Monday

August 29, 2016
Number of results: 140,735

**Calculus**

According to Kleiber's Law, the metabolic rate P (in kilocalories per day) and body mass m (in kilograms) of an animal are related by a three-quarter power law given below. Estimate the increase in metabolic rate when body mass increases from 65 to 66 kg. (Round your answer to...
*February 23, 2011 by Lillian*

**math**

find the standard deviation for the given data. Round your answer to one more decimal place than original data. (9,7,13,24,32,45,47) I get 16.62041 but how do I round my answer to one or more decimal places? I am a little lost.
*November 19, 2009 by Marie*

**MATH**

solve 1-(2/x)=2/(x+2) Express your answer in simplest radical form. What is radical form ne how? 1-(2/x)=2/(x+2) Multiply both sides by x(x+2): x(x+2) - 2(x+2) = 2x Note that we cannot allow x to be 0 or minus two because for these values the original equation is not defined. ...
*January 17, 2007 by Shay*

**algebra**

the new school has exactly 1000 lockers and 1000 students. on the first day of school, the students meet outside the building and agree on the following plan: the first student will enter the school and open all of the lockers. the second student will then enter the school and...
*January 12, 2011 by Bri*

**algebra 2**

solve for x (x-4)(x+2)=40 you need to make it eaqual to 0 and the correct answer is 8 and -6. how do i get this answer
*November 28, 2007 by kristin*

**Advanced math--check answer please**

Which system is inconsistent? A) y=0.5x x-2y=1 B) 2x-y=8 4x+y=5 C) x+y=0 2x=y D) y= -1 x=2 Answer: A Thanks
*June 22, 2008 by Lucy*

**Pre-Algebra**

The problem is 6 + -x/2 = 14 My answer is x = 16. The "correct" answer is -16 but I don't understand this solution.
*January 14, 2008 by Ryan*

**Math**

So, I subtracted 7/9 - (-13/18) and got an answer of 1/18. Would this answer be negative or positive????
*February 1, 2008 by greatdanelola*

**Math**

The lcm for... (1+3t) (1-9t)^2 (1-3t) Answer 9t^2 or (3t+1)(-3t+1) I'm not sure which answer I have is right, could you help me please.
*June 16, 2008 by Ashli*

**math**

Please check this problem to see if I answer correctly x - 3 > 8 Answer x > 11
*September 3, 2008 by jay jay*

**response to answer on algebra 1**

6a + 18b - 8b- 20a is the answer 26a + 10b
*January 6, 2009 by Kiwi*

**Math- Please check answer**

(.200-x)2 Would the answer be .400+x2
*February 25, 2009 by Anonymous*

**3rd grade**

Bobby subtracted 75 - 45 and said the answer is 30. Is his answer reasonable? why or why not?
*November 11, 2009 by ais*

**Geometry**

Solve the proportion. x + 7/x + 4 = 7/x − 3 for x. a) What is the larger answer? b) what is the smaller answer?
*November 27, 2009 by Chitra*

**calculus**

evaluate tan^2 3.658 I know the answer is .322 but I don't know how to arrive at the answer.
*February 6, 2010 by edwin*

**college algebra**

f(x)=x^2-4x-2 g(x)=x+7 what is the function using (f.g)(x) my answer is x^3-3x^2-30x+14 is this the correct answer
*April 23, 2010 by Jake*

**Algebra HELP**

(3((3x-1)/(x+3)) - 1) / (((3x-1)/(x+3)) + 3) What would the answer be? I already found the answer but I just want to check.
*October 28, 2010 by Amy*

**8th grade Math**

Can you please check my answer? Solve for x. 7- 7/2x = -5 my answer: x = 42
*November 13, 2010 by Elizabeth*

**ALGEBRA**

x + 7 + 3(4 + 5) = (x * 12) + 12 I came to up with the answer of 35 but that answer isn't sitting well with me not sure where I went wrong can anyone help?!!!
*January 19, 2011 by So Lost*

**Algebra**

Solve for v. v+6/5=3/5v-7/3 Simplify your answer as much as possible. This answer cannot be a radical. Thanks
*January 23, 2011 by Rachal*

**Math **

Ms Sue, How did you get that answer? Can I get an example? My current question was 39 and f more and your answer was 36 + f
*November 17, 2011 by mekhi*

**caculus**

ʃ dx/x^4(1/x^2-2)^2 please help i need solution..i got the answer.. answer= 1/6(1-2x^3)=c thanks
*January 23, 2012 by ME*

