# 1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work

71,152 questions, page 336
1. ## Calculus

Find the value of the derivative (if it exists) of f(x) = (x+3)^(4/3) at x=-3. So I got (4*(x+3)^(1/3))/3 for the derivative and 0 for the final answer.

asked by Anonymous on November 16, 2016
2. ## math

PLEASE TELL ME THE ANSWER TO "blank 569 divided by 6 is about 400!!!!!!!!" WHAT IS THE BLANK?!!?!?!?

asked by Erika on February 23, 2017
3. ## math

What number is the square of 5 times the square root of 12? How do you get the answer? Thanks.

asked by Alyce on December 5, 2012
4. ## Math

Use Cramer's Rule to solve: 3x-5y=21 and 4x+2y=2. a=3, b=-5, c=4, d=2, e=21, f=2 21(2)-(-5)(2) divided by 3(2)-(-5)(4) =52/26= x=2 3(2)-21(4) divided by 3(2)-(-5)(4) =78/26= y=3 answer: (2,3)

asked by Jon on February 26, 2008
5. ## social studies

I know that their are many ways to say hello in japanese, but I need to know how you write hello in japanese. Please give me and answer.

asked by shakti on March 15, 2010
6. ## 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

asked by Lost on November 15, 2016
7. ## Math

How would you order the following from least to greatest? 1/4, 0.2, 3/8, 30% Would it be 0.2, 1/4, 30% and 3/8? This was my answer but it was marked wrong? Where did I go wrong? Thanks for your help

asked by Kyle on November 10, 2014
8. ## math

what is the answer to "construct a segment whose length is EF - CD and by the way a segment symbol is above the EF and CD

asked by chenel on September 13, 2012
9. ## Math-Fractions

How would I solve these two problems. (We have to simplify our answer) 5/7 divided by 8/21 12/7 divided by 9/21

asked by Joe on January 19, 2010
10. ## English

1. How does he look? 2. What does he look like? 3. What is he like? 4. How does he feel? 5. He looks puzzled. ===================================== #5 is the answer to the question. Which question is suitable for #5?

asked by rfvv on November 21, 2017
11. ## math

Solve by multiplication principle -2x is greater than 1/9 answer: x is greater than -1/18

asked by deedee on January 6, 2009
12. ## Algbra

I need help with the following problem. -6 less than or equal to 3 + 1/3a less than or equal to 5 Please show steps and answer. Thanks.

asked by Zach on February 2, 2011
13. ## Math

Hi, could you please provide a step by step solution explaining how to do this: [(a^2 - b^2 + a + b)/(a - a^3)] x [(1-a^2)/(a - b + 1)] The answer should be (a + b)/ a Thanks

asked by Luna on February 4, 2014
14. ## Calculus

Differentiate e^cos (x^2+1). My answer: -2xe^cos(x^2 +1) • sin(x^2+1)

asked by Anonymous on August 30, 2015
15. ## Math

How do you do this..i have the answer i just need a step by step way to solve this.. sec(sin^-1 (2/5))

asked by Trig on November 14, 2011
16. ## math

how do you solve these problems? 1.2x/3 + 1/3 - x/8= 2/3 2. 3n + 9/10 + n/5= -2 3/10 3. 3k/4 - 28 - 2k/3 = 37 thank you can you please show me step by step how you got the answer?

asked by Sara! on June 3, 2010
17. ## Algebra

2r-5s=-14 5r+2s=23 I know the answer is s=14 and r=3 but how do I wirte this down on my assignment? If I entr it wrong, I will get it wrong.

asked by Shannon on April 11, 2009
18. ## math check

what is half the difference between 187 and 49? 187-49= 138/2 answer is 69?

asked by gio on November 17, 2013
19. ## Chemistry

What is the equilibrium constant for the reaction: Si + O2 SiO2 ? Is the answer just [SiO2]/[Si][O2] ?

