Trig check my work please?

87,713 results, page 89


What problems did the Israelites face when they returned to Canaan? This is a religious, rather than a historic question. Please check your book or the Bible for the answer your teacher expects. As there is no physical historical evidence for Any of the events in the bible, ...


please check president Roosevelt's progressive record included all the following EXCEPT a. conservation of forest land b. break-up of several trusts deemed harmful to the public c. regulation of food and drugs d. establishment of the Federal Reserve System the books says that ...

cultural diversity

An early learning center that emphasize "product" over "process" would a. threaten most mainstream children b. be child-directed reflecting self-selection of activities and material c. ignore the principles of developmentally appropriate practices d. harmonize with non-...

History- check my answer, please!

Japan became a peaceful, democratic nation relatively quickly after the end of World War II. Which step was not part of its postwar transformation? disarming most of the military adopting a new constitution giving women the right to vote giving the emperor more political power...


Many events take place on the island but everyone feels guilty and sorry for their actions in the end and they head back to Italy, Milan safely all thanks to Prospero's spirit, Ariel. Ariel is a spirit who used to be a slave of Sycorax, an evil witch. (Would you check the ...


A virus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files? I am not sure how to set this problem up, can someone please help! 40% = 40/100 40/100 = 300/x Solve for x. I...

Health insurance

Please check my answer thanks for the help :) If an enrollee uses more services than originally assumed per the PPPM calculation then what would the paln do? A. show a profit for that period B. show a loss for that period C need a contract renegotiation D. reguire that the ...

6th grade spanish please check if i'm right

Puedes encontrar la taquilla en frente de LA SALA DE CONCIERTOS. Si te gusta escuchar y ver música en vivo, puedes ir a UN CONCIERTO. the choices are:el cine el circo el espectáculo el estreno la discoteca la sala de conciertos las olimpiadas un concierto Thanks!


Allusion- 1 Why did the author refer to "Hansel and Gretel"? 2 Why did this folk tale emphasize the horror of the Holocaust for Misha? 1 Because in Hansel and gretel the kids burned the witch and died but in Milkweed the jewish are burned. 2 Because it kind of resembles the ...

Physics-Please check

If I went tubing with my little sister, and I have a larger mass, why would we both reach, in terms of energy, the bottom of the hill at the same time; Originally I thought becuase we would both be accerlerating at the same rate but that doesn't explain the energy part does it?


Not Urgent But Please Check My Answer: A pencil at a stationery store costs $1, and a pen costs $1.50. Stella spent $21 at the store. She bought a total of 18 items. Which system of equations can be used to find the number of pencils (x) and pens (y) she bought? I think it is ...


I need to solve these anagrams of famous mathematitions PHRYGATOAS ADSHERECMI TFMARE GABBEBA COBFIICAN GHETGNINLAI LUDECI PRANIE LLCAOVEE The first one is PYTHAGORAS. For names of other famous mathematicians, check this site:

Simplifying Rational Expressions4x-12/4x

These are the answers i wanted corrected: 4x12/4x d+7/d^2-49 t^2-25/t^2+t-20 2x^2+6x+4/4x^2-12x-16 6-y/y^2-2y-24 You will have to use brackets to show the intended order of operation. How can we 'correct' your work if you supply neither solutions nor answers? I will be happy ...


in the role of servant to their constituents, members of congress a. work for their political party b. oversee the work of the executive branch c. screen bills for action by the whole house or senate d. help people from their district or state deal with the national government d


How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ...

Algebra 1B

How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ...


How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ...


How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ...


How is doing operations—adding, subtracting, multiplying, and dividing—with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you ...


Jack drives 6.45 km to work and his car gets about 0.0147 km per gram of gasoline. Using the balanced chemical equation (you need to find out this equation by yourself), how many grams of CO2 is produced in this trip to work


Leadership. Topics based in this research area may consider leadership styles, relationships, behaviour, followership, and anything else that works or doesn’t work as it related to having work conducted through others. what would be a good thesis for this topic


how to put emphasis on highlighted words ? 1 Are you going to wear " this dress " at the reception ? 2 "Ann" put up the Christmas decorations 3 why can "you" never be at work on time ? 4 "John" looks after the children when Shelia is at work 5 "Where" did you spend your ...


