# Trig check my work please?

42,204 results, page 91

1. ### physics

which is false? Consider the following processes: I. Energy flows as heat from a hot object to a colder object II. Work is done on a system and an equivalent amount of energy is rejected as heat by the system III. Energy is absorbed as heat by a system and an equivalent amount...
2. ### Science

Mass is measured in grams, accelaration is measured in meters per second squared, and distance is measured in meters. Force is equal to mass times sccelation, and work is equal to force times distance. What is the unit of work?
3. ### Physics

Mass is measured in grams, acceleration is measured in meters per second squared, and distance is measured in meters. Force is equal to mass times accelaration, and work is equal to force times distance. What is the unit of work?
4. ### The Simplex Method

A student earns \$10 per hour for tutoring and \$7 per hour as a teacher's aide. To have enough free time for studies, he can work no more than 20 hours per week. The tutoring center requires that each tutor spends at least three hours per week tutoring, but no more than eight ...
5. ### Physics

In which of the situations listed below is energy being transferred as heat to the system in order for the system to do work? In which situation is work being done on the system in order for energy to be transferred from the system as heat? a. Two sticks are rubbed together to...
6. ### History

The Code Talkers were members of which Native American tribe? Apache Hopi Navajo******** Pueblo 2. Why was the Code Talkers' code so hard to break? It was based on a language that lacked an alphabet and was hard to learn. The people who developed it came mostly from the U.S. ...
7. ### French

I have to write a paragraph about driving and my car with a story about a driving experience. Unfortunately I forgot my book and I'm trying to come up with something on my own. My French isn't that good either. Could someone please help me with the words I don't understand and...
8. ### English

I tried to fix the run-on myself. I added a few other sentences I would like you to check. Thank you very much for the help. 1) Sleep is imagined as a bath after heavy work, in which the body has a chance to relax and recover from injury. 2) Sleep is then compared to a little ...
9. ### English **One Question**

In a sense we have come to our nation's capital to cash a check. When the architects of our republic wrote the magnificent words of the Constitution and the Declaration of Independence, they were signing a promissory note to which every American was to fall heir. This note was...
10. ### Precal

I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A + cos A) ) = 1 - sin A cos A note that all the trig terms are closed right after there A's example sin A cos A = sin (A) cos (A) I wrote it out like this 0 = - sin^6 A - cos^6 A + 2sin^3 A cos^3 A - 2sin^3 ...
11. ### trig/precalc

a plane flies 810 miles form Franklin to Centerville with a bearing of 75 degrees (clockwise from north). then it flies 648 miles from centerville to rosemont with a bearing of 32 degrees. find the straight-line distance and bearing from rosemont to franklin.
12. ### math

Aaron Grider buys a home for \$120500. After a 15% downpayment, the rest is financed at 8% interest for 9 years. What equal quarterly payments will be required to amortize this mortgage loan? What is the total amount of interest Aaron will pay on the loan? I subtracted the 15% ...
13. ### Math

Solve each system by graphing. Check your solution. 11) y=1/2 x + 7 y=3/2 x + 7 13) y=x - 4 y= - x Can someone help me understand help me figure it out these two question??
14. ### SS7R - HW Qs. Check (Q2)

who occupied the highest position in aztec society? ANSWER - Emperor right????
15. ### ALGERBRA 2!!!

Which of the following equations represent a line that has a slope of –5 and that passes through (2, –6)? Check all of the boxes that apply. a.y + 6 = –5(x – 2) b.y – 2 = –5(x + 6) c.y = –5x + 4 d.y = –5x – 28
16. ### SS7R - HW Qs. Check

Which geographic theme would be most concerned with international trade? answer - interaction right????
17. ### check

7. A certain enzyme will hydrolyze egg white but not starch. Which statement best explains this observation? A.
18. ### calculus

Find the indefinite integral and check the result by differentiation. ∫u²√(u^3+2) du
19. ### preventing injury

why is it important to get a medical check up prior to beginning a fitness program?

