Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,766 questions, page 398
1. science

An illness caused by a protist is protozoa? True or False My answer is true am i correct?

asked by Visa on April 9, 2015
2. Chemistry (science)

I don't know how to answer this. An aqueous solution of glucose has a freezing point of -0.37. What is the concentration of the solution?

asked by Camela on August 26, 2012
3. ALGEBRA

A student is asked to answer 7 out of 13 questions on an exam. In how many ways can she select the questions to be answered?

asked by Demie on May 27, 2012
4. ALGEBRA

A student is asked to answer 7 out of 11 questions on an exam. In how many ways can she select the questions to be answered?

asked by Demie on May 27, 2012
5. Physic

How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C? Answer in J.

asked by Renee on April 6, 2014
6. Math

Solve the equation on the interval [0, 2π). cos x + 2 cos x sin x = 0 would the answer be 7pi/6 , 11pi/6 ?

asked by Liz on May 23, 2016

show all of the algebraic steps in finding lim x->0 (sin2x)/(2x-tanx) I know the answer is 2 but I need the steps thank you!

asked by Uygur on April 7, 2014
8. Mathematics

1.What is 10^3 written in standard form 10 100 1,000 10,000 Please check this, my answer will be the third choice

asked by Valerie on September 22, 2017
9. Organic Chemistry

C5H11Cl How many possible isomers exist for this compund. I got five but the answer is 8. Is there any formula for calculating the number of isomers?

asked by McKay on September 15, 2007
10. Chem:DrBob

Thank you for the informative answer yesterday. I hope you can help me with this one too. Thanks S(subscript 8) + O( subscript 2) -> SO3 Could you explain why it O3 when S valence is -2? Thanks

11. Math

Evaluate the limit using the appropriate Limit Law(s). (If an answer does not exist, enter DNE.) lim t → −1 (t2 + 1)^4(t + 3)^5

asked by Miguel on April 21, 2019
12. math

Write the following as a common fraction or mixed number. Write your answer in lowest terms. 0.44

asked by Sandy on June 21, 2009
13. Chemistry

How many molecules (not moles) of NH3 are produced from 1.17×10−4g of H2? Express your answer numerically as the number of molecules.

asked by Brittany on April 14, 2015
14. Chemistry

How many grams of H2 are needed to produce 11.80g of NH3? Express your answer numerically in grams.

asked by Brittany on April 14, 2015
15. Chemistry

Which one of the following cobalt complexes should be the most stable? a. [Co(NH3)6]2+ b. [CO(NH3)6]3+ c. [Co(en)3]3+ d. [CoF6]3– I think the answer is c, but not really sure. Can Dr.Bob explain ? Thanks

asked by Swaastikaa on May 20, 2012
16. Math

What is the approximate volume of a sphere with a radius of 7.16 cm? Use 3.14 to approximate pi and round your answer to two decimal places.

asked by Aspen on February 25, 2015
17. Precalculus 11

(6a^2-15a)/(6a-15a^2) (3a(2a-5))/(3a(2-5a)) Multiply top & bottom by -1 -(5-2a)/(5a-2) is that correct? I have an answer here that's -(2a-5)/(5a-2) but I don't understand how to get there... Thanks :)

asked by Kayla on August 13, 2017
18. Math

I'm trying to perform the indicated operations, and reduce to lowest terms, but I'm not sure if I got the correct answer. The question is y-5/(x^2+5x)+(xy+5y) + 1/x+y - 2/x+5....I got y-6, but am not sure if that is correct.

asked by Matt O. on March 23, 2010
19. Calculus

Estimate the area under the curve f(x) = x2 + 1 from x = 0 to x = 6 by using three circumscribed (over the curve) rectangles. Answer to the nearest integer.

asked by Shane on March 15, 2016
20. Math

Solve for x. .006x^3=8889 x = approx 114, but I don't understand how to get that answer. Can anyone help me solve? Thank you!

