# Trig check my work please?

90,505 results, page 62

1. ### 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...
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 ...
3. ### 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 ...
4. ### 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 ...
5. ### 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 ...

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.
7. ### 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 ...

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 ...
9. ### 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 ...
10. ### 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...
11. ### 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 ...
12. ### 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
13. ### 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 ...
14. ### 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
15. ### 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
16. ### 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]
17. ### 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]
18. ### 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.
19. ### 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!
20. ### 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 ...
21. ### 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 ...
22. ### Art

Please help me I do connexus and this is the last quiz for the semester and I get it wrong then my grade will be a b and my dad will be mad. Individuals can use different criteria to analyze artwork. What would be an example of inappropriate criteria for analyzing this piece ...
23. ### 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
24. ### 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

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)
26. ### 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) ...
27. ### 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 ...
28. ### 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...
29. ### 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...
30. ### 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
31. ### 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 ...
32. ### 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
33. ### 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...
34. ### 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, ...
35. ### 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

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.
37. ### 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 (?) ...

Here are the vocab words we had to use. Pernicious, adversay, definance, fray, augmenting, posterity, vile, rapier, and mutiny. 1. The ships crew's _____ Against the captain failed. A. Definance 2. '' Because of your good work, I am ___ Your salary'', my boss said. A. ...
39. ### 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!
40. ### 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.
41. ### 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?
42. ### 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
43. ### 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
44. ### 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!!!
45. ### 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.
46. ### 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.
47. ### 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)
48. ### 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.

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

Brandon was paid \$132.50 commission for his work selling \$2650 of farm equipment. What was his commission rate? please explain clearly!!
51. ### 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
52. ### 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
53. ### 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?
54. ### 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.
55. ### English

In academic writing, introductions must include a thesis statement. 1.True 2.False I think it true, please recheck my work
56. ### 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?
57. ### Pre Alg (Check my work?)

1.) In which Quadrant is the point (x,y) located if x is negative and y is positive? II III IV (MY ANSWER) I 2.) Point A(5,-10) is reflected over the Y axis. Write the coordinates of A'. (-8,-10) (8,10) (8,-10) MY CHOICE (-8,10) 3.) At the half-tame show, a marching band ...
58. ### 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 ...
59. ### 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...
60. ### 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
61. ### 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?
62. ### 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 :(
63. ### 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.
64. ### 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.
65. ### 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
66. ### 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
67. ### 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.
68. ### math

461,592 x 308 _________ 3592736 + 13947760 ___________ 142,070,336 What is the first number that is incorrect in the work above? Please answer and explain.
69. ### Calculus

Find all values of x if any where the tangent line to the graph of the given equation is horizontal? y= x - sqrt (x) I am very confused would I work it like this? y = x - x^-1/2 then set x = 0? Please explain. thank you!
70. ### AP English Literature

I'm supposed to write an essay about how pleasure and disquietude creates meaning for the work, The Awakening. I don't really understand the question and I have NO idea where to start. Please, help.
71. ### Math

Simplify the expressions in each pair. (2 marks each) (Show your work) i) (x^2-x-2)/(x+1),g(x)=(x-2) My work on simplifying the functions: (x-1)(x+2)/(1) (x-1)(x+2) ii) (x^2-x-12)/(x+3), g(x)=(x^2-6x+8)/(x-2) My work on simplifying the functions: (x-2)(x+6)/(3) (x-4) Can you ...
72. ### Physical Science

Good afternoon. Can someone please check if my answers for these questions are correct? Thanks! 1.Explain in terms of force and distance how using a ramp to load boxes into a truck makes work easier. (Ans-) Less force is applied but the distance is longer. 2.A ball sitting on ...
73. ### math , correction

theres a diagram which in the diagram the points are: (-3,1),(0,3),(2,0), (-1,-2). And the directions say: use the concept of slope to determine if the given figure is a parallelogram or a rectangle: so this is what i did please can someone check it to see if i am correct. M...
74. ### trig

