# 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 427
1. ## math

If n is a positive integer, then what is the value of (2/3)^n (1 1/2)^n-1? for positive integer n? Express your answer as a common fraciton?

asked by equationhelps on January 30, 2015
2. ## science

Contact lenses improve lives. Contact lenses are an example of what? Is the answer physics?

asked by Miai on September 16, 2013
3. ## maths

i am thinking of a number i multiply it by 8 and subtract 163 i would get the same answer if i multiply by 3 and subtract 13

asked by kaitlin on April 6, 2015
4. ## math

Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent". 7/22,2/5,9/24

asked by anonymous on March 16, 2011
5. ## Math

For every 7 boys on a softball team there are 2 girls. What is the ratio of girls to boys? 7:2 my answer is the right

asked by Johnnie on March 13, 2019
6. ## math

Is the following statement true or false? Explain your answer without just saying true or false. Use an example in your explanation. ãa + ãb = ã(a+b)

asked by Anonymous on October 27, 2011
7. ## ap world history

What was the nature and extent of the Umayyad Empire? How do you answer this question? What's an empire's nature? HELP PLEASE!

asked by Daniela on December 13, 2012
8. ## English

1. What was the old man like? - He looked mean. 2. What did the older man look like? - He looked mean. (Which question is suitable for the answer?)

asked by rfvv on August 25, 2014
9. ## Chemistry- sig figs

0.2748 Is my answer and the problem is sig figs... The question have two sig figs so would it be .27 or .28?

asked by Asher on February 2, 2015
10. ## math,correction

i am really trying is this correct. solve: 5(x-2)^2 = 3 MY ANSWER THAT I GOT IS: X = 2 +- (SQRT (3) )/(5) no. 5(x-2)^2 = 3 (x-2)^2 = 3/5 x-2 = +- sqrt (3/5) x= 2 +- sqrt (3/5) so the whole fraction of 3/5 is inside the sqrt yes

asked by jasmine20 on April 15, 2007
11. ## Math 2

Two friend share1/2 of a pineapple equally. What fraction of a whole pineapple does each friend get? Please answer

asked by Jenny 2 on May 13, 2014
12. ## maths

The mass of 42 books is 8,4 kg.what is the mass of 12 of these books.give me an answer in a written ratio

asked by bamogopa on February 21, 2013
13. ## Chemistry

A student prepares a 0.28 M solution of acetic acid. If the Ka of the acid is 1.76 x 10^-5, then what is the pH of the solution? 4.76 0.55 5.31 2.65 I got 2.65 as my answer. :)

14. ## English Expression

When is your birthday? It is April 18th. It is on April 18th. Which answer is correct? Are both OK? Which one is popular?

asked by John on April 18, 2008
15. ## Geometry

A line has a slope of 2 and passes through the point (4,0). What are the coordinates of another point that is on the line? (0,2) (2,0) (6,4) (4,6) My answer: (0,2)

asked by Nicole on January 14, 2016
16. ## social studies

what are Canada's natural resources and what are japan's natural resources?Please answer this question.Thank you:):):):):):)^-^ ^-^ ^-^ ^-^

asked by binah on May 3, 2010
17. ## Analytic Geometry CHECK MY ANSWER

What is the slope of the line that passes through the points (2, 3) and (2, 6)? Option A: -3/2 Option B: -3/4 (MY ANSWER) Option C: 3/4 Option D: 0

asked by Sara on October 3, 2014
18. ## spanish

which is the correct answer??? "Sarits y yo (preparan/preparamos) la leccion." Is is preparan or preparamos and why?

asked by cameron on January 4, 2013
19. ## math

asked by kamil on December 21, 2016
20. ## Calculus

How would I set this up in my calculator? Let F(x)=∫ ln(t^2) dt where a= 1 and b=3x . Use your calculator to find F"(1). I set it up and I got way the wrong answer. I got 2ln(1)=0

asked by Henry on February 21, 2016
21. ## math please check and help!!!!

what is the vertex and line symmetry for f(x)=1/2(x+8)^2+4 and what is the max/min value of f(x)? Is the answer for the vertex (8,4) is the min value of f(x) (-8,4)

asked by Katelynn on August 29, 2010
22. ## Grammar

Select the correct sentence: A) She is younger than he and I. B) She is younger than he and me. C) She is younger than him and I. D) She is younger than him and me. My answer A I feel like C could be the right one also

asked by Marie on November 28, 2012
23. ## Grammar

Select the correct sentence: A) She was a well developed female. B) She was a well-developed female. my answer is A

asked by Marie on December 12, 2012
24. ## Math Help!

