Trig check my work please?
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Math
PLEASE SHOW YOUR WORK.. Marty paid $72 for a jacket that had been marked down 20%. Create a linear model to represent this and use it to calculate the original price of the jacket. 
Algebra 2
Find the values of the 30th and 90th percentiles of the data. Please show your work. 129, 113, 200, 100, 105, 132, 100, 176, 146, 152 
READ
All students. Please do not post test or quiz answers to Jiskha. It is cheating and doesn't benefit you in any way. If you need help on homework or anything else, be sure to show your work and possible answers. Thanks :) 
physics
A solid uniform cylinder of mass 4.6 kg and radius 0.051 m rolls without slipping at a speed of 0.78 m/s. What is the cylinder’s total kinetic energy? please show some work so that I can learn from it. 
Calc
FInd the derivative of each of the following function. f(x)=xcosx+x^4e^2x All I know is the rule with the e^u equation where you would do e^2x times 1. other than that I dont know what to do can someone please help and show all work I will appreciate it greatly 
CRT205
Please check to see if I have this correct. Premises: The desire to incarcerate juveniles with adults is based on public fear. Premises: The public fears that juvenile crime is increasing. Conclusion: However, crimes committed by youth are actually decreasing 
dog behavior
please check my answer thanks so much :) For which one of the following situations would you use a highpitched voice? A. Teaching the emergency down command B. Reprimanding a dog for misbehavior C. Communicating your authority to a dog D. Calling a dog to come to you I picked D 
4th grade English
Please check the following, thanks. First Syllable Accented Cancel Chamber Gather Tender Damage action Second Syllable Accented Frosty Mustang Convince Belief Behave Certain Remind Confuse Contain 
Engineer
can please someone check the answer for me Q )if a mobile user is 0.8 km from the antenna calculate the propagation delay suffered by the signal, due to transmission time alone, when it traverses the network from user to antenna. Answe 0.8km/3000000 km/sec (speed of light) 
American Gov'tplease check
With the exception of _____ and _____, the candidate who wins the majority of the popular vote automatically receives all of the electoral votes. 1.)Virginia, North Carolina 2.)Minnesota, Vermont My answer3.)Maine, Nebraska 4.)Maine, Florida 
Stat Help Please
Yearly stock returns on India's Sensex Index are well described by a Normal model with a mean of 18.36% and a standard deviation of 14.65%. give the stock return cutoff for the middle 30% of all years. I used TI83 Calc. for these. Can someone check them? Thank you! Q1=InvNorm... 
Health
after neglecting to look before diving into the pool, your friend hits his head on a rock and disrupts his __________ causing him to be paralyzed from his waist down A. cardiovascular system*** B. circulatory system C. nervous system D. endocrine system Please check 
Social Studies
May you please check if my answer is correct? Why did the system of feudalism arise during the Middle Ages? (1 point) to develop an economic system to determine jobs within a city to defend the countries from attacks to organize the household of noblemen A is my answer 
Introduction to Graphic Design
Hello! Thanks for checking my question out! ____ 1. Which of the following are examples of applied art? Select all that apply. (2 points) a) architecture b) drawing c) industrial design d) sculpting My Answers: A and C Could someone please check my answers? Thanks!  Da Fash 
History (one question please check)
As towns grew, which group was most likely to take responsibility for making improvements to the town? a. merchant guilds b. artisan guilds c. wealthy cathedral bishops*** d. noblemen on whose land the town was built 
PLEASE CHECK OPERATIONS WITH FRACTIONS
1. 619.5 km=__m A, 0.6195 B, 61.95 C, 61,950 D, 619,500*** Write the metric unit that makes the statement true. 2. 5,941 mm= 5.941__ (1point) A, m*** B, km C, cm D, dm Use benchmarks to estimate the sum, difference, or product. 3. 1 7/8+1/9 A, 0 B, 1 C, 2 D, 2 1/2*** 4. 8 8/9... 
Anatomy and Physiology
Hey! Thanks for checking my question out! ____ 4. A fluidfilled sac on the surface of the ovary is called a(n) (1 point) a) ovarian cyst. b) fibroid tumor. c) cystocele. d) ovarian cancer. My Answer: A Could someone please check my answer? Thanks!  Da Fash 
Algebra2(check answers)
Will someone please check my answers? 1)Ping is deciding what to choose for dinner from a menu. He can choose 1 of 4 pasta meals, 1 of 6 chicken meals, or 1 of 3 fish meals. How many ways can Ping choose a dinner meal? a)13< b)18 c)27 d)72 2) How many permutations are ... 
PHYSICS answer check
A 25 gram arrow fired from a bow has a speed of 80m/s. The energy in the arrow came from work done by the bow that acted over a 1m "draw" distance. What average force acted on the arrow over this distance mass=0.025kg speed=80m/s avg force 2N 
English
Can you please check these sentences for me? Thank you. 1)The pilgrims start their pilgrimage at/from Tabard Inn, a place linked with pleasure and go towards the Cathedral of Canterbury, the celestial city of God. 2) You limited yourself to reporting what on the photocopy ... 
