Trig check my work please?
90,377 results, page 71

trig
If each leg has length 5 meters, what are the lengths of the other leg and the hypotenuse 
Trig
Solve for t algebraically: inverse cos(t) = inverse sin(t). Where do I start? 
Trig
Is a triangle that has sides which measure 8, 15, and 17 a right triangle? Justify your answer, ie, 
trig
sin2piexcos5piex Is this a sinusoid? No. because 2 pie x and 5 pie x are not the same/equal.? 
math
Trig Identities prove sinx+1 \ 1sinx = (tanx+secx)^2 
English
You forgot to check these other sentences. I really hope you can go through them, too! 1)Can you check the following sentences for me, please? Can you please tell me a synonym for the words in parentheses? Thank you. 1)Alonso is shipwrecked near an enchanted island with his ... 
Chemistry
We have been getting numerous questions like this on assignments and I can't figure them out. Its like I know that there some way connected but I can't figure it out. This is for Chemistry in highschool and its likea review and so they are not going over it but I would still ... 
Science
What are the advantages of slower population growth? Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts about this subject. No diseases and over crowd True. But a society can provide food, jobs, and medical services if ... 
French 1
F Rewrite the following sentences replacing the expression of time with the word in parentheses making any necessary change.My response are bulleted. Please check for me. Thanks again much!!!!! 1.(hier) Aujourd'hui, personne nelave la voiture. (Yesterday) Today, person nelave ... 
Dog Breeds
Please check my answer thanks 1. Which of the following dogs would be best suited for an elderly man who lives in a highrise building, has two cats, and adores tiny breeds? A. Chihuahua B. Pomeranian C. English Toy Spaniel D. Silky Terrier I say A 
Math Please check these
Find the Perimeter and area of each square and rectangle. On my actual paper I have the cm and in behind the numbers along with the area's squared sign I just didn't know how to put that on here. 1. L2 W3 A=6 P=10 2. L1 W1 A=1 P=4 3. L7 W1 A=7 P=16 4. L7 W7 A=49 P=28 5. L6 W4 ... 
Math(Please check)
You invest $3000 in a savings account where you earn 4% interest compounded continuously a) what is the formula A(t) for the balance after t years? A(t)=3000e^0.04(t) b) How long will it take for the money to double? 6000=3000e^0.04t Is this the correct setup so far or would I... 
algebra
Create a unique example of dividing a polynomial by a monomial and provide the simplified form. Explain, in complete sentences, the two ways used to simplify this expression and how you would check your quotient for accuracy. please explain :/ i only remember one way to solve ... 
English
Please Check, Thank You! When choosing your search strategy for a search engine, it's best to A. Combine keywords into phrases by using quotation marks B. Enter the least important word first C. use verbs, articles, and capitals D. Ignore alternate spellings Answer A 
@lucina0555
I have removed the entire test you posted  without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and rereading your text, please do so, but be sure to include what YOU THINK the answers are. Then ... 
@the dude
I have removed the entire test you posted  without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and rereading your text, please do so, but be sure to include what YOU THINK the answers are. Then ... 
@Cray
I have removed the entire test you posted  without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and rereading your text, please do so, but be sure to include what YOU THINK the answers are. Then ... 
English
1. The fish I ate upset me. 2. The fish I had eaten upset me. (One more similar question, please. Are both OK? Because of the tense, #2 seems to be better. What about #1? Are both OK? Is there any difference between them?) 3.I had finished the work before my boss came back. 4... 
Chemistry
Determine the simplest formula for compounds that have the following analyses. The data may not be exact. A. 28.5% iron, 48.6% O, 22.9% S This is what I did: 28.5g Fe 1 mole Fe/55.847g = .51 mole 48.6g O 1 mole O/15.999g = 3.04 mole 22.9g S 1 mole S/32.064g = .71 mole (Fe1.0 ... 
Writing
Would you please proof read and give any suggestions on making this a polished piece? For the past three months workrelated problems have occurred, causing conflicts among coworkers. The ongoing problems require attention in order to better assist our daily clients. The in... 
Math
Solve the equation and show the check of the potential answer(s). If any answers are excluded values, state this on your answer sheet. a2 + 4a  5/a2 + 2a  a + 3/a + 2 =1/a2 + 2a Can someone please show me how to do this problem with checks? I have submitted it to my homework... 
physics please help
black bart and wyatt earp have a race. wyatt moseys 400m in 58.0s and bart moseys the same distance in 60.0s. by what Distance does wyatt beat bart in this race? Please show all work would greatly appreciate have a test coming up and i don't understand at all how to do it 
FINANCE
Direct sendSingle. Ocean Research of San Diego, California, just received a check in the amount of $800,000 from a customer in Bangor, Maine. If the firm processes the check in the normal manner, the funds will become available in 6 days. To speed up this process, the firm ... 