Which proportion can be used to solve the following percent problem? What is 50% of 70? A. x/70=50/100 B. x/50=70/100 C. 50/70=x/100 D. 70/x=50/100 Is the answer B? Thank you

asked by Callie on November 24, 2014
25. ## medical Terminology

asked by debbie on February 28, 2016
26. ## math

consider the functions f(x)=2x-8 and g(x)=x/2+4 (a) Find f(g(x)). (b) Find g(f(x)). (c) Determine whether the functions f and g are inverses of each other (a) What is f(g(x))? Simplify your answer

asked by candice on May 2, 2017
27. ## Math HELP!

One leg of a right triangle measures 15 m and the hypotenuse measures 17 m. What is the measure of the other leg? A. 22.67 m B. 8 m C. 32 m D. 5.66 m Is the answer A? Thanks

asked by Anonymous on October 22, 2014
28. ## social studies

what are Canada's natural resources and what are japan's natural resources?Please answer this question.Thank you:):):):):):)^-^ ^-^ ^-^ ^-^

asked by binah on May 3, 2010
29. ## math

What are algebraic models? There's a problem and it says to use an algebraic models to answer the questions. I don't know what those are?

asked by lily on October 13, 2009
30. ## Check my answer plz!!

which shows 3x+6y=-12 in slope-intercept form? option a: y=-1/2x-2 option b: y=-2x-12 option c: y=1/2x-12 option d: y=2x-2 my answer is; a

asked by Olive on October 8, 2013
31. ## math

one fourth of the students earned A's. There were 280 students. How many earned A's? I got 70 for the answer but what is the percentage for that? Would it be 70%?

asked by Trevor on February 7, 2011

Sam's credit card balance is less than -\$36. Does Sam owe more or less than \$36? The answer he owe more than \$36.

asked by lindsey on September 2, 2014
33. ## chemistry

what is the molarity of a HCl solution that contains 13.0 g of HCl in 125 mL of solution? Answer in units of M

34. ## Geometry

If two game boards have the same area, are the game boards congruent? Explain your answer

asked by Anna on January 15, 2011

asked by Anon on May 4, 2016
36. ## math

In a class of 36 students, 13 were absent on Friday. What percent of the class was absent? Is the answer 36 1/9?

asked by Hector on October 20, 2009

Find the center (h,k) and radius of the following circle. x^2 + y^2 - 6x - 2y + 1 = 0 My answer is center= (-3,-1) and radius of 1. Am I correct?

asked by Hannah on October 6, 2010
38. ## math

sorry for reposting but i need an answer how would you write 565 nm as a decimal how would you write 590 nm as a decimal

asked by bobby on December 28, 2009
39. ## SCI

I need help with the answer to these Questions. What does unicellular mean? What does multicellular mean? Identify some unicellular and multicellular organisms.

asked by Dabbing Queen on September 26, 2018
40. ## Science

What is the product of NaC2O4 and Ag+? A. NaC2O4 and Ag+ do not form a product. B. AgNaC2O4 C. Ag2C2O4****** I think the right answer is C...please let me know.

asked by Cassie on October 30, 2014
41. ## Trigonometry- ??????