This is my last question. What is the domain of the function below? f(x)= e^(x-4)-2 I got all real numbers is that correct?
21. ### Math

which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52** D. 90, 45, 45 Check my answer
22. ### Math

How do you check the answer to a decimal multiplication problem plz explain your reasoning
23. ### check!!!!

1. At high temperatures, the rate of enzyme action decreases because the increased heat A.
24. ### Calculus

Solve the differential equation. t(dy/dt) + 2y= t^3 t>0, y(1)=0 I think I solved it properly, I'm just trying to check my final solution.
25. ### calculus

Find the indefinite integral and check the result by differentiation. ∫((t^3/3)+(1/4t²)dt
26. ### math 9

Identify the solution(s) of the system of equations, if any. 3x-2y=6 5x=5-25y A) (28/13, 3/13) B) (-3/17, 32/17) C) (32/17, -3/17) D) (32/9, 7/3) I think the answer is D but i did my check and still comes out incorrect

Please help. Will someone please check the answer to these problems. Thank you 1. -14 x-3 = 42 2. -24 -15 = 39 3. -48 divided by 12 = -4 4. -150 divied by -30 = -5 5. 3/4 + 5/12 = 1 1/6 6. 14 1/2 + 3 7/8 = 18 5/8
28. ### math

In how many different ways can you roll doubles in a monopoly game when you use two die? Please check my answer = 6
29. ### Language Arts

Is there a website that can help me check my answers for Sadlier-Oxford Vocabulary Workshop?
30. ### Science 7R - HW Check

most plants grow best in soil that contains large amounts of sand???? right??? or humus
31. ### geometry

Find the missing value to the nearest hundredth sin ___=18/27 56.31 48.19**** 41.81 33.69 Please check my answer
32. ### For MathMate or bobpursley - check this

Can somebody take a look at this? http://www.jiskha.com/display.cgi?id=1318555635

I have to write a word name for 8.032 Eight and thirty two thousandths. IS this correct? Looks good to me.
34. ### Alg 2

Solve the equation. Check for extraneous solutions. 10 ln 100x - 3 = 117 Thank you in advanced
35. ### MATH

please check my answers prime factorization of the number 117 =3x3x13 6/25 divided by 2/15=5/9

using the pythagorean theorum you have a right circular cone with a radius of 3 and height of 6 is this how you would figure this out c^2=3^2+6^2 c^2=9+36 c^2=45 c=6.7
37. ### English ( check my answer pls )

What does RENAISSANCE mean? Renewal *** Recollection Rebirth Reflection
38. ### Algebra II (check)

Assume that no denominator equals 0. (8y^3+27)/(2xy-10y+3x-15) I don't know how to solve this one.
39. ### Math

y=arccos(sin(x)), find dy/dx. I got -1, is this correct? When I tried to check on wolfram alpha I didn't get this right.

4.A mass of one kg of nickels has a monetary value in the US \$ of approximately: a. \$1 b. 10 cents c. \$10 d. \$1000 is it c?
41. ### check math

Find an euation of the line having the given slope and contaning the given point. m=4 over 5. (6,-7) i got y=4 over 5 - 28 over 5 for the answear

Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund
43. ### algebra 2

check my answer please find the number of zeros(x-intercepts) y=3k^3-6k^2-45k=k(3k+9)(k-5)= k(3k^2-15k+9k-45)=k(3k^2-6k-45) or should i do it 3k(k-5) (k+3)=3k(k^2+3k-5k-15)=3k(k^2-2k-15) which on is the right one please let me know.thanks

bobpursley did i do the math problem right if not could u do it for me .thanke
45. ### Math Check

find an equation of the line contaning the given pair of points. (2,4) and (6,5) is this correct i got y=1 over 4x + 2
46. ### algebra

Could someone check this problem for me? 7a^6/10v^4 multiplied by 100v^7/49a answer 10a^5v^3/7

Find the cross product of the unit vectors. j X k My answer was -i. Am I correct?

