. 3. I finished the work just now. (What about the use of 'just'? Are the sentences all grammatical and the same?)

English

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?

Algebra1b

Need help with problem -4x=8 Please show me how to work problem Well divide over the -4 so you can find x -4x=8 x= -2

question mistake

it's supposed to have the 2 under the b-6 can you show your work please thank you sorry for the mistake

physics

What displacemtn at 70 degrees has an x-component of 450m? What is its y-component? I know the answers are 1.3 and 1.2... but don't know how to work it out?? PLEASE HELP!!

hum 103

How does Sonata (complete work differ from Sonata form, how are they related. Any help please

math

the product of three consecutive numbers is 4080. what are the numbers? please show work.

english

Hi! I'm a French-speaking student and I don't understand what is "abatement work". Can you explain that to me in English, please? Thanks.

Chemistry

For a solution that is 0.20 M HCN(aq) with a Ka=4.9x10^-10 a. calculate the [H+] b. calculate the [OH-] c. what's the pH? Please show your work on how to solve it. Thank you

Math

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

algebra

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

algebra

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

algebra

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

Pre-Calculus

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

Math

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

Algebra

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?

Art

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 ...

chemistry

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 ...

English

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. ...

english

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 ...

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 ...

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...

Stats

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.

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 ...

English

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...

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.

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...

Math

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 ...

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.

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 ...

English

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 ...

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 ...

chemistry

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!

English

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?]

Science

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.

science

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.

Biology *CHECK 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?

Mathematics

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

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 ...

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