Trig check my work please?
90,377 results, page 90

Information Literacy
Plain language searches do not work in Expanded Academic ASAP and may not work in other periodical databases because periodical databases 
English
1. Mark an O on the picture you like, and mark an X on the picture you don't like. 2. Mark O on the picture you like, and mark X on the picture you don't like. 3. Check a circle on the picture you like, and check an X on the picture you don't like. 4. Check circle on the ... 
grammar
Label each clause subordinate or independent. 1. If you visit the city of Chicago.subordinate 2.the Art Institute of Chicago is quite famous independent 3.While the Chicago White Sox play in Comiskey Park. subordinate 4.after the sears Tower was built subordinate 5.the Chicago... 
Calculus (Definite Integrals  Work)
Recall that work is defined to be force times distance, and that the weight (force) of a liquid is equal to its volume times its density. A fish tank has a rectangular base of width 2 feet and length 6 feet and sides of height 5 feet. If the tank is filled with water weighing ... 
check over
this is a book review for 9th grade honors english. does it look OK? are there any errors or anything? thanks The novel Dairy Queen by Catherine Murdock is the story of 15yearold D.J. Schwenk who lives in Red Bend Wisconsin. Her father gets injured and can no longer take ... 
trig
If sin(t) = 2/48 and cos(t) < 0 what is the value of cos(t) to the nearest thousandth? If sin(t) = 14/34 and cos(t) < 0, what is the value of tan(t) to the nearest thousandth? If tan(t) = 15/19 and sin(t) < 0, what is sin(t) to the nearest thousandth? If tan(t) = ... 
physics
I calculated parts a, b, c, but cannot figure out d. I tried combining all the forces and adding them but I am missing something? There is an 18 kg box on a 32degree incline. a HORIZONTAL force of 150 N is given to the box a) How much work is done by the horizontal force F = ... 
English (Please Check My Work)
(Can someone please check my work.) 1. Read the following passage found in From Emperor to Citizen. From my infancy I was accustomed to having people kowtow to me, particularly people over ten times my own age. They included old officials of the Ching Dynasty and the elders of... 
Maths
Just need a bit of help understanding what exactly i have to do here to work this out. Rearrage the following equation and hence state the gradient and the yintercept. 2y = 8x + 10 Do i just go: y = mx + c 2y = 8x + 10 y = (8x + 10) /2 y = 4x + 5 or do i have to rearrange it ... 
Math (Algebra/PreAlgebra)
Ms. Caswell deposits $450 into an account earning 8% interest per year. How much simple interest is earned after 4 years? Please explain.. I'm supposed to show work =] thank you! 
maths
how to work out partial fraction decomposition when given 1/x(x^2+1) and 2x1/(x+4)(x3) if you could give me an idea of the formula and what changes i need to make to the formula when the denominator changes that would help and please use idiot speak because the text books ... 
PhysicsHelp Please!!!
A 31.0 kg crate, initially at rest, slides down a ramp 2.6 m long and inlined 14 degrees with the horizontal. Using the workkinetic energy theorem and disregarding friction, find the velocity of th crate at the bottom of the ramp 
math
Use the five steps for problem solving to answer the following question. Please show all of your work. The volume of a rectangular box is limited to 1100 cu. in. If the height is 8 inches and the width is 10 inches how long can the box be? 
p
you visit the grand canyon on a particularly hot day and like all good tourists, you yell, Hello! Would you expect to hear the echo sooner or later than on a cooler day? Why? please show all work Thank you 
Algebra
Solve. Please show the algebraic inequality you used and show all of your work. Stephanie has the following scores on her algebra tests: 85, 92, and 71. What score must she earn on her fourth test in order to have an average of 80 or above? 
prealgebra
Solve the problem. Please show all of your work. A driveway rises 11 feet over a horizontal distance of 112 feet. Find the slope of the driveway. Round your answer to two decimal places. 
Physical Science
Two carts ( a's mass = 4.5 kg and b's mass = 1.5 kg) are held against a strong compressed string. The carts are released simultaneously, and B moves off to the right wqith a speed of 2.0 m/s. What is A's initial velocity? Please show work. 
PreCalculus
Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from PreCalc and I have homework to do and no explanation with themPlease help with this one Thank you 
geometry
A slide 4.1 meters long makes an angle of 35 degrees with the ground. To the nearest tenth of a meter how far above the ground is the top of the slide. Could someone please explain don't want just answer would like to know how to do the work. 
