Trig check my work please?
89,826 results, page 76

math
On a straight line graph, if the line is going this way \ and the co ordinates that I have are (0,4) and (5,0), then what is the gradient? How do I work this out please? The gradient is (y2y1)/(x2x1). For your two points, that is (4)/5 = 4/5 
Math
determine vertex, focus and directrix of parabola. then graph the parabola. first equation: y^2 2x8=0 second equation: y^2 4y 12x= 8 please show your work! 
Algebra
Please confirm if I did the follow problems correctly: A) Find the sum or difference. (5a – 3b) + (2a + 6b)= 7a + 9b Answer: = 7a + 9b B) Let’s work a few of these (FOIL) 1) (x+2) (x+8) = x 10 Answer: x10 2.) (x+5) (x7) = x + 11 Answer: x + 11 3.) (2x+4) (2x3) = 4x + 7 ... 
Algrebra
Please confirm if I did the follow problems correctly: A) Find the sum or difference. (5a – 3b) + (2a + 6b)= 7a + 9b Answer: = 7a + 9b B) Let’s work a few of these (FOIL) 1) (x+2) (x+8) = x 10 Answer: x10 2.) (x+5) (x7) = x + 11 Answer: x + 11 3.) (2x+4) (2x3) = 4x + 7 ... 
Math
Use the intermediate value theorem to show that f(x) has a zero in the given interval. Please show all of your work. f(x) = 3x^3 + 8x^2  5x  11; [2.8, 2.7] I'm not understanding all this questions... 
Math  Exponential equation
Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 5e^(x log(9)) = 11 
math
find the perimeter and area of a right triangle if 1 leg measures 10 ft. and the other leg measures 24ft. show all work please. 
PHYSics PLEASE I NEED HELP
wally sees a ball sitting on the floor.he kicks the ball across the floor. does he do any work?if not why?if so what energy change is occurring? 
chemistry
jason needs to use 63.5 grams of alcohol that has a denisty of .818 g/ml. How many millilters of the alcohol would jason need?. show work please 
Algebra
$9500 is invested part of it at 12% and part of it at 7%. For a certain year the total yield is $960.00. How much was invested at each rate? Please show work 
chemistry
For a certain change, value of Delta U is 2.37 kJ. During the change, the system absorbs 650 joules. How much work did the system do? Please help! I get 3.02 but is not correct!! 
Alg 1
Find the exact solution for each equation. Find the approximate solution to the nearest tenth. 5 sq rt 2/ sq rt 2 1 = x / sq rt 2 Please explain in detail how to work this. I am really confused. Thanks 
Math Work
Can someone please help me with this? Thanks! :) Directions: Use the ProducttoSun formulas to write the product as a sun or difference. 4cos pi/3 sin 5pi/6 
geometry
use diagram given: m<XWY = 2x+5, m<YWZ = 5x79, and m<XWZ = 122 degrees. m<YWZ= what? (x) (y) (w) (z) connect x to w, w to z, w to y Does WY bisect ,XWZ? Please show work. Th u 
Chemistry
What is delta h for reaction between h2o2 and ethene to give ethylene glycol if HOOH is 49 kcal/mol and C=C 65 kcal/mol Please show ur work 
Chemistry
Calculate the equilibrium concentration of each compound if 0.340 moles of HI are placed in a 5.90 liter container at 520°C. Kc = 0.170 for the reaction at this temperature. soo i tried doing this by setting up an ICE table and finding what x equaled buuuut it didn't work.. ... 
MS SUE PLEASE HELP socials
I REALLY DON'T KNOW THE ANSWER TO THIS. ACCORDING TO THE PROTESTANT WORK ETHIC WHICH AFFECTS CANADIAN SOCIETY EVEN TODAY, ONE GAINS VIRTUE BY WORKING HARD. WHY WOULD BUSINESS PEOPLE AGREE WITH THIS IDEA? 
chem
supose 1.25 mol of N2 and 50.0g of O2 are moxied together. a)which one is the limiting reactant? b) what is the maximum mass in grams of NO2 that can be produced from the mixture? N2(g) + 2O2(g)=2NO2(g) ***please just show me how to set up the equations I would work the ... 
CHEM (HELP PLS)
Suggest the syntheses of putrescine and cadaverine from ethyl bromide I don't think I can use Grignard can I? PLEASE HELP. CH3CH2Br + CH3CH2Mg/EtoEt > CH3Ch2Ch2Ch2MgBr + NaN3/EtOH > CH3Ch2Ch2Ch2N=N=N + LiAlH4/H20 CH3Ch2Ch2Ch2NH2? Then what? does this even work? 
Math help Please
My willy bird is 6 inches and has a mass, M, of 2.1kg. During penetration, it reaches a force or 15.0 N with a coefficient of friction 0.75. Calculate its rotational velocity given no respect to time. How much work is done in a thirty second period? 
Biology Help Please
A cell is lacking in its supply of amino acids. Which of the following will occur? A mRNA will not be formed because enzymes may not be present. B The ribosomes will not work properly because there will be no proteins. C tRNA may not be able to fulfill its job. D all of ... 