If vector a= (10,10) and vector b= (4,5) then ||a+b|| ≠ ||a|| + ||b||. Explain. I don't understand what this question is exactly asking, and I'm not sure how to answer it. Please explain. Thank you very much!!!

asked by Elena on December 18, 2015
42. ## Chemistry

I am working on a problem that was posted January 20. Can someone help? I posted an answer to the problem requesting help.

asked by amy on October 14, 2008
43. ## Math

6.Use a proportion to solve the problem 31% of 70 x/100 = 31/70; 43.66 x/71 = 31/100; 22.01 x/31 = 71/100; 0.22 71/x = 31/100; 229.03 I'm not too sure what the answer is here...

asked by Anonymous on December 10, 2018
44. ## math

what will i answer if the question is " identify the symmetry" is it even/odd FUNCTION or Even/odd SYMMETRY?

asked by grace on September 15, 2011
45. ## math help?!

If sin(Θ)=-5/8 and 180° < θ < 270°, what is the value of cos(θ)? −sqrt39/64 -sqrt39/8 **my answer sqrt39/64 sqrt39/8

asked by maple on May 16, 2017
46. ## math

A money bank has twice as many nickels as dimes. There is exactly \$2.00 in the bank. How many nickels are there? Can you answer this and show me how you got it?

asked by Kelley on December 13, 2016
47. ## English

1. In grade seven, what did he become? 2. In grade seven, what did he become of his school? 3. He became the captain of his school. [#3 is the answer either #1 or #2. Are both answers correct? Which one is the better of the two?]

asked by rfvv on January 26, 2018
48. ## math

The least common multiple of two numbers is 60, and one number is 7 less than the other number. What are the numbers? Justify your answer.

asked by Anonymous on September 7, 2014
49. ## math

When m is divided by 7, the remainder is 2. What is the remainder when 4m is divided by 7? Please give me an explanation and not just the answer! Thankss:)

asked by Jennifer on July 20, 2011
50. ## Chemistry

Could a Bronsted-Lowry acid not be an Arrhenius acid? Explain. Could someone explain the answer to me?

asked by Ana on May 24, 2010
51. ## Math

Please check my answer.. Find a point E on segment CD such that the ratio of segment CE is 5/8 C is placed on (-9) and point D is placed on 7. A. -8 B.-1~~~ C. 1 D. -3

asked by Mira on September 26, 2016
52. ## Math

123 is what percent of 321? 321/123=2.609756098 which rounds to 2.6% 2.6%= answer

asked by Karima on April 22, 2017
53. ## English

1. What is the English word for Gungjeon? 2. It is palace. 3. It is a palace. 4. It is 'palace'. 5. It is 'palace.' [Which answer is grammatical?]

asked by rfvv on November 20, 2017
54. ## Math

What strategies do you use when converting a fraction to a decimal or a decimal to a fraction. (Essay answer) Help Thanks

asked by ♡school lover♡ on November 9, 2018
55. ## Algebra

How would you write the number 11.836 as mixed number, and how would you write it as a decimal. Please help answer thanks

asked by Ms. Liz on October 9, 2014
56. ## chemistry

Gasoline sold in Ontario must contain at least 5.00% v/v ethanol? How much gasoline contains 1.50 L of ethanol? my answer is 22.5 ml is this correct

asked by dana on December 16, 2014
57. ## math

The least common multiple of two numbers is 60 and one of the other number is 7 less than the other number what are the numbers justify your answer

asked by melanie on September 3, 2014

Could a Bronsted-Lowry acid not be an Arrhenius acid? Explain. Could someone explain the answer to me?

asked by Ana on May 24, 2010
59. ## Math

Divide. Write the answer in simplest form. 8 1/6 divided by 2 1/24. I got 4 5/6 is this right? If so what's the simplest form.

asked by Anonymous on October 13, 2014
60. ## Spanish

What is the most appropriate answer to the following question? "Adonde va Emma?" a. Vas a la casa. b. Va a la casa.*** c. Va al casa. d. Va a el casa.

asked by Kaai97 on January 5, 2016
61. ## Algebra

v-6

asked by steph on January 7, 2007
62. ## Math

Write an equation for the line that passes through (0,7) and is perpendicular to the line whose equation is y=1/2x-1. y-y1=m(x-x1) y-7=2/1(x-0) y-7=2x-0 y=2x+7(answer)

asked by Jon on February 25, 2008
63. ## math

Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer) Responses

asked by nonna on November 15, 2008
64. ## calculus

Calculate Integrals: x= 2 cos â - cos 2 â -1, y= 2 sin â - sin 2 â? I need the procedure. The answer is: 6ð Thank you!

