# Algebra, help + check please

106,899 results, page 10

1. ### HELP IN SCIENCE ASAP!!

PLEASE CHECK ANSWERS!!
2. ### Please check my calculus

If x^2+xy-y=2, find dy/dx My answer: (2x+y)/(1-x)
3. ### math

CAN ANYONE CHECK THIS FOR ME PLEASE! NEED IT ASAP.. 5 < x -2 < 11 a. 5 < x < 11 b. 7 < x < 13 **** c. 7 < x < 11 d. 5 < x < 16
4. ### Math please check

p= -3; q=2 2q(p+q)+3pq I got -22
5. ### Math

Please check to see if this is correct? y-5 = -2 (x-3) y-5 = -2x + 6 y = -2x + 11
6. ### math please check

(19-3)*(11-2)+8 squared=209
7. ### Math

m•10-m•2=8 I think m=1 please check my work
8. ### please check my answer med reimbursement

Please recheck my answer thanks The Americian Associaton of Labor Legislationimplemented fee schedules True or False I said True
9. ### I just posted chinese!!

um, i don't think it appears really well on my monitor (is it just mine or...) if you can't see it, could you please give me your email add so that i can email it to you and you can check the mistakes? please help me...
10. ### Math

Please help me with the following by checking it. Solve for x: √(2x^2+5)=2 A. ±1 B. √2 - (This is my answer.) C. ±2 D. None of the above. I am not sure about my answer, can someone check it please. Any help will be greatly appreciated.:)
11. ### math/algebra

I need help with an algebra problem, please help. y=1/2x-4. Thank you.
12. ### algebra

PLEASE help me with my questions below in algebra. i am desperate!!!
13. ### Spanish -Please check 7th grade

Please check my answers-I have to say where I just came from and what I have done using forms of venir and acabar de The post office Vengo del correo. Acabo de mandar una carta. The museum Vengo del museo de arte. Acabo de mirar el arte. The hospital Vengo del hospital. Acabo ...
14. ### English

Can you please check these sentences on phrasal verbs? Thank you in advance. 1) Can I have two chops of lamb (or lamb chops?) and a roast chicken (or a chicken roast?)? 2)Our teacher will go over our mistakes during our afternoon’s revision course. 3)You’ll have to hand in...
15. ### Math-check my answer

check my answer please..... 1 euro is worth 1.2 U.S dollars if I budget 150\$ per night for a hotel room. What is the maximum number of euros I should spend for a room? My answer is 108 euros as a maximum (with an actual number of 107.425) Correct???
16. ### Algebra

how do I check my answer to a problem. The problem is: x/5 - 1/2 = 3 I know the answer is 35/2 but how do you check it. 35/2 /5 - 1/2 = 3?
17. ### math i need help miss sue please check

What is the prime number in this fraction 5/6? Please answer that then have another response to that one. What is the square root of 69? Answer that one then simplify this 20/65.
18. ### technoligy

1. What column do you put the deposits in when you are balancing your checkbook a=date b=transaction c=debit d=credit 2. when creating a formula for balancing in a checkbook, what do you subtract from the credits? a=debits b=check numbers c=transaction d=dates 3. Why is it ...
19. ### Math

I need to find the value of x. 5(x-4) = 3(x+8) Trying to help my niece and haven't done this stuff for 20 years. :) 5(x-4) = 3(x+8) 5x - 20 = 3x + 24 5x - 3x = 20 + 24 2x = 44 x = 22 I hope this brings back the algebra you studied 20 years ago. :-) By the way -- to check ...
20. ### Math Check please

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,3.5) <---- (0,-4) (0,7) (0,-3.5) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom ...
21. ### Algebra

I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the “ac method” A*C = 15*...
22. ### Chemistry. Please check my answer!

