Trig check my work please?

88,597 results, page 24

math

If r=t/2 and t=w/2, what is (r+w) in terms of t? (A)t (B)t^2 (C)3t/2 (D)5t/2 (e)5t/4 Please show work. Thanks.

math

matrices: A=[-5 4 -6 B=[-2 4 -5 9 -8 7 8 9 3 4 -3 9] 5 -2 2] AB=? please show the work if you can.

math

matrices: A=[-5 4 -6 9 -8 7 4 -3 9] B=[-2 4 -5 8 9 3 5 -2 2] AB=? please show work if you can.

math

let A=(3 x) (-2 -3) if A=A^-1, what is x? please show work so i can understand

Algebra

12(74y - (6+5Y - 8Z) = Please show work

Algebra

12(74y - (6+5Y - 8Z) = Please show work

Algebra

12(74y - (6+5Y - 8Z) = Please show work

math

what is 5 3/4 divided by 1/3? please show work.

Algebra

-4p-10(2p-3)=22-7(1-2p) Please show all work

Calculus

Graph f(x) = 4^(x - 1) Please show work

Calculus

Differentiate f(x)=(x^(3)-8)^(2/3) Please Show Work

Mathe

4m/9+13-1m/3=4 Please help me solve and show your work

Math

14-w/8=3w/4-21 Please help me solve this and show work

Math

2x-9/3=8-3x Please help me solve this and show your work thanks

Math

1/2(6x-4)=4x-9 Please help me solve and work it out thanks

Math

Y/3+11=y/2-3 Please help me solve this and show your work thanks

Math

2m+6=2m-1 Please help me solve this and show your work thanks.

Math

r/3+7-r/5=-3 Please help me solve this and show your work

Math

w/4-w/5-1/3=16/15 Please help me solve this and show your work. Thanks

equation

4x + 3(29-x) = 100 please show work

Math

multiply: a)(2x+5)(2x-5) b) -4x^3(6x-3x^4) show your work. please help me!!

Math

multiply: -4x^3(6x-3x^4) show your work. please help me!!

physics

Eric can you show the work please

math

Find 4.84 * 39 + 61 * 4.84 show work please

fractions

What is the quotient of 5/22 and 6/11 ? please show work

ALG 2!!!

please solve and show work 5(2x - 7) = 33 - 3(6x + 4)

math

e/7-3=-5 What does e equal? Please show work!

Please help me work it out!!! Maths

solve for x: ln(x^2-6x-16)=5

Math

Solve for x. x/(x-2) + (2x)/[4-(x^2)] = 5/(x+2) Please show work!

s.s

mrs sue can you cheak my work please

Math

If x<y, z=x/2 and a=y/2, then please show work/ explain A.z<a B.a>z C.a=z D.2a>y E.2x>2z

math

If x = 1/x^2, then 2 + 3 = a. 13/36 b. 1/5 c. 5/6 d. 1/8 e. 5/13 please answer and show work

Math

What is 23 - 4/6 =? Please show all the work.

Algebra

Please Answer this and show your work! (3h+2)(2h^2-7h+1)

Math

Please explain and show your work 2 3 -+- 3 4

Math

How do I work out this problem 8 3/4 + 2 1/2 please help me.

math

3x5+10x3/ 20-(5+6) my work 45/9=5 yes or no please help

Math

I cannot come up with the right answers for my matrix. I need to write as a system of equation and solve the system. 1 2 3 x 1 1 1 1 y = 12 -1 1 2 z 2 The answers I come up with are 31 15 15 when I check these, they will not work, what I am doing wrong?

Social Studies 7R (Please Read!)

Please check my homework I have to read each statement and determine if it's federalist or Democratic Republican 1. F - The role of government should be limited 2. DR - The economy should focus on farming 3. F - No one person should have too much power 4. F - There should be a...