Math
Please explain how this is set up and how to work it. thanks A rectangular box is 4cm wide, 4cm tall, and 10cm long. What is the diameter of the smallest circular opening through which the box will fit? Round to the nearest tenth of a centimeter. 
math exam tommrow review
an amusment park recorded attendence of 825000 one year. the next year attendance was 975000. what was the percent increase in attendence. please show work/walk through process. 
Physics
A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 180 m horizontally before it strikes the ground. With what velocity did the ball leave the muzzle? Okay so this is my work for this problem. please help If I did something wrong. Thanks! 40=1/2(9.8... 
Help Needed for PreCalc
List all points on the graph of y=tanx on the interval [π/2,3π] that have a ycoordinate of 1/radical3 (Type ordered pair) Please teach me and show step by step work so i can learn. Thank you. 
work force
a force of 10 pounds is required to stretch a spring of 4 inches beyond it's natural length. assuming hooke's law applies, how much work is done in stretching the spring from its natural length to 6 inches beyond its natural length. what i did so far: F(x)=kx 10=k4 k=5/2 by ... 
physics
A block of weight w = 25.0 N sits on a frictionless inclined plane, which makes an angle = 25.0 with respect to the horizontal, as shown in the figure. A force of magnitude F= 10.6 N , applied parallel to the incline, is just sufficient to pull the block up the plane at ... 
can someone please check if im right : math
4(3x+7) is this the equivalent expression : 12x+28 Yes it is, that' using the distributive property. ok. how do i get the opposite of an expression example : 10t+21 The opposite? Do you mean the negative or additive inverse of the expression? If so then multiply it by 1. ... 
math plz help
The contents of a jar holds 4 red marbles, 7 blue marbles, and 5 green marbles from which you select marbles at random. What is the probability of selecting a red marble, replacing it, and then selecting a blue marble? Show your your work. Is it 4/16 for picking red then 7/16 ... 
Algebra
I need help with my daughters homework. I know a little bit of algebra but it has been about 15 years since I have done it. She switched schools recently and there was a learning gap in the schools. The problem is: give the demensions of rectangles with the perimeters of 70 ... 
physics
A 60 kg student does 60 push ups in 40s . With each push up , the student must lift 70% of the body mass a height of 40cm off the floor. Assuming two significant digits, calculate the following The work the student does against a force of gravity for each push up , assuming ... 
physics
2. You push a 2.0 Kg block against a horizontal spring (the spring constant is k=200 N/m) compressing it by 15 cm. Then you release the block and the spring sends it sliding across a tabletop. The block stops 75 cm from where you released it. (a) Find the work done by the ... 
Chem.
Can you also check this one, Please and thankyou! 23. Acetylsalicylic acid, commonly known as ASA, is the most widely used drug in the world. ASA has the chemical formula, C8H7O2COOH, and a Ka of 3.27 X 10 – 4 mol/L. What is the pH of a 10 mol/L ASA solution? The pH of the ... 
math
can you please check my answers? 12, 20, and 35 LCM =420 1/3+5/12+4+5=60 LCD 13/1511/20=19/60 What is the combined price for a 1/2in. sheet and a 5/8in. sheet? 1/2PRICE $17.88 5/8 PRICE$19.13 =37.01 1 1/15+3 3/102 4/5=1 17/30 5 1/3+2 1/4+3 1/2=11 1/12 The interest rate on ... 
please check my answers Ms Sue!!!
Using NOT when searching allows you to ______? search for subtraction math games eliminate unwanted topics to narrow down for search search for more than one topic narrow down your topic by combining words** 
chemistry check over work
Naphthalene (C10H8)is a solid aromatic compound often sold as mothballs.The complete combustion of this substance to yield CO2(g)and H2O(l)at 25 ْC yields 5154 kJ/mol. A. write balanced equation for the combustion of C10H8. C10H8+12O2>10CO2+4H2O ΔH =5154 B. ... 
math
trina works after school and on weekends. she always works three days each week. this week she worked 2 3/4 hours on monday, 3 3/5 hours on friday and 5 1/2 hours on saturday. next week she plans to work the same number of hours as this week, but will work for the same number ... 
Math
Trina works after school and on weekends. She always works three days each week. This week she worked 2 3/4 hrs on Monday. 3 3/5 hrs on Friday and 5 1/2 hrs on Saturday. Next week she plans to work the same number of hrs as this week but will work the same number of hrs each ... 