Math
Kenny wants to invest $250 every three months at 5.2%/a compounded quarterly. He would like to have at least $6500 at the end of his investment. How long will he need to make a regular payments? *PLEASE SHOW WORK* 
trig
A wheelchair ramp has an angle of inclination of 10 degrees and rises to a height of 3ft. Determine the length of the ramp in feet. 
trig
Name three values of theta that would result in y equal to cot times theta being undefined. 
alg2/trig
To the nearest minute, what is the approximate size of the smallest angle of a triangle whose sides are 4,5, and 8? How do I find the angle? 
trig
find the angle (theta) using cofunction identites sin(3theta17degrees)=cos(theta+43degrees) 
trig
how come you get different answers if you take different paths in trigonometry? (when you choose to use sin, cos or tan) 
trig
Find, to the nearest degree, the solution set of 3sin^2x = 5 cosx+1 over the demain {x0 degrees < or = to x which is < 360 degrees} 
trig
The terminal side of angle alpha is in the fourth quadrant, and sin alpha=1/2, find the values of the other functions. 
Maths  trig
Solve 3cos2x  7cosx = 0, when 0<=x<=360 And also, find the exact values for x when 0<=x<=360 if 3tan^2x=1 Thankyou! 
trig
cos θ = (2√(2)) / (3) sin θ =  (1/3) then what would the triangle look like, the placement of the sides on quadrant 1,2,3, or 4? 
Trig
If the terminal side of theta in standard position contains the point (5,8). Find the exact value of tan of theta 
algebra 2 and trig (math)
Find the positive acute angle that satisfies the equation tan(squared) minus tan = 0. 
Trig
A silo is 40 feet high and 16 feet across. find the angle of depression from the top edge to floor. How do you solve this? 
Trig
A silo is 40 feet high and 16 feet across. find the angle of depression from the top edge to floor. How do you solve this? 
Trig
The graph of y = 7cosx + 24sinx would be a sinusoid if it were plotted. What would be the first positive value of x at which there is a high point? 
trig
To the nearest degree, determine the measure of angle X for each value of tan X a. tan X = 0.49 Just not sure how to solve these questions 
precalc/trig
Find the trigonometric form of the number. (Round any angles to two decimal places.) −8 − i 
Trig
Prove the equation is an identity : csc3theta  csctheta + cottheta/csctheta = cotsqtheta + costheta wow ... try that one 
Math/Trig
Period: Asymptotes: Range: a) y= 2 sec (x) + 1 b) y= 2 csc (x  pi/2) c) y= 1 + tan (x + pi/4) d) y= 1/2 + csc (x  pi) + 1 e) y= cot (3x + pi) + 2 Any tips on drawing the graph? 
TrigAlgebra help asap
A regular pentagon is inscribed in a circle whose radius measures 7 cm. Find the area of the pentagon. 
trig
Find the component form for vector v with the given amplitude and direction angle theta. v=20.6, theta=102.5deg 
trig
solve equation for exact solution if possible leave answer in degree sinx/2=square root of 2 sinx/2 
Trig
the height of a flagpole if a student stands 37 feet from it and determines the angle of elevation to be 34 degrees and her eyes are 5.3 feet from the ground. 
trig
Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form. [2(cos 240° + i sin 240°)]^5 
trig
the 40ft. pole is braced by , a wire from its top in a point 60ft. from its base up, snd 18° slope. how long is the wire? 
Math Precal/Trig
Solve for n. 7((1(3)^n)/(1(3))=3829 I was confused on distributing the number 7, because we've always had problems with the number 1 on the outside. 
trig
The centers of two belt pulleys, with radii of 3 cm and 6 cm, respectively, are 13 cm apart. Find the total area K enclosed by the belt. 
PreCalc/Trig...
The nth term of a geometric sequence is given by an = 1/4(4)^n1. Write the first five terms of this sequence. 
Trig.
If TanTheta= 65/72 and the terminal side of theta lies in Quadrant II use a pythagorean identity to find sec theta. 
Trig
Jimmy wants to rewrite the set of parametric equations x = 1/2 T + 3 and y = 2T  1 in rectangular form by eliminating T. Which of the following equations would help him to eliminate T. A) t = 2(x3) B) t = 2(x+3) C) t = y1 / 2 D) t = 2(y+1) 
Math
How do I simplify this: (The ^ symbol means 3) 3(12){5(4)2^ I tried it,and got8,however when I rechecked my work I got 64. Please help! Please help! where is the other } in the equation? And ^ means to the power so 2^3 would be minus 2 to the 3rd power. Please rewrite ... 
