188,810 results, page 16

1. ### math help

3^(n+1)-3^(n-2) Need help simplifying this please.
2. ### Math

Please help me with this question solving for x. Thanks. 4^x = 10 - 4^(x + 1)

5. ### Math Help!

An estimate for ^123 is? A. 10 B. 11 C. 12 D. 13 How do I do this please help!!
6. ### Math

What's -6 + 2/12? Could you please show your steps? Thank you! :)
7. ### Math

Please help with function rule X Y -7 -1 -4 -3 -1 -5 2 7 5 -9 Thank you

9. ### math

m - 7 <6 m < -1 *** m > 1 m < 13 m < -13 please check my answer!!!!!!
10. ### Math

please help!! which number is the solution of x/4=-5? a. 20 b. 1.25 c. -1.25 d. -20

13. ### Math

4s-(3-2s)-6=9 Please check my work: 4s-3+2s-6=9 6s-9=9 3s=18 s=3
14. ### math

Please show work 6 1/6 ÷ 2 3/10

17. ### Math

1 1/7 x 1 3/4= 8/7 x 7/4= 56/28 56/28=2 Please check on the above.
18. ### Math

What is the answer? 3x - 4y when x = 9.8 and y = 82. I don't know how to solve it please help!
19. ### Math

I need help please. 89°F= ___C
20. ### math

18. For the function f(x) = x2 ­ -12, find (f o f­-1)(4). A)4 B)10 C)6 D)0 help please?
21. ### Math

Help please. .6 is 266 2/3% of what number?
22. ### math . someone please explain

(-3x^-4y^-2)^-1 / (x^4y^4z^4) ^-4

25. ### Math

Please how to solve the equations: y=4-3x and x=4y-6 Thank you

27. ### Math

factor completely 1- x/x-5 + 7x/x^2-3x-10 Please and Thank you

Let U={1, 2, 3, 4, 5, 6, 7, 8, 9} and A={1}. Find the set Ac. a. {2, 3, 4, 5, 6, 7, 8, 9} b. {1, 2, 3, 4} c. {2, 4, 6, 8, 9} d. {2, 3, 4, 5, 6, 7, 8} Thank you!
29. ### Math Help

Let A={2, 4, 6, 8} and B={2, 3, 5, 7, 9}. Compute n(A). ​ 17 14 5 8 4 1 Please help thank you

31. ### Math

which fraction is equivilent to 4% A. 1/50 B. 2/25 C. 1/25

35. ### Math *help*

Find each product. 5/6 x 10 A.8 1/3*** B.10 5/6 C.50/60 D.5/60 help please ^_^

37. ### Math

Simplify the polynomial 2x^2 + 6x - 7x + 8 - 3x^2 + 1 A)2x^2 + x + 9 B)-2x^2 - x - 9 C)-x^2 - x + 9 D)x^2 + 9 Please help me
38. ### Math

If y=1+X+X^2+X^3........|x|<1 then x=.....? Please solve this problem.

what is 4+6+12+3=^8+?4+5= is this to much of a problem?

42. ### Math

which property is shown by -3 • (6 + 5) = -3 • 6 + -3 • 5?

48. ### Math

What is 1/2% of 18 Can you show me the steps please?

50. ### Math pre algebra

please check my answer thanks At Albany's Children's Hospital, the hospital cenuson Jan 4 is 110 According to the following data, what's the hospital census for Jan 5 Admissions 10 Discharges 2 A&D 1 so this is what I got 110 + 10 (#of admissions) = 120 then - 2 # of ...
52. ### math

Ben can run six miles in forty-eight minutes. If Luke can run twenty percent faster than Ben, how many minutes will Luke take to run nine miles? Please provide COMPLETE solutions with explanation please
53. ### math

MS. SUE PLEASE I NEED YOUR HELP! The attendance records for four Major League baseball teams for 2011 are shown below. Florida Marlins: 6.76 * 10^5 Los Angeles Angels: 1.26 * 10^6 Pittsburgh Pirates: 9.78 * 10^5 Chicago Cubs: 1.87 * 10^6 Which team had the greatest attendance...

