Trig check my work please?

42,204 results, page 78

1. English

I need help for final check: chapter 16
2. math 050

Solve and check 2/3=x/42
3. math

Solve,graph,and check 12<6x+b
4. Math please

Hi nobody helped me can you check on what I asked? Thank us
5. equation

Solve algebraically and check y = x^2 - 3 x + y = -1
6. Algebra pls check

Is this right ? -2(w-30) =-6w -2w -60 = -6 w +2w =+2w -60 = -4w _____________ -4 = -4 15 = w
7. algebra

Solve algebraically and check x^2 + 4y^2 = 4 x = 2y - 2
8. college algebra

3/t-3=5/t+4 3(t+4)(t-3)(5) check this problem
9. Algebra 1

solve for x and check you result -4(2x-3)=-8+5
10. ALGebra

Can you check 2x + 3 (x-2) -3 (x-6) I got 2x+3x-6 -3x+18 2x+3x-3x= 2x -6+18 =12 Final answer : 2x+ 12
11. math

Please check problem 3y - 2 > 12 - 5 y answer y > 7/4
12. Math

Please check this problem -5x > 30 answer x < -6
13. math

Please check problem 4 x + 7 < 8y - 1 answer x > 2
14. math

please check this problem 2x + 5 < 7 answer x < 1
15. Math 114

Solve and check x+y=12;y=3x x+y=12;y=3x x+3x=12 4x=12 4x/4=12/4 x=3 y=3x y=(3)(3) y=9
16. Mrs.Sue

Can u check my last question 16.
17. statistics

Why should we check if your data is binomial?
18. precalcus will someone check my homework

f(3)=-3/8 and (f-2)=-12 MY SOLUTION F(-2)=ab^-2 = -12 F( 3)=ab^ 3 = -3/8 b^5 = 12 * 3/8 = 32 b=2 12 = a(2)^2 12 = 4a a =3 f(x)=3(2)^x
19. To MS SUE

Can u please check my math answers
20. math check

23/17 < 5/3 Found LCD 69/51 85/51
21. math check

23/17 < 5/3 Found LCD 69/51 85/51
22. algebra: please check

p/3-3p/8=3 p-3p/8=9 p-3p=72 -316 I am not sure if I did this right. Just guessing.
23. math

3L=7 what would L be? i was multipling - 7*5= 35 then divide by 3..but that 5 does not check right
24. math

Check my Answer Ms.Sue
25. Math 222

I need someone to check this to see if I am doing it correctly. k^3+k k^2+k-42 k(k^2+1) (k+7)(k+6) k=-7 k=6 (-0,-7)(-7,6) (6,0)
26. math-please check

is the solution to 2x^2-4x+5... 1(+/-)((sqrt6)/2)i ??
27. tenant relations

check my answer 1-b 2- a 3- b 4- b 5- a
28. algebra addistion

can you check my answers |-13| - |9| i got 4 |15| - |-3| i got 12 |-12| + |-3| i got : 15 |-31| + |-12| i got: 43 +9 + (+7) i got: 16 -21 18 + 21 i got : 39 -5 +(-13) i got: 7 -18 + (-3) i got: -21 -2 + (+17) i got: 15 15 + (-9) i got: 6 5 + 21 i got 26 -10 + 3 i got: -7
29. Math

Pls check - Solve 9^2-7 (16÷2^3) 9^2-7 (16÷8) 81-7 (2) 81-14 67
30. Math check

subtract: 3+5i-(-4+6i) is the answer 7-i?
31. Math (Check answers)

what is the value of -3x(7+(-3)^2)divided by 3? 13*** -2 -16 -48
32. Math

x^-5 * x^7= x^5 can someone explain why and check if it is correct
33. Math check 3

Simplify: 9/(y+8)-y/(y-2)+(y^2+4)/(y^2+6y-16) IS the answer y-14/(y-2)(y+8)?
34. Math

which of the following expression is true? 2^4*2^3=2^12 3^3*3^6>3^8 4^2*4^2>4^4 5^5*5^2=5^10 i think is the c but please check for me.
35. science

Can someone help me with mechanics. I need to check my answers
36. math

Solve: Check your solution. 3y - 7 = -3y + - 19
37. math

how can we check that 46/100 is equal to about 39/85?
38. math check

subtract: 3+5i-(-4+6i) is the answer 7-i?
39. Mrs.Sue

Can you please check my answers down below?
40. math

solve 9x<-27 I did 9x/9<-27/9 x<-3 Just a double check. I believe this is right Thanks
41. Algebra 1

Can you check this one for me. Evalute the polynomial for x=1. 2x^2-2x+4 When x=-1, 2x^2-2x+4=8
42. Algebra Answer Check