Math
Trina works after school and on weekends. she always works three days each week. this week she worked 2 3/4 hours on monday, 3 3/5 hours on friday and 5 1/2 hours on saturday. next week she plans to work the same number of hours as this week, but will work for the same number ... 
9th grade algebra
An Electrician Charges $120 After 2 Hours Of Work And $190 After 4 Hours Of Work. Write A Linear Model That Represents The Total Cost. 
Math
Hi guys! I am desperately in need of help. I really need to do good on this test but I am uncertain if I am doing this portion correctly. Can someone check my work? 11. Which inequality matches the graph? (The dot on the graph is at 1 and the arrow is pointing that way <... 
Algebra 2
Absolute Value Equations Will someone please check to see if I am doing this correct? 1.7x+2=10 x= (8/7) or (12/7) 2.3x5=1 I got "no solution" because "d" cannot be negative. 3.x^22x16=8 x= 6,4 or x=4,2 4.3x2=7 x= 3 or (5/3) 5.x^2+2x+1=4 I got "no solution... 
math
Could someone please check my work? I would really appreciate any help! here are the instructions ~~ Write an equation to represent these reallife situations in which the variable is on the left side of the equation with an operation and a number. Then solve the equation ... 
8th Grade AlgebraRadicals:Answer Check
Write each expression in simplest form. ( means square root 4. 3(11 + 4(11 Answer: 8(11 7. 7(2  2(8 Answer: 1(2 ?? 8. (48 + (75 Answer: 9(3 9.(3(10) Answer: 19 + 6ã10 10. (27/64 (Fractions) Answer: 3(3/8 ?? 11. 10(20  3(80 Answer: 10(5 12. (6/49 (Fractions) ... 
algebra
Given the linear equation y = 4x + 2, find the ycoordinates of the points (2, ), (1, ), and (3, ). Please show all of your work. Plot these points and graph the linear equation. 
college alg
find the equation of a line that is parallel to the line x=6 and contains the point (8,9) please show work, it also wants me to show the answer in an equation 
Human services
•2 examples of Learning theories that you would see in your work in the human services field. Please provide examples to support your statements 
Science
The current population in the United States is 318,968,000. The rate is .72. What will the population be in the United States in 10 years? Show work please. 
Physics
A container of gas is at a pressure of 1.3x10^5 Pa and a volume of 6.0m^3. How much work is done by the gas if it expands at constant pressure to twice its initial volume? Please help ;_; 
algebra
Megan factored the expression 72x^243x+6 as (9x3)(8x2). But when Jacob applied the FOIL principle and multiplied out (9x3)(8x2), he got72x^242x+6; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this better. Explain your ... 
Algebra
Megan factored the expression 72x^243x+6 as (9x3)(8x2). But when Jacob applied the FOIL principle and multiplied out (9x3)(8x2), he got72x^242x+6; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this better. Explain your ... 
Book recommendation?
Can you please recommend a book that is not of the fantasy/ fiction genre? I am trying to read a book outside of my comfort level, but I don't necessarily want to read something that I'll dislike. Do you know of any good books that could possibly work for me? Thanks. 
algebra
Given the following function, find: (a) vertex (b) axis of symmetry (c) intercepts, (d) domain (e) range (f) intervals where the function is increasing, (g) intervals where the function is decreasing Please show all of your work f(x)=7x^214x3 
Physics(Please help)
A gas, while expanding under isobaric conditions, does 660 J of work. The pressure of the gas is 1.40 x 105 Pa, and its initial volume is 1.70 x 103 m3. What is the final volume of the gas? Would I multiply the two values? 
chemistry
a sample of sodium24 with an activity of 12 mCi is used to study the rate of blood flow in the circulatory system. If sodium24 has a halflife of 15 h, what is the activity of the sodium after 2.5 days. please show work. 
math show work please
a bacteria colony doubles in 7hrs. How long does it tae the colony to triple Use N=No2^t/T. where No is the intial number of bacteria and T is the time in hours it take the colony to double. 
math
Determine the value of k in y=kx^25x+2 that will result in the intersection of the line y=3x+4 with the quadratic at a) two points (1 mark) b) one points (1 mark) c) no point (1 mark) Here's my work on it: kx^25x+2=3x+4 kx^22x2=0 a)b^24ac (2^24(1)(2) (48) (4) Can ... 
math
Two circles have a radii of 15 and 95. If the two external tangents to the circles intersect at 60 degrees, how far apart are the centers of the circles? Can someone please explain this to me, show the work and give me the answer. Thanks! 
