Trig check my work please?
90,437 results, page 3

Math 116 algebra please check
Simplify 6[73(1983)]=174 Please check 
SpanishPlease check
Please checkThank you I come from the library. Yo vengo de biblioteca. 
precalc
Suppose that z1=68i. Find: A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2, where z2=5[cos(60degrees)+isin(60degrees)] C. The Trig Form of (z1)^4 
Math Help, Check My Answers Please
Please check my answer, I wanna make sure I get it right. 4.Personal bias can cause a scientist to misinterpret an observation or the results of an experiment. True False***** 
Algebra 2
solve each equation. check for extraneous solutions. sqrt(2x+1)+sqrt(2x+6)=5 please show work!!!!! 
Algebra 2
solve each equation. check for extraneous solution. sqrt(3x+4)sqrt(2x7)=3 please show work!!!!! 
grammar please help!
I still need help on 1 and 2. Identify the object of the preposition in each of the following sentences. 1. Ashley and her father arrived home from work. a. and b. father c. from d. work 2. Ashley put her journalism books in the new bookcase. a. bookcase b. put c. new d. in ... 
Math
Solve the equation for d 0.2(d6)=0.3d+53+0.1d I had d=16 Work: 1. distribute 2. 0.2d1.2=0.3d+53+0.1d 3. 0.2d=0.4d+3.2 4. 0.2d=3.2 5. divide 6. d= 16 I even did a check 0.2(d6)=0.3d+53+0.1d 0.2(166)=0.3(16)+53+0.1(16) 0.2(22)=0.3(16)+53+0.1(16) 4.4=4.4 Is ... 
math (please check my work)
find the equation (in slope intercept form) the line passing through the points with the given coordinate (1,1) (3,3) 3(1)/3(1)=2 y+3=2(x(3) y+3=2x6 3 3 y=2x9 is what i got is this correct? 
Physics
Will you check my work and help me with the last two problems please? A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed? (12 kg/m/s) / 4kg=3m/s A ball is moving at 4 m/s and has a momentum of 48 kg m/s. What is the ball's mass? (48kg/m/s) / (4m/s) =12 kg A 1... 
physics
Will check my work and help me with the last two problems please? A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed? (12 kg/m/s) / 4kg=3m/s A ball is moving at 4 m/s and has a momentum of 48 kg m/s. What is the ball's mass? (48kg/m/s) / (4m/s) =12 kg A 1kg ... 
college alg
the function f(x)=6x+9/3x7 is one to one. find its inverse and check your answer. f^1(x)=? please show work 
Math
Write the equation in standard form using integers. Can someone please check my work? Ax+By= C Equation: y 4 = 2(x  3) y4 = 2x + 6 +2x +2x 2x+y4=6 +4 +4 2x+ y=10 
precalculus
can you please check my work? 7. Find the equation of the parabola y=ax2+bx+c that passes through the points(0,6),(2,2), and(3,9/2). y=ax2+bx+c 6=a(0)2+b(0)+c 2=a(2)2+b(2)+c 9/2=a(3)2+b(3)+c 6=c 2=4a+(2b)+6 9/2=9a+3b+6 4=4a2b 3/2=9a+3b a=1/2, b=1 y=(1/2x)x+6 
algebra
i have two answers to this problem so am not sure which way I need to do in or should say the order i should do it. lease help??????? problem is 7x5+3x=6+x10 what is the order to work this out there is no brackets to this problem 7xx+3x=6+510 6x+3x=1110 8x=1  8 8 x... 
trig
Prove the identity. (must work with left side) (12sin(x)^2)=(cos(x)^2) 
Trig
How do I do this? I punch the numbers into my calculator, and they don't work. B=sin^1 (12/7 sin42\[Degree]) 
pre cal\trig
Find the following cot(Arccsc 25/24) show your work 
trig
Solve for x if sin2x=cos(x+60 and x€ [90,180].show all work details 
TRIG
determine the sum of the first 100 even integers SHOW YOUR WORK 
TRIG,
Can you solve and show me the work in these two equations? cos(3x)=1 tan (theta)=1 
calculus
1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π? 2. what trig function never crosses the xaxis and has a value of 2 at π/6? are these correct? 3. what trig function has a period of π and is undefined for π/... 