GRAMMAR HELP plz check ;;
"You have the answers in the back of the book," he said, "so you should check every answer." A.The period belongs outside of the quotation marks. B. (So) should be capitalized. C. Delete the comma after the word book. D. No revision is necessary. Im guessing that my answer ... 
calculus
The ellipse x^2+3y^3=13, has two points when x+1 . Find the slope of the ellipse at both these points. 2. Thoroughly explain the method you used to find the slope in part 1. What are the strengths and weaknesses of the method you used? 3. Explain whether your method will work... 
Math
Half of a pizza was broccoli and half was mushroom. George ate 2/3 of the broccoli and 1/4 of thee mushroom part. How much of the pizza did he eat? I did this problem but I wasn't sure of my answer so I needed someone to see if I am right or not. My answer is 1/6 and I got ... 
business
 Describe the steps involved in making a hamburger.  Think of your favorite food product. Describe the raw materials that make up the food, how it might have been processed, and then manufactured into the food you enjoy. (I don't really care which food product I describe) ... 
art
i am researching a piece of art work by frida kahlo and i need more infomation about he work, any sujestions? 
12th grade Project work
How can I prepare a beautifully decorated hand made file on a project work for school? 
Math
Jairo ears $256 for 50 hours of work. Write an equation(proportion) to find x his wages for 76 hours of work 
fhjgf
Omar made 378 for 78 hours of work at the same rate how much would he make for 12 hours of work? 
Work
A 75kg particle is moving to the left at 29m/s . How much work must be done on the particle to cause it to move to the right at 46m/s ? 
math
You randomly choose 28 days for your work in March. Find the probability that you are o work on 8th and 16th and 24th March. 
4th grade math
Analee earjs $45 for every 5 hours of work. how much money can she earn for H hours of work 
english
The best preparation for good work tomorrow is to do good work today. i need the subject verb and object 
english
The best preparation for good work tomorrow is to do good work today. i need the subject verb and object 
very hard math question Help
Accoring to the info below, calculate the invoice total please show all your work and explian thanks ________________________________________ Customer Invoice ________________________________________ Stock# Quant Unit Item Uniit Price 24795 150 ea calculator $10.63 32678 150 ... 
fractions
fraction word problem. please advise on how to work the problem Phillip and Jane had a pie each. Phippip ate 1/4 of his and Jane ate more of the pie than Phillip. Which fraction of his pie could Jane have eaten. Possible answers: 2/5 1/6 2/8 or 1/8 Please advise whether or not... 
social studies
how did Mikhail gorbachev affect the government? What did Boris Yeltsin do and how did he affect the government? Please don't give me any links. Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your ... 
trig
the points (0,3), (1.8, .365), (2, .79) (4.5, 1.923) li on a line. Write the equation of the line in slope intercept form. 
trig
Verify the trigonometric identity: [(1–sin²x)/sin²x]–[(csc²x–1)/cos²x]= tan²x I can't figure this out. 
trig
In a right triangle the side opposite the 30 degree angle is 5 meters.Find the adjacent side. 
algebra trig honors
x squared minus four thirds x plus four over nine 
Math/Trig
State the amplitude, period, phase shift, and vertical shift of f(x)=1/4sin(6x+2pi)+9 
trig
80 feet from the base of a tower the angle of elevation to the top is 36 degree find the height of the tower 
trig
find the period and amplitude of each sine function.then sketch each function from 0 to 2pi: 1)y=3.5 sin 5theta 
trig.
Find the degree measures of 2 angles, one positive and one negative that are coterminal with 135. 
trig
if point P is a point on the terminal side of 0, and 0 is in standard position, find sin 0,cos 0 and tan 0. 1. P(6,8) 2. P (1,3) 3. P (2,40), 4. P (5, 12) 
trig
Use a graph of the cosecant function to find the value of theta for which csc theta equals 1. 
trig
Use trigonometric identities to find sec theta, given that tan theta = Radical 5/ 3. 
Trig
Using tables or a calculator, find tan 16 degrees 15 + cot 32.7 degrees to the nearest hundreths 
trig
the basic N of an antenna rests on horizontal ground. the angle of elevation of the top R from a pt H on the ground is 42 degrees 
trig
determine the phase shift of y = sin(3x  2pi). indicate whether the shift is to the right or left. 
trig
How do i solve this equation over the interval [0degrees,360) cot(theta)+2csc(theta)=5 
TrigAlgebra help asap
A rhombus has sides of 5 cm and one diagonal is 6 cm long. Find the area of the rhombus. 
TrigAlgebra help asap
A regular octagon is inscribed in a circle with a radius of 5 cm. Find the area of the octagon. 
