Trig check my work please?

89,471 results, page 59

Math 8R: Homework Check - Part 4

Part 4: Translate and solve: 25. 6 less than twice a number is ten Answer : 2n - 6 = 10 (answer: n = 8) 26. The quotient of a number and 4 plus 3 is 8 Answer: n/4 + 3 = 8 (answer: n = 29) 27. 4 less than three times a number is -28 Answer: 3n - 4 = -28 (answer: n = -8) 28. ...

U.S. History (Check, Please!)(REED)

1. What did Hitler call the unification of Austria and Germany? Q: The Anschluss is what Hitler called the unification of Austria and Germany. 2. What is appeasement and did it work? A: Appeasement is the policy of giving concessions in exchange for peace. It did not work ...

English

Could you check these sentences on Oscar Wilde's "The Picture..", please? Thank you. 1) In the first chapter Lord Henry was relaxing on a divan smoking. Basil Hallward sat looking at his work smiling. 2) Lord Henry said that the portrait should be exhibited at the Grosvenor. ...

trig

please help me with some questions I skipped on a review for our test coming up? solve 5-7 on the interval 0 greater than or equal to x less than or equal to 2pi. 5. sin x=sqrt3/2 6. cos x=-1/2 7. tan x=0 ---------------- 14. what is the exact value of tan[arcsin(.43...

Spanish: Please check answers

Please check my answers. The nswers are at the bottom. 3. Fill in the blank with the correct form of the verb: yo/dormir. yo _________ 4. Fill in the blank with the correct form of the verb: ella/devolver. ella _________ 5. Fill in the blank with the correct form of the verb: ...

English

Q4 What does Ferdinand do when they were in danger because of the storm? A: He jumps into the water and swim away. Q5: He was king of the magic island. Now he must work for Prospero. He is angry with Prospero. He wants his island back again. Who is he? A: He is Caliban. Q6. ...

english/poem

I am suppose to do a funny sonnet poem that has 10 syllables per line and 14 lines .Can you check my syllable or any mistakes. Oh homework! Oh homework! How I hate you! You smell, you stink, and you I don’t admire I want to tell you “go on” “git” and “shoo!” I ...

Science ~CHECK MY WORK PLEASE~

Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical means. C.) both ...

S.S

The merrimack and the monitor changed naal warfare because they engaged in the first battle between A. metal covered ships B. wooden ships C. aircraft carriers D. ships carrying guns I say its B, please check.

Science please check my answer

Which of the following fossil types is best described as forming when minerals replace all or part of an organism's body? A) A mold B) A petrified fossil*** C) A cast D) A trace fossil

math

Solve using the algebraic method. x+5=15 SHOW WORK thanx subtract five from each side. Do you have an allergy to showing work?

Chemistry

I'm having trouble with converting units. My teacher wants us to show work but I can't figure out how to do it. An example is, 35 mL = ____ dL. By showing work, how do you do that?

physics

How much work is done on a bookshelf being pulled 5.00m at an angle of 37.0 degrees from the horizontal? The magnitude of the component of the force that does the work is 43.0N

Math

which ordered pair is the solution of the following system of equations? y=2x-3 x+y=3 1) (1,2) 2)(2,1) 3)(3,0) 4)(3,3) MY work: y=2x-3 x+(2x-3)=3 3x-3=3 +3 +3 3x/3=6/3 x=2 x+y=3 2+y=3 -2 -2 y=1 so I got (2,1) which would be answer 2 Is this correct? Thanks for checking my work

physics

if an ideal gas expands rapidly doing work 450 j of work on its environment, how much heat flowed into or out of it

trig

How do I find 1 positive and 1 negative coterminal angle for: 1) -460 degrees 2) 11pi/4 3) -12pi/5 WERE DO YOU GO TO GOOGLE BECAUSE I TIRED!