asked by Francesca on June 7, 2012
21. math

Determine whether the statement is true, false, or sometimes true. Provide an example to justify your answer. If both x and y are integers and x > y, then x^2 > y^2.

asked by jessica on July 20, 2009
22. math

Solve the system 6x+4y = 12 9x+6y = 18 If the system has infinitely many solutions, express your answer in the form x=x and y as a function of x x=? y=?

asked by Jillian on September 3, 2009
23. English

Hello. Thank you for your answer. Please help me with one more question. Which is correct in the following context: "She was reading a book which was bought / had been bought in the morning"? Thank you very much.

asked by Ilma on May 10, 2016
24. Sociology

What are the implications of a dual relationship? I don't need the answer, I just need to know what the question means by "implications". Like consequences??? Thanks

asked by Bee on July 18, 2012
25. math

Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)^2 Problem #2 i^3 - i^2

asked by Dawn on February 9, 2010

Math has a 150 page book. he has read 1/3 of it. How many pages has he read so far? Is 50 the correct answer?

asked by Hayley on December 15, 2008
27. math-functions starting

-3f(x-4)=x^2 i have no clue what to do with the -3 in front of the f. please explain step by step as to how to do this question the answer in the back is -3x^2+24x-48

asked by just wondering on February 9, 2010
28. math

1 side of the square is 0.25 KM is the area of the square 6.25 KM squared? true or false? explain your answer

asked by lolol on May 6, 2016
29. Physics

If 2.0 J of work is done in raising 180 g apple how is it lifted? Please if you answer, do it step by step. Thanks in advance.

asked by Daniel on October 24, 2010
30. Math

How many ways can 9 cars be parked in a row of 9 parking spaces? Answer: 81 ways Is this correct? Thanks for your help.

asked by B.B. on August 6, 2009
31. chemistry

How do you name this acid? HClO2 I found the answer but now I need to know N2F4. chlorous acid dinitrogen tetrafluoride

asked by Carter on December 16, 2006
32. Math

What is the ratio of the surface area for a pair of cylinders when the ratio of the height is 1:3? A) 1:4 B)1:9 C)1:1 D) 1:27 My answer is D) 1:27. Is this correct? Thanks.

asked by B.B. on September 6, 2009
33. Language

Is the sentence correct? We saw our Dentist at the park on Saturday. Answer: I think dentist doesn't need to be capitalized

34. History

I have to answer these questions about a topic: What is it? Why is it important? My topic is: The US and Haiti in the 21st century. Any ideas?

asked by Kelsie on June 13, 2012
35. Algebra

Is 4X - 3 = 19 true false open My answer is true because only one number can satisfy both sides of the equatuion

asked by Faye on August 25, 2014
36. math, beginning algebra

can someone correct this for me. Directions: Solve each literal equation for the indicated variable. 2x + 3y = 6 (for x) Linear Equation My answer: X = 3-1.5y yes.

asked by jasmine20 on December 20, 2006
37. MATH

Complete the statement using the given property. 6 x (4 x 7) = Associative property of multiplication then the answer would be (6x4)x7=168?

asked by A on September 5, 2009
38. MATH

Complete the statement using the given property. 6 x (4 x 7) = Associative property of multiplication then the answer would be (6x4)x7=168?

asked by A on September 5, 2009
39. math

Sandy is 5.3 feet tall. How many centimeters tall is she? Round your answer to the nearest tenth.

asked by Alberto on June 26, 2012
40. AP Chemistry

What volume of 6.48 M HNO3 is required to prepare 301 mL of a 1.2 M HNO3 solution? Answer in units of mL.

asked by Anonymous on October 24, 2010
41. Chemistry

Hcl is given 38percentage by mass with density 1.1 0 gml what is the molarity and molarity give answer

asked by Jeniruth on June 18, 2017
42. English

How long does it take to get there? 1. It takes 40 minutes. 2. It does take 40 minutes. ========================= #1 is right. What about #2? If a kid writes '#2' as an answer to the question, do we have to make it right or not?