Let's play the game. Make groups of eight. You should choose a leader in the group. I have prepared 4 sets of word cards and 4 sets of picture cards. The leader from each group should come up here and take the cards. The leader should mix the word cards like this and put them ...

Check my answered questions.

For the combining gas law P1V1/T1=P2V2/T2 home work assignment I did three answers on my own and would like you to check them if they are right. If for some reason the answers that I provided don't seem correct please provide me with the right answers. P1V1/T1=P2V2/T2 For ...

write a check

How to write a check for 4,024.29

Dog Breeds

Please check my answer thanks 20. Suppose the AKC is considering recognizing a new dog breed that's medium in size and quite good at flushing game birds out of hiding and then retrieving them. This new breed would likely be categorized in which group? A. Hound B. Sporting C. ...


Can you please check these sentences for me? Many thanks. 1) At the moment I don't know at what time I will be arriving in Berlin on Friday 13 August. 2)I believe I will be able to have conversation classes with you from Monday to Friday. (I may do two hours of German instead ...

American Government

1. Which of the following is NOT a criticism of the media's influence on public opinion? a. bias in reporting b. negative focus c. watchdog reporting d. visual imagery Answer: b 2. Which of the following is NOT a function of an interest group? a. supplying information b. ...


Can you please check these statements? I'm not sure about the word choice. 1) Explore the theme of the double as it occurs in the works of the writers we studied in class. (I need to change "we studided in class") 2) Describe (I need a synonym) the kind of imagery used by ...

science please check my answer

A boy climbs to the roof of his house and drops a 0.40 kg rubber ball from the 7.5-meter peak of the house. How much energy was lost in the process? So I got 48 J is this correct? The bounce takes place over a 170 ms time interval. What is the impulse given to the ball during ...

please check(Social studies)

1.A---->B 2.D---->A 1.Which of he following is the greatest threat to the island's resources? (central american and the caribbean) i included that because i think that is the islands. A.biodiversity B.hurricanes C.deforestation D.ecotourism 2.What causes hurricanes to ...


Dear kind-hearted tutor, Can you check my solution on this question? Given f' (x) = {2x - 1, x≤1; x^2, x>1, find f’ (1) if exist. Since it asks to find f’ (1). I choose the first derivative because it satisfies the condition for 1. 2 x – 1 = 2 (1) – 1 = 1 What...

inforrmation tech/marketing

hi i just made this paper about information technology on business and marketing, im not really good at it so please check my work and maybe revise alittle thanks so much :) need it later hehe :D thanks As industry and commerce have increased their use of modern technology ...

Physics Help Please!!!! Urgent!!

1) A 10 kg lead brick rests on a wooden table. if a force of 46N is required to slide the brick across the table at a constant velocity, what is the coefficient of friction? 2) A horizontal force of 100N is applied to a 200 kg refrigerator sitting on a horizontal surface. the ...

8th Grade Algebra-Answer Check

Write each decimal as a fraction in lowest terms. 1. 0.111... Answer: 1/9 2. 0.02 Answer: 1/50 3. 0.7272... Answer: 8/11 4. 0.012012... Answer: 4/333 ?? 5. 0.66666.... Answer: 2/3 6. 0.396 (reapeating sign over all numbers) Answer: 44/111 ??? If I got any of these wrong, can ...

Check my work plz?

2. If mangle sign1 = 53°, what is mangle sign4? 53° 43° 37° 27° 3. If mangle sign1 = 50°, what is mangle sign5? 50° 40° 35° 25° 5. If mangle sign4 = 75°, then what is mangle sign8? 105° 75° 175° 25° 11. Name the triangles that are classified by angles. right, ...


Find the area of each regular polygon to the nearest tenth. Octagon with side length of 10 kilometers. Heres what I tried; but I don't know if im on the right track. Area=1/2 * Perimeter* Apothem Perimeter=base of octagon* number of sides Perimeter=10*8=80 km. SO A=40a (1/2 of...

women's studies

Hello, I need help with this question how has perception of certain work as feminine affected women't work both inside and outside the home? what excatly in this question is the professor looking for. thanks


There are two ways to find how much work is done voercoming friction. One method entails knowing the force overcoming friction. What other calculation could be done to find this wasted work?


How much work is it to push a box (mass 190 kg) up an incline (angle 16 degrees with the horizontal) that is 8.3 meters long, if the coefficient of kinetic friction between the box and the incline is 0.6?

