Trig check my work please?

87,713 results, page 60

Physic

A 10 kg box starts from rest and is then pulled horizontally 27 meters across the ground by a rope. The rope has a force of 100N applied to it and forms an angle of 50 degree to the ground. The coefficient of kinetic friction is 0.50 for this surface. (a)How much work is done ...

Physic

A 10 kg box starts from rest and is then pulled horizontally 27 meters across the ground by a rope. The rope has a force of 100N applied to it and forms an angle of 50 degree to the ground. The coefficient of kinetic friction is 0.50 for this surface. (a)How much work is done ...

Chemistry-Dr. Bob

Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings), calculate: a) the PV work...

Math Double Check Me Please

1.what is the slant height for the given pyramid to the nearest whole unit. pyramid base= 12 cm height=8 cm A.5 cm B.9 cm ***** C.14 cm D.10 cm What is the length of the diagonal for the given rectangular prism to the nearest whole unit? the unit is the length=6, width=5, ...

Essay Revisions

I've made the suggest revisions, as well as change and added somethings. Could you please check if I have fragments, pronoun agreements, run ons, and if I restated my thesis in my conclusion. Thanks! How Much Is Too Much?

English

pLease check my answer Which sentence has a subject complement 1.The nurse felt my pulse 2.I felt much better. 3. The day ended with many surprises. 4. We can't leave without seeing her. I pick answer #1

medical info mangement

please check my answer thanks True or False If John Dale is responsible for accounting services for Weston Hospital he's the hospital's chief fisnical officer. I picked True

Dog Hunting Training

Please check my answer thanks :) Dogs must meet these qualifications to participate in AKC performace events ? My answer Be at least six months old and registered with the AKC

history

please check this: The Spanish established outposts in the Southeast to a. trade with Native Americans b. encourage Spanish immigration c. search for prevsious metals d. protect its trade routes. i thnk the answe is A

early childhood literacy

Are dot-to-dot pictures,tracing, cutting and gluing all activities that develope writing skills. i am not show about Gluing as one can someone please check it for me

Physics-Please help with formula

If I have an electric field around a charged object that is 2.95 x 10^6 N/C at a distance of 0.400m, how would I find the charge on the object? If you could just direct me with a formula-then I'll do it and check back with my answer-Thank you for you help

grammar

Can you check this sentence, please? I know a little about helping injured and sick animals from volunteering at the social shelter. I look forward to learning more in school about how to treat animals.

Algebra II-please check

Write the polynomial in simplest form with roots 4, 5i and -5i(multiply it out so no parentheses remain (x-4)(x+5i)(x-5i)(NOT SURE ABOUT THIS ONE) (x-4)(x^2-25i^22) (x-4)(x^2+25) x^3+25x-4x^2-100 x^3-4x^2+25x-100 Is this correct

Chemistry(Please check)

I ahve to find the concentration of product, (Fe(SCN)^2+) at equilibrium. We have to use the equation k=A/C I have the value for k and A so my equation is 7917.6 = 0.453/C = 3586.67M Did I do the math correctly?

Georgia State History

Officials whose jobs are not provided for in the constitution but are required by law are known as__. A. constitutional officers B. secretaries of state C. deputies ** D statutory officials please check my answer :)

maths

twelve men take 6 hours to finish a piece of work. after the 12 men have worked for 1 hour, the contractor decides to call in 8 more men so that the work can be completed earlier. how many more hours would 20 men take to compete the remaining work?

Math- Double check

Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, -650, 42.5 A) 0.093 and 42.5 B) 35 and -650 C) 2/3 D) -650 Answer: A Determine ...

physics 1

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 ...

algebra

could someone check my answers to these few questions? "What is the equation of the line, in slope-intercept form, that goes through the point (-1, -8) with m = 3 ?" here's my work: y + 8 = -3(x + 1) [i put the values into the equation.] y = -3x + 5 [i multiplied -3 by 1 and ...

Phsyics Plz Help

How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical energy in the ...