asked by rfvv on May 7, 2015
43. history

I don't understand "What is the Third Estate?" by Abbe Sieyes. I am supposed to answer some questions on it, but i don't know how i can do that when i am not sure what he is saying.

asked by blue on April 18, 2010
44. Science : Physics

Will an object accelerate if the forces are balanced? Why or why not? I know that the answer is that it will not accelerate but I'm having a difficult time explaining why.

asked by Morgan on June 17, 2016
45. Discrete Math

So, the question I got was: ∀x,(x =/= 0) → (∃!y, xy = 1) I'm really confused about what the "∃!y" means in this context, because the way I'm interpreting the question is: "For all x (when x is not equal to 0), there does not exist a y such that x*y

asked by N on February 18, 2015
46. Algebra

Solve each inequality algebraically:how do I solve this problem? What is the answer? Show the work. x+4/x-2 less than equal 1 thanks for your help

asked by Jackie C on January 11, 2013
47. math

( (0.1095 mmol/mL)(25 mL) - (0.1482 mmol/mL)(29.04 mL) ) / ( (1000 mg/g)(1.3010 g) ) what is the answer i got -.0012 but its wrong

asked by chris on February 21, 2007
48. math problem solving

the digit 5 occurs two times in the population of fairbanks. what is the value of each 5? explain your answer fairbanks- 35,252

asked by janice on August 28, 2014
49. math

Six hundred ninety four ten thousandths is how much more than fifty seven thousandths write the answer in words

asked by jazzi on January 10, 2013
50. calculus

I am confused on how to write this function as an exponential function having a base 10: P(t)= 50e^(0.5t). The answer in my textbook is: P(t) =50(10)^(t/4.6)

asked by Ted on April 20, 2010
51. Math

If I round 123.456 to the nearest hundreth is the correct answer: 123.500?

asked by Lisa on September 21, 2009

Please Help, And can you explain how you got the answer? 1. Write the ratio 15:25 as a fraction in simplest form. A) 3/5 B) 15/25 C) 30/50 D) 1/3 2.Which ratio is equivalent to 3/7? A) 6/10 B) 9/21 C) 12/35 D) 7/3

asked by Mileena on December 5, 2013
53. Algebra

negative numbers closed under subtraction. True or false My answer is false, is this correct

asked by Kyle on August 20, 2015
54. MATH

Hi this goes to Ms. Sue or anybody I posted a question and no one answered it ! it was Anonymous and it was today under Math and it was at 1:31 ! Please answer my question ! (: Thanks !(:

asked by Anonymous on January 15, 2013
55. ap chemistry

What volume of 6.58 M HNO3 is required to prepare 671 mL of a 2.7 M HNO3 solution? Answer in units of mL

asked by cheri on September 13, 2012
56. algebra 1

Write an equation of the line containing the given point and parallel to the given line. express your answer in the form y=mx+b (-8,4); 9x=7y+5 y= ?

asked by spirit73 on September 22, 2009
57. English

Since I was hungry again in an hour, I went to Whataburger. secular religious subordination coordination my answer coordination

asked by christopher on April 21, 2010
58. math

The dimension of a rectangular garden are represented by (x+7) (x-7) A. What is the area of the garden? B. It is possible that x=?how about x=-7?explain why or why not? C. What could be the value of x? I need answer to my homework now na please

asked by claire on June 24, 2017
59. math

The dimension of a rectangular garden are represented by (x+7) and (x-7) A. What is the area of the garden? B. It is possible that x=7?how about x=-7?explaine why or why not. C. What could be the value of x? Please answer steve

asked by claire on June 24, 2017
60. Math

Explain why 0.4 divided by 0.2 has the same answer as 4 divided by 2. (Hint: Convert the decimals into fractions with a denominator of 10.)