Finance
Direct sendSingle. Ocean Research of San Diego, California, just received a check in the amount of $800,000 from a customer in Bangor, Maine. If the firm processes the check in the normal manner, the funds will become available in 6 days. To speed up this process, the firm ... 
Chemistry
How many mole of H2 will be produced if 0.500 grams of magnesium is reacted with 10.00mL of 2.0 M HCl? I've concluded the answer is 0.02 moles of H2, but I'm doubting myself a lot because I don't understand the aspects of the balanced chemical equation and how that affects the... 
English 7  Check in My Notebook Day (plz read)
Ok tomorrow at my school we are having Check in My Notebook Day. It's a day when all of your teachers check your binder and/or notebook to see if you have all of your handouts they have you, notes you take in class, you date each classwork papers in order, and papers don't ... 
trig
convert 80 degrees into radians 80 deg *2PI rad/360 deg = ? 
Trig
Find the area of ABC if A=56 degrees, b=20ft, and c=12ft. 1/2(20)(12)sin56 1/2(240)sin56 99.5 
Trig
Verify that (secx/sinx)*(cotx/cscx)=cscx is an identity. (x=theta BTW) 
trig
If sinx = 3/5, tan x > 0, sec y = 13/5 and cot y < 0, find the following: a. csc(x + y) b. sec (x  y) How do I get the answers of a. 65/33 b. 65/16 Thank you 
trig  identies
Assume that A and B are in standard position and that sin A = 1/2, cos A >0, tan B = 3/4, and sinB<0 Cos (AB) 
Trig
Rules of Logarithms: Can someone explain how to do: 1) e^(2(ln)(x)) 2) e^(lnx) I know the rules I just don't understand how they apply.. thanks! 
trig
Given that sin(5x28)degree=cos(3x5),0 lessthan x lessthan 90degree,find the value of x. 
trig
find the fundamental solution set (FSS) for(cos2θ)(tanθ+1)=0 
Trig
Given that tan(pi/2) = a. Express tan(x) and sin(x) in terms of a. Hint: Use the fact that x = 2.(pi/2) 
trig
given that tan(x/2)=a. Express tan(x) and sin(x) in terms of a. Hint: use that fact that x= 2*(x/2) 
Trig.
In right triangle ABC, C is the right angle and sinA=(radical 3/2). What is the value of csc B? 
Pre cal Trig
2cos^2x=cosx. Can you subtract the cos from cos^2? Or what would i have to do? 
Trig, Math
State the amplitude, period, phase shift, and vertical shift of f(x)=2cos(1/2xpi/6)1/3 
Math/Trig
Solve: sin x  2sin x cos x = 0 for 0 is less than or equal to x is less than 2pi. 
trig
Cos theta= 1/3, find the remaining trigonometric functions of the acute angle theta 
trig
The parametric equations for a curve in the xy plane are x=2+t^2 and y=43t. Determine the points where the curve intersects the xaxis. 
trig
if x and y are positive acute angles, tan x=1/3and tan y =1/4, find the value of sin(xy) 
trig
Use the appropriate identity to find tan(theta) given that cot theta =0.05. 
trig
Given that sin theta= 3/5 and the terminal side is in quadrant II, find tan (pi/2  theta) 
trig
whatis the possibilities for the square root of 2 times tan theta = 2 sin theta 
trig
a right triangle contains a 25 angle. if me leg is of length 5 inches what is the length of the hypotenuse 
Trig
Prove that the equation is an identity: cot4theta  csc4theta = cot sq theta  csc sq theta How ?? 
Trig
3. In the figure below, the perimeter of the parallelogram ABCD is (6a + 8b + 29) and the perimeter of the triangle ACD is (3a + 4b + 32). What is the length of AC 
Trig
cos45cos25  sin 45sin25 = ?? a. cos70 b. sin70 c. cos 20 d. sin 20 which answer is correct ? 
Trig
If the center of a circle is at (2,2) with a radius of 4 the equation of the graph would be : a) (x2)^2 + (y2)^2 = 16 b) (x+2)^2 + (y+2)^2 = 16 I think it would be b is that correct? 
trig
A ship sails 40 miles SOUTH and 15 miles EAST. Find the bearing from where it began? HELP. 
trig
find all the values of X between 0 and 2π such that cos(3xπ/2) = √3/2 
Trig
Is the angle 11pi/12 on the unit circle the same as the angle pi/12? I'm thinking it would be, but I'm not sure. 