English

Can you please help me check these sentences. Thank you for your help 1)Robotic planes are useful because they can fit in small places where humans cannot enter and scan areas to find possible survivors. 2) They are quick and small so they can manage to work in areas with ...

Trig #1

i don't know how to search for this question can somebody help plzz question is : List as many jobs as you that use trigonometry. net find out what specific training is necessary to be hired for eac job. This is to include the name of the major, the name of the degrees earned...

Math, Trig/Pre Calc

You have been asked to build a ramp for Dan’s Daredevil Motorcycle Jump. The dimensions you are given are indicated below. Find the height and incline in feet. Round to the nearest foot One side is 200 ft.The angle between the hypotenuse and the side of 200 ft is 13 degrees...

Algebra

Solve. x-3/15=1/3 I get 8 as an answer. Is this correct? If you substitute 8 for x, you'll find that 8 is not the correct answer. x - 3/15 = 1/3 x = 3/15 + 1/3 x = 3/15 + 5/15 x = ______ Please post your answer and a teacher will be glad to check it. Does x=8/15?

Please check my Algebra

Determine the maximum possible number of turning points for the graph of the function. f(x) = 8x^3 - 3x^2 + -8x - 22 -I got 2 f(x) = x^7 + 3x^8 -I got 7 g(x) = - x + 2 I got 0 How do I graph f(x) = 4x - x^3 - x^5?

Math, please check answer

Find the slope of the line through the given points. ( 8, -2) and ( 8, -1) Since 8-8 is 0 would the slope be 0 or would there be no slope?

English

Which sentence is correct? 1) Check the manufacturing dates of the products. or 2) Check the manufacture dates of the products.

Science URGENT

Is there any website or any way I can get the science probe 10 check your understanding answers cause I want to check my answers?

Algebra2

can somenone please check my answer and if i'm doing it right.... The sum of a number and 17 more than twice the same number is 101. N+17(2)=101 N=67? N + (2N +17)= 101 3N = 84 Take it from there THANK YOU! =)

Algebra; check please?

A television has a diagonal of 10 inches and a width of 8 inches. what is it's height? i think the answer is nine inches, am I correct? If I am not how do I find the answer?

Physics(please check)

Solve for Q Q= sin^-1 1.5/9.8 I got 8.80 Is this correct? I have a TI-30 calculator and to do the sin^-1 I pushed the 2nd button and then sin. I am not sure if this is correct.

Math - check answer

Given v = 4t - 9t3, find the acceleration when t = 1 s. acceleration in m/s2 = My Answer V'=4-27t2 V"= -54t V"(1)= -54 acceleration in m/s2 = positive 54 Can you please confirm this is correct???? Thanks

Algebra 2

I am trying to find the inverse of these functions. Can someone please check my answers and tell me how to do number 2? 1. y=7^x y=log base 7 x 2. y=log base 1/2 x 3. y=2^(x)-3 y=2^(x+3) 4.y=6+log x

English

I urgently need you to check these sentences. Whad do you think I should do? 1) I graduated with honours in modern languages and I know how important memory is in learning a foreign language. 2) The headmaster of the school I'm teaching at has warned me not to check and ...

Physics

a 55 kg skateboarder starts out with a speed of 1.8 m/s. he does +80 J of work on himself by pushing with his feet against the ground. in addition, the friction does -265 J of work on him. in both cases, the forces doing the work are nonconservative. the final speed of the ...

Math

Please check my work, thank you If $7,800 is deposited into an account paying 6% interest compounded annually (at the end of each year), how much money is in the account after 2 years? A=$8,268.00 Rewrite the statement, using percent notation. Out of every 100 eligible people...

computer forensics

1.Check the operating system’s swap file. Using the WinHex to go through the swap file, have you found any interesting results? 2.Design a plan to check the ram slack and drive slack on your computer with the tool WinHex. Report your findings. 3. Use WinHex to check ...