AlgebraTrig help asap
A rhombus has sides of 5 cm each and one diagonal is 6 cm long. Find the area of the rhombus. 
trig
a vector has a magnitude of 16 and direction of 120 degrees. write the vector in terms of unit vecotrs i and j. 
Algebra & Trig
at a throwing speed pf 12.2 meters per seconds,what is the angle that produce a distance of 13 meters 
math
Simplify sin 2 theta over 2 cos theta to a single primary trig function 
trig
Find the maximum and the minimum values of sinx + cosx and the smallest value of x which they have these values 
trig identities
Find the exact value of cos (2theta) given csc theta = 8/3 and 0 < theta < pi/2 
trig
what are the values of the angle in the interval 0<the angle<360 that satisfy the equation tan beta radical 3=o 
Trig
Find the area of a sector with the given central angle θ in a circle of radius r. θ = 90°, r = 6 cm 
trig
The point (3, 4) is on the terminal side of angle θ in standard position. Find cot θ. 
trig
Find all real numbers in the interval [0,2pi) that satisfy the equation. cos^2 x+2 cos x+1 = 0 
Trig
2 vectors at a Right angle to each other are pulling on a bolt. vector 1 = 650; vector 2 = 300 then R = ? 
Trig
Write a quadratic equation whose roots are 5 + i radical 2 and 5 – i radical 2 ____ x^2 + _____ x+ ______=0 
trig
I have arrived at .322 as the sine of the angle how do I find the actual angle (in decimal/deg) 
PreCalc/Trig...
Which of the following is the equation of a line parallel to the line y = 3x + 2, passing through the point (10,1)? 3x + y = 29 3x  y = 29 3x  y = 29 3x + y = 29 
Trig
Determine the intervals of continuity of f(x)= ln(sin(x)) I looked at the graph and I have no idea how to state the intervals. 
Trig
Write an algebraic expression for the following: sin(arctan〖(x+1)/(x1)〗 ) 
trig
Find the magnitude and direction angle of the vector v. v = 4(cos 125°i + sin 125°j) v = θ = 
trig
Find the component form of v and sketch the specified vector operations geometrically, where u = 4i − j, and w = i + 5j. v = −u + w v = ( , ) 
English
1. Read the following lines from the poem "Eve to Her Daughters" in which the speaker describes Adam. In the process he had to on reveal everything, because he believed that mechanism was the whole secret he was always mechanical minded. He got to the very inside of the whole... 
trig
If sin = 4/5 with A in QII, and sin B = 3/5 with B in QIV find cos(AB) 
trig
Graph the following from X = 0 to x = 2 pi 2cos 6x cos4x + 2 sin 6x sin 4x 
trig
Prove the identity sin(3 pi /2 + x) + sin(3pi/2 x) = 2cosx 
trig
If an angle is pie radians, what is the arc length in radians? 
trig
if a and b are acute angels and sin(a+b)=1,sin(ab)=1/2 then prove that (1)tan(a+2b)=(3)1/2 
trig
trying to find lowest term: cos^2 è1/4 cos è 1 
trig
How do I solve this? If cos x= 3/5, find the exact value of cos 2x 
trig
csc(x)=3 and pi/2 less than (x) less than 3pi/2, find cot(x). 
trig
Prove: 1sinx/1+sinx=sec*2x2secxtanx+tan*2x 
trig
verify the identity: sin(x+y)sin(xy)=2cosx siny 
trig
HOW DO YOU SOLVE THIS PROBLEM, sin theta>0,cos theta>0 
Trig
Solve for 0<x<2pi > (2radical2)cos^2(x)(radical22)cos(x)1=0 
trig
if sin theta = 2/3 in quadrant 1, find sec theta. HELP!!! 
Trig
find (s+t) given that cos s=1/3 with s in quad I and sin T=1/2 with t in quad IV 
trig
covert polar equation r = 6/(23sinè) to rectangular equation 
trig
Evaluate the expression cos 22 degrees and sec 22 degrees 
trig
If 2tanA+cot A=tan B, then prove that 2tan(BA)=cot A 
trig
if cot 17 degrees = 3.2709, find tan 73 degrees 
trig
if x=4 tan theta, express cos(2 theta) as a function of x 
Trig
Eight Fundamental Identities Sec thada  Cos thada How do I do this? 
Trig
IfA=340°, prove that 2cosA/2 = (v1+sinA)  (v1sinA) 
trig
How to get 5degree without using calculator using identities? 
Trig
tan(θ) = a (a ≠ 0), find cot(θ). 
trig
Prove 1+cos X/1cos X = (csc X + cot X)squared 
trig
sin(x) = 8/17 and 90 degrees < x < 180 degrees then find cos2(x) 
trig
verify the identity algebraically (55 cos x)(5+5 cos x)=25 (sin^x) 
trig
verify that 2/1+cos theta  tan squared (theta/2) = 1 
trig
prove: (tan x + sec x)^2 = 2sec^2 x + 2tan x sec x  1