A piece of lead with a mass of 27.3 g was heated to 98.90oC and then dropped into 15,0 g of water at 22.50oC. The final temperature was 26.32oC. Calculate the specific heat capacity of lead from these data. This is what I did. Could you check my answer? I would really ...
23. ### Math check my answers

1. Evaluate. 8d - 10 for d = 4 A.32 B.22*** C.26 D.46 2. write an algebraic expression for the sum of 3 coins and c coins. A.c + 3*** B.c/3 C.3c D.c-3 3. Find the solution of the equation from the given numbers. x - 2 =16: 14, 18, 21, or 12 A.12 B.14 C.18*** D.21 4.use mental ...
24. ### Pre-Calc-Please check I'm desperate

Please check my answers I really need to do my homeowrk!;This are polar coordinates we're studying-I'm almost positive the first two are correct. 1.Which of the folowing is another representation of (-3,pi)? (3,120degree) (3,0 degree)I think it is this one?? ((-3,0 degree) 2....
25. ### Algebra

Suppose a triangle has angles A,B, and C. Angle C is the right angle. Find the measures of the other sides to the nearest whole number. < means angle symbol. 1.BC=9,m<B=72 degrees I got angle AB=28 and angle AC=29 To solve these problems you find either the sine, cosine...
26. ### Geometry (Please check my work)

Find the image of O (-2,-1) after two reflections, first across the line y=-5, and then across the line x=1. I believe the answer should be (-1,-6) Can someone please confirm?
27. ### Algebra 2

Can someone check my answers for the following questions? Thank you. 1)which is the equation of an ellipse with center (-4,2) and a horizontal major axis?
28. ### Algebra

Solve the equation. Check all proposed solutions. Show work in solving and in checking. Root3-x = x-1
29. ### Algebra

Solve the equation. Check all proposed solutions. Show work in solving and in checking. sqrt3-x=x-1
30. ### Algebra 2 Answer Check

If the rise and run are reversed for the linear equation y = 8x + 4, what is the slope of the new line? A: 0.125 or -1/8?
31. ### Algebra-Please help me

Could you please show me how to solvethis: x+6/4x^2 + 3/2x^2 = x + 4/2x^2 Please show me the steps-I don't even know where to start and I have 30 of these for homework Thank you
32. ### TRIGONOMETRY

Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 4. Transform each polar ...
33. ### Algebra

Debbie finished her algebra test early so she decided to check each of her answers. After checking her answer to question #10, she realized she made a mistake in her solution. In which step does Debbie make her mistake? Original Equation: 2 + 3y = 5(y - 2) Step One: 2 + 3y = ...
34. ### Math Please Check!!

Please check my answer to see if I got it right. Thanks. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much time does Braden actually work on his math ...
35. ### physics-bobpursley/drwls please check

bobpursley/ drwls please help me with my post on Sunday, April 15 at 10:16pm and 10:19pm. Thanks!
36. ### English

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...
37. ### ENGLISH

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...
38. ### ENGLISH

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...
39. ### Algebra II-Please check fpr explanation

I have a question concerning this problem:I just want to make sure my formulas are correct before I do problem It is a hyperbola equation (y-4)^2/49 - (x-6)^2/72 = 1 1.It is a vertical hyperbola, correct? 2. the a^2 is 49, correct? 3. the b^2 is 72, correct? 4. I find the foci...
40. ### Algebra 2

I am trying to figure out if these problems are Direct Variation, Inverse Variation, or Neither. Could someone please check my answers? m=-5p Direct c=e/-4 Neither c=3v Direct r= 9/t Inverse n=(1/2)f Direct u=I/18 Neither d=4t Direct z= -0.2/t Inverse
41. ### Math please check

Does 0.21 * 0.05 = 0.0105? * means multiply. Yes.
42. ### bobpursley

ok and for this other question could you check my work please! h t t p : / /i 3 4 . t i n y p i c . c o m / s 2 z h m v . j p g
43. ### Math 115

