Trig check my work please?
90,347 results, page 83

trig
on a triangle, A = 50 degrees, B = 81 degrees, and c = 12. what does a, b, and C equal? 
trig
tan^2theta+6=sec^2theta+5 
trig
what is 7pi/3 in degree .13pi/3 in degree 
mathtrig
tan(t)sec^2(t)/tan(t) 
trig
cos^(2) 20 degrees + sin^(2) 20 degrees +pi/2 
trig
find the indicated vector. let u = (9,1), v=(5,9). Find 3u+v 
trig
simplify (1cot^2x sec^2x) / ( cot^2x) 
trig
simplify (1cot^2x sec^2x) / ( cot^2x) 
trigonometry (Trig Equation)
4 cos 2x + 3 cos x = 1 
Algebra
Find the next three terms in the sequence? 6,5,16,17 A 38,49,60*** B 37,47,57 C 36,45,54 D 36,46,57 3 What are the first four terms of the sequence represented by the expression n(n1)5? A 7,5,3,1 B 5,10,15,20 C 0,2,6,12 D 5,3,1,7*** 6.Given the function rule f(x)=x... 
Math
Help Please: Please Help 1.Essay:Show all work,Find the Product. (x^22)(x^34x+9) 2.Find the product:(2x4y)(2x+4y) 4.Find the product:(8x3y)^2 a.64x^2+9y^2 b.64x^29y^2 c.64x^248xy+9y^2 d.64x^248xy9y^2 (b) 
medical coding True or False
Please check my answer thanks The coding supervisor is interviewing candidates for a new out patient coding position the JOB DESCRIPTION will assist bthe coding supervisor in this process I said true 
math 012
will someone please double check my answer to this problem. the answer i get is a fraction, but not sure how to type it on here. 4(4y+2)=2(1+6y)+8 16y+8=2+12y+8 16y+8=10+12y 16 16 8=6+12y +6 +6 14=12y divide both by 12 and that leaves y=14/12 then reduce down to 7/6 is this... 
math
please check my answers 1.which is smallest 5/8,3/4,9/16,7/8 =9/16 2.subtract 6 3/104 11/15=1 17/30 3.estimate 6 1/8* 7 4/5=48 4.lcm of 20,32=160 jon spent 1/3 of his study time doing math and 2/7 preparing for history exam. what fraction of his study time remains? = 8/21 5.... 
Algebra
Could someone check this equation for me please.I have added the steps I have done so far. 7x +9 = 5x5 subtract 5x from both sides and simplify 2x+9=5 subtract 9 from both sides 2x=4 divide by 2 x=2 Thought I had done it right but each side does not add up equally if x = 2. 
geography
What lines of latitude determine the" tropics"? My answer is 23.5 degrees N and 23.5 degrees S latitude. Am I right? Please check me on one more! Why is Greenwich, England, so important to a geographer? My answer is  Because the prime meridian runs through it. Am I right? 
Physics
A car sits at a red light. Once the light turns in green, the driver accelerats at a rat of 3.5m/s^2. How far has the car moved after 6 seconds? I have so far d= (1/2)at^2 please check is it (1/2)(3.5m/s^2)(6 seconds) is the answer 1.75 m/s^2 x 6 sec=10.5 m/s^2? Thank you 
Physical Science
Hello! Thanks for checking my question out! ____ 3. During a phase change, the temperature of a substance (1 point) a) increases. b) decreases. c) does not change. d) increases or decreases. My Answer: C Could someone please check my answer? Thanks!  Da Fash 
Business Research and writing
How do I analyze this data below? Thank you for taking the time to complete this brief survey for my class project. The information gathered will be analyzed to determine how an individual’s educational background relates to his or her career choice. Your input will be ... 
History
What was the purpose of the freedmens bureau A.to allow former slaves to vote B.to grant former slaves a piece of southern land C.to repeal the black codes D.to assist former slaves with getting jobs, education, food, and cloths*** Can someone please check my answer 
i need help accounting
Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each transaction. Transactions: 1)... 
math ( subtracting fractions)
12 1/4 4 1/8 When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it. 
Chemistry(Please check)
A reaction has a rate law, rate = k times A times B squared. What is the overall order of the reaction. I think that the order is 0. Is this correct? 
Calculus
Which of the following functions is continuous at x = 5? I put a for my answer, could someone please check this? a. f(x)=(x^225)/(x+5) b. (x^225)/(x5), x cannot equal 5 20 when x equals 5 c.(x^225)/(x5), x cannot equal 5 0 when x equals 5 d. all of the functions are ... 