Pre Calculus/Trig

find the area of a circle inscribed in triangle ABC where a=9, b=13, and the measure of angle C=38 degrees

math (trig)

Im having problems solving this equation: 2sin(x) = cos(x) + 2 I keep getting an imaginary number..:/

trig

Solve the given triginometric equation analytically 7 sinx - 2 = 3(2 - sin x) If your are online, thank you my dear Reiny:) Priya

trig

Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help cos (7pi/12)

trig

Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help cos (-5pi/12)

trig

tan=.6524 use a calculator to approximate two value of an angle (0<0<360) that satisfy the equation.

trig

for a set of data the line of best fit is given by y=-.687x + 3.431 and r^2=.325. what is the correlation efficient

Trig

Using a double angle formula how would you find the exact value of this expression? Cos²105° - sin²105°

Math Trig

As the time changes from 4:10 pm to 6:45 pm on the analog clock, determine the change in radian measure of the minute hand.

Calculus (trig stuff)

How do I do these type of problems find the exact value. Do not use a calculator cos 7pi

trig

Find the exact value of the trigonometric function: sec(-pi/12) I am not sure how to answer this off the unit circle.

math

correction: use the unit circle to fin the ecaxtvalue for all trig functions theta=2pi/3

trig

using the trigonometric identities find the exact (radical form) value of cos (105 degrees)

trig

use the calculator to find the trigonometric values. express your answers in ten-thousandths. sin 53 degrees 30 ft

trig

the leg opposite the 50 degree angle in a right triangle measures 8 meters. find the length of the hypotenuse

trig

find all sets of three consecutive odd integers whose sum is greater than 54 and less than 63

trig

Write an equation of a secant graph that has amplitude of 3, period of pi/2, is shifted to the left pi/4, and is flipped over the x - axis.

Math 12

trig question 2sin^2x+sinx-6=0 how to solve for x when the restriction is x is greater than or equal to zero but less than 2pi

Pre Calc Trig

Verify the following: tan( a + p/2) = -cot a a= alpha and p= pie since I do not have that button.

trig

Find the values of the trigonmeric functions of t from the given information cos t = -4/5 terminal point of t is in quadrant III

precalculus

how you do you use the power-reducing formula to find the exact value of the trig function: sin^2(37pi/12)

trig

find the exact values of THE SIX TRIGONOMETRIC FUNCTIONS OF THE ANGLE THETA WHICH HAS A POINT ON THE TERMINAL SIDE OF (-1,4)

trig

verify the identity. cos2 x - sin2 x = 1 - 2sin2 x the 2's next to the sin and cos on the right sides are powers.

Math Trig

Find all solutions on the interval [0,2pi] for the following: 2sin^2(x)-5sin(x)=-3 cos^2(x)+sin(x)=1

trig

determine wheather each of the following is an identity or not prove it 1. cos^2a+sec^2a=2+sina 2. cot^2a+cosa=sin^2a

trig

Use the appropriate cofunction to find an equivalent expression for cos 54° cot 24 sec 32 sin 36 csc 44

ah trig help

use an apropriate sum or difference indentity to prove the double-angle identity cos2u=1-2sin2u

trig

Find the numerical value of cos(60degree) + cot(30degree): (A) 1/2 (B) 3p3/2 (C) 12 +p3 (D) 52p3 (E) None of the above.

Trig

How would you write the partial fraction decomposition of the rational expresion 1/(x^2)-25? I know that you factor the denominator, so that's 1/(x-5)(x+5). What are the next steps?

trig

how much force is necessary to stop a 2500 pound car from rolling down a 40degree slope

trig

An arc subtends an angle 15 degrees at the centre of the circle. If the radius is 4 centimetres, find the area of the sector?

Trig

Find the exact value of each of the following using reference angles. a)sin 225degrees b) cot 120degrees

trig

I have to factor the expression and use fundamental identities: sins^2xcscx^2-sin^2x sec^4x-tan^4x

trig

A rocket is launched at an angle of ascent (elevation) of 18 degrees. When it has traveled 6000 ft, what is its height above the ground?

math c30 trig

Determine the period length of y= 2/3 sin (3x/2 ) I had 3pi/2 but the correct answer is 4pi/3 how do you get that???

Trig

Find the measure of the central angle, in radians, given the area of the sector as 22.6 cm2 and a radius equal to 3.7 cm

Algebra/trig

How would i use my calculator to find the approximate value of the expression, cot 0.2748 rad

trig

find the coordinates of the terminal point on the unit circle determined by t=9pt/7 to two decimal places

trig

Use the Law of Sines to solve each triangle. P=110 degrees p=125, r=200 in triangel PQR

trig

Find the length of the circular arc intercepted by a central angle of 20 degrees in a circle or radius 5cm

trig

The hypotenuse of the right triangle PQR is 16ft. length. The sine of the angle <P is 3/5. How many feet long is the line if QR?

trig

Describe the possible values of variable a such that (/72) + (/a) can be simplified to a single term. Note: (/a) is the square root of a.