I had to convert 2500 millimeters to centimeters.I think it's 250,please check. Thanks!
49. ### French

Please check this sentence: Un sport la fille n'aime pas est nager.
50. ### Dr.Bob

could you check the next page where I replied to the post from yesterday pertaining to nylon calculations. Thanks C
51. ### Math

What is the lowest common denominator of the four fractions listed below? 20 7/10; 20 3/4; 18 9/10; 20 18/25 a. 2 b. 40 c. 50 d. 100 Answer-a Please check the above.
52. ### Intermediate Algebra

Factor by grouping, if possible, and check 5x3 + 4x2 − 10x – 8

54. ### Math

I need someone to check and go over my answers to make sure they are correct and if not could you go over them with my on why and how to solve correctly?? Thank you much appreciated.. Add. -4/5 + (9/20) = 5/25 1 + (-2) + 3 + (-4) = 10 5/3 + (-4/3) + 5/3 = 6/3
55. ### Math

I need someone to check and go over my answers to make sure they are correct and if not could you go over them with my on why and how to solve correctly?? Thank you much appreciated.. Add. -4/5 + (9/20) = 5/25 1 + (-2) + 3 + (-4) = 10 5/3 + (-4/3) + 5/3 = 6/3
56. ### Science 8R - HW Qs. Check

How long does it take the earth to rotate on its axis? my answer - 365 days right????
57. ### English

can you check my grammar and content? i need to submit this paper for an exam and want to get a good grade.
58. ### English

None of us could possible overlook the ___ error the waiter made in adding up our check gross?
59. ### German

Could someone please check this for me? It's supposed to be a presentation/speech, but I think I've made quite a lot of mistakes. Thanks for any help you can offer :)
60. ### Calculus Help and Check

Find dy/dx by implicit differentiation. x^5(x + y) = y^2(9x − y) this is what i've got so far but I don't think it is the right answer. y'= 9y^2-6x^5-5x^3y/x^5+9y^2-18xy
61. ### math- adding and subracting intergers

what is the value of -27 - 8? a. -35 b. -19 c. 19 d. 35 what the solution 40 + (-11)? a. -51 b. -29 c. 29 d. 51 what the value of -31 + 30? a. -61 b. -1 c. 1 d. 61 Can u check my answers? here they are: 1.c 2.d 3.1 if they r wrong plz tell me the right ones
62. ### Math 116 algebra please check

Solve by the substitution method 3x + 7y =15 x=16-6y What is the solution of the system (-2,3)

Can you help me with the sentence check 2 Chapter 17 and 18 in the improving vocabulary skill workbook?
64. ### Chemistry

why is it important for company manufacturing vinegar to regularly check the molarity of its product?
65. ### math

I am down to 5 out of 49 problems that I can't figure out. Help is very much appreciated. Thanks ! Factor check by multiplying 9x^6y^4 + 45x^4y3 +81 xy

identify the latin basein the word aggrandize a)ize- B)ag- C)grand- D)***aggra-
67. ### Science 8R - HW Qs. Check (#2)

How long does it take the earth to revolve around the sun? my answer - 365 days right????
68. ### Chemistry

Please check if I've balance the equation correctly. C8H18 + 25/2O2 --> 8CO2 + 9H2O
69. ### Math 116 algebra

solve using the multiplication principle. don't forget to check -5/6x = -7/8
70. ### organic chem

does 2,3 hexanediol have 2 stereocenters? I just wanna check that before i attempt to draw isomers
71. ### Math 116 algebra please check

Solve using the multiplication principle. -4x > 1/11 The solution is x > -1/44 Is this correct
72. ### Math

Check all that apply5/3 is the reference angle for: 2pi/3 15pi/3 7pi/3 19pi/3
73. ### alg 2 check?