**math**

which of the following sets is a subset of A? A:5,25,15,10,20,30 not just and answer A.5,15,60 B.10,20,50 C.5,10,20 D.15,30,60 well i got the answer C
*August 3, 2013 by vincent*

**algebra**

Given the peoblem (-3)2 x ( -3 )4 which is the correct answer (-3)6 or (9)6 ? Explain how you got the answer
*September 30, 2013 by John*

**math**

sayed gave an answer of 6 6/7 for the problem 4 2/7 times 1 3/5, is this a reasonable answer
*February 26, 2014 by darla*

**Algebra 1 Answer Evaluation **

Factor the following polynomial completely. "3c^2 + 12 - 63" My answer: (3x +9)(x - 7)
*March 24, 2014 by Anonymous*

**Algebra 1--Please, check my answer!**

Add or subtract. Simplify your answer. 1. ((2t)/(4t^2) + (2)/(t)) A: 5/2t
*May 31, 2014 by Victoria*

**algebra plz check answer**

How many real zeros does y = 3x 4 - 2x 2 + x - 3 have? A. 5 B. 4 C. 3 D. 2 my answer is d
*September 8, 2014 by Angie*

**math help**

(y^3)^-2 (y^2)^0÷y^-3 the answer is1/y^3. I just don't understand how is that answer. Please explain
*September 9, 2014 by Anonymous*

**please help**

Choose the answer that identifies the nominative case pronouns. I, you, he, she, it, us, you, they I, you, he, she, it, we, you, they I, you, he, she, it, we, you, them I, you, he, she, its, we, you, they # 3 is the answer?
*October 23, 2014 by Sara*

**6G Math (pls check my answer)**

Solve the inequality. y+3<6 My answer: y+3<6 y+3-3<6-3 y<3 Am I correct?
*November 18, 2014 by Cathy*

**Algebra**

How do I explain the steps for the answer I reached involving a^1/a^2 with the result of my answer of 1/a^3/2 ?
*February 25, 2015 by Shirley E.*

**Math**

a) Subtract -6 Find the opposite Add -2 Subtract -4 Find the opposite The answer is -5 The original integer is_____ b) Add +14 Add -5 Find the opposite Subtract +6 Add +3 The answer is 0 The original integer is ____ I need help. Thank you!
*February 2, 2011 by Miley*

**Physic**

A massless rope is wrapped around a hollow cylinder of radius 23 cm whose central axis is fixed in a horizontal position. A mass of 3.8 kg hangs from the rope and, starting from rest, moves 137 cm in 2.2 s. What is the mass of the cylinder? (Answer: 62kg) Answer is provided ...
*May 6, 2014 by Anonymous*

**Grammar-Capitalization**

True or False 1. A direct quote never begins with a capital letter. Answer: False 2. You should capitalize proper names only if they are part of a quotation. Answer: False 3. Familiar titles, such as uncle, are capitalized when used with a proper name. Answer: True Thanks
*May 12, 2011 by Leslie*

**6grademath**

Pattern of increasing perfect squares is shown25,36-----64,81,100,what is needed to square to find the missing term,5,6,7,8.....how do I find the answer.
*January 31, 2013 by Sunny*

**Math-Population Word Problem**

The population of rabbits in a national forest is modeled by the formula P=8,600+650 ln(t+1) where "t" is the number of years from the present. a)How many rabbits are now in the forest b)Estimate when it will take for the number of rabbits to reach 12,000? c)Estimate how many ...
*March 26, 2013 by Jake*

**calculus**

A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium divides into two cells every 20 minutes. The initial population of a culture is 51 cells. (a) Find the relative growth rate. (Assume t is measured in ...
*November 9, 2012 by kela*

**math**

Can you tell me if I have the correct answer to this problem. A formula to determine the area of a person’s skin in square inches is s=15.7w^0.425 h^0.725 where w is weight in pounds and h is height in inches. Use S to estimate the area of a person’s skin who is 65 inches tall...
*April 30, 2011 by patiance*

**maths logarithms**

Solve this equation: 5^2x+1 + 24(5^x) = 5 The answer has to be -1 but I can't understand how to get this answer. Can someone please explain? Thanks!
*October 17, 2007 by Claire*

**math**

i need help with this problem:2x-y=-4 -x-y=5 when you answer this question can you plz include the steps you did to get the final answer?
*November 1, 2007 by asha*

**factoring**

Question: 30x^3 + 18x^2 - 5x - 3 My Answer: 6x^2(5x+3)(-5x-3) Is that right. If not can you please correct my answer and tell me what to do! Thanks :)
*January 30, 2008 by Miley*