Physicsplease check my work
Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the system: *FALSE 4.) A force can not exist without an agent and a system... 
trig 30
For csc^2 A1/cot A csc A, what is the simplest equivalent trig expression? The answers I have to choose from are sin A, cosA, tan A or csc A, but I don't know how?? csc theta= 1/sin theta but its ^2. Help please I don't even no where to begin 
English
(1) Are you doing any volunteer work? How about your friends? 1. Yes, I am. They are doing (some) volunteer work, too. 2. No, I'm not. They are not doing (any) volunteer work, either. (2) Do you do any volunteer work? How about your friends? 1. Yes, I do. They do (some) ... 
check my work on derivatives
Can someone check my work? So, I took the derivative of (1x^2)/((1+x^2)^2) I used the quotient rule ((2x((1+x^2)^2)2((1+x^2)^2)(2x)(1x^2))) / ((1+x^2)^4) Then I simplified it (2x+2x^2  4x((1+x^2)^2)(1x^2)) /((1+x^2)^4) Then I simplified by factoring out some numbers 2x(x^... 
AlgebraPlease check work
I've reworked this and added on is any of it correct?Totally confusedlearned this today and I don't get itPlease help Write the standard form of 9x^2 + 4y^272x+16y+124=0 I think the first step is to take the constant to right side so I have: 9x^2 + 4y^272x+19(x^28x+16) + ... 
trig
Write the expression and evaluate. There should only be one answer which should match the range of the inverse trig function. Sec^1(2) sec^1(sqrt2) Cos^1((sqrt3)/2) Tan^1(sqrt3) Could someone explain how to get the answer as well please. 
PreCalc/Trig...
Which of the following quadratic functions has a graph that opens downwards? check all that apply A. y=2x^29x+3 B. y=x^2+4x+8 C. y=(5+2x^2) D. y=60x15x^2 
Algebra IIPlease check my solution
Solve by elimination methodthanks fro checking my work 2x + 3y= 2 multiply this equation by 2= 4x + 6y = 4 4x2y = 28 4x + 6y = 4 4x 2y = 28 8y = 32 y = 4 2x + 3(4) = 2 2x + 12 = 2 2x + 212 2x = 10 x = 5 solution = (5,4) 
Grammar
An introduction must contain a thesis statement. 1. True 2. False I answered true. Please check my work 
AlgebraPlease check
Please check sqrt of 2x + 15 = x Answers: 5.3 3.5 3 5 I think according to my calculations it would be 5, correct? sqrt root of 7x = 3solve for x Answers: 2 2 4 4 My choice would be 2 Is that correct I squared both sides and came out with 7x = 9 and then x = 2 Thank ... 
algebra
Please check my system of linear equations using any algebraic method. Show the check,if possible. 8x6y=12 / 12x9y=18 8x6y=12 (eq.1) 12x9y=18 (eq.2) 4x3y=6 (eq.1) 4x3y=6 (eq.2) y=4x6 / 3 Check: Thank you for your help. 
Math 116 algebra please check
Multiply 1/7×(3/7)=3/49 Please check 
To Brady, please check
Please check my answers down below. 
English
Can you please check these sentences and tell me which one are possible? Thank you. 1) He didn't let on the secret to anyone. He didn't let out the secret to anyone. 2) He didn't let on that he knew Mary's secret. He didn't let out that he knew Mary's secret. 3) Write 5 ... 
Mathtruth table, please check my work!
p > ~q , p > q Are these Equivalent statements? This is my try. Please let me know if these truth tables are correct. p > ~q p q p > ~q p q p > q T T T T T T T F T T F F F T F F T F F F T F F T The statements are not equivalent. 