Trig
What is the exact value of tan(s+t) if sin(s+t)=56/65. And cos(s)=5/13 and sin(t)=4/5. Everything is in the first quadrant 
trig
If it is given that tan(AB)=tanAtanB/1+tanAtanB and tanP1/1+tanP=tan195 find p 
Precalc with Trig
What value(s) of x from 0 to 2pi solve the following equation: cos squared x  cos x  6 = 0 
trig
find the minimum and maximum value of sin100 degree plus cos100 degree 
Trig
Evaluate and simplify cos(15º). Hint: Substitute 30º45º for 15º. 
trig.
If P (x, y) is the point on the unit circle determined by the real number θ, then tan θ= x/y y/x 1/x 1/y 
Trig
If the terminal side of an angle theta contains the point (1,3), find secant theta. 
Trig
Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Cos(AB). 
PE CHECK ANSWERS
15. Who should address the needs of a patient with a mental disorder? A. speech therapist B. An internal Medicine Doctor C. A mental health Professional*** D. A medical intern 12. If you've started a lot of hobbies all at once, you should watch out for clinical depression to ... 
One more Chem
One more A helium balloon has a volume of 2.30 L at 23.5 deg C and a pressure of 1.00 atm at sea level. the ballon is released and floats upward. At a certain height the atmospheric pressure is 0.810 atm and the temp is 12. C. What is the volume of the balloon? ????? ??? (P1V1... 
Physics
A system undergoes a twostep process. In the first step, the internal energy of the system increases by 368 J when 144 J of work is done on the system. In the second step, the internal energy of the system increases by 24 J when 248 J of work is done on the system. (a) For ... 
Calculus  Integrating
Question: ∫(x^2)/sqrt(x^2+1) u=x^2+1 , x^2= u1, du=2xdx ∫(u1)/sqrt(u) , expand ∫u/sqrt(u)  1/sqrt(u) Integrate: 2/3(u^(3/2))  2u^(1/2) + c My answer: [ 2/3(x^2+1)^(3/2)  2(x^2+1) + c ] When I took the derivative of this to check my answer, it was not (x^2)/sqrt(x^2+... 
Grammar and Composition
please check: indicate the relationship of each pair by writing S for synonyms, A for antonyms, and H for homonyms. 1. here/hear : H 2. opinioned/unyielding : A? 3. altogether/all together : H 4. misunderstood/misinterpreted : S 5. moderate/excessive : A 6. course/coarse : H 7... 
statistics/ please help ASAP
a set of data is normally distributed with a mean of 500 and a standard deviation of 100. a) what would the standard score fora score of 700 be? b) what % of scores is between 500 and 700? c) what would the percentile rank for a score of 700 *please show and answer all ... 
To Reiny
Reiny could you please check my Calculus post below, it says CalculusReiny. 
bobpursly & countiblis,math
I thought that we can solve anything with equations is it always polynomials. Isn't this the same thing as finding the unknown for an equation. As i said in my previous message or am i wrong. Also what about the rational expressions what are some challenges about working with ... 
calculus
find the points at which the graph of 4x^2  4x + 12y^2 6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x4)/(24y + 6). For the horizontal, x = 1/2 For the vertical ... 
kaley
find the points at which the graph of 4x^2  4x + 12y^2 6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x4)/(24y + 6). For the horizontal, x = 1/2 For the vertical ... 
Health/Law
Please check my answer thanks:) Bob obtains a judgement against Ned and knows that Ned earns a good salary Bob should.... 1. obtain an order of garnishment 2. obtain a writ of execution I picked #1 
Health/ Basic Clinical Procedures
please check my answer thanks true or false Mercury glass thermometers are being repalced by disposable,and digital thermometers mainly because the riskof mercury posoning I said true 
Latin
can you please check my declensions? socius soci socio socium socii sociorum sociis socios sociis gladius gladi gladio gladium gladio gladii gladiorum gladiis gladios gladiis Thanks for your help 
Math
Im going to try another percentage problem. Will you please double check me. Thanks for all your help! 2580/4440=.581081081 Change to percent and round to nearest tenth. .581081081*100=58.108 rounded to nearest tenth is 58.1% 
English
Can you please check these questions, too? Thank you. 1) Answer four of the following six questions. For each question write ten lines only. 2)Do not exceed the space provided. One of your four answer will be evaluated as an oral test. 
chemistry(Please Check)
You have a 4.0 L steel tank containing hydrogen gas. You are able to heat or cool the tank, and measure the pressure of the gas. At what temperature, in Celsius, would you read a pressure of 4.5 atm ? 298 
As physics
Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge Calculate the number of free electrons per metre length of ... 
Calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 532.] Enclosed ... 
calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 1028.] Enclosed ... 
calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 1028.] Enclosed ... 
Chemistry (Check)
Calculate the DHrxn of C6H12O6 (s) + O2 (g) > CO2 (g) + H2O (l) with DHf. C6H12O6(s) 1260.04 O2(g) 0 CO2(g) 393.5 H2O(l) 285.840 I balanced the equation: C6H12O6 (s) + 6O2 (g) > 6CO2 (g) + 6H2O (l) and my work: DHrxn = [12mol(393.5+(285.840))]  [7mol(1260.04+0... 
English
Can you please check the following sentences for me, please? Thank you 1) The first inhabitants of Great Britain were the Iberians. They were followed by the Celts. 2)) They were organized in tribes (or used to live in tribes?) and were skilled (a synonym? experienced, ... 
Math
a. Which values from the set {1, 2, 3,4} are solutions of (line _ this > )2x +5) Show your work? b. which values from the set {1,2,3,4} are solutions of 11 > 2x + 5? Show your work. How are your answer from parts a and b different? How can I tell the answers are ... 
Hamlet Check
Please check my answers 6. Hamlet awaits the appearance of the ghost on: a. the moor near the battle ground b. near Birnam Woods c. the ramparts of Elsinor Castle d. the cellar of the castle My answer B 7. Hamlet is denouncing the celebration that the King is partaking in ... 
solving for x math
2e^(4x^2)=3 how do i solve for x. do i use the ln methode because i don't know how to do that. by calculator, i got x=.168 but i don't know how to show my work. please help me solve for x. Take natural logs of both sides. ln 2 + 4 x^2 = ln 3 4 x^2 = ln (3/2) = 0.40547 x^2 = 0.... 
Economics
suppose you have a factory that makes pens and the demand for the pens decline, and there are more people willing to work due to a recession. does this result in an increase in supply? please explain 
simple chem
a balloon with a volume of 1.375 L is released from earths surface at sea level. what will the balloon occuy at an altitude of 20.0km, where the pressure is 10 kpa? pleasee help!! show work please 
General Question
On a home work assignment it gives the page number and the problems to do followed by E3P. Does that mean every 3rd problem.(It shows 126 E3P, but I thought it would be 1,3,6,9,12,15,18,21,24,27) Please help. Thanks 
7th grade math
Solve by applying the counting principal. When using a four number PIN, how many different PINs are possible? a*b*c=___ I need help.. how do I work this? Step by step please. 
precalculus
i need help with homework which is due tommorow determine algebraically whether the graph of the given equation is symmetric to the y axis the x axis or the origin the equations are 5y=7x^22x can u show work please thanks in advance 
physics
A 22 kg sphere is at the origin and a 12 kg sphere is at (x, y) = ( 22 cm , 0 cm) At what point or points could you place a small mass such that the net gravitational force on it due to the spheres is zero? please show all of work...i don't get it 
Calculus
Find the solution of the logarithmic equation: ln(x+8)+ln(x–8)=0 Im not sure how to approach this one. I tried moving the ln(x8) to the other side and solving for x and that did not work. I also tried putting everything as an exponent to e. please help! thanks 
Physics
I NEED HELP! Already answered on here but does not make sense/work. Please HELP! A 2.7 kg balloon is filled with helium ( density = 0.179 kg/m^3). If the balloon is a sphere with a radius of 5.2m , what is the maximum weight it can lift? 
math
You invest money that pays 6.3% interest/year compounded quarterly. How long should you invest if want to double initial investment? I tried A=P(1+r/n)^nt, but it didn't work, using A=2P. the principle is not given. Please help 
math
a refreshment stand at the fair was open for 3 hours. four people each took turns working at the stand for the same amount of time hoe many minutes did each person work ?? HELP PLEASE !!! 
Chem II
Find the mass of sodium formate that must be dissolved in 200.00cm^3 of a 1.0M solution of formic acid to prepare a buffer solution with pH=3.40? I have no clue how to work this out. Please help me. 
Statistics
Suppose. Population of testscores is normally distributed with mean 65 and standard deviation 13 x~n (65,13) if you select a test at randome what is the probability that the score is below 60 or that it is between 65 and 70 please show work! 
AP Calc Help!!
Let f be the function satisfying f'(x)=x√(f(x)) for all real numbers x, where f(3)=25. 1. Find f''(3). 2. Write an expression for y=f(x) by solving the differential equation dy/dx=x√y with the initial condition f(3)=25. Please show work and reasoning.