TRIG

find the degree measure of a central angle subtended by an arc of 8.00cm in a circle with circumference 20.0cm

Trig

Using this graph: imgur [dot] com/utSgKI9 Find the measures of angles A and G in the drawing (m is parallel to n) if C=4x-18 and F=2x+34

Trig

Use a half-angle identity to find the exact value for sec(x/2) if sinx = -12/13 ; 3pi/2 < x < 2pi

trig

Solve rounding to 2 decimal places. 9cosx + 4cos(2x) + 1 = 0 over 0° ≤ x < 360° Thanks to anyone that can help! I'm totally stumped.

math

In right triangle ABC, a = 52 ft and c = 63 ft. Which of the following trig ratios of angle B, would combine the given sides?

Trig

Evaluate tan(a-b). No decimals. Only exact answer. Sin a = -7/25, cot b = -8/15 neither a nor b are in quadrant IV.

Trig

Evaluate tan(a-b). No decimals. Only exact answer. Sin a = -7/25, cot b = -8/15 neither a nor b are in quadrant IV.

Pre-Calc/Trig

Use Descartes' rule of signs to describe the roots of the polynomial function. m(x)=x^3+3x^2-18x-40

TRIG!

true or false, the two sets of parametric equations x=t, y=t^2+1 and x=3t, y=9t^2+1 have the same graph. justify your decision.

trig

How much does it cost to paint a triangular surface of sides 6m,5m, and 11m at the rate of rs.20/-per metre square.

trig equations

Find all solutions (if they exist)for the given equation on the interval [0,2pi) cos^2x-5sinx+5=0

functions and trig

write the transformation of X cubed if it is shifted right four units and then reflected over the X axis

Trig

Find the exact value of the trigonometric function given that sin u=3/5 and cos v=-8/17. Both u and v are in quadrant II. Tan (u+v)

Trig

Convert the polar equation to rectangular form. r=4cos-4sin What I have so far: r^2=4rcos-4rsin x^2+y^2-4x+4y x^2-4x+y^2+4y=0

cultral diversity

Help! check my answer Emergent literacy skills are significantly enhanced by a. the educational or professional level of one or both parents b. engaging in literacy events with other persons,especially adults. c.the family's socio-economic ststus and aspirations. d.quanlity of...

math

3 3/4pt=____c show steps and work please Try the method DrWLS or I showed you FIRST. Repost if you still don't get it but tell us what you don't understand about the procedure.

Math

x=3-3y x+3y=-6 I'm looking for coordinates of where the two lines intercect. If you can, please show your work :) I know it's either (5,-2) or No Solution. But I hate not knowing how something works, and I know that if I don't find out, i'll regret it.

Chemistry

Hey guys, been a long time since I have done this. Please show your work. Thanks a lot! How many grams do 3.6 × 10^20 atoms of sodium weigh? Answer in units of g

algebra 1

what is the y-intercept of the graph of 4x+2y=12? i was giong well on my scratch paper and i mest up and i got stuck and had to erase everything and do it over answers: a -4 b -2 c 6 d 12 please and thank you i need how they do the work i cant decide!

Physics

A 1.11 kg block slides down a 15.0 m long 32.0° incline at constant velocity. How much work is done by friction? (please help me show me how to solve using equation and where to plug the numbers)

maths

my daughter studying in 2nd standard this is the project work i don't understand, please show me the answer. make a chart to represent nos 1-15 using small objets

intermediate algebra

solve using the elimination method. show your work. if the system has no solution or an infinte number of solutions, state this. 14x+18y=-54 -4x-14y=42 help me please

statistics

suppose x is a uniform random variable with c=30 and d=80 find the probability that a randomly selected observation exceeds 50 this is the direct question, i have no idea how to work this problem, please help

Math

Could someone please help me with this problem I just do not get it. Arrange the numerals 1 to 9 (1, 2, 3, 4, 5, 6, 7, 8 and 9) in a single fraction that equals exactly 1/3 (one third)? Example that doesn't work: 7192/38456 = 0.187

Math

Suppose f(x) is a polynomial of degree of 5 and with leading coefficient 2009. Supposdm further that f(1) = 1, f(2) = 3, f(3) = 5, f(4) = 7, f(5) = 9. What is the value of f(6). The answer given in book is 241091. Please work the complete solution.

math

stamjps are sold in bookiets of 100,50, and 10.find as many different ways to buy 200 stamps as you can. record your work in the chart. could you give me some examples...please!