55. ### Math(Algebra 1)

Im doing math homework and having some trouble. Its called "Graphing equations", and this one is hard. It says 2x-y=7 and then I have to match it with a graph in the textbook. What do I do first to be able to match it? Please help a.s.a.p.

This is the exact question that is in my son's math book. Please help, I'm completely confused on the question. REASONING Write in order from least to greatest the six numbers whose digits are 2,8, and 9.
57. ### Math

I have a bunch of math problems I desperately need help with. It is conversion. 1. 192 fl oz = pt 2. 15 pt= c 3. 240 fl oz= c 4. 32 qt = gal 5. 10 qt= c 6. 48 c = qt 7. 72 pt = gal 8. 128 fl oz= pt Please help me with the above. I do not know what I am doing. Teach me what is ...
58. ### math

Can some one please help me I had developed jello brain today. Can some one explain to me why the line x = - 2 is avertical line. and what the slope would be for the line. and why its diffenrence for y = -2 . what would the slope be for y = -2. Please I am sinking here.
59. ### math double check please

GCF and LCM of 252, 420, and 180 252: 2,2,3,3,7 420: 2,2,3,5,7 180: 2,2,3,3,5 GCF is 12 and I think LCM is 1260? Can you please tell me if I'm right?
60. ### math

PLEASE HELP ME WITH THIS TRIGONOMETRY QUESTION!!? Edit Express each of the following in terms of another angle between 0 degrees and 180 degrees a. sin 50 degrees b. sin 150 degrees c. cos 45 degrees d. cos 120 degrees Update: we have not yet learnt it in class i'm trying to ...

John is at a car show. Beginning 2.5 miles away, a car travelling at a constant 45 miles per hour approaches and then passes John. The distance between John and the car can be represented by the equation d = |2.5 – 45t|. At what times is the car 0.5 miles from John? Can ...
62. ### Math

Find the five-number summary of the following set of numbers. 337, 248, 157, 388, 248, 451, 271, 225, 310 First sort... 157,225,248,271,310,337,388,451. the minimum = 157 the minimum = =271 the median = (271+310)/2= 290.5 the upper quartile= can you please tell me if this ...
63. ### Science (Please Respond SOON!)

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 ...
64. ### college

Select the properly punctuated sentence. a. Please let me know; when I may contact you. b. Please let me know, when I may contact you. c. Please let me know when I may contact you.
65. ### math

simplify -cd^-4e^-1 okay rob or jim. read my math tip notes, okay? otherwise you'll do poorly on your quizzes. :) if you meant (-(cd)^-4) * (e^-1) -e/((c^4)*(d^4) or if you meant ((-cd)^-4) * (e^-1) e/((c^4)*(d^4) or if you meant (-c(d^-4)) * (e^-1) -ce/(d^4) Please specify ...
66. ### Math

Graph the function Identify the vertex and axis of symmetry f(x)=2x^2 + 4x +1 please explain steps I need to do. I keep looking at notes and just can't grasp any of it. Failing math not sure how to start again. I think I missed something major.
67. ### To Gunjan

Your posts have been removed. In the future, please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in the subject line to make it faster for each teacher to find those questions in his/her areas. An even ...

I just cannot seem to be able to grasp the concept of solving polynomial inequalities. Can someone please explain, step by step, how to solve them? Here's a problem I can't solve. Please use this as an example: (x-2)(x-5)<0 I cannot thank you enough for helping me with this...
69. ### Physics

Car A is moving at a constant speed of 10.0 m/s and passes Car B which is at rest. 10 seconds after, the latter follows with an acceleration of 0.5 m/s2. Determine the distance that the latter has to travel before it overtakes the former. does it require quadratic formula? Oh ...
70. ### Geometric Constructions HELP!

Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent? Can you give me ideas or examples about: the with wings of an airplane and tires of a car. Please! Please! Please!
71. ### math

ok i need help with these questions i have been trying to figure them out and my brain isnt working. please help and thank you ahead of time. if you can help. 4. Q.write and algebraic expression for the product of 15 and c A. IS IS C-15 16. Q. define the variable and write an ...