**algebra**

3(7+2x)¡Ü 30+7 (x-1) The answer to this inequality problem is x ¡Ý -2 I can't figure out how they got this answer. Can you show me the steps?
*April 5, 2008 by C*

**algebra**

3(7+2x ¡Ü 30+7 (x-1) The answer to this inequality problem is x ¡Ý -2 I can't figure out how they got this answer. Can you show me the steps?
*April 5, 2008 by C*

**Algebra2**

Can someone check my answer for me. List all the possible rational zeros of f(x)= 3x^5-7x^3+2x-15 p=15 1,3,5,15 q=3 1,3 answer: 1,3,5,15,1/3,1/5,3/5
*April 13, 2008 by Jaden*

**Math (Grade 12)**

I need help with this problem: 9i - (5i + 4i)^2 The correct answer is supposed to be 9 + 49i, but my answer is no where near that...
*September 17, 2008 by Lucy*

**Math**

Is it reasonable to say that the answer for 63.11 lies between 60.10 and 65.15 To which number do you think the answer is closer?
*May 24, 2009 by Tanya*

**algebra II**

I really need help getting an answer to this problem it will be nice if you can show me the steps to get to this answer x^4y^4/x^2y^5
*September 9, 2009 by kate*

**Algebra**

Simplify a^5 b^3 _______ ab^8 Answer: a^4 b^-5 Is this correct? {Note: There are no parentheses in either the problem or the answer}
*September 12, 2009 by Anonymous*

**CHEMISTRY**

Express your answer as a chemical equation. Identify all of the phases in your answer. C12H22O11
*January 31, 2010 by ASHISH*

**Mat 116**

0.5x+1<=1.3x-6 0.5x+1 <=1.3x-6 -1.3x -1.3x .8x+1-1<=-6-1 .8x <=-7 {x|x <= or >= 7/80 or 8.75 The answer seeking is either integer or decimal it states. My answer is {x|x <= 8.75 Is is right?
*April 11, 2010 by Robin*

**college algebra**

what is the y value of the vertex f(x)=x^2+6x+5 I have an answer of 4 this is important because I come up with -4 and I believe the answer to this is 4
*April 22, 2010 by Jake*

**math check answer **

Solve by elimination method 3x - 6y =4 3x - 6y =5 is the answer x=9 and I think it is inconsistant and not consistant
*July 6, 2010 by Christy*

**math**

From 42 to 35 I got that the answer is 16.666666 reapeating. What would my answer be if I rounded to the nearest tenth?
*November 10, 2010 by lilly*

**math**

the answer to this worksheet!!:what do you call drilling 4,876 holes?please answer now !!!!!
*January 24, 2011 by bella*

**Chemistry**

How many moles are there in 80.0g of C2H5Cl? leave answer in significant figures. please help and explain how to get the answer.
*February 23, 2011 by Lisa*

**chemistry**

Express your answer as a chemical equation. Identify all of the phases in your answer. H3PO + Sr(OH)2=
*March 10, 2011 by joseph*

**Math**

Differentiate: f(x) = 2x-(x^2+1)^7 / 3 the answer choices are 1) f'(x) = 2-x / 3(x^2+1)^6 2) f'(x) = 2/3 - 14/3 x(x^2+1)^6 3) None of the above so the answer would number 1 correct?
*April 2, 2011 by Hannah*

**Math**

What is the answer to this question? 48÷2(9+3)= ( If I do it with PEMDAS, the answer would be 2, but when I type in google, it give me 288) [ 9+3 = 12 -> 48/2(12) -> 2 x 12 = 24 -> 48/24 = 2]
*April 22, 2011 by Shadow*

**Algebra**

Could someone help me check my answer? Thanks. -Write each quotient as a complex number. 1. 3i/-2+i (Is the answer for this one = 3/5-6i/5)
*January 19, 2012 by Shadow*

**algebra**

Posted this question and part of the answer was incorrect. a) 4L/3 = 6 4L/4 = 18/4 L= 18/4 L= 9/2 b) 4= 3M/2 + 32 3M/2 = -32 + 4 3M/2 = -28 3M/2 * 2= -28*2 3M= -28 -2 3M= 56 3M/3 = -56/3 M= -56/3 ??? Can answer b be checked again please
*January 24, 2012 by Algebra8*