General Question About School

My one teacher gave us six assignments two nights ago, in addition to two long term assignments. I have several other classes besides this one, and teachers generally give no more than two assignments at once. It is impossible to complete all of the work and to do a good job ...


The angle of elevation to the top of a very tall Building is found to be 15° from the ground at a distance of 1 mi from the base of the building. Using this information, find the height of the building


Given theta is in the standard position and is in the first quadrant , if the terminal side of the angle theta is parallel to the line on ,find the measure of theta in degrees.


Given theta is in the standard position and is in the first quadrant , if the terminal side of the angle theta is parallel to the line y=x+4 on ,find the measure of theta in degrees.


The angle of elevation to the top of a very tall Building is found to be 9° from the ground at a distance of 1 mi from the base of the building. Using this information, find the height of the building.


The angle of elevation to the top of a very tall Building is found to be 9° from the ground at a distance of 1 mi from the base of the building. Using this information, find the height of the building.

Maths trig

Use compound angle formulae to express Second harmonic i2= sin2t and the the third harmonic i3=sin3t in terms of the first harmonic sint



Block Colliding with a Spring

A moving 1.60 kg block collides with a horizontal spring whose spring constant is 480 N/m. The block compresses the spring a maximum distance of 12.50 cm from its rest position. The coefficient of kinetic friction between the block and the horizontal surface is 0.480. What is ...

algebra homework

please check my answers. Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer. ln sqrt x+6 = 9 i got {e^9-6} log (x + 4) = log (5x - 5) i got: 9/4 log (x + 30) - log 2 = log (3x + 2...

Math Help

Hello! Can someone please check and see if I did this right? Thanks! :) Directions: Find the exact solutions of the equation in the interval [0,2pi] cos2x+sinx=0 My answer: cos2x+sinx=cos^2x-sin^2x+sinx =1-sin^2x-sin^2x+sinx =-2sin^2x+sinx+1=0

physics/ conversions

Please check these problems. 1. 92 X 10^3 km ---> dm My answer: 9.2 X 10^8 dm 2. 5.52 X 10^8 g ---> kg My answer: 5.52 X 10^11 kg 3. 8.66 X 10^-9 m ---> mm My answer: 8.66 X 10^-12 mm 4. 1 um ---> m My answer: 1 X 10^-6 m Thanks. 1 and 4 are correct. No so for 2 ...

bio check my answers pretty please?

If purple flower color is dominant and red flower color recessive, how many phenotypes are possible in offspring of homozygous purple crossed with homozygous red? 1 2 3 4 I put 1.

Science - Check my answers please (6th grade)

earth and the moon are kept in their respective orbits due to the influence of ? a) inertia b) gravity c) both inertia and gravity d) neither inertia and gravity Is it c) both inertia and gravity?


The of the 45 numbers is 9.the average of the first 20 is 10 and the average of the last 24 is 8.find the 21st number. I have solved please check this. 9=x/45 ,so x=415. 10=x/20, x=200 and 8=x/24, x=192 So,415-(200+192)=23.answer Is this way and answer correct?

chemistry(check my answers please)

1)An increase in temperature ____________ the kinetic energy and average speed of the gas particles. A. decreases B. increases 2)As a result, the pressure on the walls of the container __________. A. decreases B. increases C. is not affected 1) i think its increase 2)i think ...


Could you please check these sentences? Thank you. 1) We're looking for a high school in which subjects such as biology or geography are taught in English so that in the future our students could carry out a project on a common theme in English. 2) I really hope your school is...


Which choice best describes the underlined words in this sentence? Red and a strange shade of green were the only colors available. Underlined is: Red _____ shade A- simple subject B- complete subject C- compound subject D- none of the above I think it is D.

English grammar.

Please check my answer! What is the capitalized phrase? TO SCORE ACCURATELY, bowlers must learn what the terms spare, strike, and split mean. Infinitive phrase**** Gerund phrase Adverb phrase none of the above I though that the capitalized phrase was an infinitive phrase.


1. Raise your left arm over your head. 2. Bend the left elbow and touch the middle of the upper back with your fingers. 3. Hold the left elbow with the right hand and pull back. 4. Hold for 10 to 30 seconds. ------------------ Are the directions all grammatical? Check them, ...