Math
Please check my answers! Proportion worksheet! 1. 17/2 = x/5 17/2 = 42.5/5 2. 22/30 = 100/x 22/30 = 100/136.36 3. 2/1 = 12/x 2/1 = 12/2 4. 400/1 = 1000/x 400/1 = 1000/2.5 5. 125/2.5 = x/6 125/2.5 = 300/6 
MATH
1))ten to the seventh power= 8^7 base 8 exponent 7. key Sequence: 8^7=2,097,152 2))ten to the six power= 10^6 base is 10 exponent 6 key sequence: 10^6=1,000,000 3))nine to the fourth power 9^4 base is 9 exponent is 4 key sequence:9^4=6,561 thanks i need someone to check my ... 
English
1. I am in the RCY club. We do cleanup activities and help people in need. 2. I am in the gag club. We make scripts and do plays. 3. I am in the science invention club. We make things with plastic and metals and have a display show. 4. I am in the pop music club. We listen to... 
Physics
12 kg wagon is being pulled at an angle of 38o above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? Is this question a typo? Am I supposed to solve for force or work? Physics  silverback, Tuesday, ... 
please check my answer
Consider the following equations. N2H4(l) + O2(g) N2(g) + 2 H2O(l) ÄH = 622.2 kJ H2(g) + 1/2 O2(g) H2O(l) ÄH = 258.5 kJ H2(g) + O2(g) H2O2(l) ÄH = 187.8 kJ Use this information to calculate the enthalpy change for the reaction shown below. N2H4(l) + 2 H2O2(l) N2(g) + 4 ... 
English
1. The cooker is used to cook rice. 2. The machine is used to make books. 3. The knife is used to cut vegetables. 4. The table is used for the kids to study. 5. The room is used for him to study. 6. The car is used for his wife to go shopping.  Are ... 
Math
Write each percent as a fraction and as a decimal. 7. 72% full 72/100 or .72 9. 500% increase Would it be 500/100 or 500/1000? .500 11. 37% profit 37/100 and .37 Please be so kind as to double check my answers and explain to me if I got anything wrong so I can get a better ... 
Anatomy and Physiology
Hey! Thanks for checking my question out! ____ 7. Women typically reach the peak of fertility in their (1 point) a) late teens. b) late twenties. c) early thirties. d) late thirties. My Answer: B Could someone please check my answer? Thanks!  Da Fash 
Math Please Help me!!!
3x^2+17x+10 *You have to factor completley but I don't know how too.Please help.! (3x+2 )(x + 5) Factoring asks this question: what two factors of 10 add to 17 when one is multiplied by three? Here is how you factor. Place two sets of parentheses. ( ) ( ) To get 3X^2, we may ... 
science
On top of one of the peaks in Rocky Mountain National Park the pressure of the atmosphere is 500.torr. Determine the boiling point of water at this location. The heat of vaporization of water is 40.7 kJ/mol? Show work for me please! Thank you 
Algebra
I am great at math but for some reason can not wrap my brain around Algebra for the world! Please Help!! Im stumped! Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 3x – 5y = 61 7x – 5y = 9 
Chemistry
Zinc sulfide and oxygen gas react to form oxide and sulfur dioxide. Determine the amount of ZnO that should be produced in a reaction between 46.5 g of ZnS and 13.3 g of oxygen. What is the mass of the xs reactant? Please show work 
Algebra
please help me solve my homework with all the work involved. i have trouble paying attention in class so it's hard for me to do my homework. here are a few of the questions. I need to find out what the letters equal. 1.) 10(4+y)=2y 2.)9(b4)7b=5(3b2) 3.)(8n2)=3+10(13n) 4... 
CHEMISTRY
In each reaction, calculate the moles of product (in parentheses) when 3.00 moles of each reactant is used. A: 4Li+O2 = 2Li2O (Li2O) B: Fe2O3+3H2 = 2Fe+3H2O (Fe) C: Al2S3+6H2O = 2Al(OH)3+3H2S (H2S) Please show work, Thanks 
Physics
Find g at a point on earth where T = 2.249 s for a simple pendulum of length 1.250 m, undergoing smallamplitude oscillations. (Enter your answer to four significant figures.) CAN YOU PLEASE PROVIDE AN ANSWER WITH WORK . THANK YOU VERY MUCH!!!!! 