English

Could you please check these two sentences, please? Thank you. 1) When I set the table, I lay on the the table cloth, the cutlery, the napkins, the soup and dinner plates, the water and wine bottles, the oil and vinegar bottles, the pepper shaker and the salt cellar. (What ...

Mathematical methods

Following completion of your weekly readings, complete the exercises in the “Projects” section on page 397 of Mathematics in Our World. You should be concise in your reasoning. For Project #1, work only equations (a) and (c), but complete all 6 steps (a-f) as shown in the ...

algebra someone please help i cant get it

he is missing 3 cents to buy an ice cream bar. she is missing 5 cents to buy the same ice cream bar. they combine their money but they are still 1 cent short. how much is the ice cream bar? Check your last post. Please don't double post.

Science - Please Check my Answer 2

My problem: One runner in a relay race has a 1.50 s lead and is running at a constant speed of 3.25 m/s. The runner has 30.0 m to run before reaching the end of the track. A second runner moves in the same direction as the leader. What constant speed must the second runner ...

Physic (concepts-please check my thoughts)

A net torque applied to a rigid object always tends to produce? a)translational acceleration b) rotational equilibrium c) rotational acceleration d) rotational inertia e) none of these work (c) Torque produces torsion and tends to produce rotation. The net torque acting on a ...

Math

If we multiply "a" and "b",when will: a. the product be larger than both "a" and "b"? b. the Product be less than "a"? c. the product be less than "b"? d. the product be less than"a" and "b"? e. the product be greater than "a"? f. the product be greater than "b"? g. the ...

Science physics

mandy drops a 2.0kg book from a height of 4.5m. how much work has gravity done on the book? M=2.0kg D= 4.5m Not actually sure what to do next. Because none of the formulas work. I need work but I don't even know the force. To find force I need mass which I have but I don't ...

physics

e4) a rope applies a horizontal force of 190 N to pull a crate a distance of 2 m across the floor. A frictional force of 50N opposes this motion a) what is the work done by the force applied by the rope? b)what is the work done by the frictional force? c)what is the total work...

Physics

A rope applies a horizontal force of 208 N to pull a crate a distance of 1.91 m across the floor. A frictional force of 154 N opposes this motion. (a) What is the work done by the force applied by the rope? (b) What is the work done by the frictional force? What is the total ...

Math

Please help to convert the following(Show work please!!! 1.62500 Grams to kilograms 62500 Grams to Pounds 62500 Grams to Ounces 2.44500 Centimeters to meters 44500 Centimeters to yards 44500 Centimeters to Inches

Math - Calculus

If 75100 dollars is deposited in an account for 13 years at 5.35 percent compounded continuously , find the average value of the account during the 13 years period. The average value in the account is ? ** im alittle confused in how to find the average value please help and ...

Math

Answer check please: Consider the circle (x-3)^2 + (y+1)^2 = 169. The point (15,4) is on the circle. Find an equation for the line that is tangent to the circle at this point. I got y= 5/12x-9/4.

Math - check answer

Given v = 2t3 + 87t2 - 636, determine the acceleration for t= 1 s. acceleration in m/s2 = My Answer v'= 6t^2+174t V"= 12t V"(1) = 12 acceleration in m/s2 = 12 Can you please confirm this is correct.. Thanks!

Physics

Please help. Thanks. 1. Volt meter measures the potential between two large parallel plates to be 60 volts. The plates are 3cm apart. Find the magnitude of the electric field between them. 2. What work is done when 5C is raised potential by 12.45 volts? * I really don't have ...

Physics

Please help. Thanks. 1. Volt meter measures the potential between two large parallel plates to be 60 volts. The plates are 3cm apart. Find the magnitude of the electric field between them. 2. What work is done when 5C is raised potential by 12.45 volts? * I really don't have ...

Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5

Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5

calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x2 − 4x + 1 and y = −x2 + 4x − 5 for x in [0, 3]

Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x^2 − 4x + 1 and y = −x^2 + 4x − 5 for x in [0, 3]

Pre-Calculus

Please check: 1.Find polar equation of x^2 + y^2 = 10y r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y

Math - check answer

Given s = 4t + 11t3, find the velocity when t = 1 s. velocity in m/s = My Answer: S'=4+33t^2 =4+33 =4+33 =37 velocity in m/s = 37 Can you please confirm this is correct. Thank you

E.L.A. PLEASE CHECK!

Write S or F to identify each group of words as a sentence or a sentence fragment. Wish on that star. I think it is a sentence fragment (f)

English

Shall I replace the word counter with section? For example, "sweets section, pasta section"? Could you please check these sentences? 1) When I go to the supermarket, I get a trolley or a plastic basket first and then I go to the meat and fish section(/to the deli section). 2) ...

trig

The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle of elevation of the top of the bridge is 62.6 degrees. From a point 20m closer to the bridge, the angle of elevation of the top of the bridge is 72.8 ...

Physical Science-Can someone check my answers?

1) The kinetic energy of an object depends on which of the following? A. the object’s mass and direction B. the object’s speed and mass---------- C. the object’s work and direction D. the object’s speed and work 2) In the following situations, which one does not have ...

psy

Please help, very lost Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula for transforming a raw...

psycholgy

Please help, very lost Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula for transforming a raw...

English

Can you please check these sentences. Thank you very much for all! 1) What is your school day like? Can you drive a car? How old must you be to drive a car in America with you parents'supervision? 2) Are there vending machines at your school where you can get your drinks (?) ...

law

please check my answer thanks :) which is true of quashing 1.the pt has signed an authorization for relase 2. medical records have been subpoenaed 3. a malpractice suit has benn filed 3. a breach nof confidentiality has occurred. i said 2 none of the rally make sense to me

U.S. History

please check this 1. The Great Awakening is best described as a. the conversion of thousands of Native Americans to Chrisitanity b. the shift of many New Englanders to the Quaker faith c. a total rejection of Puritian ideas d. a series of religious revivals in the British ...

history

Rachel Carson's Silent Spring focused national attention on the a. harmful effect of chemical pesticides b. health hazards caused by air pollution c. proper disposal of toxic wastes d. problems of nuclear power plants A please check this

English

Can you check these sentences for me, please? 1) He is carried to his new house. 2)He is impressed by them because they are more rational than he is.(than him?) 3)On (and not in) his last voyage he recognizes his similiarity with the animals. For this reason, he decided to get...

English

Could you please check these other sentences? Thank you. 2)Then he describes his family and friends as ...... both in shape and disposition (rephrase) though more civilized and endowed with the gift of speech. These qualities, however, do not make them any better. Moreover, ...

geography

Thank you for my last post! Can you check my last two answers please? 1. What is the capital of the country whose western border is Haiti? Santo Domingo, Dominican Republic 2. What three countries have larger land areas than the United States? Russia, Canada, and China

PLEASE CHECK! ELA

Which word group is a complete sentence? A- Almost all the swimmers following the rules. B- Never had any interesting activities. C- After Chris finished chemistry experiment. D- Only two of the chairs matched the table. My guess is D.

College Algebra

Please help me ASAP!!!!!!!!!!!! I did the work on most of these problems but I am still confused please help. 19. Comparing Investments Russ McClelland, who is self-employed, wants to invest $60,000 in a pension plan. One investment offers 7% compounded quarterly. Another ...

find the unit rate

1. 7 apples for $1.00 2. $20 per dozen tarts Please answer quickly I work hard and need the answer by tommorow!

math

I am already weak at math, but when they throw in letters it throws me off and confuses me more... can someone please show me how to work this problem? Ax+Hy=L,for x.

math

find the slope of the line, if it exists: coordinates are (-1,-5), (1,-5) I am doing something wrong because I either get 5 or if I work it another way I get 0 m= either 5 or 0 Which one is it if any? x1-x2/y1-y2 Can you please help me through this?

english

i am crying because i need a story please give me a story and it has to be 2 pages long but the site that mrs.sue or who ever gave me it did not work

physics

How does a wavelength of the fourth harmonic on a rope with both ends fixed compare with that of the second harmonic? Please show all work Thank you

US HISTORY

Could someone help me conclude an essay on prohibition. I am writing: even though there were laws and movements for prohibition, it actually didn't work. PLEASE HELPPP!!!