Imagine that you are a factory owner in eighteenth-century britain. Write a letter from an employer's point of view to a friend explaining why you think child labour is important to the economy and why it is undesirable to improve working conditions. Dear....... Child labour ...


please check my answers what are the SI units for momentum? kg*m/s which of the following is not involved in hitting a tennis ball? a. kinetic energy b. chemical potential energy c. gravitational potential energy d. elastic potential energy i picked B How much power is ...


Traveling to Fukuoka About ten years ago, I went to Fukuoka, Japan. I went there by ship. In Fukuoka, I visited a bookstore. It was important to buy English books there at that time. I always feel great twhen I look at this picture. (Would you check this writing? Correct ...

Algebra 2

Can someone please check my answers? Find the probability of drawing the given cards from a standard dick of 52 cards (a) with replacement and (b) without replacement. 1.A red card, then a black card a. 1/4 b. 13/51 2.A ten, then the ace of hearts a. 1/676 b. 1/663 3.A face ...


Please can someone name an artist who bases their art work theme on 'good and bad' or 'good and evil'. And an artist who uses colour to show emotions? Thankyou!


if the minimum cost is $608.50 how many barrels are extracted in order to meet the minimum cost. C=9x2-144x+608.50 this is a quadratic relation that 2 is a exponet. please show your work


Consider the function f(x)=xe^2x. Find the intervals on which f(x) is concave up and the intervals where it is concave down. Show a sign graph. Please show work in detail so I can follow for future reference. Thanks!


i put 4000.00 in savings. at end of 3 years the account earned 960.00 in simple interest at what simple interest rate did the account grow? please show me the work.


36. A clock gains 20 minutes each day. if the correct time is indicated now , in how many days will it again show the first correct time? Please show work/explain A.8 B.18 C.20 D.36 E.72


5.If inequalities are multiplied by positive number, the order remains the same. If x>y and z>0, then xz>yz. However, if inequalities are multiplied by negative numbers the order is reversed. If x>y and z<0 then xz<yz Please show work and explain.


Janelle has $20 and is saving $6 per week. April has $150 and is spending $4 per week. When will they both have have the same amount of money? please show work,


Here is a list of what you need to make 20 buns: - 100g butter - 150g flour - 200g sugar - 4 eggs Work out what you need to make 30 buns Please help. Thank you x


please check this: "Te banas por la noche o por la manana?" "Generlamente, yo _____ por la manana." a. me bano b. me bana c. te bano d. te banas i think A..?

bio check plz plz plz

in human (2n=46) mitosis result 2 cell with 23 chromoses and meosis result in (n=23) 4 cell with 46 chromoses... is this statment true ? please help me ....


The binding of alanine to tRNAala is mediated by the enzyme...... a. aminoacyle-tRAN SYNTHSE b. amino-tRAN SYNTHSE c. aminoacyle-tRAN synhetase d. amino-tRAN syntase I think the right answer is c, but not sure. Please check

w w w (dot) sunnyd (dot) com / # / ads i don't know does the two sunny D ads are bandwagon. i think they are because they're smiling like they like sunny d but i could be wrong. can u check to make sure is it bandwagon or not. i really appreciate it please help and thank you

To Sam: Penn Foster answers

Please do not post any more answers. Jiskha is not a repository for any exam answers. In addition, we have no idea what the questions are. If you want to post a couple of your exam questions along with your answers, we'll be glad to check them for you.


Write the algebraic expressions for the following. Please check and correct me if I'm wrong!! 1. 3 less than 5 times a number. Answer: 5x-3 2. 18 fewer than half a number. Answer: 1/2x-18 3. 3 more than the quotient of a number and 2. Answer: x/2+3 4. 4 times the difference of...

Social Studies (Check, Please!)

Why did Roosevelt win an unprecedented third term in office? A: Roosevelt won an unprecedented third term in office because the voters preferred to stick with a president they knew during this crisis period.


1. Three student share 5 peaches equally. How many peaches does each student get? Answer: 1 2/3 2. Six friends share 4 sandwiches equally. What fraction of a sandwich does each friend get? Answer: 2/3 Please check the above two answers. Thank you


Why do you save money? 1. I save money to buy a fancy bike. 2. I save money to buy the MS Office program. 3. I save money to buy a Samsung galaxy 5. 4. I save money to please my parents, for they like me to save money. 5. I save money to buy a new coat. 6. I save money to ...