Math
In ΔABC, A=75 degrees and b=6. Giving your answer in interval notation, find the range of values of a such that: only one triangle is possible. two different triangles are possible. Please explain or show work! 
government
a labor union is an organization of workers who a. hold exactly the same political beliefs b. represent the interests of the business community c. work in the same job or industry d. work on farms. i think its b 
Physics
To compress spring 1 by 0.23 m takes 188 J of work. Stretching spring 2 by 0.27 m requires 211 J of work. Find the force constants. K1 = K2 = I have derived the formula for k as k = W/(2x^2) but when i plug in the values the answer isn't correct. 
Calculus
Is x^2  2x 1 to 1? I keep getting yes every way I try to work it. Book says no. In the end, I get (with x1=1 and x2=1 < I use these numbers because of the x^2) f(x1) = 1 and f(x2)=3. I can't seem to find if x1 = x2 (btw, I know that by the graph it is not, but I am ... 
Ethics and social responsibility
You work hard in your office overtime weekends and early mornings.you get paid well but despise that your coworkers are getting paid the same pay for less work then what you are doing and get promoted ahead of you. 
math
write an expression using n as the variable for this problem. each day julia rides her bike to and from work. she lives 9 blocks from work and burns 13 cal. per block. how many cal. does she burn in n days 
please everyone post opinions. everyone is welcome
is it wise to plan your life for next twenty years now? i'm asking opinions from people for my project so i will appreciate if you please participate. To start off, this is my answer: i think it is wise because have broad plans in goals in life will give an idea to people on ... 
Maths
Please, I still need help with this. I need to make tables of values for both horizontal and vertical stretching, but I wasn't in class and missed the lesson. I don't really understand how to get the values; at first I figured you'd get the value of y by just pluging in ... 
physics
A 6.30kg block is pushed 9.50m up a smooth 35.0∘ inclined plane by a horizontal force of 77.0N . If the initial speed of the block is 3.15m/s up the plane. What is the initial kinetic energy of the block, the work done by the 77.0N force, the work done by gravity, the ... 
at leasttell me u cant accounting
Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each transaction. Transactions: 1)... 
Thematic unitsquestionPlease Help!!
I asked this question yesterday and didn't really get much help with it. Can someone please help? An appropriate way to make connections to thematic units involves: 1. crosscultural activities 2. developing interpersonal activities 3. the use of an appropriate software ... 
CHEMISTRY
Observations Mass of Fe metal:100 MG Volume of water in Calorimeter: 100 ML Mass of water in Calorimeter (use 1g per ml): 100G Initial Temperature of metal: 20 Initial Temperature of water: 20 Final Temperature (both metal and water): 100 Determine the heat gained by the water... 
Physical Science
When you do 100 J of work on the handle of a bicycle pump, the pump does 40 J of work pushing the air into the tire. What is the efficiency of the pump? 
college
Rs 150 will be given to cultivate one hectare of land.A and B can do this work 12 hours.B and C can do it in 15 hours and C and A ca do it in 10 hours.How much each will get if all the three work together? 
math 156
june wants to work for 15 1/2 hours at her parttime job this week. she has already worked 8 3/4 hours. how many more hours does she need to work? 
Algebra 2
Q: What is the value of b in the equation 4^2b3 = 8^1b? My Work/Answer: Set each sides base to 2 2^2(2b3) = 2^3(1b) cancelled bases out solved for b my answer  9/7 Is my work and answer correct Thank You 
French #2
Can someone please check my work? The following people are not engaged in certain activities because they do not have certain things. complete the sentences with son, sa , ses, leur, or leurs and an appropriate object from the list of words provided. Be logical. radio, voiture... 
Please check (history5 Questions)
Please check these and thanks :D 1.A 2.D 3.A 4.(help because i couldn't get it) 5.B  1.What signifies the period known as history? A. There are written records. B. It is a much longer period than prehistory. C.... 
Language Art (Please Check...again)
1)Resilient people usually a)complain when they have bad luck b) bring good luck to others c)are able to deal with others** 2)when the someone refers to pausing to " enjoy the view of the trees and the flowers below," he really is talking about a) looking down at the view from... 
Physics
A 300 kg piano slides 4.4 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40. (a) Calculate the magnitude of the force exerted by the man. (b) Calculate the work ... 
Physics
A 300 kg piano slides 4.4 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.(a) Calculate the magnitude of the force exerted by the man.(b) Calculate the work ... 