asked by Mari on March 17, 2014
61. math

Answer each question about the following series: 3 + 4.5 + 6 + 7.5 + 9 + 10.5. What is the common difference of the arithmetic sequence on which the series is based? d =

asked by wendy on April 3, 2019
62. math

asked by lisa on April 30, 2016
63. Chemistry

What is the molarity of a solution containing 9.0 moles of solute in 2500 mL of solution? I got this answer: M = (9.0mols/2.5L)= 3.6M Is this correct? Thanks

asked by Amy on May 6, 2012
64. math

carrie says that one solution to y=3x-5 is (4,7).Describe two ways to check if her statement is true.use at least one way to check her answer.

asked by josh on May 8, 2012
65. Chemistry

Calculate the pH of a solution that is 2.00M HF, 1.00M NaOH, and 0.393M NaG (Ka=7.2 x10^-4). The answer I got was 4.76 ..

asked by Jill on March 22, 2013
66. math

Write an equation of the line containing he given point and parallel to the given line? Express your answer in the form y=mx+b (6,8);x+7y=5

asked by micheal on June 13, 2009
67. Hunting Training for Dogs

Please check my answer thanks :) True or False field trials are noncompetitive events I say that it is True

asked by Malie on January 7, 2009
68. music

I can’t get back to the page but thank you Ms. Sue. I went back and found each answer individually and wrote them down. hopefully you can forgive me.

asked by Anonymous on March 20, 2018
69. To "bad@math" (and other names)

Please post under one name. Please do not post to demand that someone go back and answer your previous questions. A math volunteer will get to them when he/she can. Thanks.

asked by Writeacher on September 13, 2007
70. Math

Write the expression as a single fraction and simplify. 3/a + 3/b Is this when you cross multiply and get 3a + 3b? Except the answer has to be a fraction so I am not sure.

asked by Selena on August 25, 2015
71. Algebra 2

can someone show me how to do it step by step please! Use a graph and table to solve each system. check your answer {y+x=5 {3x-5y=-1

asked by Ren on October 16, 2010
72. pre algebra

simplify: I don't understand on how to answer this and simplify it. (dt4)(3d-6) Can someone please write out the steps on how to solve it.

asked by Kim on June 9, 2009
73. history

12. What was the Cold War? What exactly made it "Cold"? Why was it never "hot"? (Answer every part of the question) (5 points) *

asked by brooke on April 4, 2019
74. math

im doing percent proportions and it is asking: 57% if 109 is what number? And i already know that you start with 57/100 = x/109 but how do you get the answer, i cant figure it out!!!

asked by mariana on October 2, 2007
75. spanish

choose the best word los comerciantes nos (dijimos,dijeron) answer dijimos

asked by JOSEPH on April 26, 2012
76. Math

The angles of a triangle are in the ratio of 2:6:7 .the complement Of the smallest angle of the triangle is, explain. Answer=66

asked by Sujata on September 28, 2017
77. Chemistry

Calculate the temp at which DG for a reaction (with/ DH= -19.9 kJ/mol and DS= -55.5 J/k-mol) will be equal to 0. Is the correct answer -358.56 K?

asked by Anonymous on April 11, 2010
78. Math

I'm doing proportions, and I'm kinda confused with this one problem.. x/3=1/5. the way I do proportions is by cross multiplying, so I get 3=5x? I don't know what my answer would be?

asked by anthony on October 15, 2010
79. MATH HEPL

solve (+14)(x-17)(x+6)>0 I have a solution for x>17 but the answer on my paper asks for a solution set {xline x } help how do I write this

asked by Allison A on November 28, 2011
80. Physics

The initial speed of a body is 4.43 m/s. What is its speed after 1.86 s if it accelerates uniformly at 1.24 m/s^2? Answer in units of m/s. PLz help

asked by Jina on October 10, 2016
81. Science-Elements

what stimulated the rapid discovry of new elements during the 1700s? I really don't know the answer to this question. I don't get it.