Math please check my answer?

1)6x+11y=30 A) x-intercept= (-24,0);y intercept =(0,19) B)x-intercept=(0,1/5);y intercept=(11/30,0)<<<< C)x-intercept= (5,0);y intercept=(0,30/11) D)x-intercept= (24,0);y intercept=(0,19)


Which of the following expressions is true? A. 4^3 * 4^5 <4^12 B. 5^2 *5^4 =5^8 C. 5^2 *5^3 >5^5 *** D. 3^2 * 3^4 = 3^2 Which of the following expressions is true? A. 8^3 *8^2 <8^4 B. 4^4 * 4^4 =4^16 C. 3^3 * 3^3 >3^5 D. 2^2 * 2^6 <2^8 *** please check

TO Pallavi, CELINA, SWETA, katrina, nikita:

Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with this specialty online right now, be sure to go back into your textbook or use a good search engine...


Could you please check these sentences, please? Thank you. 1) Jane Austen appeared on the literary scene with her novel of manners based on the premise (synonym?) that there is (was?) a vital relationship between manners, social behavior and character. 2) They are usually set ...


This is for oxidation numbers. I need to know how to show my work. Ex: for NaClO, I have to find the oxidation number for Cl I showed my work. NaClO +1+x+(-2)=0 +1+x-2=0 x-2=-1 x=-1+2 x=+1 Therefore, the oxidation number for chlorine in NaClO is +1. Cl^- I know that the ...


In Figure 10-20, the magnitude of the force necessary to stretch a spring is plotted against the distance the spring is stretched. Figure 10-20 (a) Calculate the slope of the graph, k, and show that F = kd, where k = 25 N/m. (b) Find the amount of work done in stretching the ...

Trigonometry (Help and Check)

Evaluate (exact answers): a) sin^-1(cos30) Need help. What do I do? b) sin[(cos^-1((sqrt2)/(2)))+[(sin^-1((sqrt2)/(2)))] = sin(45+45) = sin90 = 1 Is this correct? c) cos(arctan5/7) = 7/(sqrt74) = (7sqrt74)/74 Is this correct? Please and Thank you!


this is the 40th year that man has landed on the moon. what progress has been attained since man landed on the moon? please please please please please please hElP


Distance between the goal posts, 19.5 feet, is the length of an arc on a circle of radius 50 yards. The kicker aims to kick the ball midway between the uprights. To score a field goal, what is the maximum number of degrees that the actual trajectory can deviate from the ...


Doing a slope project in Algebra. The instructions are to make a picture And label coordinates points.. You have to show a negative slope. A verticle slope, an undefined slope, And a positive slope. Here is my problem. I have to write An equation and show my work for the ...

Physics - Please Check Answers ASAP

Please check these over and see if any are incorrect? 1. The units of speed are: a) m/s ---> my answer b) m/s^2 and direction c) N d) m/s and direction 2. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd ---> my ...

Math - Domain of Composite function

Find the domain of the composite function f ₒ g . Please show all of your work. f(x) = √x; g(x) = 2x + 12


Write the slope-intercept equation for the line with slope -2/3 and y-intercept (0, 3) and graph the line. Please show all of your work. (


Allison measures 1 5/16 teaspoons of salt. She measures another 1 11/16 teaspoons of salt. How many tablespoons does she measure altogether? Please show work


Please help me with this home work Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC? Thank you

Calculus (Help)

Can you please help me with this problem? I asked earlier, but nobody was able to help me... I've been working on it for about an hour now. A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The revenue (in $ billions) ...

(Arts/Theater)(Stuck on what to do) Help please?

My improvisation teacher today told us to bring something with us to class where you can do a physical action with it. This action must be something you can do in barely 10 minutes and must have an actual ending to that action. We're doing this assignment tomorrow and I have ...


a bank has 2 checking plans. the anywhere plan charges 15 cents per check. accucheck costs 1.65 a mont, plus 4 cents per check. what # of checks will accucheck plan cost less than anywhere plan?


Acetylene gas c2h2 reaction cac2+2h2o. C2h2+Ca(oh)2 how many moles of cac2 needed to prepare 10.0 g c2h2 please show work and answer soon final question on big test review


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