**to mRS.SUE**

BUT I DONT UNDERDSTAND HOW YOU EXPLAIN IT!SO FOR MATH,THE ANSWER IS 20?HOW DID YOU GET THAT ANSWER?I NEED AN EXPLANATION!
*February 22, 2012 by Celest*

**the answer to ms.sue**

the answer isantigua and barbuda, dominica, and palau. they add up to 157000 and i did by hand.
*April 11, 2012 by Celest*

**pre algebra answer check**

Use a proportion to answer the question. 21 is 4% of what number? 21.875???
*May 29, 2012 by amy*

**Math**

Simplify the variable expression: 1. (13)(-x) My answer: -13x 2. (-4)(-x)^3(x)(-1/8) My answer: 1/2 • -3x I'm not sure about number 2. Thanks
*September 6, 2012 by Amy*

**chemistry**

Which of the following would not be acceptable units for density? Answer kg/L g/mL3 g/cm3<< my answer
*January 19, 2013 by jakey *

**math**

I wold like to know if I have this answer right? Factor the trinomial competely. x^2-x-2 My answer is (x-2)(x+1)
*March 24, 2013 by sam*

**math**

(-4)((-6+9)-5^2)-15 answer is 73 but i'm getting a complete different answer, im following pemdas but still dont get it?
*October 19, 2013 by Anonymous*

**Math - HELP!**

7 more than twice his age is 51. What is the answer in a algebraic equation. My answer is 2a + 7= 51 am i right or wrong
*October 26, 2013 by Mary*

**math - PLEASE!**

15 increased by t What is the answer in algebraic expression form? My answer is 15 + t am i right or wrong
*October 26, 2013 by Mary*

**Math**

Stacy Multiplied 5 * 9 and said the answer was 44. What 2 patterns could you use to show that her answer is not correct?
*February 24, 2014 by Jacob*

**Have I done this right**

write the equations in logarithmic form 216 = ^63 answer In(e^4.5) 49 = (1/7) ^-2 answer 2=log(3x)
*May 13, 2014 by Nellie*

**Calculus Chain rule**

How can derive this function?f(x) = 2/(9x^5+1)^5 The answer is The answer is -450x^4/(9x^5+1)^6 Can you please show why? Thank you
*February 17, 2015 by Tom*

**Math**

Solve the equation 13r = 3/7. Express your answer in the simplest form. a r = 91/3 b r = 7/39 c r = 39/7 d r = 3/91 Is c the correct answer.
*April 8, 2015 by Miya*

**Math**

Solve the equation. Choose the answer in simplest form. 4x = 8/7 a. 1/28 b. 1/7 c. 2/7 d. 7/2 Would the correct answer be b.
*April 8, 2015 by Jay*

**Math**

Sayed gave an answer of 6 6/7 for the problem 4 2/7 times 1 3/5. Using the estimates, is this a reasonable answer.
*May 5, 2015 by Ishmel*

**MATH**

i HAVE THE ANSWER OF 5M3 + 4N. hOW CAN i WRITE AN EXPRESSION THAT HAS FIVE TERMS AND SIMPLIFIES TO THIS ANSWER?
*September 15, 2015 by Jaxson*

**English**

1. How do you know about the painting? - I think it's beautiful. ---------------- Is this answer correct? If not, what would be the answer to the question?
*September 23, 2015 by rfvv*

**SCIENCE**

NEAR POINT OF A HYPERMETROPIC EYE IS Im.WHAT IS NATURE AND POWER IF LENS? ANSWER IS 3 D.MY ANSWER IS 5D
*November 5, 2015 by SHOBHIT SWAMI*

**Math**

2 2/3 x 1 1/3= I came up with an answer when I tried like Ms. Sue said as 3 5/9 Would that be the correct answer 3 5/9?
*February 16, 2016 by Patrick*

**Calculus**

Compute the curvature. r(t)=(t^2,2t^3/3) t >0 The answer is 1/2t(1+t^2)^3/2 I have tried multiple times but i cannot arrive to this answer.
*April 23, 2016 by Lyndsay*

**statistics**

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 121.2-cm and a standard deviation of 1.8-cm. Suppose a rod is chosen at random from all the rods produced by the company. There is a 23% probability that the rod is longer than...
*October 18, 2011 by Victor*

**Algebra**

Here is a question, but I am having a problem finding the right systems of equation. Are the ones I have written correct? Question: The mortgage department of the company is selling two model homes that are located on the same block. The square footage, as well as the type of ...
*December 17, 2009 by Hgo*