(7x^3 + 2x - 1) + (8x^2 - 6 + 2x - x^3) Ans: 6x^3 + 8x^2 + 4x - 7
43. Math

Pls check - Solve 9^2-7 (16÷2^3) 9^2-7 (16÷8) 81-7 (2) 81-14 67
44. Math - derivative of f(x) (check)

f(x) - x/(x-1) then f'(x) = -1/(x-1)^2 is that correct?
45. math

can someone check my answers if f(x)=4x-3 find f(-1) f(-1)=4*(-1)-3=-4-3= -7
46. algebra

solve the equation and check -(9x-4)-(2x-6)+7=-8(x-9)-(6x+2)+4
47. aLGEBRA 2 help please would appreciate

x/x+3 -x/x+3=x^2+9/x^2-9 solve for x and check your answers
48. Math

Solve and check. ( 3 marks) 5/(x-1)+2/(x+1)=-6
49. precalc (check answer)

l(x)=3-x^2 l(x)=7 x=-2 am i correct?
50. math

Solve and check each equation. 5 - y/2 = 3
51. Math

0.8(4+-a)=5.6a how to check this so the answers both equal out?
52. Math

What is y + 0.4 = 2? I think that y equls 5 but I am not sure. I would thank anyone to check my answer to see if I am right or not, thank you.
53. math

solve the equation and check 1.9(5-x)=1.7(3-x)
54. Math (Check

Subtract and Simplify 2/3 - 1/5 = 1/2
55. math

solve the equation and check 1/5(y+3)+3=1/10(7y-4)-5
56. Can anyone check this?

display.cgi?id=1504162458
57. Algebra 1

(4x^6-7)(x^8-4) = 4x^14-7x^8-16x^6+28 Check my answer please.
58. English

I need help on sentence check 2 chapter13
59. Math

Solve and check. ( 3 marks) (5)/(x-1) + (2)/(x+1)=-6
60. Math

Solve and check. ( 3 marks) (5)/(x-1)+(2)/(x+1)=-6 I need the help!
61. Mrs.Sue

Could you please check my answers down below.
62. Civics

Would someone be willing to check my quiz answers?
63. Chemistry

Can you check my answer for the PH question @12:04 11/20?
64. math

solve the equation and check -(9x-4)-(2x-6)+7=-8(x-9)-(6x+2)+4
65. HELP IN SCIENCE ASAP!!

PLEASE CHECK ANSWERS!!
66. alGEBRA 2 help please would appreciate

x over (x+3) -x over(x-3)=x^2+9 over X^2-9 solve for x and check answer
67. Algebra, ( check please)

A/3+4=6 I subtracted 4 from 4, and 4 from 6. and I got A/3+2= But how do I solve it from here?
68. Math (Check answers)

what is the solution to m+(-10)=-33 a.m=-33 b.m=-23** c.m=23 d.m=33
69. Math- Just want to check

If x and y are positive integers, and are not both even which of the following must be even? Is it 4(x + y) -2
70. algebra

Factor - check by multiplying Is this right? x^2-6x = x^2(x-6)???
71. Math

estimate a 15% tip on a \$42.65 check
72. math please check

(19-3)*(11-2)+8 squared=209
73. Trig Equation

Solve for x (exact solutions): sin x - sin 3x + sin 5x = 0 -¦Ð ¡Ü x ¡Ü 0 ------ Now, using my graphics calculator, I discovered that the following equation has 5 solutions. I have managed to come up with 3 of them but I'm having trouble finding the other 2. My 3 answers ...
74. physics

To push a 25.0kg crate up a frictionless surface incline angled at 25 degrees to the horizontal, a worker exerts a force of magnitude 209N parallel to the incline. As the crate slides 1.50m, how much work is done on they crate by (a) the worker's applied force, (b) the ...
75. physics

another question: the 20 kg block is at the top of a 10 m long inclined plane. The block starts from rest and slides without friction down the length of the incline. The block is 5 m high. 1) Determine the gravitational potential energy of the block at the top of the incline. ...
76. Math

7. The ratio of an object's weight on Earth to its weight on Neptune is 5 : 7. How much would a person who weighs 150 pounds on Earth weigh on Neptune? A. 170 pounds B. 107 1/7 pounds C. 750 pounds D. 210 pounds I answered D, because I took 150 pounds and divided that by 5 ...
77. Math- Still Don't Understand!