asked by Sara on March 29, 2010
82. English

Pls, if you know the answer, help me! Explain: At a time and by a time..... with examples, and deffinition or explanation. thank you xoxo

asked by Lulu on October 13, 2009
83. math

2/5 out of 1300 students participated in a soccer game. How many participated. My answer is 520, am I correct. Thanks

asked by Americal on October 31, 2012
84. math

In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help. Your answer was no but how do I do this problem? I'm sorry, I mean ,or =. Thank You for your help.

asked by ann on September 22, 2010
85. Science

What kind of carbon-carbon bonds are found in alkane molecules? Is the answer Pentane

asked by Shirley on October 29, 2011
86. Algebra II

The answer for (7+5i)+(-4+2i) is 3+7i. But I got -38-6i. I combined -28 and 10i^2 to get -38, and I combined -20i and 14i to get -6il So all together this was -28+-6i+-10, which resulted in -38-6i. Could you please tell me where I went wrong?

asked by Paige on October 15, 2009
87. nutrition

What are some of the health problems associated with undernutrition? Explain the cycle of malnutrition. Who does it impact? Explain your answer.

asked by Jerry on October 15, 2009
88. Math

Please check my answer. Four girls went to Friendly's. The check comes to \$36. They want to leave a 20% tip. How much should each girl pay? 36 ÷ 4= \$9.00 \$9.00 × 20%= \$1.80 \$1.80 + 9.00= \$10.80 each

asked by Loni on February 13, 2016
89. random

I dunno. Why don't u wait 4 a teacher 2 answer that? I guess any grade that can type and ask Qs. :p any grade.

asked by Lily on May 7, 2007
90. Trig

cos45cos25 - sin 45sin25 = ?? a. cos70 b. sin70 c. cos 20 d. sin 20 which answer is correct ?

asked by Don on December 27, 2011
91. Algbra 2

Divide using the division algorithm. Write your answer in the form Q + RD where the degree of R is less than the degree of D. x^3+3x+4/x+1 How am I supposed to do this?

asked by Idkm on September 12, 2015
92. eng 122

Editing should focus on each sentence individually. (Points : 1) True False answer true

93. algebra

-3/[(5/x)+y] Can someone please tell me how one goes about simplifying this? Multiply numerator and denominator by x. would the answer be -3x/5+y? No. YOu forgot to multpy the y by x, it would have an xy in the denominator. gotcha thanks

asked by Anna on May 8, 2007
94. math

In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help. Your answer was no but how do I do this problem?

asked by ann on September 22, 2010
95. algebra

Hi I need help with this question. I am not asking for the answer because if not I wont learn like that. I am looking for a good step by step explanation. Thank you. Solve for x: 5x + 2 = 4x − 9.

asked by nina on March 30, 2016
96. chemistry

Calculate the [H+] for a solution with [OH−] = −80 M. 1x10*-14/-80=-log(answer) How would I do this since I can not take the negative log of the previous anwser

asked by susan on June 8, 2014
97. Algebra

Simplify the rational expression. (45y-9xy)/(x^2y-25y) I got an answer of 9y/y(x+5) but it seems to be wrong Could anyone see what I did wrong. Thank you

asked by Anonymous on September 21, 2010
98. Math question? Only 1.

Use the order of operations to simplify the expression. –18 + (–4) + 20 + (–3) I know the answer is -5. Care to show me how to do it step by step, please?

asked by Anonymous on September 24, 2014
99. physics

You have two forces, 116.1 N and 78.6 N. What is their resultant if the first acts up- ward and the second acts downward? Answer in units of N.

asked by laura on September 10, 2010
100. algebra

I know the answer is 4 but I don't know how to get to it. I guess I need step by step help on how to solve this. I've run out of ideas. 3[5-3(y-4)]=2y+7 ...sigh

asked by bridgette on October 16, 2007