# Trig check my work please?

90,506 results, page 33

1. ### math/algebra

Express 55 minutes as a fraction of 11/3 hours. Please show work
2. ### alg

find the domain of the composite function f of g. f(x)=x^2+9;g(x)=sqrtx-7 please show work
3. ### math

what is 750 pounds equal to in tons please show your work because i need help!!!!
4. ### Calculus

Find dy/dx by implicit differentiation. x^3 - 3x^2y + 2xy^2 =12 Please show me the work/steps on how to do it.
5. ### Math

What value of b makes the equation below true? b+1/4=12/12 Please show work Thanks
6. ### Math

What value of b makes the equation below true? b+1/4=12/12 Please show work Thanks
7. ### college algebra

write the expression as a single logarithm In(x/x-2)+In(x+2/x)-In(x^2-4) Please show work
8. ### calculus

for the function f(x)=5/x+4, find the average rate of change of f from 1 to x. please show work
9. ### calculus

solve the inequality algebraically 7x-6 less than or equal to 3x^2 please show work
10. ### math

find the functions f&g so that fog = H H(x)=squre root x^2+8 please show work
11. ### math

find the domain of composite function fog f(x)=x/x-4; g(x)= -1/x please show work
12. ### Algebra

8x^3 + 27 factor the sum or difference of two cubes. Please show work.
13. ### Algebra

Can you please solve this I don't understand I know the answer is b>3 but If you can break it down for me and show work? (: 3b+12>27-2b

Isolve for x: ln(x^2-6x-16)= 0 . help me beacuse I do not have the idea to work it out.
15. ### Math- Urgent

Solving Equations -7+b/15=-6 What does b equal? Please show all work.
16. ### Math- Urgent

Solving Equations 3=r/16+4 What does r equal? Please show all work.
17. ### Algebra 2 help please would appreciate

8x/6y divide 2x/3y simply fraction show work thank you
18. ### Math

Solve for B: A=1/2(b+B) h show work. I am struggling with the above equation can someone please help? Thanks

20. ### Math

z+1/z=2; z=? (1/z is a fraction) Please show work. I got C.1 as my answer. A.Square root of 3 B.1/2 C.1 D.1 1/2 E.2
21. ### math/patterns

9,1,6,11,16 what is the millionth term in this sequence?can anyone explain how to work it out please,thanks.
22. ### MA 1310

What is the amplitude, period and phase shift for y = 1/4 cos (3x +7)? Thank you, please show work.
23. ### Algebra 2

Solving By Factoring Help me with these problems. 2x(2x+1)=2 5x^2+34x=7 Please show work I want to learn!!!
24. ### Algebra 2

Solving Systems of Equations in Three Variables: 3x+4y+z=1 x+3y-z=-2 -2x+y-2z=-5 Please show work
25. ### Algebra 2

Solving Systems of Equations in Three Variables: 3x+3y-z=-3 -2x-3y+2z=3 x-6y+3z=0 PLease show work

27. ### math

What is the maturity value of a loan for \$39,995 at 2.49% for 60 months? Please show work
28. ### Algebra 2

Find the real zeros of each polynomial f(x)=5x^3-40 Please show work I want to learn how to did it
29. ### Algebra 2

find the real zeros of each polynomial f(x)=5x^3-40 Please show work I want to learn how to did it
30. ### algebra

What is the value of the expression below? |-4-5| - |7+3| Show work please or else I won't understand and confused :)
31. ### Geometry

What is the pOH if the (OH-) is 1 x 10 -10 ? Please show your work? Plug the numbers into the formula
32. ### math! URGENT!!!!!

can someone please help me and show me how to work out percent change from \$1.55 to \$2.60
33. ### algebra

let f be the function given by f(x)=x^2-4x Find and simplifiy f(x+h)-f(x-h)/h Please show all work Thank you
34. ### algebra

Please simplify using long division (showing all work) : (8b^3 -6) / (2b-1). Thank you.
35. ### Trigonometry

Given that sin^2x = 4/13, what is the cos^2x? I am so lost. I need to show my work. Please help. THANK YOU!