asked by Terry on May 14, 2010
65. ## math

About 47 years to about 77 years. Find the percent of increase to the nearest percent. would the answer be 64%?

asked by lilly on November 10, 2010
66. ## algebra 2

simplify 27^(-(2)/(3)) I know the answer is 1/9 but I don't understand how to solve it. I looked it up but I still don't understand. HELp!!

asked by high on November 26, 2017
67. ## Math

Use the data set {-100, -99, -98, ........-2, -1} to answer the following question. The data set has a first quartile of?

asked by Chrissy on November 6, 2010
68. ## math

write a problem with lengths in feet using the numbers 29 and 56. write the answer to your problem.

asked by Jim on May 29, 2014
69. ## Math

Is 4000 cups < 400 qt? Here is my answer 400 quarts = 1600 cups.

asked by Kelly on January 10, 2016
70. ## math

5 times the square root of 12 is the square root of what number? How do I find this answer? Thanks!

asked by Alyce on December 5, 2012
71. ## Physics

The maximum current in an AC circuit is 3.0 Amperes. What is the rms value of the current in the AC circuit? 0.5 A 2.1 A 3.0 A 4.2 A My answer is 2.1A.

asked by La La on October 19, 2012
72. ## physics

What is the acceleration if change in velocity is 1.2 m/s and the time interval of this change in velocity is 8.25 s? (Your answer will be in m/s^2)

asked by Anonymous on April 9, 2013
73. ## algebra

Help, Can anyone show me how to do the formula to solve these equations? 4x-5y=38 7x-8y=-22 If you can show me the right way to solve, I do not understand how to get the answer.

asked by James H. on September 18, 2010
74. ## math

Evaluate ( ˉ 6³) + 0 ( ˉ2)² Choose the best answer from the options below: A 200 B -200 C 216 D -216

asked by makeeda on May 20, 2011
75. ## Math

Could someone please help me with this problem? I need to solve -5/2x greater than or equal to -7/4. Here is the answer that I got but I 'm sure that it is not correct. x greater than or equal to 35/8. Thanks.

asked by B.B. on April 6, 2010
76. ## Probability

Suppose P( A given B)= .6, P(at least one of the two events occurs)= .8, and P(exactly one of the two events occurs)=.6. Then P(A) is equal to? The answer is 2/3. Could someone please explain how to get it. Thanks so much!

asked by Conor on October 13, 2012
77. ## English

1. Why did Bill get sick? 2. Because the boat rocked so much. 3. The boat rocked so much. (Which one is better as the answer to the question? Are both OK?)

asked by rfvv on July 4, 2010
78. ## Algebra

(5)^-1/2 * (5x)^5/2 (5x)^-3/2 Simplifies to 1/5 * ã5x^5(1/ã5x^3) My final answer is x/ã5 is that correct?

asked by Jane on August 21, 2015
79. ## math

kevin correctly answered 75% of 32 questions . how many questions did kevin answer correclty

asked by quayon on April 8, 2018
80. ## SOCIAL STUDIES

asked by Happy Face on February 4, 2010
81. ## Education

What is the prevalence of diagnosed learning disabilities across the U.S.? A) 1-3% of students B) 3-9% of students C) 10-15% of students D) 15-20% of students I think the answer is C, is this right?

asked by Lor on September 24, 2013
82. ## algebra

3 index square root 81 I got the answer 3 3index square root 3 is this correct?

asked by julie on February 28, 2011
83. ## math

Explain if this is a true statement 56

asked by larrenzia on January 3, 2011
84. ## math...