asked by Anonymous on May 7, 2013

can you check this set of answer {10,14,18,22,26} mean=18 median=18 mode =no mode

asked by brown on March 24, 2009
21. ## English/Punctuation/Grammar

"This will not be endured!" he roared. a:correct b:incorrect ---- My answer is "a" Is this correct?

asked by Sarah on August 3, 2011
22. ## chemistry

0.050 kg of 4.0% (m/m) MgCl2 the answer is 2.0g MgCl2 how do you show the work

asked by Reina B. on April 24, 2014
23. ## Math-Derivatives.

if y=sec^(3)2x, then dy/dx= my answer is 6 sec^3 2xtan 2x but im not sure if that is right. ? Can someone show me if i did it correct.

asked by Anonymous on March 24, 2010
24. ## I need someone to check this

Add and Simplify: 100x/x+10 + x^3/x+10 I have the answer as X^3+100x/X+10 is this correct?

asked by Jennifer on October 12, 2008
25. ## algebra

If the sides of the rectangle are (fq-8)dm and (f^2g^2 + 8fg + 64) dm. what is the area of the rectangle ? Please Help me :\ and thank you for those who answer :)

asked by Camz on July 14, 2015
26. ## alg 2.

when condensing this expression why is the answer ln5. ln25-ln5

asked by Miley on May 8, 2008
27. ## math/algebra

divide: x^2 + 2x -15/4x^2 divided by x^2-25/2x-10 answer choices a) x-3/2x^2 b) x + 3/2x^2 c) 2x^2/x + 3 d) 2x^2/x - 3 any your work is? any your work is? (x-3)(x+5)/4x^2 * 2x-1/x^2-25= x-3/2x^2

asked by Diana on July 15, 2007
28. ## Math

What is (-7)^5 in expanded form? A. -7x-7x-7x-7x-7 B. -7.5 C. (-7)x7x(-7)x7x-7 D. 5x5x5x5x5x5x5 Is the answer A? Thanks

asked by Anonymous on October 4, 2014
29. ## math

asked by claire on June 24, 2017
30. ## college interview question

how will you answer this is i don't regret something Is there anything that you regret doing (or not doing) during high school?

asked by kate on June 8, 2009
31. ## Calculus

Evaluate the integral: the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this answer is incorrect. Please help. Thanks

32. ## Algebra

let do some corrctions sqrt9x+81=x+5= answer was x=35+3sqrt61/2,35-3sqrt61/2. please work with me.

asked by Jack on July 2, 2008
33. ## Algebra

Solve. ã9x+81=x+5 this is my answer:x=35+3ã61/2,35-3ã61/2 is this correct.

asked by Jack on July 2, 2008
34. ## chemistry

Type your answer using the format [NH4]+ for NH4+, [Ni(CN)4]2- for Ni(CN)42-, and 3e- for 3e-.) Ba Ba2+ +

asked by help seriously on September 27, 2010
35. ## Calc. Help

Simplify. #1. 5(2-i) - 3(4+3i) ..my work: 10-5i-12-9i -2-14i Do you leave this as the answer or can you simplify it further? #2. (2-i√2)²

asked by Hayden on August 26, 2010
36. ## biology

explain why a hypothesis is often defined as an educated an educated answer?

asked by alyssa on September 15, 2009
37. ## Calculus

find y' of 4(cos(x^3))^2 when x = 1. I got -24(1)(cos(1)(sin(1) = -0.4187 but the answer is -10.9.

asked by Dave on October 19, 2014
38. ## Spelling

What is the answer to this analogy: Rope is to string as string is to ______?

asked by Emma on March 14, 2017
39. ## Chem

What volume of 2.50 x 10-4 M CV+ solution should be diluted to 10.0 mL to prepare a 7.50 x 10-5 M CV+ solution Answer 1.00 mL 3.00 mL 5.00 mL 7.50 mL 33.3 mL

asked by Kristen on September 3, 2013
40. ## Physics

Does the medium in which a wave travels move along with the wave itself. I think the answer is no, but why?