Physics

Does it take twice the work to stretch a spring 2cm from its equilibrium position as it does to stretch it 1cm from its equilibrium position? Yes it does. (Just want to double check my answer)

physics

8.01 homework. I have difficulty with question no. 2. all my equations do not work-Rough Surfaces. Also, the period of oscillation got part a the rest is confusing and my answers do not check out. I thought this was a very difficult assignment to say the least. So far, I am ...

Chem for final, please help!

How many moles of H+(aq) ions are present in 1.25 L of 0.75M Nitric Acid? A. 0.60 mol B. 0.75 mol C. 0.94 mol D. 1.7 mol E. 1.9 mol Please show me how to work this!

economics

What were the original causes of the u.s. trade deficit? Help please ASAP Check this site. (Broken Link Removed)

physics...please check my answer...

4.A mass of one kg of nickels has a monetary value in the US $ of approximately: a. $1 b. 10 cents c. $10 d. $1000 is it c?

physics Again

bobpursley can you please check my reply to your post about my question? I am not sure if I did my equation correctly. Thanks

English

Please check my answer Is this phrase correctly capitalized ? Martin Luther King day I said yes

math

please check my answer thanks :) The monthly payment on a $90,000 mortgage at a rate of 7.5% interest for 30 years is $630.00

math

Hi! I am trying to solve an order of operation question would you please check my answer... 36+9/3*5 I soved it to equal 51 9/3=3 3*5=15 36+15=51 Thanks for your help!!

Health

Normal urine is____________ as indicated bt it's ph value I think it is slightly alkaline please check my answer thanks

Math 116 algebra please check

Solve using the addition and multiplication principles 5 + 6x < 53 The solution set is < 8

Romeo and Juliet Help (24 hours and no response)

I posted questions yesterday and it's on the next page. Could you please check them and get back with me thanks.

math

tell whether the ordered pair is a solution of the equation y=-4x+3 1. (-2, -5) 2. (3, -9) 3. (1/2, 1) my answers: 1. no, 2. no, 3. no but I don't think they're right... can you please check??

PHYSICS

The force applied by the e-brake is F(eb) = m*a(eb) = -8.13*1452 = -12,100 N I didn't get the same answer - I got 11,804.76....please check

Algebra

Solve using the multiplication principle. Don't forget to check. -x/2=8. Here is how I did the problem but I think it's wrong. (-2/x)-x/2=8(-2/x) x= -16. Could you please help? Thanks.

Math(Please check)

Sorry I forgot a question. 2) rationalize the denominator. 4/sqrt6 My answer is 4sqrt6/ 6 Am I correct?

Math-Algebra-Please check

What is the solution of 3 times the absolute value of x + 5 <= 6 I think the answer is x <= - 3 and x >= -7 If I'm not right, could you tell me why?

Algebra 1 help, check please?

Okay, so the problem is.. x^2+6=13 Would I just subtract the 6 from the thirteen.. So. x^2=7 Divide by 2? I'm kinda stuck from that point

algebra

please check answers and change if wrong thank you. The absolute value of 3 times a number x is greater than 33. |3x| > 33 3x > 33 x > 11 what about -11

algebra

please check my problem and make changes as needed. thanks solve ineqality: 3/7(2p-14) > 6/7p-6 Clear fractions mult. by 7/1 3(2p-14) >6p-6 6p - 42 > 6p - 6 6p - 6p -42> 6p - 6p - 6 0 -42 +42 > -6 +42 0 > 36

Spanish-Please check answers

Él no va nunca.He never goes Él ve alguien.He sees someone. Él no ve nadie.He doesn’t see anyone.

math

hi ms.sue could you please check my answer in problem The perimeter of a square is 64ft. Find the length of a diagonal. c=22.62

Physica

if A=12x - 16y and B= - 24x + 10y,what is the magnitude of the vecror C=2A-B? Please check out the necessity to solve them and thank

6th grade math

I had to convert 2500 millimeters to centimeters.I think it's 250,please check. Thanks!