English
Can you please check these sentences? Thank you. 1) Fishing was an important source of income in the Maldives. Now it has been replaced by tourism. 2) In Dublin you can go shopping in the busy and noisy streets around Grafton Street. 3) In 1845 Ireland was struck (hit) by a ... 
cultural diversity
1. Asian emphasis on the value of filial piety may be noted in: A. A family's reluctance to disagree with an early childhood professional. B. Encouragement of interaction between adults and children. C. Strict adherence to Buddhist teachings. D. A mother's extreme effort to ... 
Language Art (Please Check)
8.C 8.Which of the following details supports the main idea that Pa worked hard to try to feed his family? A.Pa and I walked, because I was a big boy of eleven. B.Were prid near out of grub my father told her. C.He traveled twice as far each day as the wagon. D.He glanced at ... 
Englishhh
Choose the pronoun that correctly completes the sentences in questions 15 1.(Who, To whom**) was she talking? 2.(We, Us**) Students are participating in a meeting at the end of the school day. 3. None of the girls succeeded in completing (her, their**) project. 4. Blanca told... 
Physics
(a) Determine the amount of work (in joules) that must be done on a 104 kg payload to elevate it to a height of 993 km above the Earth's surface. ______ MJ (b) Determine the amount of additional work that is required to put the payload into circular orbit at this elevation. ... 
Chemistry
How much water needs to be added to 150mL of an 0.75 molar solution of lithium phosphate to make the solution 0.625 molar? I came up with 70.31mL Can you someone just check this for me please? you want to dilute it 75/62.5, so you are diluting it a factor of 1.2, so add .2 ... 
Science
Accordind to the theory of demographic transition,why do birth rates fall during the third stage? Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts about this subject. Premature births and abortions Premature births ... 
Chemistry
Can someone please check the following answers for me...THANK YOU! 1)Raising the temperature of a reacting system increases the rate of reaction but does NOT increase the: NUMBER OF COLLSIONS 2)Activation energy is: AN ENERGY BARRIER BETWEEN REACTANTS AND PRODUCTS 3)A catalyst... 
Physics
A pendulum of a given mass is pulled back through a given vertical height and released to swing back down to a 'wall' where it impacts. Can i use mg delta h to get E kin; and then use E= half mv^2 to get the collision impact velocity? Would someone check my thinking please? ... 
Agility training
please check my answer thanks :) Which one of the following acts is considered a fault on a broad jump? A. Moving one of the planks B. Touching the front edge of the first board C. Entering between the marker poles D. Knocking over a corner marker My answer is A 
Honors Chemistry
Can someone check my first answer and help me with the second question? Thanks so much!! :D 1. N2 + 3H2 ==> 2NH3 : How many grams of NH3 can be produced from the reaction of 28 g of N2 and 25 g of H2? ==> I got 37.5 grams. 2. How much of the excess reagent in Problem 1 ... 
Chemistry(Please check)
. Ksp for Fe(IO3)3 is 1014. Two solutions, one being iron(III) nitrate and the other being sodium iodate, were mixed. At the instant of mixing, [Fe3+] = 104M and [IO3] = 105M. What happens? My answer is that a precipitate forms because Qsp > Ksp. Would you agree? 
Physics  check answer please
Refraction is: a) the way light behaves when it goes through a narrow opening b)the way teo light sources interact to produce interference patterns c) the absorption of one component of the electric field d) none of the above are correct my answer: d 
English
PLEASE HELP!!! I'm really confused about these question from Romeo and Juliet... I marked the answers that I "think" are right but I'm not sure. Please tell me which ones i got wrong and the correct answer!?!?! 1. Why doesn’t Juliet want to marry Paris? She is already ... 
algebra
^ = exponent **show work please A sheet of 67pound paper has a thickness of 100^1 inch. a. write and evaluate an expression for the total thickness of 5 sheets of 67pound paper b. write and evaluate an expression for the total thickness of 2^3 sheets of 67pound paper. I've... 
pre calc
The terminal side of an angle in standard position goes through the poin (2,5). Find the values of the 6 trig function sin cos tan csc sec cot 
trig/math
Two ships leave a harbor together traveling on courses that have an angle of 124° between them. If they each travel 511 miles, how far apart are they (to the nearest mile)? 
Algebra 2/Trig
We just started logarithms and exponential functions, and I'm kind of getting the gist but not really. Here is what I tried on one of the homework problems: 2^X=4^X+1 1)2^X=(2^2)^X+1 2)x=x+1 3)0=1 or no solutions I wasn't sure what to do between steps 1 and 2. Thanks!! 