asked by sh on February 9, 2010
41. ## algebra

I was wondering what the answer to this is. (x-7)3 3 means it is cubed i workedit out but i was wondering what it might be.

asked by justin on April 20, 2010
42. ## art

propaganda is always negative. true or false my answer false

asked by plese help on March 5, 2019

I studied my history lesson. should the H in history should be captilized or not?? need answer thank you.

asked by mirecale on April 20, 2010
44. ## Algebra correction

The last one which you were asking where the b came from I typed the wrong problem sorry. the problem is 49-a^2b^2 Is the answer: (7+ab)-(7ab)

asked by Rae Rae on April 5, 2009
45. ## Math

Simplify each expression (-216)^1/3 My answer is 1/6. Am I correct. (x^4y)^1/3 (xy^4)^2/3 I do not know how to simplify this.

asked by Hannah on September 6, 2010
46. ## Algebra

how to find th equation that passes though (1,3) and (8,5) is there a formula to find the answer>

asked by Francisco on January 20, 2015
47. ## Algebra II

Solve log2(7x-3)>= log2(x+12) My work: 6x=15 x=15/6 x-5/2 so my answer would be: x>= 5/2 Is this correct?

asked by Lucy on March 29, 2008
48. ## math/multiplying decimals

I know how to multiply ,but i have to use it in a model. 0.2 x 0.7 the answer is 1.4 show my how to use a model to solve.

asked by neka on August 24, 2010
49. ## Algebra

Simplify the root. The square root of (-x)^14. Why is the answer the absolute value x^7?

asked by Jay on April 18, 2012
50. ## Math

For how many values of n where n is a positive integer less than 10 is n+1/2 an integer? A) None B) One C) Three D) Four E) Five Please I would like some help explaining how to get the answer :)

asked by Ellie on September 24, 2014
51. ## Math

What is the correct description for the translation of A to A? (10,3)-> (1,6) right 9; up 3 left 9; down 3 right 9, down 3 left 9; up 3 I think the answer is right 9;up 3

asked by Lost on April 1, 2015
52. ## college algebra

previous question, can hannah xx please explain how she got the answer to that question

asked by Joe on March 8, 2009
53. ## Algebra

I don't know which is which y=(x+9)^2-3 I know it is all real numbers, but i don't know if my answer should be [-3,00) or (-9,00) Can some one explain this?

asked by Lori on March 29, 2008
54. ## math

a-x=1 b+1=x ab=? a. x^2-1 b. x^2 c. (x+1)^2 d. (x-1)^2 e. X^2+1 I don't know how to do it, any body can answer this question and step by step tell me how to do it, thank you

asked by thomas on April 23, 2014
55. ## Algebra

Which property is illustrated? 2x(6) - (6)2x My answer is Commutative Property of Multiplication

asked by Faye on August 23, 2014
56. ## Algebra

So in an equation if there is an alphabetic entity the equation is open? My answer is yes

asked by Steve on August 27, 2014
57. ## Grammar

Select the correct sentence: A) For who did you vote? B) For whom did you vote? My answer is B

asked by Marie on November 28, 2012
58. ## Algebra

Which property is illustrated? (7p)mn - 7p (mn) My answer is Associative Property of Multiplication

asked by Faye on August 23, 2014
59. ## math

what is the sum of 4xdollers and 4x cents?explain your answer in cents

asked by sana on July 22, 2012
60. ## physics

Express 10 to the negative 7 meters into nanometers. Answer in nanometers.