I do not understand how to work this problem out. I have a series of other questions that are similar, and it would really help me out if someone could help me understand how to work this problem. At the first tri-city meeting, there are 8 people from town A, 7 people from ...
78. AP physics c

A helicopter lifts a 63 kg astronaut 10 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. (a) How much work is done on the astronaut by the force from the helicopter? Incorrect: Your answer is incorrect. J (b) How much work is done on ...
79. Physics-Please check calc

I did this problem last night with Damon's help and I think it's correct at the end of the is-could you please check it? Calculate amount of energy needed to completely vaporize a 50g piece of 20 degree C silver melting point 1064 C L(f) = 64KJ/Kg Boiling point 2856C L(v) = ...
80. trig

cosθ =5/13 with -π/2 < θ <0 find each of the following sin( θ - 5π/4) cos( θ - 11π/6) tan( θ + 5π/4) can some1 explain to me how to do these? im completely lost and this is the only thing about my assignment that i cant do can...
81. GRAMMAR

When a doctor dictates a punctuation mark, it is important to _____ transcribe the punctuation mark and not the word dictated check that the punctuation mark is correctly placed and transcribe the punctuation mark and not the word dictated check that the punctuation mark is ...
82. Dr.Bob

A 100.0 mL sample of 0.05 M NH3 is titrated with 0.10 M HCl. Determine the pH of the solution after the addition of 50.0 mL HCl. Here is my work: NH3 + H3O+ --> NH4+ + H2O Before Addition: NH3= 0.005 mol H3O= 0 mol NH4+ = 0 mol Addition: NH3 = 0.005 mol H3O+ = 0.005 mol NH4...
83. physical science

John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m. A. How much work must be done on the sail? B. If the pulley is 50% efficient, how much work must John do on the rope to lift the sail?
84. Physics

A jogger's internal energy changes because he performs 6.80 105 J of work and gives off 4.9 105 J of heat. However, to cause the same change in his internal energy while walking, he must do 8.10 105 J of work. Determine the magnitude of the heat given off while walking. J
85. mathematics-Rate

4 men and 10 women can cut a field in 5hrs. If the men work at 5/4 the rate at which the women work. How many men will be needed to cut the field in 3hrs. #Please i need the detail explanation #thanks
86. math

Can someone please help me with this math problem. My teacher is looking for me to show my work, but I don't how to solve the problem to show my work. Please help!!! The problem is 2 1/2 + 3 1/4 + 3 5/8. Thank you for your help.
87. algebra

Henry can paint a house in 5 days and Jose can do the same work in 4 days. If they work together,how many days will it take them to paint the house?
88. MATH CHECK!

There are 20 red beans in the jar 10 fewer white than yellow half as many orange than red 10 more black than green twice as many yellow as red 5 fewer green as red please check: 10 orange 15 green 25 black 40 yellow 25 pink 30 white
89. Algebra 2

A parent leaves his house during rush-hour each weekday to get her husband from work and pick up her child from school. Her house, husband work and school are equal distance of 5 mile from each other. (On an imaginary triangle.) she usually makes the whole trip in 20 minutes. ...
90. Chemistry - Periodic Table+Cations(check+help)

On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to form a cation, since ...
91. Chemistry - Periodic Table+Cations(check+help)

On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to form a cation, since ...
92. i need help accounting

Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each transaction. Transactions: 1)...
93. math-Trig

1. Write the algebraic expression which shows Cos((ArcSin(4/X)), 2. Angle If Csc(-Θ)=15/4? 2. - what quadrant is it in, find the sin(-Θ), Sin(Θ), Tan(90deg-Θ), Tan(Θ), csc(Θ), Sec(-Θ+360deg), Thanks
94. physics

Please check my work here: Resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. The circuit voltage is 180 volts. Find: a)the voltage of the parallel circuit b)the voltage across the parallel circuit c)the current through the 10...
95. MATH PLS HELP

19 WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work. Your teacher ...
96. Chem - Elements

I need help on identifying four elements. 1. a member of the same family as oxygen whose most stable ion contains 54 electrons. (Sulfur?) 2. member of alkali metal family whose most stable ion contains 36 electrons. (Cesium??) 3. noble gas with 18 protons in nucleus (argon?) 4...
97. Physics

A trapeze artist, starting from rest, swings downward on the bar, lets go at the bottom of the swing, and falls freely to the net. An assistant, standing on the same platform as the trapeze artist, jumps from rest straight downward. Friction and air resistance are negligible...
98. maths help needed!(urgent)

find the equation of the tangent to y=x-(a^3/x^2) at the point (a,0) how to i work this out??can someone please show me how to do it step by step?thanks!!! Take the dervative of y y= x- a^3 x^-2 y'=1+2a^3/x^3 so the equation for the tangent is y= mx + b where m is y' above ...
99. Algebra

You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? And please go through the steps and give me an answer.
100. Algebra

You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? I got to this point xy=56 (x-8)(y+10)=56 I couldn't get any further ...