Algebra

Use substitution method to solve the linear system. Can someone please check if I did this problem right? Thanks X+y=12 X+3/2y=3/2 Y=21 x=-9

PLEASE HELP !!

Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund

Reading

Can u please help me with fourth edition improving vocabulary skills short version ? Chapter 1 sentence check 2.

Calculus

Find the equation of the tangent line to f(x)=x sec x at ((pi/4),(pi•sqrt 2)/4). Please check my derivative .. Is it (sin^2(x)+ 1)/cos^3 (x)?

Algebra

Please check my answer and let me know if it is right or not. 25+.32m(800)=281 28+.30(400)=148 70+40+2(30+.29)=830 +.29m

Help please

Which of the following equations represent a line that has a slope of –5 and that passes through (2, –6)? Check all of the boxes that apply. a.y + 6 = –5(x – 2) b.y – 2 = –5(x + 6) c.y = –5x + 4 d.y = –5x – 28

Algebra

what is the sum of the interior angles of a quadrilateral? 720 540 360*** 180 Please Check my answers.

Math

Could someone please help me to solve this equation using exact values. 9^(2x)+4(9^x)=21 and also check for extraneous roots. thank you

algebra

Find the slope of the line that passes through (-2,-3) and (1,1) 1/3 1 2***** 4/3 For the equation -4y=8x what is the constant variation? -4 -2**** 1 2 Please check my answers

Math

Given the following values, which point would be considered an outlier? x - 1,2,3,4,5,6,7,8,9 y - 1.2, 4.3, 2.8, 4.1, 5.2, 6, 7.1, 7.9, 9.4. A.) (1, 1.2) B.) (2, 4.3) C.) (4, 4.1) D.) (6,6) * Can someone please check my answer?

English (Check)

Based on your knowledge of prefixes, what does en- mean? A.Cause to*** B.In front C. Wrongly D.Before Is it A I'm not 100% sure... help please

Trig

Thanks for letting me know about wave seperation. Could you tell me more please. What exactally is meant by wave seperation. Does it mean above and below the midline or does it mean seperation between wave cycles? What does it mean?

math

tom's work is 18km away, he starts walking to work at 5:30. He walks 4km every hour. His work opens at 9:00 will he be on time? sue leaves home and ride her bike to work at 7:30. She rides 12km every hour. When does sue overtake tom. how far have they travelled?

Physics

An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. How much work is done by the lifting force (include units)? b.) How much work is done by the Earth on the object? c.) What is the net work done on the object? d.) What is the change in ...

Environmental Science

Here is another part of my test that my teacher told me to check. Could you please help me check them? Write the letter of the term or phrase that best matches the description. Mississippi River- I picked b.recharge zone. area above an aquifer- Ipicked c.Nonpoint-source ...

English

What are four things to look for when proofreading? My answers: Reading, grammar check, spelling check, and punctuation.

math

what does over time and time in a half mean? Employees who earn an hourly wage can only work 40 hours a week. When they work more hours a week, that's considered overtime. By federal law, employees who work overtime are entitled to 1 1/2 times (time and a half) their hourly ...

English

Can you please check if the following sentences are all right? Thank yo very much in advance. 1) We’d like to reserve three seats (for two adults and a child) on the train from Berlin to Bremen leaving at 13.30 on 11th August. 2) We can’t complete the reservation on line ...

English

Could you check these phrasal verbs, please? Thank you very much, Writeacher. 1) I think they should do away with blue lines and just let people park where they want to. 2) You should have your house done up before you sell it. He dropped in to see me on his way back from work...

math-please help,need quickly

solve the polynomial inequality and graph the solution set on a real num ber line. express the solution set in interval notation x^3+x^2+64x+64>0 please show work

INTEGRAL CALCULUS PLEASE HELP!!!