1.)solve for n:-7n-21=-63 my answer: n=3 is this correct? please explain 2.)identify the x and y int for te equation 3x-4y=12.
74. ### Math 116 algebra please check

Solve by the elimination method 3r-7s=-28 7r+3s=70 What is the solution of the system r=7 and s=7
75. ### Math

Equation Models Question Symbolic Model 2x+3=(-5) Answer and check the solution please.
76. ### dressmaking and design

A client tries on a skirt you check the side seams they curve toward the back what does this indicate?
77. ### Math Algebra check

Which of the following quadratic equations has -4 and 3/4 as the solutions? a.)x^2+(13/4x)-3 b.)x^2+(30/7x)-(25/7) c.)x^2+(30/7x)+(25/7) d.)x^2-(13/4x)+3 I substituted the values and I have the answer as (a.)
78. ### Geography check

The Zambezi River runs through the easternmost part of this country...is it Zambia?
79. ### Math (check answer plz)

simplify 9C4! . . . . . . . . . . . . . . . . . . . . . . A. 126 . B. 15,120 . C. 5 . D. 3,024******
80. ### Algebra

Could someone please help me with this problem? Solve using the multiplication principle. Don't forget to check. -z=35. The solution is z=
81. ### Algebra

Solve using the multiplication principle. Don't forget to check. -x/2=8. Here is how I did the problem but I think it's wrong. (-2/x)-x/2=8(-2/x) x= -16. Could you please help? Thanks.
82. ### Chemistry

Arrange the following ions (Cu^2+. Zn^2+, Al^3+, and Mg^2+) in order of decreasing ability to be reduced. Could someone check my answer and see if it is right? Thanks Cu^2+ > Zn^2+ > Al ^3+ > Mg ^ 2+
83. ### Algebra

Use the distributive law to factor the following: Check by multiplying. 22x+11y+55z =
84. ### Of Mice and Men (CHECK!)

What is Lennie compared to throughout the novel? a. Dog b. Rabbit c. Mouse d. George A: a.
85. ### Math (CHECK)

Decide wheather the pair of lines is parrall, perpendicular or neither. what is the slope? 5x+4y=6 4x-5y=10 I GOT -5/4 AND 4/5 NEITHER.
86. ### calculus

Just want to check and see if I am setting this up right. Let y=f(x)=x^2-6x Find the average rate of change of y with respect to x in the interval from x=4 to x=5 (5^2-6*5)- (4^2-6*4)/ 5-4
87. ### MAth

I keep getting -28/19 for this problem, but it doesn't check with the solution in the back of the book. Help please.. solve the equation 7d-(1/2)(2d-4)=(-5/4)(d+4)
88. ### Math (Check problem

Add the fractions 1) 3/4 + 1/24 my answear: 19/24 i think the lcm is 24. 4X6=24 and 1X24=24
89. ### english

Please could you check my grammar. thanks 1.Other Color Print Price, depending on the image’s size
90. ### math

Hi! I am trying to solve an order of operation question would you please check my answer... 36+9/3*5 I soved it to equal 51 9/3=3 3*5=15 36+15=51 Thanks for your help!!
91. ### algebra

please check answers and change if wrong thank you. The absolute value of 3 times a number x is greater than 33. |3x| > 33 3x > 33 x > 11 what about -11
92. ### Math

2(4m+6)=8m+6 8m+12=8m+6 -6= -6 _________ 8m+6= 8m -8m. =-8m __________ 6=m I think in doing something wrong just not to sure when I check both sides give me different answer can someone explain please
93. ### Math

Question Marks: 3 Check whether it is Regular or Irregular singular point of the equation
94. ### math

I don't know if this answer is right so i am trying to check it here maybe if any could help The function f(x) = |x| - x 4 has a graph that is symmetric with respect to the y axis right?

96. ### Algebra 1 help, check please?

Okay, so the problem is.. x^2+6=13 Would I just subtract the 6 from the thirteen.. So. x^2=7 Divide by 2? I'm kinda stuck from that point
97. ### math

The function f(x)=2x+8/3x-7 is one to one. Find its inverse, and check your answer. f^-1(x)= I haven't one clue how to do this...help me pleaaaase someone!
98. ### math

when solving using multiplication principle -13x=273 how do i solve plus perform check