I am almost finished iwth my questionings:) Solve the given triginometric equation analytically sin4x - cos2x = 0 Priya
75. ### trig

Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help cos (4pi/3 – 3pi/4)
76. ### trig

for a set of data, the line best fit is given by the y-0.697x + 3.431 anr r^2 = .325. what is the correlation co efficient
77. ### trig

solve the following equation in the interval [0,2pi]. Give the answer as a multiple of pi. Do not use decimal numbers (sin(t))^2=3/4
78. ### trig

give 3 different coterminal angles in radians to: pie/3 i changed that to degree and got 60 degress, but now i'm stuck...i don't know what to do
79. ### Algebra 2/Trig

Solving Multivariable Linear Systems: 3x-5y+5z = 1 5x-2y+3z = 0 7x-y+z = 5 I am confused on how to solve this. I'm supposed to use the Row-Echelon form. Thanks.
80. ### trig

Point P is located at the intersection of a circle with a radius of r and the terminal side of an angle q. Find the coordinates of p to the nearest hundreth. q = -60° , r = 7
81. ### Trig

We started a new lesson on Monday on identities. Our test is tommorrow. I have no idea of what I'm doing! Can somebody help me study?
82. ### trig

The function d=-8cos2t describes a simple harmonic motion, where d is the distance(in meters) an object travel in t seconds. What is the frequency?
83. ### trig

find, to the nearest minute, the solution set of 1- sin x = 3 cos^2 x over the domain 0 degrees to 360 degres
84. ### trig

find all values of x on interval 0-2pi. (sin4x)(cos7x)=(cos4x)(sin7x) identities should be used.
85. ### trig

Given a right triangle with legs 8 and 5, find the measure of the two acute angles. (Round to the nearest hundredth
86. ### trig

Find the angle between 0 and 2pi that is coterminal with negative one half pi; expressing the answer in radians in terms of pi.
87. ### trig

Ok, so im brand new at trigonometry. If i have a right triangle with an acute angle of 30° an opposite side of 4 and a hypotenuse of x how do ii find x
88. ### trig

I get that we have to put it into radical form, but I don't understand the process. Can someone walk me through it and explain it? arccos(-1/2)
89. ### trig

i can not figure out how to write the complex number in rectangular form the question is 4(cos 5Pie/6 + i sin 5 pie/6)
90. ### trig

find all values of theta in the interval (0,360) that have the given value: sintheta= √2 ______ 2
91. ### trig

use a calculator to find the decimal approx. (roud 8decimal places) : sec28°6' does it equal 1.13362379 or 87.99624264 ???
92. ### Trigonometry

Solve. 2sin(2ƒÆ) + ã3 = 0 interval [0, 2ƒÎ) How do I start this? I feel like maybe Trig Identities, but I'm not really sure.
93. ### trig

write an equation expressing: cos37cos99 as a sum Review question. I know the formula. Having trouble with working it out.

state the amplitude, period, and phase shift of the function -0.4 sin (10x+pie/2)
95. ### trig/math

If A is between 270degrees and 360degrees, and cos A=12/13, find the exact value of: sin2a, cos2a, sin1/2a, cos1/2a
96. ### trig

an isosceles triangle has a perimeter of 60in. the congruent sides measure (2x+9)cm. the length of the third side is 3xcm. what is the value of X?
97. ### trig

Find sin t,cos t and tan t when the terminal side of an angle of t radians passes through ( -3/5 , -4/5) on the unit circle.
98. ### trig

What would be the force required to push a 100-pound object along a ramp that is inclined 10 degrees with the horizontal?
99. ### Trig

simplify the expression to a single term: (1-2Sin^2 X)^2 + 4sin^2 X Cos^2 X I'm not sure how to start this or which identities to use. Any suggestions?
100. ### trig

I don't understand what to do after i convert everything into cos and sin. Verify: cosx(tanx+cotx)=cscx