38. ### science

Please someone answer this question for me .If you want to work in the lab what were you trying to demonstrate............... Thanks
39. ### Java

Verify the check digit in a barcode. Some of the most common barcode standards have check digits which are fairly easy to calculate. UPC (12 digits) are among the most common barcode standards you will find. The check digit is calculated like this: •the right-most digit is ...

Which system is inconsistent? A) y=0.5x x-2y=1 B) 2x-y=8 4x+y=5 C) x+y=0 2x=y D) y= -1 x=2 Answer: A Thanks
41. ### math

Please check this problem to see if I answer correctly x - 3 > 8 Answer x > 11

(.200-x)2 Would the answer be .400+x2
43. ### math

solve for x: log4 X - log4 2 = 2 log(2x) = 2 Now what do I do?

Can you please check my answer? Solve for x. 7- 7/2x = -5 my answer: x = 42
46. ### Science

Ms. Sue this is Ava will you please check my science answers that i posted

49. ### Math

2(3c to the 2nd power+ c +-2 Please check 6c to the 4th power+c squared + -4
50. ### Algebra

Which equation has the graph parallel to the graph 9x + 3y =-22 y=3x-22**** y=-3x + 8 y=1/3x + 12 y = -1/3x-2 Please check my answer
51. ### Math

y + 5 is equal to or greater than 7 Is y less than or greater than 12? Please check, and help correct.
52. ### Pre-algebra

I don't understand this. Can you do some examples? One student had the following way of dividing fractions. First the student renamed the two fractions with a common denominator. Then the student ignored the denominators and just divided the numerators to obtain the answer. ...
53. ### trig

The expression 4 sin x cos x is equivalent to which of the following? (Note: sin (x+y) = sin x cos y + cos x sin y) F. 2 sin 2x G. 2 cos 2x H. 2 sin 4x J. 8 sin 2x K. 8 cos 2x Can someone please explain how to do this problem to me?
54. ### Physics

a 330 kg piano slides 3.6 m down a 28 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. the effective coefficient of kinetic froction is 0.4. calculate a) the force exerted by the man, b)the work done by the man on the ...
55. ### physics

a 330 kg piano slides 3.6 m down a 28 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. the effective coefficient of kinetic froction is 0.4. calculate a) the force exerted by the man, b)the work done by the man on the ...
56. ### Physical Science

Is this correct? Gabriella weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. How much work does Gabriella do when she climbs the stairs? Ans- 1,350 J. What I did was 450*3 Can someone check this? Thanks -MC
57. ### Algebra

Bill drives his car 10 mph faster on the way home from work than he does going to work in rush hour. If it takes him 1 hrs. going and half an hour returning, how far away is his work?
58. ### Physics (SO CONFUSED!!!)

I think I'm using the wrong formulas or SOMETHING... Here's the question: "Two equal charges are separated by 3.7 ´ 10^-10 m. The force between the charges has a magnitude of 2.37 ´ 10^-3 N. What is the magnitude of q on the charges?" Here's my work: F = kc(q1q2/r^2) 2.37 x ...
59. ### Math median

Please check my answer :) 25,28,22,27,25,20,30,23,27, and 29 Of the above numbers which one is the median ? I said 26
60. ### Science Check

Can someone please have a moment to look at my other science posts, thanks :-)

1)Complete the identity sec Q - 1/sec Q Does this equal -2tan^2Q?

sqrt2 /10 Do I just leave this as sqrt2/10 or can I reduce it to sqrt1/5?
63. ### algebra

factoring completely, state that the polynomials is prime. x^-16 (x+8)(x-8) not prime. x^-8x+12 x(8x+12) (4x+6) Check these problem me please
64. ### math

(6x-5y)^2= 36x-25y 6x-5y (4x+5y)^2 16x+25y 4x+5y Please check to see if right. If not corrected for me.

