Trig check my work please?

88,487 results, page 52

8th grade math

Can you please check my answer? Selena received $42 commission for selling a computer for $1400. What percent is her commission? my answer: 3%

Math(Please check)

Determine whether on not the following limit exists. If, so compute the limit. lim x->3 of sqrtx - 4 / x^3 +27 sqrt 3 - 4 / x^3 + 27 = sqrt 3 -4 / 54 Is this correct?

Algebra-Please check

For the ellipse (x-2)^2/49 + (y+1)^2/25=1 List center: (2,-1) the foci: -(sqrt 74) AND +(SQRT 74,0) Major axis: x=2 Minor axis: y= -1 Vertices: (7,0) (-7,0) (0,5) (0,-5) Is this correct?

chemistry(Please Check)

CaCl2(aq)+Na3PO4(aq) -----------> Ca3(PO4)2(s) +NaCl(aq)4) If the “H” for this reaction is -45.5 kJ/mol, is the reaction endo- or exothermic? Exothermic


Please check these! Physical or Chemical properties? 1. solubility = physical 2. melting point = physical 3. reacts with water to form a gas = physical

english Please check answer

10. In a research proposal, your sources should not have the potential to answer research questions. A.) true *B.) false Thank You

Calculus-Differentials-Check please?

if the sides of a cube are measured with an error of 2% use differentials to estimate the relative error in the volume df= 3x^2 * dx df= 3x^2 * 1/50 df= 3/50*x^2 is this right?

Algebra 1--Step-by-Step

Can someone show me how to solve these step-by-step? Please? Thank you. Factor each polynomial by grouping. Check your answer. 1. 2r^2 - 6r + 12 - 4r 2. 14q^2 - 21q + 6 - 4q 3. w^3 -4w^2 + w - 4 4. 2p^3 - 6p^2 + 15 - 5p


I deleted your umpteen questions because you included no answers. If you want help on a few, please post no more than five questions along with your answers. We'll check them for you.

Spanish-7th grade-Please check my answers

Could someone check these please?I had place a possessive adjective in place of el 1. El hermano de Juan y Pedro se llama Bret Answer: Su hermano se llama Bret 2.Replace los with possessive Los hermanos de Paco y Linda se llama Santiago y Jose Answer: Sus hermanos se llaman ...

chemistry-check my work

for each of the following pairs, determine which acid is the stronger acid. A. H2S, HS- B. H2SO3, H2SeO3 C. HBr, H2Se D. HIO4, HIO3 E. H2S, H2O a. H2S b. H2SO3 c. HBr d. HIO3 e. H2S


Can you please check these other sentences I'm not sure of? Thank you. 1) After visiting the Roman findings (better ruins/remains) in Aquileia, we had a "free lunch". (we were free for lunch, we were free to have lunch where we wanted, our teachers gave us some free time for ...


divide: x^2 + 2x -15/4x^2 divided by x^2-25/2x-10 answer choices a) x-3/2x^2 b) x + 3/2x^2 c) 2x^2/x + 3 d) 2x^2/x - 3 any your work is? any your work is? (x-3)(x+5)/4x^2 * 2x-1/x^2-25= x-3/2x^2

English Defn

Does work work refer to the type of paid employment? Yes or no?


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


1. (2x-6)/(21) divided by (5x-15)/(12) 2. Solve (x)/(x-9)-4=(9)/(x-9)..I got -6, is that correct? 3. Add. Express your answer in simplest form...(4)/(s)+(6)/(s^2).. 4. Add. Express your answer in simplest form...(x^2)/(x+4)+(8x+16)/(x+4) Lets check you number 2) -6/(-15) - 4= ...

previous post

has anyone read my 4 previous posts? I really need someone to check my answers. Please be patient, Erin. Our advanced math teachers are not online right now, it seems. =)


Please check my answer thanks :) A pre trial conference most likley would occur before dicovery begins but after the complaint is filed True or False I said True

Health care

Please check my answer thank you :) What is based on per-person premiums or membership fees ? 1. Capitation 2. Fee-for service 3. Medical savings account 4. Retrospective payment system My answer is # 1

Health/Specialty Exams and Advance Techniques

please check the answer to this question thanks True or False The external auditory canal contains hair and wax-producing glands I said True

Dogs Hunting Training

Please check my answer thank you very much for all of your help :) Which of the following is not a trained ability ? A. Range B. Pattern C. Gun response D. Reponse to wind and scenting condititions My answer is C


can someone please check my answers simplest form evaluate 2/3+3/5-5/7= 58/105 6. 3/7*24/25 divide by 6/7= 12/25 8.find GCF 432,360,288=72 9. 1050,9360,330=30 11. find LCM 14,75,78=13,650

Math(Please check)

I am trying to find the standard form of this equation for an ellipse. 9x^2 + 4y^2 - 36x + 8y + 31 = 0 First I grouped the x and y's together. 9x^2 - 36x + ? + 4y^2 + 8y + ? = -31 + ? + ? Then I factored the 9 and 4. 9(x^2-4x+4) + 4(x^2+2x+1) = -31+36+4 9(x-2)^2 + 4(x-1)^2 = 9...