PLEASE HELP CHEMISTRY

CuSO4.xH2O Determine the percent by mass of water in your sample of hydrated copper (II) sulfate. Show your calculations clearly. My work. i got 10% is that correct

chemistry

CH4+2O2-->CO2+2H2O If 22.75g of carbon dioxide is obtained when 9g of methane is burned in excess oxygen, what is the percent yield? Show work too please

algebra

Am I allowed to post 3 related questions? I'll try. Please write these scientific notation answers in standard form showing complete work. 1.764*10^8 3.90625*10^-7 3.0*10^3 Thank you.

chem

What are the molality and mole fraction of solute in a 25.5 percent by mass aqueous solution of formic acid (HCOOH)? work this one out please i didnt understand

Science need help

Choose the words or phrases that most accurately complete the sentences below. One of the most effective measures that a government can undertake to reduce cardiovascular disease is to ………………..Individuals can also decrease their own risk of developing CVD by ...

Algebra

In Vanessa's coin bank there are 4 times as many quarters as nickels, 2 fewer dimes than nickels, and 15 pennies. The total amount in the bank is $5.80. How many of each coin are in the bank? A. Assign a variable to the unknown quantity. B. Write an equation you can use to ...

English

The new drug proved to be highly efective,it has no side effects. A. PROPERLY CONSTRUCTED SENTENCE B. COMMA SPLICE C. LACKS PARALLEL PARTS D. HAS UNCLEAR PRONOUN Please post your answer, and we'll discuss it. A Please check this site. http://ace.acadiau.ca/english/grammar/...

english

it is a conversation between two friends about their journey to London. John asked Lee what he talked with the travel agent regarding their journey to London. Then, Lee told that the agent informed him that it takes some more time, at least one week. For which, John asked him ...

Physics

A 64.4-kg skateboarder starts out with a speed of 2.11 m/s. He does 81.6 J of work on himself by pushing with his feet against the ground. In addition, friction does -289 J of work on him. In both cases, the forces doing the work are non-conservative. The final speed of the ...

ph

A 64.4-kg skateboarder starts out with a speed of 1.95 m/s. He does 119 J of work on himself by pushing with his feet against the ground. In addition, friction does -260 J of work on him. In both cases, the forces doing the work are non-conservative. The final speed of the ...

PHYSICS

A 60.8-kg skateboarder starts out with a speed of 1.84 m/s. He does 90.8 J of work on himself by pushing with his feet against the ground. In addition, friction does -278 J of work on him. In both cases, the forces doing the work are non-conservative. The final speed of the ...

physics

A 64.2-kg skateboarder starts out with a speed of 2.21 m/s. He does 98.0 J of work on himself by pushing with his feet against the ground. In addition, friction does -276 J of work on him. In both cases, the forces doing the work are non-conservative. The final speed of the ...

physics

A 64.2-kg skateboarder starts out with a speed of 2.21 m/s. He does 98.0 J of work on himself by pushing with his feet against the ground. In addition, friction does -276 J of work on him. In both cases, the forces doing the work are non-conservative. The final speed of the ...

English

I did the corrections myself. Can you please check them? I just wanted to know if it is better to say "at Medford Square or in Medford Square, "to leave Turin for Rome", "to leave from Turin and go to Rome", "on" OR "during" our last night in Rome?". I included the sentences ...

Health/Law

Please check my answer :) Martha the medical assistant is legally compelled to give her testimony in a under oath in a malpractice lawsuit Why must she do this ? I think it might be she got some type of subpoena or She is a key witness in the case

geo check

since the 1970s the united states and canada have reduced _______ around lake erie. A)unregulated boat traffic b)overgrowth of destructive algae c) noise pollution D)illegal immigration. i think it b please help me out.

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