Find the domain of the following rational function. R(x) = -3x^2 / x^2 + 2x - 48 (x+8)(x-6) So the domain is x cannot be 8 or -6. Am I correct?

Find the domain of the following rational function. R(x) = -3x^2 / x^2 + 2x - 48 (x+8)(x-6) So domain is x cannot be 8 or -6. Am I correct?
67. ### Opinion

Please check if this is an opinion: He said he hopes to reschedule his trip for next year

The information you gave staed a error please check information a resubmit thank you

1. Find the distance between the pair of points. Round to the nearest tenth is necessary. (-13, -8) and (6, 17) a. 11.4 b. 12.1 c. 31.4 d. 23.7 is the answer c? 2. Find the distance between the pair of points. Round to the nearest tenth, if necessary. (-10, -8) and (-3, 12) a...
70. ### Diversity

Child: Doggie Adult: Yes I see a doggie Child: Doggie Adult: Oh yes! See the doggie run in the street The preceding script exempliries an instructional strategy called: a. repetition b. redundancy c. storytelling d. progressive matching I chose "a" repetition can some one ...
71. ### math

March 1- \$550 rent (check) March 2- \$286 tuition (check) March 3- \$200 paycheck March 4- 275 bookstore check March 5- \$60 withdrawn from ATM March 6- \$40 food (debit) March 7- \$45 date desert March 8- N/A March 9- \$40 gas March 10 - \$200 paycheck March 11 - N/A March 12- \$35 ...
72. ### Trig

How come cosine of 225 degrees is a positive number i thought it was negative because it's reference angle would be 45 degrees below the second quadrant and in a unit circle cosine is just the x value so I thought cosine of something in both the second and third were negative ...
73. ### science

Let AB be the diameter of a circle, and let point P be a point on AB. Let CD be a chord parallel to AB. Prove that PA^2 + PB^2 = PC^2 + PD^2 It can be solved using geometry methods (no trig). Anyway, I figured out that PA^2 +PB^2 = 2OP^2 + 2OB^2. However, I cannot find right ...
75. ### Chemistry

Write a balanced equation for the reaction between hydrochloric acid and zinc metal. Zinc + hydrochloric acid ==> zinc chloride + hydrogen. These are the reactants and the products. You make it into formulae and balance it. I shall be happy to check your work.
76. ### Tax

Anyone knows what's the tax rate in Minnesota? I don't know the name of the tax, but I meant the tax you got taken away from your check when you work. Income tax? I web site with various tax rates corresponding to different level of income earned would be nice. Thanks ahead!

Two forces are pushing an ice shanty along the Ice. One has a magnitude of 330 lb in a direction due east. The other force has a magnitude of 110 lb in a direction 54 degrees east of north. What are the magnitude and direction of the resulant force?
78. ### science

If the statement is work put a check mark on the line Lifting one book Lifting four Pushing down on books Picking up a pencil Pushing against a wall A baby shaking a rattle Thinking really hard about science
79. ### books (Henry VIII)

I know I have posted this question before put under the wrong context I accidentally wrote Hamlet instead of Henry VIII. That's because I was working on both pieces of work. My answers have changed and want to know if they are correct. Please check over my work, any help will ...
80. ### Command Economies

Could I know the features of Command Economies/good and bad? I think I found their relative advantages and disadvantages. Down below. Please check, and do tell me if there are more. Thanks so much. Command Economy Advantages: -Equality is focused on -Government tries to get ...
81. ### Ethical and Legal Issues

Let’s start this discussion by providing examples of an ethical duty or ethical obligations you have encountered in your life. What are some examples of rules at WORK that might cause a conflict with your ethical standards? 1. What was that duty or obligation? 2. How did you...
82. ### Algebra

This formula relates the age of a person to hours of sleep h=(34 - a) ÷ Does the formula seem to work for you?? Does the formula work for babies?? Does formula work for older people?? For what ages does the formula work best???? My answers 1- yes used ag e 14 2 yes used a one...
83. ### trig