Math
What are some examples of exponential function (Using the formula: Al = A0(1/2)^t/h ), trig functions that are used to find amplitude, period, max, min etc., and combinations of transformation at home or in life in general? 
trig
An airplane pilot wishes to maintain a true course in the direction 250° with a ground speed of 400 mi/hr when the wind is blowing directly north at 60 mi/hr. Approximate the required airspeed and compass heading 
Trig
Use the equation mg sin A = umg cos A to determine the angle at which a waxed wood block on an inclined plane of wet snow begins to slide. Assume the coefficient of friction, u, is 0.17. 
trig
Find the values of sin 0, cos 0, and tan 0ƒáif the angle 0ƒáis in standard position and its terminal side passes through the point (¡V15, 8). Give answers as fractions. 
Trig
mercury rotates around the sun in approx. 89 earth days (or 7,689,600 s. use a calculator to approximate its angular speed. choices: 4.09x10^7 0.035 0.071 8.17x10^7 
Physics
The concepts in this problem are similar to those in MultipleConcept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 72.4kg person straight up by means of a cable. The person has an upward acceleration ... 
physics
The concepts in this problem are similar to those in MultipleConcept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 85.8kg person straight up by means of a cable. The person has an upward acceleration ... 
Physic
The concepts in this problem are similar to those in MultipleConcept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 75.4kg person straight up by means of a cable. The person has an upward acceleration ... 
English
Could you please check the following sentences, please? Thank you. 1)I'm still waiting to receive an answer from the principal of the German school to see if they are willing to accept your school in our Comenius partership. 2) In any case, our science teachers are really ... 
CHEM
how do I work this question out?: 50.00g of NaCl are dissolved in water to give a solution that contains 2.500% NaCl by mass. The density of the solution is 1.030g/mL. The volume of the solution is: a)941.8mL; b)1.942L; c)2.500L; and, d)50.0mL. I know the answer is "b">1.... 
Chemistry
You are a work study student in our chemistry department. Amy, your supervisor has just asked you to prepare 250ml of 2.00M H2SO4 solution for tomorrow's undergraduate experiment. The Stock Solutions cabinet is under the Stockroom Explorer. You will find find a 2.50 liter ... 
math
A and B together can make a wall in 60 days. A has worked for 12 days, B finishes the remaining work in 36days. How many days will B take to finish the whole work alone? 
Math (Check Answers Please)
(Please tell me if I did a good job!) Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of solutions. (My answer:) 3x + 5 = 3x + 5 This equation is equal to its ... 
English(PLEASE CHECK)
Why does Curley's wife pose a threat to Lennie and George? My Answer She flirts w/ other men + Lennie is interested; Curley might find out; Curley will find any reason to fight w/ Lennie. 
Science 8th grade
Please check my answer thanks What makes up most of the volume of blod plasma ? A Reb blood cells B Water C Plasma proteins D White blood cells I think it's Red blood cells 
Physics(Please check)
After 14.6 s, a spinning roulette wheel has slowed down to an angular velocity of 1.22 rad/s. During this time, the wheel has an angular acceleration of 4.51 rad/s2. Determine the angular displacement of the wheel. I did w0= wf + (4.51)(14.6) = 1.22+45.1 46.32(14.6)  (1/2)(4... 
Math
Mr. R has some money to buy oranges, if he will buy 15 oranges he will need $90 more, if he will buy 10 oranges he will have $60 left. how much money has mr. R? Please kindly solve this using George Polya method.. guess and check... 
English Grammar
1. They work on Saturday mornings. 2. They work in the mornings. Is the use of plural nouns, mornings, in the sentences above grammatical? 
Please Help!!!!!!
Solve the Trigonometric equation for all solutions between [0,360)degrees. Sinx + 1 = 2.6635 Please, Please, Please Help Me!!!!!!!!!! 
HELPPP~Reading! ! !
Can you PLEASE PLEASE PLEASE PRITTY PLEASE WITH A CHERRY ON TOP help me find a link that will give me the meanings of idioms? 
English
I was wondering does anybody have answers to the The Renaissance: 1485–1660: Unit Test please I'm failing please please please help me thank you :) 
Math
Part 1: Write two conditional statements for which the converse is true. 1. Statement: 2. Converse: 3. Statement: 4. Converse: Part 2: Write two conditional statements for which the converse is false. 5. Statement: 6. Converse: 7. Statement: 8. Converse: Listen my grandmother...