Algebra 2
Can someone check my work please? I tried my best on all the problems but I still don't understand excluded values and how to simplify rational expressions. Thank you in advance for any help! 1)6x^5/2x^3 6/2 = 3 3x^5/x^3 x^5x^3 = x^2 3x^2/1 2) (2x+4)+(x^2 +2x) 2x+4: 2(x+2) x^... 
physics
Calculate the work required to be done to stop a car of 250 kg moving at a speed of 18km/hr? answer is right or not please check Mass =250 kg Velocity = 18kg = 18 x 1000/60 x 60 = 5 m/s KE = ½ mv x v = ½ x 250 x 5 = 125 x 5 = 625 J Therefore the counter back this force we ... 
English
Can you please check these sentences? I just need to know if they are ok. 1) When do you usually get off work? He took a day off work to drive me to the airport. 2) The manager has just laid off Peter’s father. Can you put me through to the manager, please? He has taken on ... 
College
Any organization that produces a good or service can be classified as a business. True or False I say true. Please check my work. 
Algebra
 ok... we keep getting this one wrong: Solve the following equation for x. Write your answer as a fraction in simplest form. 6(x5)=2x86(3x5) What is it you don't understand about this? Clear the parentheses, combine terms, solve for x. Ive been doing that but i keep ... 
trig help again i cant get any of these
sin^4cos^2x=(1/16)(1cos 2x)(1cos4x) work one 1 side only! 
Trig
Half angle identities Find exact values of a) cos 1/2 b) sin 1/2 c) tan 1/2 based on: cos = 1/5 greater than 270 deg less than 360 deg. I get a)  rt 3/5 b) rt24/5 and c) does not work out at all .... Help please.. book says for answers a)rt15/5 b) rt10/5 c) rt6/3 How do you... 
trig! check my answe please
An advertising blimp hovers over a stadium at an altitude of 125 m. The pilot sights a tennis court at an 8o angle of depression. To the nearest meter, find the ground distance in a straight line between the stadium and the tennis court. I set it up 125/tan8, knowing its a ... 
Trig Proofs
Please Help: please solve this proof: cosx cosy = 2sin(x+y/2)sin(xy/2) 
Trig.
Please solve this equation. As you write down the steps, please give me a description on what you did. y^3  16y^3/2 + 64 = 0 
Grammar
A thesis statement clarifies the main point an essay will make. 1. True 2. False I answered true. Please check my work. 
English
Identify and list one error in the sentence below: The two boys were was playing soccer. Error: was Please check my work. 
geography..please check my answers!!!
which pair of basic questions guides geographers in their work? where are things located? and Why are they there? **** What is the climate? and Why was it changed? When did Earth form? and What is it made of? Who lived where? and When did they move? 
English
Match each vocabulary word with the letter corresponding to its correct definition. A. Looted B. Irritated C. Unselfish D. Nonconformity 1. Altruistic C 2. Deviation D 3. Piqued B 4. Pillaged A Please help check my work. 
Physics Problems
Will check my work and help me with the last two problems please? A 4 kg ball has a momentum of 12 kg m/s. What is the ball's speed? (12 kg/m/s) / 4kg=3m/s A ball is moving at 4 m/s and has a momentum of 48 kg m/s. What is the ball's mass? (48kg/m/s) / (4m/s) =12 kg A 1kg ... 
To sam!
Was the five part unknown question for compounds A through E yours? If so, did you get it answered ok? no it was not mine! can you please check my math? can you please check my math? 
Spanish 7th gradePlease check
Please check. How would I say "I feel like drawing. Would it be: Yo tengo ganas de dibujar. 