8/26=m/13 104/26 m=4 Check this problem please
44. ### Bobpursley plz help

Can you please check my answers 3. Tx=2x+1,XW=x+7;TW Tx+XW=TW 2x+1+x+7+TW 3x+1+7=TW Answer: 3x+8+TW 4. WX=X+5,TW=4x+5;TX WX+TW=TX x+5+4x+5=TX 5x+5+5=TX 5x+10=TX
45. ### math

can someone please check my answer? -9<==4x-8<==-7 {x l -1/4 <== x <== 1/4} is this correct??
46. ### math please

Solve 3^2x + 3^x - 21 check extraneous roots
47. ### To: Drwls

can you please check my previous science post, thanks
48. ### Alg 2 Check Please!!!

1) 8^2y = 52^4y+3 2) 2^3(2y) = 2^26(4y+3) 3) 6y = 104y+78 4) -98y = 78 5) y= -0.796
49. ### Math(Please check)

(0.50M)(3.50mL) = c2(75.00) c2= 2.3e-2 Is this correct?
50. ### math (please double check my answers)

4. Prove: 2^n + 2^n = 2^n+1
51. ### math check PLEASE

which fraction si greater than -7/5? a.-5/9 b.-6/11 c.-1/2 d.-4/9 i think its A
52. ### Help

Ms.Sue can you check my answers please their down below.
53. ### S.S.

Ms.Sue can you please check my questions they are down below.
54. ### Maths

Quadratic Graphs Y=x^2-7 These are my values can you please check X=-4 so y=9 X= -3 so y=2 X=-2 so y = -3 X= -1 so y=-6 X=1 so y=-6 X=2 so y=-3
55. ### Earth Science

Please check down below.
56. ### Math please

Hi nobody helped me can you check on what I asked? Thank us
57. ### Math please check my work

4x(3-y) - 2x + xy I got 64. Is that right?
58. ### Math Please check

-4x+3y=12 Solve for y I got: 12+4x/3 Is that right?
59. ### Math

2/3 x 4 1/5= 21/5 x 2/3=42/15 42/15=2 12/15 Please check the above answer Ms. Sue. Thank you
60. ### Alegebra

Please check (5^3) (5^9) is the answer 60 Need help with this one (3x-2) and (5x^2+3x)
61. ### English

Can someone check my grammar and punctuation, please?
62. ### U,S, History (please help)

Who was responsible for writing the amendments that later became the bill of rights?? A) George Washington** B) Patrick Henry C) George Mason B) James Madison I think it's A, but I'm not sure, it would mean the world if someone could please check my answers
63. ### Biology check my answers

Please check to see if my answers are right: we need to list the 6 kingdoms with their characteristics and an example each Eubacteria -"true bacteria": bacilli Monera- prokaryote ,: Cyanobacteria Protista- single cell, true nucleus :amoeba Plantae- photosynthetic :roses Fungi...
64. ### Algebra2(check)

Would someone please check my answer for me? 1)The equation x2 + (y + 4)2 = 49 models the boundary on a local map for which Darren can hear his friend Tom on his two-way radio when Darren is at home. How far (in miles) can Tom walk from Darren's home and still be heard? 3.5 ...
65. ### algebra

can you check my answers please? What are the first three terms of the sequence: a1 = 3 and an = 2(an1)2? 2, 8, 18 3, 18, 648 --3, 32, 50 2, 6, 12, 24 What is the 14th term in the sequence: an = 4n + 13? -43 43 __> -69 69 What is the recursive rule for the sequence: −...
66. ### algebra/9th grade

decide whether the given ordered pair is a solution of the equation: 1. 3y+12x=-4; (1/5, -35/15): 2. 8-3x+24y=0; (5, 23/24) I think neither of them are. _______ find the x-intercept of the graph of the equation. 3. 13x-24y=-5 --> x=-5/13 4. -14+6y=7x --> x=-2 __ find the...
67. ### algebra

could you please check this answer for me and correct. thanks given equation point slope form linear equation to use to do question. y-3 = 3(x+1) question rewrite this equation in standard form y- 3 + 3 = 3x - 3x +3 + 3 -3x+ y = 6 collect all variables on one side and ...
68. ### Algebra 2

thanks for the help earlier I got one more question X^4-13X^2+36 How do I factor this using algebra not just gussing and checking this times this and what number plus what number gives you these numbers how do i factor that wihtout playing one of those games were you like ...
69. ### Algebra