math
Two circles have a radii of 15 and 95. If the two external tangents to the circles intersect at 60 degrees, how far apart are the centers of the circles? Can someone please explain this to me, show the work and give me the answer. Thanks! 
social studies
How did Muslim Turks influence turkey's development? Can someone give me a useful link NO ONE GIVE ME A THE ANSWER PLEASE TRYING TO DO MY OWN WORK!! mrs.Sue can you give me a link 
Math
Hey, I just need my answer checked. Simplify: y to the 4th power times y to the 3rd power y to the 1st power y to the 7th power ** y to the 12th power y to the 43rd power correct? If not, please show work for me. thanks. 
math
Given the linear equation y=3/2x+1, find the ycoordinates of the points (4), (2), and (6). Please show all of your work. Plot those points and graph the linear equation. 
math
Given the linear equation , find the ycoordinates of the points (6, ), (3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation. 
algebra
Given the linear equation y=3/5x4, find the ycoordinates of the points (5, ), (0, ), and (5, ). Please show all of your work. Plot those points and graph the linear equation. 
Orthocenter Question
Triangle ABC has vertices A(0,6), B(4,6) and C(1,3) Find the orthocenter of triangle ABC. Please show your work so that I can understand how to do this type of problem. Thank You I really appreciate your help ^_^ 
pre calculus
The graph of a onetoone function is shown below. Draw the graph of the inverse function, f^(1) , and submit it to the Dropbox. Please show your work 
US Government
What is a modern day example of separation of powers at work? All I can find is the US government but I need an example of it being used not it being describe. Please help. 
Algebra 2 (Quadratic Equations)
Is the point (3, 2) a solution of the intersection of the following set of quadratic equations: Y < X^2 X^2 + Y^2 < 16 I'm not sure how to actually work this problem out. Can anyone help me with this problem please. 
math hw
in 1997 there were 3344 amusement parks in the u.s.. this decreased by 148 in 2002 then grew by 47 by 2008 how many amusement parks and arcades were there in 2008? please show work 
MATH
LAST YEAR BOB'S AGE WAS A SQUARE NUMBER AND NEXT YEAR IT WILL BE A CUBE NUMBER. HOW OLD IS BOB NOW ? PLEASE EXPLAIN HOW YOU WORK IT OUT ,THANKS 
college algebra
form a polynomial f (x) with real coefficients having the given degree and zeros. degree 5; zeros 5; i; 6+i f(x)= a(?) Please show step by step work. 
Physics..
A container of gas is at a pressure of 1.3x10^5 Pa and a volume of 6.0m^3. How much work is done by the gas if it expands at constant pressure to twice its initial volume? Please help me I really don't know what to do,,, 
Trignometry
Can you please help me prove that ((1cosx)/(1+cosx))=(cscxcotx)^2? I can only do work on one side to prove that its end result is equal to the other side. 
precalculus
given x = 1,110 degrees Find sinx, cosx, tanx, cotx, secx, cscx, without using a calculator. Each result should be a fraction. No decimals involved... I don't even know where to begin, i missed a class, so please explain the work fully, Thanks kenny 
Physics
1. A 38kg object is traveling down the ramp and experiences a frictional force of 180N. Calculate the angle of incline and the friction coefficient between the two surfaces. Answers: μ(mu)=0.55 Θ=28.9 degrees But please show work and all equations/variables used. 
Writing:Quotes, Journal
Please may you check my answers for a quote that says> Knowledge speaks, Wisdom listens.< My answer to that quote is this > This quote indicates that people with knowledge will give aedvices to people, and people that listens to the individuals are wise to do... 
World Studies
Why was the Civil War important? Why was World WarII important? Please answer my questions! http://en.wikipedia.org/wiki/World_War_I http://en.wikipedia.org/wiki/World_War_II Please note that we are not here to do students' homework for them. Our tutors try to give you the ... 
Adverbial Phrase
Q1. My mother and I did some gardening,and _______ we relaxed on our front porch, admiring our handiwork. a. last b. afterwards c. first Ans: a. last Q2. I bring my pet snake to the vet for a checkup every ______. a. Sundays b. days c. week Ans: c. week Q3. It's a pity  I ... 
English
Thank you. Could you please check these sentences, please? Thank you. 1) Storm is a participant in the triathlon competition. She is going to reach (I don't know the correct verb) the finishing line. She is wearing a pinkish half zipup Tshirt with an orange Tshirt under it... 