Health care please check answer
Please check my answer thank you Verifying the accuracy of HCPCS codes is an important function in what ? I think that it is maintence of chargemasters 
Health please check my answer
Please check my answer thanks True or Faslse The term used to describe why medical treatment is necessary is procedure I say False 
Math please check answer
please check my answer :) The monthly payment of a $100,000 mortgage at a rate of 8 1/2 % for 20 years is 8678.23 
algebra
Check this problem for me do I have negative sign right with the answer. 1(1)+55=2/10==1/5 the one on top and the 1(1) and on the bottom is 55. so check this answer for me. Please, Please 
algebra
Check this problem for me do I have negative sign right with the answer. 1(1)+55=2/10==1/5 the one on top and the 1(1) and on the bottom is 55. so check this answer for me. Please, Please 
grade 12 chem  check my answer again please
Hi, please check my work: In an experiment, 23.4 g of FES are added to excess oxygen and 16.5 g of FE2O3 are produced. The balanced equation is: 4FeS + 7O2 > 2Fe2O3 + 4SO2 Calculate the % yield. My Answer: nFeS=23.4g/87.92 g/mol =0.266 mol 4mol FeS / 0.266 mol = 7mol O2/ ... 
check my set up please, trig
Sarah holds the end of her kite string 5 feet off the ground. The kite string makes a 43 degree angle of elevation with the horizontal and the kite is 105 ft. off the ground. How long is the kite string to the nearest tenth of a foot? cos43=100/x ? 
English please check my answer
please check to see if I have the right answer thank you The patient had a radiogram performed. What doed the root word indicate I think it's b 
algerbra
could you please double check my work question:find the roots of the equation 2x^2+8x=12 by completing the square. leave answer in simplest radical form. work and answer: c=(b/2)^2 c(4/2)^2=4 2x^2 +8x=12 divide everything by 2 x^2 + 4x=6 x^2+4x+4=10 (x+2)(x+2) square root of (... 
chemistry
For the adiabetic expansion of an ideal gas a) does the gas do work? B) doesd the internal energy of the gas increase, decrease or remain constant? C) what happens to the temperature? Please check my answers A) yes the gas does work because it is expanding B) internal energy ... 
Math Please Check
Please check my answers! Thank you! Simplify the following expressions. Collapse “x” terms, and/or simplify fractions and exponents. 1.) (12/5) / (36/20) = 4/3 2.) x^13*x^3 = x^16 3.) x^4 / (x^2)^3 = 1/x^2 4.) x^3 / x^2 = x^5 5.) (x^28x+16) / (x4) = x4 6.) x^(1/3) / ... 
French 1
Can anyone check my french work please?? 
Math  Please Check My Answers
Please help me by checking the following answers for me(There are 3 problems that I need someone to check). 3. A student is attempting to solve the equation below for the variable x. Which of the statements below best applies to the mathematical work shown? Given √(4x6... 
Trig
Can you please help with this trig question: The angle of elevation to the top of a nearby mountain is 46 degrees. After walking 1 km toward the mountain, you determine the angle of elevation to be 68 degrees. How high is the mountain? Thank you for all your help. 
PERSON!!!!!
I have no money at all no credit card or checks or anything! So can someone please tell me where to get a free background check or free record check?? I really need this please!! 
info lit
please check my work? Scholarly journal articles are written: A. By experts in a subject field B. By lower division college students C. For a general audience D. By reporters my answer is: A 
English
Could you please check my sentences? Thank you. 1) What organization does the interviewee work for? 2) Why do endangered species serve as umbrella species? What poses the most serious hazard for the North Atlantic whales? 3) Which is the most successful way of combating risks ... 
work (physics)
a 25 kg object is accelerating from rest to a distance of 6 m in 4 seconds across a level floor. The friction is 3.8 N  what is the total work........ i started off by trying to find fa but it seems to give me an absurd answer.. maybe if u could help me by telling me the ... 
MATH PLEASE CHECK IT!!2
m2/m5*m+5/m2=1 If your problem is this: (m  2)/(m  5) * (m + 5)/(m  2) = 1 (m  2) cancels out in both the numerator and denominator on the lefthand side since you are multiplying. That leaves us with this: (m + 5)/(m  5) = 1 To solve for m: Multiply both sides by (... 