Graph.. the circle is on 2 and is an open circle. Which inequality matches the graph? A. 6w+6>18??? B. 6w+6>=18 C. 6w-6>18 D. -6w+6>14 The answer is A right?

asked by Anonymous on September 25, 2014
85. ## alGEBRA 1

how many minutes are there in 10 days? show work i know the answer but i don't get how to show work?

asked by algebra 1 on September 1, 2015
86. ## Algebra

Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y = –3/4x+2 3x-4y=-8 A.parallel B.perpendicular ( my answer) C.neither

asked by A child on December 13, 2018
87. ## Math

You answered 85% of the questions on the quiz correctly. What fraction of the questions did you answer correctly?

asked by Zero on January 13, 2015
88. ## Chemistry

Answer the following questions about the characteristics of the elements in Group 2 (the alkaline earths). How do they react with iodine? How do they react with water? How do they react with oxygen? Which reacts the most vigorously? Which element in the

asked by Help on February 5, 2014
89. ## Chemistry

Answer the following questions about the characteristics of the elements in Group 2 (the alkaline earths). How do they react with iodine? How do they react with water? How do they react with oxygen? Which reacts the most vigorously? Which element in the

asked by Stacy on February 5, 2014
90. ## Chemistry

For the formation of ammonia, the equilibrium constant is known to be 5.2 × 10^−5 at 25◦C. After analysis, it is determined that [N2] =3M and [H2]=0.8M, both at equilibrium. How many grams of ammonia are in the 10L reaction vessel at equilibium? Use

asked by Sara on April 27, 2014

What was the nature and extent of the Umayyad Empire? How did the Abbasid Empire differ from the Umayyad Empire? What were the achievements of the Arab phase of Islamic development ending in 750? I just want to know how they want me to answer these

asked by Nina on July 2, 2011
92. ## Chemistry

At a certain temperature, the Kp for the decomposition of H2S is 0.832 H2S (g) H2 (g) + S (g) Initially, only H2S is present at a pressue of 0.121 atm in a closed container. what is the total pressure in the container at equilibrium? Please tell me how to

asked by Kylie on March 9, 2012
93. ## math

Sarah's parents are filling their swimming pool. She wants to know how long it will take. What unit is best used to give the rate of the water flowing into the pool? Her pool is 22,000 gallons. What unit will the answer to her question be answered in?

asked by roberto on April 29, 2014
94. ## MATH

The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its maximum at x= pi and its minimum at x=3pi. which of the following could be the equation of the function? A) f(x)=4 cos x/2-3 B) f(x)=4 sin x/2-3 C) f(x)=4 sin 2x-3 D)

asked by Benji on March 7, 2018
95. ## Grammar

There is a tube overlying the pelvis in the midline, degenerative changes are also noted in the lumbosacral spine. fragment run-on comma splice complete sentence Answer: comma splice (should be a word after the comma.) Thanks - appreciate the help.

asked by Leslie on May 9, 2011
96. ## history

After Hitler came to power in 1933, he blamed Germany's defeat in World War I on A. Communists and Socialists. B. Jews and Gypsies. C. Communists and American imperialists. [D. Jews and Communists.] is my answer correct

asked by jake on December 12, 2011
97. ## MATH

The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its maximum at x= pi and its minimum at x=3pi. which of the following could be the equation of the function? A) f(x)=4 cos x/2-3 B) f(x)=4 sin x/2-3 C) f(x)=4 sin 2x-3 D)

asked by Benji on March 6, 2018
98. ## Physics

A cheetah running at 30 m/s is pursuing a zebra going in a straight line at 14 m/s. If the zebra has a 35 m head start, how much time does it take for the zebra to catch up? (Please show all work. I know the answer, but I need the step by step instruction

asked by Daniel on January 30, 2012
99. ## Human resource

Can someone explain me this question: explain how and to what extent THE CONCEPT OF PEOPLE HAS CHANGED OVERTIME ,HENCE,HIGHLIGHTING THE EVOLUTION AND GIVING PRACTICAL EXAMPLES TO ILLUSTRATE YOUR ANSWER. am new to this module and can someone pls explain

asked by pallavi on February 20, 2012
100. ## Chemistry

At a certain temperature, the Kp for the decomposition of H2S is 0.832 H2S (g) H2 (g) + S (g) Initially, only H2S is present at a pressue of 0.121 atm in a closed container. what is the total pressure in the container at equilibrium? Please tell me how to

asked by Jerry on March 9, 2012