English
Thank you really much. Here are some more sentences I'd like you to check. 1)Victorian refers to a set of moral values which were established during the reign of Queen Victoria. They were based on personal duty, hard work, respectability and charity. ) 2.Respectability was a ... 
Chemistry
I havent been at school for 8 days due to somthing wrong with my heart, but the teachers gave me work. I have no clue how to do them. I really need help please, There all due tomarrow. Determine the density of chlorine gas at 22C and 1.00 atm pressure. 
physics help!
When a gas follows path 123 on the PV diagram in a rectangle shape labeled 1234 cycle, 449 J of heat flows into the system and 179 J of work is done. What is the change in the internal energy of the system? * I keep coming up with 270 but this is incorrect. PLEASE HELP :) 
PHYSICS NEED HELP ASAP
A race car moving at 157km/hr decelerates at 7.00 m/s^2 to a speed of 75.0km/hr A) how long did this take? B) how many meters did the car travel during this deceleration? I attempted this problem many times and i don't seem to get the correct answer please show all work thank... 
Trig hep, please? Thank you!
1. Find the exact value of sin(195(degrees)) 2. If cot2(delta)=5/12 with 0(<or =)2(delta)pi, find cos(delta), sin(delta) , tan(delta). 3.find the exact value of sin2(x) if cos(x)= 4/5. (X is in quadrant 1) 4. Find the exact value of tan2(x) if sin(x)=5/13. ((X) in quadrant ... 
U.S. History
1.in what ways did the colonies and Britain benefit from triangular trade? 2.Name two places enslaved Africans were sent to and what types of crops were cultivated in each place for the second one i got West Indies:sugar, molasses and North America: rum, guns please help with ... 
Intermediate Algebra
Andrews factored expressions 6x63+9x^23x as 3x(2x^23x1). But when Melissa applied the distrubutive law and multiplied out 3x(2x623x1) she got 6x^3+9x^2+3x;thus Andrews solution does not appear to check. Why is that? Please help Andrews to understand this better, ... 
student supervision
what is another name for the illness known as pediculosis? (a)chicken pox (b)ringworm (c)strepthroat (d)head lice(my answer) who does most of the talking in a student conference? (a)student(my answer) (b)teacher (c)teacher aide (d)parent when your checking out books where ... 
Algebra 2 Linear Programming
I think this is an easy question but i just wanted make sure i have the right answer Could you check my work Some students make and sell jewelry in their spare time. Every week they have an avaiable 10,000 beads of various colors and sizes. They only have 20 hours to work on ... 
MORE LANGUAGE ARTS URGENT
Because she wants to go to medical school, Becky will need to take extra science classes, and she also wants to learn Latin. The sentence above is a A. compound sentence. B. complex sentence. C. compoundcomplex sentence. D. simple sentence. I think..... it's A.... or C I ... 
L.A
In which sentence is the meaning of the word inarticulate best expressed? A. he impressed the audience with his inarticulate expressions B. the young girl was exceptionally animated and inarticulate. C. she had many ideas to share, but she was an inarticulate speaker*** D. the... 
trig
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 
trig
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. 
trig
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. 
trig
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. 
trig
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 
TRIG
A WORKER PRESENT SALARY IS 24 PER ANNUM HIS ANUAL INCREMENT IS 10% OF HIS BASIC SALARY WAT WUD BE HIS ANNUAL SALARY AT THE BEGINNIN OF THE THIRD YEAR 
Math
Please check my answers I think they are right if not please tell me where I went wrong. Thanks The annual net income of general electric for the period 20072011 could be approximated by P(t) = 3t^2 24t +59 billion dollars (2<t<6) where t is time in years. a) compute p... 
check my work
1. Which of the following best exemplifies how Congress’s use of its weights and measures powers plays an important role in business transactions? (1 point) With uniform and consistent standards, producers are allowed to charge different prices for a pound of flour. With ... 
Physicstotally bewildered!!
I have a physics question. This is for extra credit which I really need to earn If I made a solar cell how would I know which material is best to use if given choices like aluminum with a work function of 4.1eV at a cost of 2.40Kg or platinum with a work function of 6.4 eV at... 
science
If a cement block that weighs 50 N must be raised to a height of 5 m, how much work must be done on the block? Work=weight*heightincreased 
math
Number problem. You work 7 hours (h) one day, 5 h the second day, and 6 h the third day. How long did you work, as a fraction of a 24h day? A18/24?