Physics

I don't get this problem! Please show work. Thanks!! The de Broglie wavelength of a proton in a particle accelerator is 3.60 x 10^-14 m. Determine the kinetic energy (in joules) of the proton.

physics help!

I don't get this problem! Please show work. Thanks!! The de Broglie wavelength of a proton in a particle accelerator is 3.60 x 10^-14 m. Determine the kinetic energy (in joules) of the proton.

Biology

4) If a person with blood type AB marries someone with type O, what would be the possible genotypes and phenotypes of their children? (show work if you can please)

chemistry

25mL of tartaric acid solution is titrated against 31mL of NH4OH. What is the normality of the NH4OH? Please explain how to work this problem.

college algebra, Please help!!

find the line with the given properties. Parellel to the line 7x-y= -7; containing rhe point (0,0) plz show work

Math

Brandon was paid $132.50 commission for his work selling $2650 of farm equipment. What was his commission rate? please explain clearly!!

Physic II

A small glass bead that has been charged to 4.4 nC? What is the strength of the electric field 2.0 cm from the center of the bead? Please show all work

Physic

A small glass bead that has been charged to 4.4 nC? What is the strength of the electric field 2.0 cm from the center of the bead? Please show all work

Physics

PLEASE HELP. a 1000 kg car is coasting down the highway at 20 m/s. How much work do friction and air resistance do in bringing the car to rest?

Algebra (1)

Hello! I'm currently stuck on a ratio problem and do not understand how to work it. The question is: y+2 over y+7 = ll over 31. Please explain the answer and how to find it.

English

In academic writing, introductions must include a thesis statement. 1.True 2.False I think it true, please recheck my work

Maths

I have a wheel 40 cm diameter that has 200 N m of torque, assuming there is no slippage what would the force of the wheel on the road? How do I work it out please?

MATH (to Reiny)

I tried to simplify it with the second fraction by multiplying the top and bottom by "r" and i didn't work. Well at least I don't understand how to get there. Can you please just explain how... n!r/(n-r-1)!(r-1)!r goes to n!r/(n-r+1)!r! I get one put of it, that r x (r-1)! = r...

math

A computer company gives a discount of 10% on a new piece of software. If it makes a profit of 4%, what percent does the marked proce exceed the cost price....please show work

physics

Please show work to how you find this answer. A baseball is thrown with an initial velocity of 30 m/s at an angle of 45 degrees. Neglecting air resistance, how far away will the ball land?

math

a sphere has a volume of 500/3 pi cubic centimeters. What is the total surface area, in sqaure cntimeters, of the square? A. 25 pi B. 40 pi C. 100 pi D. 400 pi Please show your work. im very confused :(

statistics

The following data lists the average monthly snowfall for January in 15 cities around the US: 26 6 5 45 44 10 39 33 15 33 11 36 36 4 32 Find the mean, variance, and standard deviation. Please show all of your work.

statistics

The following data lists the average monthly snowfall for January in 15 cities around the US: 20 9 35 46 44 17 32 25 30 14 28 14 9 15 20 Find the mean, variance, and standard deviation. Please show all of your work.

Chemistry

In a chemical analysis, 3.40g of silver nitrate in solution reacted with excess sodium chloride to produce 2.81g of precipitate. What is the percent yield? Please show work. Thanks

Chemistry

In a chemical analysis, 3.40g of silver nitrate in solution reacted with excess sodium chloride to produce 2.81g of precipitate. What is the percent yield? Please show work. Thanks

statistics

The following data lists the average monthly snowfall for January in 15 cities around the US: 38 0 47 32 42 31 40 47 35 43 36 17 36 8 1 Find the mean, variance, and standard deviation. Please show all of your work.

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