A wedge is cut from a right circular cylinder of radius r by two planes, one perpendicular to the axis of the cylinder and the other making an angle (beta) with the first. Find the volume of the wedge by slicing perpendicular to the y-axis. Please show all steps Note: this is ...

Hi, I'm having trouble finding the overall output. output at A is pq output at B is ~q+r output at C is ~p(~q+r) What is is the overall output? I'm having trouble getting the EXACT answer with parethesis. Please help!! Thanks and God Bless!!

A monitor displays the graph y = 3 sin 5x. What will be the amplitude after a dilation of 2? I am so confused.....can somebody please help me.... please??? I know the graoh of sin x but what is dilation? can somebody please explain????
75. ### Math

In math we're doing a review sheet and i don't get any of it so can someone please help!! What is the simplest form of the expression Radical 28 + radical 175 - radical 7
76. ### Math

My math assignment is conversion with weight. 1. 6 T= lb 2. 18lbs= oz 3. 3,200 oz= lb 4. 12T= lb 5. 9lb= oz 6. 7lb= oz 7. 100lb= oz 8. 60,000= T I need major help on the above. I do not know where to begin and need to know if there is some sort of chart I can use as well ...
77. ### English

Hey, I need your suggestions on this one. Could you please name some of the most beautiful, most emotional pieces of writing you've ever read. It can be poetry or prose or titles of novels or even someting you've written yourself, if your gonna do that can you please give me a...
78. ### English

Can you please check the sentences? Thank you, Writeacher. 1) Are there any questions before you start? Did you have any difficulty in doing your homework? 2) Take a photocopy and pass the others on. Share these copies, one between two. Please, keep an eye on time. 3) Let's go...
79. ### Math

Could you please help me unscramble this word It is supposed to be a math word natoopseia
80. ### math

What are the ratios for sin A and cos A? The diagram is not drawn to scale. Triangle Description- AB = 29 AC = 20 BC - 21 A. sin A = 20/29, cos A = 21/29 B. sin A = 21/29, cos A = 20/21 C. sin A = 21/29, cos A = 20/29****? D. sin A = 21/20, cos A = 20/21 Please help and explain!

3. Nitrogen-fixing bacteria live in protective nodules (bumps) on the roots of some plants. These bacteria are able to convert gaseous nitrogen from the air into a form of nitrogen that the plants can use. Which type of relationship is this? ~mutualism*** ~predation ~...
83. ### History

Can you answers the Q's about a Notable American Explorer ? I need to know all about Sir Francis Drake Can you please tell me : The reason why he became an explorer Country he sailed for (if different from their country of origin please explain why) where was his attempted ...
84. ### math!

what is the vertical and horizontal difference between the two eqautions on a graph? Here are the eqautions... y=2x+3 y=2x-4 please help me on this. These two eqautions when graphed are parralell to each other. But im not sure how to calculate the difference in vertical and ...
85. ### math

what is the vertical and horizontal difference between the two eqautions on a graph? Here are the eqautions- y=2x+3 y=2x-4 please help me on this. These two eqautions when graphed are parralell to each other. But im not sure how to calculate the difference in vertical and ...

Mirette wants to plant bulbs in patterned rows in her garden. Each row will have 12 plants alternating in this pattern: red tulip, yellow tulip, yellow tulip, white tulip. If she plants 8 rows, how many bulbs of each color will she need? Please answer and explain.
87. ### Math HELP!!!

x2 + x + -3.75 = 0 Please... I'm horrible at algebra. x=7.5 and x=-8.5 THANK YOU SO MUCH

6-y/y^2-2y-24=? *I don't get it at all!!! Answered in another post.

so if 0.98 = 98% then what % would 9.8 be? 980 percent

92. ### math

Please explain how to do this problem: 5(9-3)+5x4-6=

what is the least number that is divisible by 2,3,4,5,,6,9 and 10?

Solve the system by addition. 2x-4y=7 4x+2y-1

Solve the system by substitution. x – 5y = 2 2x + 3y = 17