Math: please check

A card is drawn at random from an ordinary deck of playing cards. Find the following odds: Odds against drawing a king, queen, jack, or ace Would this not be 16/52=4/13


Can you please check my citation? I'm trying to find out if it's correct. "How Deforestation Affects Us." Edu.udym. 11 Aug. 2008.web. 23 Oct. 2010. <url> (I'd put the url if jishka would let me)

Chemistry(Please check)

If the reaction Cl2 (g) + O3 (g) = Cl2O (g) + O2 (g) occurred in just two steps, what would be the overall order of the reaction be? a. 1 b. 2 c. 3 d. 4 e. not possible to determine from the information given I chose 2 as the answer. Is this correct?


This one im for sure is A but i just want to check and make sure help please. Why did early groups of people form governments? A. to help them survive B. to preserve democracy C. to provide leadership opportunities D. to encourage the arts


Be quiet. Listen to me. Emily, calm down. You are so noisy. Stand up and go to the back. You should remain at the back for the rest of the class. Got it? (Would you check the sentences? Correct errors, please.)

Check my answer please!

I think its decades Jill enjoys reading about American history, especially the last 40 years, or four _____________, of the nineteenth century. A. centuries B. millennia C. decades D. eras

Algebra 2

Hey, I don't understand this question I have honestly done this question about a good 3 times but never seemed to get the right answer. Please Help!!! Solve each equation by factoring. Check your answers. 7x^2=21x

Chemistry Help - Check Please

1) Describe 4 processes/forces that can explain all mechanism in Organic Chemistry? My answers: a) Electron Delocalization b) Hydrogen Bonding c) Aromacity d) Nucleophilic Substitution (SN1 & SN2) Thank you!


Can someone please check my German? _____ du die Fragen? A.Beantwortest B.Fragtest <<< C.Weiß D.Lest Wir lernen über Computers in ___. A. Sozialkunde B. Englisch C. Informatik <<<< D. Integralrechnung


Please check this! The diction of "at the tourist centre in boston" can best be described as.. A. Emotionally charged B. Colloquial and relying on slang C. Informal and simple D. Mostly figurative I don't think it's C or D? My best guess is A.


Which of the following illustrates how fossil fuels can be conserved? A.) driving more frequently B.) developing more coal-burning power plants. * C.) reducing electrical use Can someone check this please?


A 975 N object is pulled at a constant velocity up an incline with a force of 327 N parallel to the incline as shown in the diagram. Assume that the difference between the work output and the work input is the work required to overcome friction. a) what is the force of ...


Could you please check these -thank you 1.How do you say I am going to wake up early I think it is "Yo me voy a despertar temprano" 2. What is another way of saying "Voy a secarme el pelo. Is it "Me voy a secar el pello.

Foreign languages

Can you check these sentences, Writaecher? 1) Can you please tell me how far ...... hotel is from the beach? 2) As a matter of fact, I was looking for a hotel on a seafront. Do you think I should opt for the ..... Hotel?


CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.30:45 D.24...


CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.30:45 D.24...


Use the half angle formula to find the exact value of tan 7 pie/8


Solve the equation on the interval 0 less than or equal 0 < 2pi. 1. sec 30/2 = -2 2. cos(20 - pi/2) = -1 3. tan(0/2 + pi/3) = 1


transform the expression on left to one on right csc x-sin x to cot x cos x


Hi. Can somebody help me solve this equaton with EXACT answers? ----- sin3x = 0 ----- Thankyou! All help is appreciated.


Find the exact value of: sin405. reference angle=225 sin225= -.707106781 = -.71


Write an expression that gives all solutions to the equation sin x + cos x = - radical 2


Give an equation of a cosine function of x which has a phase shift along x of 5 units and an amplitude of 4


Give an equation of a cosine function of x which has a phase shift along x of -1 unit and a wavelength of pi/3


simplify and write the trigonometric equation in terms of sine and cosine. tan^2x-sec^2x


Evaluate the indicated function for f(x)=x2+1 and g(x)=x-4 Note: x2+1 means x squared plus one. (2f)(5)


Find cosq and sinq if the terminal side of q lies along the line y = - 2 x in quadrant IV.


use specific triangles and the unit circle to geth the values. tan(5pi/6?)