asked by Jackie on September 18, 2011
61. ## Calculus

2. Determine the minimum value of the function f(x)= e^(-x) - 2e^x on the interval -1≤x≤2. Answer is minimum value 7.12?

asked by Jessica on March 6, 2012
62. ## math help

The average of 2P, 3Q, and another number is S. Represent the third number in terms of P,Q,and S. A. S-2P-3Q B. S-2P+3Q C. 3S-2P+3Q D. 3S-2P-3Q E. S+2P-3Q not just answer,please

asked by Tomas on August 14, 2013
63. ## precalc sequence

5-5^2 = 5-25 =-20 The fifth term is just when n=5 I believe. What is the fifth term of the sequence a sub n=5-n^2? a)-11 b)-20 c)-7 d)-5 I believe that the answer that fits the best is d, but I could be wrong

asked by Rom on March 8, 2007
64. ## maths

asked by buhlalu sibonginkosi on March 25, 2017
65. ## trinomial

I need this answer. Which trinomial is a perfect square trinomial? A.)X^2-4x+10 B.)x^2+6x+9 C.)x^22x-4

asked by Mz. Swagga on May 17, 2010
66. ## English

1. How heavy is he? 2. He is 48 kg. 3. He weighs 48 kg. (Is the question correct? Can we answer the question like #2 and #3?)

asked by John on June 17, 2009
67. ## Math

A.B a decimal. IF the average of A and B is the decimal A.B, how much greater is A than B? Answer Choices a. 18 b. 20 c. 24 d. 30

asked by Galixia on March 24, 2017
68. ## English

True or False? Adverbs often answer the questions: where, when how, how often. True???

asked by Keen on April 5, 2010
69. ## algebra

Considering the following equation: 4y + 7x = -23 I have to solve the equation for y, but I can't use mixed numbers in my answer.

asked by Anonymous on October 15, 2011
70. ## math

what is 78 times 36 i don`t get it it`s hard!!!!!! 2808 right the answer is 2808

asked by alex on September 25, 2006
71. ## Algebra

Given A = {0, 3, 5, 8, 9}, B = {1, 2, 3, 6, 7, 8}, C = {0, 1, 4, 6, 7}, and the universal set U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, what is the complement of set B? Is the answer A? Choices A. 0, 4, 5, 9 B. 1, 2, 4, 6, 7 C. 2, 3, 5, 8, 9 D. 1, 2, 3, 6, 7

asked by Mary on May 15, 2011
72. ## CALC

Evaluate the integral: the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this answer is incorrect. Please help. Thanks

asked by Kristina on November 17, 2010
73. ## Algebra

Please check my answer The domain of the following relation: R: {(−4, 8), (8, 10), (5, 4), (1, 6), (5, −9)} is a. {8,10,4,6,-9} b.{-4,1,5,8) c. {-4, 8, 5,1,5} d. no domain exists I think that it is A, Am I right? Thanks

asked by Lucy on October 30, 2015
74. ## algebra

is there even a solution to this problem: x^2 − 10x + 20 = 0 I think this answer is no solution , please confirm I am right...

asked by Anonymous on October 21, 2013
75. ## English

1, How does she look? 2. What does she look like? 3. How does she feel? 4. What does she feel like? - She looks surprised. (What is the suitable questions for the answer?)

asked by rfvv on September 18, 2011
76. ## College Math II

(4 + sqrt(3)^2 = I am not sure how to follow the steps to come up with the answer. Can someone help me understand the steps. Thanks.

asked by Lori on November 21, 2009
77. ## Grammar

Select the correct sentence: A) Whose life is it? B) Who’s life is it? My answer is A

asked by Marie on November 28, 2012
78. ## Algebra

Plz help me! -12 divided by 3 •(-8 + (-4)^2 - 6) + 2 My teacher said the answer should be -6. But I don't know how to get to it. Plz Help!

asked by Salted Caramel on September 9, 2015
79. ## Math

Change 444 into a decimal. Can i change it? Its suppose to answer YES or No

asked by Sierra M. on July 6, 2012
80. ## How do you properly distribute?