5th math
my teacher want me to show the work on this problem like < or > 3.673.7 shwo want to know how i got the answer cause, i know that 3.67 is greater than 3.7 she said where you work? can you show me one more time .? 
ethics
Why do you think employers don't want you to use social networking sites at work? What would be the consequence of dressing inappropriately at your place of work? What would happen if someone did? 
science
It takes 3.38 J of work to stretch a Hooke’slaw spring 5.63 cm from its unstressed length. How much the extra work is required to stretch it an additional 4.22 cm? Answer in units of J 
physics
calculate the amount of work it takes to increase a cars speed from 10mph to 30 mph and from 50mph to 60mph. Is more work required for 10mph to 30mph? 
Math
Limit = x>infinity 11x^5+4x^36x+2/6x^3+5x^2+3x1 My work: After doing lots of work I got 11/x^2 +4 6/x^2 +2/x^3 All over 6+5/x+3/x^21/x^3 So then I get 4/6 but the correct answer is supposed to be infinity.. I'm very confused 
Biology
The human gene for the production of lactose is on chromosome 2. The dna nucleotide sequence of a small part from the middle is 123456789 TACTCGGAA I haVeTO WRITe DOWN THE EQVIVALENT SEQUENCE FOR MRNA AND HENCE WORK out the sequence of amino acids coded in this part of the ... 
Algebra
Please help me solve this problem the kinetic energy (k) energy of a moving object with varies jointy with it mass (m) and the squareo of its velocity (v). If an object has an mass of 22.5 kilograms and moving with a velocity of 20 meters per secomd has a kinetic energy energy... 
Finance
If the forecast is 400 payments a day to a lock box with average payment of $2,000 and the bank's charge for operating is $.40 a check and the interest rate is .015 percent a day, what minimum reduction in the time to collect and process each check is needed to justify use of ... 
physics
If there is just one force acting on an object, does its work necessarily result in an increase in kinetic energy? Explain. (Select all that apply.) 1.Yes, when a force does work on an object it always results in an increase in kinetic energy. 2.The work done by the force on ... 
physics
If there is just one force acting on an object, does its work necessarily result in an increase in kinetic energy? Explain. (Select all that apply.) 1.Yes, when a force does work on an object it always results in an increase in kinetic energy. 2.The work done by the force on ... 
trig
Prove the identity sin (3 pi/2 + x) + sin (3 pi/2 x) = 2 cos x 
trig
Quadrant I tan terminal= 2 what is csc terminal 
Precalcpossible or impossible (trig)
is this possible? sec __=.04 
Trig
solve sin(2 theta)< cos( theta) 
trig
how do you find the limits of : lim sinx/x where x>0 and lim 1/x3 where x> 3 
Trig Function Question
The yintercept of the function g(x)=2sin2pi(x1)+1 is what? 
trig
Find sin è/2 for sin è = 1/4 and è lies in Quadrant I. 
trig
Find sin è/2 for sin è =  3/5 and è lies in Quadrant IV 
trig
Express sin 3x sin 7x as a sum or difference 
trig/algebra
if p is a multiple of 3 and q is a multiple of 5 which of the following is true? 
trig
prove: tan*2xsin*2x=sin*2xtan*2x 
trig
prove: tan*2xsin*2x=sin*2xtan*2x 
trig
if cot( theta) = 7.89, find tan(theta pi/2) 
trig
solve for all solutions sin(x)=sin(2x) 
trig
prove 1cosB divided by 1+cosB= tan^2B/2 
Trig
What is the exact value of sin^1(sin(8pi/15)? 
trig
In triangle XYZ, angle X = 90°, angle Y = 38°, and z = 4'5". Find y 
trig
1. if sin 2A = Psin2B, prove that tan(A+B)/tan(AB)=P+1/P1. 
trig
If sin T = 1/2, then the value of sinT ( sinT  cosecT ) is 
trig
Solve the following equation for È <= È <= 2(pi) 2 tan È + 3 = tan È 
trig
If theta =( 7pi )/( 3) , then sec(theta) equals...? 
trig
4cos^2 theta = 3 where 0 degrees < theta< 360 
trig
if sin theta equals 3/7, what is tan theta? 
trig
(sec6x+sin2x)/(sin6xsin2x)=tan4xcot2x 
Trig
True or false? tan x = tan(x6pi) 
Trigonometry
What is 6i in standard form? It is originally in trig form. 
trig
cos(+pi/2theta)/csctheta+cos^2theta 
trig
Find minimum value of 2cos x + 2cos y 
trig
Find minimum value of 2cos x + 2cos y 
trig
Find minimum value of 2cos x + 2cos y 
Trig
If the period of a cosine function is 1/3 what is the frequency of the function? 
trig
cscx+1/cscx cosx = secx+tanx 
Trig 3
Why does 1  COS2(Squared) _________________ COS2 = tan2 
trig
Solve (1+tan square A)(1sinA)(1+ sinA) 
Trig
I need to the steps to get (1sinx)(1+sinx)=cos^2 x 
Trig
If tan x = sq rt3/3 and cos x = sq rt3/2, the measure of <x is? 
Trig
Given tan(A) = 2 and A is in Quadrant I, find tan(2A). A. 1/3 B. 2/3 C. 4/3 D. 2/3 
english
i need help, i need someone to critique my work. work will be send through email. thanks