Scientists believe that the average temperature at various places on Earth vary from cooler to warmer over thousands of years of gradual climate change. Suppose that at one place, the highest avg temp is 80 and the lowest is 60. Also suppose that the time it takes to go from ...
84. ### chemistry

A drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of "40m2". Assume that the oil film has a uniform thickness equal to the diameter of a oil molecule. Calculate the diameter of an oil ...
85. ### math,correction

okay for the first one i/ve done it twice and both times i got 10, not -10. check your work to make sure you did it correctly. for the second one i got 24 so you are correct Directions solve for x. (x)/(x-2)-(x+1)/(x)=(8)/(x^2-2x) The answer i get is : -10=x or x=-10 Problem #...
86. ### Math

check my work 22 km=____m A=2.2 13 oz =___g A= Choose the most reasonable measure of weight. A calculator A=0.5 kg Complete the following statement. 540 s = ________ min A= 9min Complete the following statement. 12 ft = ________ in. A=144 in.
87. ### precalculus

Is this right? Convert the polar coordinate (-14, 5pi/3) to rectangular form. Does it mean rectangular coordinates and if so can you check my work? answer: r=-14 theta=5pi/3 x=-14 cos 5pi/3 x=-14(0.5) x=-7 y=rsintheta y=-14 sin 5pi/3 y=-14(-0.866) y=12.124 (-7,12.124)
88. ### Chemistry- please check my work

Compute the vapor pressure of water above a solution formed by dissolving 25.00 grams of magnesium sulfate, MgSO4 (MM=120.3) in 95.00 grams of water at 338K. The vapor pressure of pure water at 338K is 188.0 torr. I took 95.00g H20 divided by 18.0g. which gave me moles for top...
89. ### accounting

Which of the following would you use to record your checking account transactions? A. A check stub or check book registry B. A deposit slip C. A signature card D. Checks or drafts A
90. ### English

What does it mean to vary the sentence pattern within a written work? (Please give some answer...Not just a web link...And if you give a link please give info on where answer might be located.)
91. ### Trig application

A man is holding a gun 4 feet above the ground and fires into an open field. The bullet has an initial velocity of 300 feet per second and an initial angle of 30°. Find the range (the horizontal distance traveled before hitting the ground ) and the bullet's max height. Please...

1. in which region of Spain is the city Segovia located? a. Northern Spain b. Central Spain c. Southern Spain ** 2. What important cultural center in Madrid is home to one of the worlds finest collections of European are from the twelfth to nineteenth century? a. The Prado ** ...
93. ### English

Could you please check these last two sentences, please? Thank you for your help. 1. Britain entered the First World War in 1914 by declaring war on Germany after the German invasion of Belgium. Peace was made at Versailles in 1919. Many British war poets expressed their ...

please check these answers 1.D or A 2.C 3.B 1.which would you measure in meters? A.the length of a pencil B.the capacity of a cup C.the mass of a puppy D.the length of a car 2.which would you measure in kilograms? A.the mass of a butterfly B.the capacity of a bottle C.the mass...
95. ### Maths

I am trying to work out the area and perimeter of an equilateral triangle but am only given the altitude (12cm), i have tried everything from c^2 = a^2 + b^2 to b x h / 2 and nothing seems to work. How do i work this out with only one measurement?
96. ### sociology- social work

What influences in your life draw you to work with older adults? What do you anticipate will be a rewarding aspect of this work? What might be a challenge? What do others you speak to say when you indicate that you are interested in working with older adults?
97. ### Physics

A 57.5-kg skateboarder starts out with a speed of 1.80 m/s. He does +80.0 J of work on himself by pushing with his feet against the ground. In addition, friction does -265 J of work on him. In both cases, the forces doing the work are nonconservative. The final speed of the ...
98. ### Basic algebra

Bill drives his car 10 mph faster on the way home from work than he does going to work in rush hour. If it takes him 1 hrs. going and half an hour returning, how far away is his work?