Find the distance from pi. 7 pi/6. I subtracted 2 pi from this and got -5pi/6. But the correct answer is pi/6. Whwere did this come from?


Rewrite cos4x as an equivalent expression that does not contain powers of trigonometric functions greater than 1.


Rewrite 8 cos2 x as an equivalent expression that does not contain powers of trigonometric functions greater than 1


The terminal side of theta is in Quadrant III and lies on the line y = 2x. What are the 6 trig functions?

Algebra 2/trig

How would I calculate the following function value? tan = 29degrees 36feet


Write the following equation in standard form and identify the type of conic: 9y^2 - 4x^2 + 8x + 18y + 41 = 0


Find the 6 trigonometric function of teta if it's terminal side passes through the point(1,2)


on the same set of axes sketch the graph of f(x)=sin2x and g(x)=2sin x for x (o,180 degrees)


Given tan A = .29 find the angle A in degrees. Round your answer to the nearest hundredth.

12th grade Trig

What are the period and 2 consecutive asymptotes? 1. y= -3tan pi x 2. y= 2 sec 4 x 3.y= csc x/3 4.y = 3cot pi x/3


find exact value using sum or differnce equations. tan(19pi/12)


Find two exact values of sin(cos­­ˉ¹ √5/6)


Find the area of a sector of a circle with a radius of 3 m and a central angle of 125degrees.


Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth.


Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth.


Find the altitude of an isosceles triangle whose base in 30 cm vertex angle is 75 degres


2 cosine squared pi over 8 minus 1 find exact value of given expression


use a sum or difference identity to find an exact value cos pie/12

trig identies 5.3 &5.4

use a sum or difference identity to find an exact value pie/12

identities trig?

find all solutions to the equation in the interval [0,2pie] cos2x=cosx


angle a is acute and sin = u. find the other five trigonometric functions in the terms of u.


use a half angle formula to find the exact value of cos 75 degree


A sine wave function f(x) = a sin(bx) has amplitude 10 and period 40. What are the values of a and b? (A) a = 10 and b = 20/pi ( B) a = 10 and b = 1/40 (C) a = 10 and b = pi/20 (D) a = 10 and b = 40 E) None of the above.


Use a cofunction to write an expression equal to csc(4ð/11). I need help solving this problem. Thank You

Algebra 2 / Trig

Given cos X = -0.147, find two possible values for X that are not co-terminal.


find cos x/2, sin x = 1/4, 360 < x < 450, use half-angle identity


find the exact zeros of the function in the interval [0, 2π) 2 cot squared x + 3 csc x=0


Find the amplitude, period, and phase shift of the following function: y=-2cos2(θ+45)


A car is traveling at a speed of 55 mph with a bearing of 210°. What vector represents the velocity?


find a value of interval in degrees cotalpha=1.3692847 alpha=0.023903 is that correct?


Solve sin ¥è = -0.204 for 90¨¬ < ¥è < 270¨¬. Give your answer to the nearest tenth of a degree.


evaluate the expression below at t=4 p=$400 and r=-9% round youre answer 2 decimal place


Find the exact value by using a half-angle identity. cos 22.5 degrees


Find the exact value of tan 5pi/12 using the half-angle identity.


write equations expressing: 19cos(theta-50degrees) as a sum of sine and cosine.


write an equation expressing 19cos(theta-50degrees) as a sum of sine and cosine.


if the terminal ray of an angle 0 in standard position passes through the point (-1,3),then cos0=


I need help trying to find the major and minor axis on this problem: x^2+3y^2-6x+24y+6=0


The minute hand of a clock is 6 inches long. What distance does its tip move in 16 minutes?

trig e-maths

giving that cosx=4/5 and siny=12/13, find cos(x+y) when x is acute and y is obtuse angle


f(x)=sin2x and g(x)=1/2tanx for x is the element of [-90;180] 8.1)calculate the x-coordinates of the points of intersection of f and g.


How do you find the exact circular function value of csc(-23pi/6)? I don't know how to do the pi symbol on the keyboard.


a voltmeter's pointer is 3 cm in length. find the degrees through which is rotates when it moves 1.1 cm on the scale?


There is an airplane at an altitude of 12000 ft. The angle of depression is 1 degree. How far on the ground is the plane.


Use an addition or subtraction formula to simplify the expression: tan(2−u)=cot(f(u)).


show that cos(pi x) = pi cosx is not an identity by finding a single value of x for which it fails to hold.


(-3/5, 2) is a point on the terminal side of theta, find the value of the six trig functions


the mini tent of the clock is 5 cm far is the tip of THE HAND TRAVEL IN 35 MINS.


Find all angles in degrees that satisfy each equation. tan(a)+rad3=0


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