Can someone please show me (STEP BY STEP!!!!!!!!!) how to properly distribute the following: 2 + 1/7 [x - (x+6 / 7) - 2] This is what I have: = 2 + 1/7 ( x -x-6/7 -2) = 2 + (x - x - 6 - 2 / 49) = (98 + x - x - 6 - 2) / 49 = 90/49 But the answer is: 6x + 78

asked by Anonymous on November 28, 2007
81. ## Math

Solve for the inequality: 1/3^x (1/3^x - 2) < 15 I know the answer is x > - (log 5/log 3), can someone explain me how?

asked by Jam on May 10, 2014
82. ## math help

asked by jessica =] on October 3, 2006
83. ## math

simplify the radical radical symbol with 44 as the index with (x + 4)^44 would the answer be! x + 4

asked by jennifer on October 15, 2008
84. ## maths

What is the sum of 4x dollars and 4x cents. Express your answer in cents .

asked by Bobby on July 16, 2015
85. ## Algebra

Please check my answer Compute the following: h(x)=x^2 + 1. h(h(h(3))) h(101)=101^2+1=10202

asked by Joe on February 26, 2019
86. ## Math

Can someone please walk me through this? i don't want the answer..........just a walk through. Quiz tommorrow. 2 + 5(9x - 6) = 14

asked by Bryce on August 24, 2011
87. ## Math

-6-7(c+10) A: 64-7c B: -76-7c C: 4-13c D: -16-13c We're suppose to simplify the expression can you help me? i think the answer is B

asked by Boricua on December 18, 2015

Logarithmic differentiation f(x)=(2x-1)^-2 (x+3)^4 at x=1 f'(x)= -2*2/2x+1 + 4*1/x+3 [(2x-1)^-2)(x+3)^4 and then I plug in 1. I am having trouble getting an answer when I plug in 1.

asked by Hannah on April 30, 2011
89. ## Math

If 2a = 3b, 1/3c = 6b^2, and b > 0, what is c in terms of a? The answer choices are: (A) 8a^2 + 6 (B) 8a^2 + 12 (C) 12a^2 + 6 (D) 18a^2 + 6 (E) 18a^2 + 12 Thank you!

asked by Heather on August 4, 2014
90. ## Calculus

Evaluate the integral: the integral of [5e^(2t)]/[1+4e^(2t)]dt. I used u sub and let u=e^2t and got 5/2arctan(e^2t)+C. But this answer is incorrect. Please help. Thanks

91. ## calculus I integral

Is this correct? Evaluate 2x∫1 3t(t^2 + 1)^2 dt u= t^2 + 1 du= 2t dt 1/2du=tdt 2x∫1 3u^2 1/2du 3/2 2x∫1 1/3u^3 + c 3/2 [1/3 u^3] 3/2(1/3(2x)^3) - 3/2(1/3(1)^3) Answer= 4x - 1/2

asked by John on May 13, 2010
92. ## algebra

I need help breaking down the steps to solve HELP ME PLEASE solve with an exact answer. x^2 + 2x - 8

asked by becca on January 17, 2012
93. ## Pre Calc

sin^2(x) - cos^2(x) = 1 + cos(x) the answer is equal to or greater than 0 and less than 2 pi

asked by Tanya on January 10, 2010
94. ## Math

Six less than the product of four and a number is less than 0.5 times the opposite of the number My answer 6-4n< 0.5/n

asked by Kent on February 4, 2015
95. ## Algebra

Can someone please help me with this? I'm not looking for the answer, just a detailed explanation on how to solve this. Thank you in advance. Solve: 16(t - 1) + 10 > 8(t +2) + 4(t - 1) + 4t

asked by Lace on April 3, 2011
96. ## Algebra

I have two questions: first question is : [ 8(6-1)-1]-[2-(5-2)] i got 40 as my answer is this right? And second question is -y + - 80 an equivalent expression to -(y+80)? Because I got -y + - 80.

asked by A.W. on February 1, 2009
97. ## math

I need to know how to factor the following expression: x^6 - y^6 The teacher said that the answer is (x+y)(x-y)(x^4+x^2y^2+y^4) I need to know HOW to factor this. Does it have anything to do with making x^6 = (x^2)^3??

asked by Corey on December 11, 2008
98. ## math

what is the answer when you order the common fraction 4/7,1/2 and 2/9 in ascending order?????????????????????????

asked by ashley on January 17, 2016