I'm not quite sure about these problems. I know how to do them, but it seems that I get the wrong answer. Maybe I'm supposed to get 'no solution' but I'm not sure. Could someone please help me with them? 5|6-5x|=15x-35 2|3x-7|=10x-8 1/4|4x+7|=8x+16 Ok for 5|6-5x|=15x-35 first ...
70. ### Physics-please check-this can't be right

I asked about a golf ball hit at a 35 degree angle and the hole was 175 m away. What was speed of ball. I got a response, and it follows with my response. I'm not doing something right, can you help, please.Physics - drwls, Saturday, October 9, 2010 at 10:20am You can come up ...
71. ### Chemistry

A silicon chip is used in an integrated circuit of a microcomputer has a mass of 5.68 mg. How many Si Atoms are present in this chip. Okay here is how I worked it. Can someone please tell me if its right? 1 mole of Si = 28.086g = 6.022 x 10^23 5.68mg of Si 1g/1000mg = .00568g ...
72. ### Math: Homework Check!

Can you check to see if my answers are correct. If wrong please explain why. 1. 3 ft = 36 L - S x (largest to smallest) THINK: 1 ft = 12 in 2. 72 in = 2 yd THINK: 36 in = 1 yd S - L / (/ means divide) 3. 93 ft. = 31 yd THINK: 3 ft = 1 yd S - L / 4. 500 yd = 1500 ft THINK: 1 yd...
73. ### Algebra II-Please check my calculation

Find center, vertices, co-vertices and foci for the following; (x-3(^2/49 + (y-4)^2/4 = 1 Center would be (3,4) A=7 b=2 Vertices would be found this way: (h+-a,k) (3-7,4) (3+7,4) Vertices = (-4,4) (10,4) Co-vertices (h,k+-b) (3,4-2) (3,4+2) Co-vertices=(3,2) (3,6) If ound "c" ...
74. ### Algebra

Describe what the graph of interval [-4,10] looks like. I am trying to check to see if I have done this right. Any help would be wonderful.
75. ### Pre-algebra:Check

1. How many ways can the letters in the word LINEAR be arranged? a. 360 b. 720 c. 120 d. 240 is the answer a?
76. ### ALGEBRA

Use Venn diagrams to check the validity of the argument All cats are animals. This is not an animal. Therefore, this is not a cat.
77. ### algebra 1

Solve the following systems of linear equations using any algebraic method.If possible,check your solution. 1)2x+5y=3 X-3y=7 2) 3y=11-2x 3x=y-11 3)8x-6y=14 12x-9y=18
78. ### Algebra 1

Write an equation in standard form of the line that passes through the given points. Can someone check my answers? (2,6)(3,8) -2x+y=2 (7,-3)(4,-1) 4/3x+y=19/3 (3,-8)(5,-9) 1/2x+y=-13/2 (-5,6)(2,-3) 9/7x+y=-3/7 (-3,-1)(6,-8) 7/9x+y=-10/3
79. ### algebra

Solve the equations by finding the exact solution. a 3= x -3 what is x b In e = In like a check mark 7 with a 6 under the 7 -3 In e x is what Thank you very much for your time
80. ### ALGEBRA

Factor each expression completely. show some sort of check to confirm your answer. (hint: think FOIL) x^2+11+30 x^2-5x-14 9x-16
81. ### Algebra check answers?