Health please check my answer
Please check my answer thanks The radiologist is able to evaluate the movement of body organs by doing what procedure A. Ultrasound B. MRI C. Film survey D. Fluroscopic exam I picked A 
math
Use the distributive property to write an expression that is equivalent to the example below: 5(2x + 7) I think my answer is... 45.....How I got this answer was 5 x 2 + 5 x 7=45 10 + 35 = 45 Can you please double check my work? 
math, trig
Graph one period of the following function. Show all work . y=2sinx+2cosx 
Chemistry(Please check)
1) The Ka for acetic acid is 1.8e5. What is the pH of a 3.18M solution of this acid? I did 1.8e5 = x^2/3.18 x=sqrt 1.8e5 X 3.18 = 7.56e3 pH=log(7.56e3) = 2.12 The pH is 2.12 2) At 25 degrees celsius, the pH of a 1.75M NaCN solution (the Ka for HCN is 4.0e10) is ? 4.0e... 
drwls please check
Can you please check my physics posts. Thanks! 
SpanishCheck please! I need help
Please checkI'm having a problem interpreting these questions and I have to answer them for homework. Could you please check my translation I'm not sure what these questions mean and I have to answer them for homework ¿Qué necesitas para comer en cereal?does this ask what I... 
Foreign languages
Can you please check these sentences, Writeacher? 1) We...... (sit) in the sun for ... when she (tell) us to get inside. 2)We had been sitting in the sun for about half an hour when she told us to get inside. 3) Peter confessed to eating all the cake. (Peter/confess) (shall I ... 
Answer Check Please
Andy and William work together to build a toy house. It will take William 5 hours and Andy 4 hours, or William 10 hours and Andy 2 hours to finish their work. If William works alone, how many hours will it take to finish his work? I say 15 is the answer. 
trig
finding the equivalent polar equation 2x+3y=6 I got r=6/2cos(theta)3sin(theta) can anyone check plz 
trig
What kind of reflections are the following trig functions? y = 3cos(x1) y = sin(3x+3) y = 2sin(x)4 
trig
What is the shift along x of the following trig functions? y = (3sinx/2) + 4 y = 2sin(x)4 y = sin(3x + 3) 
trig
express the trig. ratios sinA,secA n tanA in terms of cotA. 
Trig
Find (if possible) the trig function of the quadrant angle. sec 3pi/2 
trig
What kind of reflection does the trig function y = cos(4x/3 minus 1) have? 
trig
What kind of reflection does the trig function y = cos(4x/3 minus 1) have? 
trig
how do i do this? give the signs of the six trig functions for each angle: 74 degrees? 
trig
simplify to a constant or basic trig function.. 1+tan(x)/1+cot(x) 
trig
find the 5 trig ratios when sin theta = 5/13 and lies in quadrant 3 
PreCalculus
Find the values of x for which the line y=2x intersects the parabola y=(x1)^2+1. So I set the equations equal to eachother, and solved for x using the quadratic formula. The solution I got was: x=3.41 and x=0.59. Could someone please check my work. 
Math Check please
Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,3.5) < (0,4) (0,7) (0,3.5) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom ... 
Trig
Does anybody know a good website that will help me with finding the six trig functions of a point NOT on the unit cricle? 
trig
use the unit circle to find the exact value for all the trig functions of è=2ð/3. 
Precalculus
How would you solve this trig function: cos2x=sin^22 how do you know what trig identities to use? 
Trig
find the exact values of the six trig functions of angle... sin(315degrees) how do i do this? 
Trig
I need help with these kind of problems! Can someone tell me how to work this problem out? Given tan0=2 square root of 5 over 4, and sin0<0. a. cos0 b. csc0 The 0 after tan, sin, cos, and csc stands for angle. The 0 after the < stands for negative or less than. I know it... 
math
If a McBurger employee is expected to work four of the seven days in a week, how many different weekly schedules are possible for the employee? Please check my answer = 840 
Algebra
Suppose a triangle has angles A,B, and C. Angle C is the right angle. Find the measures of the other sides to the nearest whole number. < means angle symbol. 1.BC=9,m<B=72 degrees I got angle AB=28 and angle AC=29 To solve these problems you find either the sine, cosine...