If F(x)dx=1 from 1 to 25, F(x)dx=4 from 1 to 4, and F(x)dx=9 from 17 to 25, then: 1) What does F(x)dx from 9 to 17=? 2) What does (1F(x)-4)dx from 9 to 17x=? I have no idea how to do this problem and have been on it for hours! The problem is not typed incorrectly, this is ...

math skill sheet 777

i have equal numbers of pennies, nickels ,dimes, and quarters. The total value of my coins is $2.05. Altogether i have ? coins. Please tell me how you did it and show your work please so i understand.

math please help

Three consecutive odd intergers are such that the sum of the squares of the first two integers is 54 more than 20 times the third integer. Determine the three integers. Please help and show all work thank you

Physics/Math

What work is done by a force (in newtons) F = 3.1xi + 3.1j, with x in meters, that moves a particle from a position r1 = 2.1i + 2.5j to r2 = - -4.9i -3.9j? For Further Reading * Physics/Math - bobpursley, Thursday, March 1, 2007 at 6:27am Work is the dot product of Force and ...

Social Studies

1) In which of the following ways are Japan and South Korea similar? A) they both are peninsulas B) they both are made up of islands C) they both have dry summers D) they both have few mineral resources <----- 2) Which adaptation to Southeast Asia's geography has been most ...

Chemistry: Please check my work!I am stumped

When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation for the reaction. b. ...

English

1. I'll probably go and check out that apple, actually. 2. I'll probably go and check that apple, actually. 3. I'll probably go and check on that apple, actually. ------------------ Which one is correct? Do we have to use 'out' after 'check' here? 4. The waitress who served in...

Math

The average of X numbers is 15. If the sum of the X numbers is 90, what is the value of X? A)5, B)6, C)8, D)15 or E)75 What is the correct answer and how do you set up the equation? The answer is b)6 because if there are 15 average numbers and the sum is 90 you just multiply 6...

math-please help,need quickly

loga(x-5)-loga(x+9)=loga(x-7)-loga(x+9) all the a's are lower please show work

@ Online Students

A student recently posted this. Please heed. "quick backstory; i've been cheating on all of my work except portfolios this whole year cause i'm in online school. but i'm wanting to learn since there's gonna be ACT test in REAL so... please help me on how to do this!"

Early Child Ed.

Would you please check these questions and my answers, and see if my answers are the best possible choice? 1. A category specifically related to special needs in communication is: A. speech and language disability B. mental retardation C. emotional disturbance D. learning ...

math

find each sum or difference 1. -1/2 + 1/3 1. -1/6 2. -1/3 3. 2/3 4. 1/6 I got 2/3 because I added the 2 numerators and got 2 then I kept the LCM as the denominator so I got 2/3. 2. -3 1/5 + -6 1/2 1. -3 2/7 2. -3 7/10 3. -9 2/7 4. -9 7/10 I got number 3 because I added the two...

math check my work

a license plate has 2 letters followed by 4 digits.how many license plates are possible if the digits and letters can be repeated? f-8 g-92 h-676000 i-6760000 i think it is i am i correct thank you for helping me

ART

Can someone please check my work. thank you if you do. 1. The gold trim, rich, colors, and plentiful lace on eighteenth-century European fashions communicated which value of Baroque culture? A. Simplicity B. balance C. extravagance D. creativity 2. Japanese kimonos often ...

Just a message(please read)

First of all I would like to thank everyone for helping me. The reason that I post my questions like I do is b/c they are multiple choice and all I'm looking for is to know if my answer is correct or not. If its not right then I would go back and try to solve it again but I'm ...

Diversity

1. Books such as The Three Little Pigs, Green Eggs & Ham or Good night moon promote children's cognitive & linguistic skills through the ___ strategy. a. reprtition b.eventcasts c. referential language d. recasting I chose "c"referential language can sme one please check it. ...

algebra

find the value of x and y x+y=12 45x+52y=561 a sporting goods store sold right hand and left hand batting gloves.12 were sold in a one month period for $561.right handed gloves are $45 and left handed gloves are $52.how many of each were sold? please show work The equations ...

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