Write the equation of the line that passes through the points (-4,-2) and (-3,5) y= -3/7x+16 y= 1/7x+16 <--im not sure y= 7x-16 y= 7x+26 Which radical expression is equal to (4 1/6)^2 3√4 √2 √64 <=-- or D? 6√4
82. ### Algebra2 (Please Check My work)

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,-3.5) <---- (0,-4) (0,7) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom on his ...
83. ### TRIGONOMETRY

Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 3. The rectangular ...
84. ### algebra

would you please check my work and make changes for errors? thanks ann problem: joe bought 3- topping sundae for 15.25 and a 5 topping sundae for 17.75. write and solve a system of linear equations to find price of each topping and a plain sundae(no toppings). I wrote: x + 5y...
85. ### Social Studies (please check Ms. Sue)

Please check this. Thanks! 1. After World War II, what type of laws did Congress concentrate on passing? a. civil rights*** b. homeland defense c. international alliances d. taxes 2. Which of the following tactics was NOT used by civil rights groups? a. organizing sit-ins b. ...
86. ### 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) = ...
87. ### Math

75 + -63 + 7( 115/ -5 + (-8)2 ) -63 is -6 to the third power and (-8)2 is (-8)to the 2nd power. I got 15913 I think that that is wrong and my calculater wouldn't fit all the numbers so I don't know how to check it! Can you please try it so I can double check answers? it is ...
88. ### math

After dinner, Amanda, Trey and John received the check for their meal. Trey is paying 1/4 of the check and leaving no tip. Amanda is paying the remainder of the check. John is leaving 20% of the check as a tip. Using C as the amount of the check, match each person with an ...
89. ### math- can you please check my work

Can you please check my work. I asked this question yesterday but no one helped me. Thank you , I really appreciate it A hot air balloon was at a height of 60 feet above the ground when it began to ascend. The balloon climbed at a rate of 15 feet per minute. a) make a table ...
90. ### algebra I

Question: A telemarketing company had a loss of \$2113.15 in July, a loss of \$597.11 in August, and a profit of \$4121.55 in September. Did the company make a profit during the 3-month period? If so, what was the profit? Answer: Yes, the profit was \$1411.24 Please check my ...
91. ### Algebra story problem, check please?

Dan purchases dvd's from a website, each dvd costs 11 dollars, and the shipping and handling fee is 6.95, dan is charged a total of 50.95, how many dvds did he purchase? A) Label a variable and write an equation: 11(x)+6.95=50.95 x is the number of DVD's purchased. 2) Solve ...
92. ### Algebra

Find the base three representation of 237. PLEASE HELP. I HAVE NO IDEA 3^4=81 so there must be 3 of those (3*81=162 237-162=75 3^3=27 so there must be two of those 2*27=54 75-54=21 3^2=9, so there are two of them 21-18=3, so one three 3^0=1, so none of those. 22210 base 3 2*3^...
93. ### Math(Check Please)

1. Which line is the flattest (or is less steep)? Why? a.
94. ### More Math To Check Please

4c^2 - 12c + 9 This is what I got: (2c+3)(2c-3) *Is that correct.? No, it is (2c-3)^2.
95. ### for bobpursley please check

ok So The American Association of Labor legislation did what then n
96. ### math - scientific notation

please check. thanks. (8.3 x 10^-15) (7.7 x 10^4) = 6.391 x 10^-10 Is that right?
97. ### math

Could someone please check these for me? 1. Find the function value if x=2 f(x)=x^3 F(2)=8
98. ### math

can someone check this please find indicated outputs for f(x)= 4x^2 - 2x f(0)=0 f(-1)=6 f(2)=14
99. ### Math

Can you please check to see if these are right? We have to set each of them to y. Thank You. x-y=-3: y=-3x 2x+y=5: y=5-2x 2x+y=8: y=8-2x
100. ### Alg 2 Please can Someone Check this???

1) 8^2y = 52^4y+3 2) 2^3(2y) = 2^26(4y+3) 3) 6y = 104y+78 4) -98y = 78 5) y= -0.796