**Math**

2 teams played each other recently. Team 1 scored N points, while team 2 scored M. 1<M and N<100. The first digit of N is a, the second digit b. N-a+b^2. The first digit of M is b, the second is a. By how many points does team M win the game? There is a mathematical way ...
*April 5, 2010 by CT*

**Pre-Calc**

A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously measure the angle of depression to two consecutive mileposts on the road on the same side of the balloon. The angles of depression are found to be 24...
*March 23, 2012 by John *

**math**

use exact values of the sin,cos and tan of (pi/3) and (pi/6)(which I have found)and the symmetry of the graphs of sin,cos and tan to find the exact values of sin(-pi/6), cos(5pi/3) and tan (4pi/3). I know that sin -(pi/6) = -1/2 and cos (5pi/30 = 1/2 and tan 4pi/3 = root 3 but...
*August 23, 2011 by jenny*

**PHYSICS - formula?**

Here is one of my questions from my physics study. It tells me the answer (35 J), but how do I find that answer? I would appreciate a formula or step by step calculation. Thanks! :) A 30 kg kid on rollerskates is moving 1 m/s. His brother pushes him with a force of 5 N. What ...
*March 26, 2013 by Anna*

**Chemistry**

Element X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. What are the possible formulas for the two compounds? (Multiple choice) a. XF (for 1st compound) X2F2 (...
*July 25, 2005 by Paul*

**Math - repost for Anonymous**

Can someone show me the steps to these questions (I will provide the correct answers)? Thanks in advance. 1. When the polynomials 4x^3 + mx^2 + nx + 11 is divided by x + 2, the remainder is -7. When the polynomial is divided by x - 1, the remainder is 14. What are the values ...
*September 28, 2007 by Writeacher*

**physics**

I found out how I was messing up and getting the wrong answer. I entered (-30) squared + 49.5 squared then took the square root of the answer getting 39.37 instead of 57.88 which i figured out was the right answer, I didn't enter all in my calc at the same time. ...whoops. ...
*September 21, 2009 by Constant physics poster!*

**Algebra 1--Please, check my answer!**

1. A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = -6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. -2x + y = 3 c. x + 2y = 4 d. -x - 2y = 8 My ...
*June 9, 2014 by Victoria*

**Mechanical behavior**

This part I have: 1)Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of the applied load, P, the span, lAB, the Young's modulus of ash, E and the moment of inertia of the cross section, I. Answer: -P*l_AB^3/(3*E*I) 2) ...
*November 8, 2015 by HELP*

**math please help**

This part I have: 1)Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of the applied load, P, the span, lAB, the Young's modulus of ash, E and the moment of inertia of the cross section, I. Answer: -P*l_AB^3/(3*E*I) 2) ...
*November 8, 2015 by HELP*

**Chemistry**

Please check my answers for the following questions. THANK YOU. 1) The empirical formula of a compound that is 25.9% nitrogen and 74.1% oxygen is.... ANSWER: N2O 2) empirical formula of a compound that consists of 4.80 grams of carbon, 1.20 grams of hydrogen, and 2.80 grams of...
*August 2, 2007 by anonymous*

**ENGLISH ESSAY**

Which one of the sentence would you most likely find in a process essay? A.Lack of disipline in years can create teens that have no sense of purpose. B.First,gather all materials listed under "supplies." C.He walked into the room, holding the package as if it contained fragile...
*August 7, 2008 by SHAYLA*

**French ASAP**

Can you check my answers thanks Directions: Use the clues to fill in the blank. (I don't understand 8, and 19) 1. Madame Durand n'a pas d'enfants. Mais elle a un petit ------, Minouche. Answer: Chat 2. J'ai un beau ------- pour Camille. C'est son anniversaire. Answr: Cadeau 3....
*February 4, 2009 by Kathy*

**Pre-Cal**

1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so I do not know how to find the next numbers. 2) Find the nth term of the geometric sequence. a2 = 3 a5 = 3/64 n=1 I know the formula is a1^r n-1 but ...
*April 4, 2010 by Abbey*

**Math**

You buy a television for $550. That price included a 10% sales tax. what is the price without sales tax? The answer choices are A)$500 B)$605 C)$55 D)$550 I did a proportion to find this answer by doing: 10/100=x/550 ;and I ended up getting $495, which is not one of the ...
*December 26, 2014 by Audry*

**math**

If there is a bench at first and every fourth sign after that.there is water at seconed sign and fifth after that. at which sign can i find both bench and water. my answer is i subtract 4-1=3 and i subtract5-2=3 i added 3+3=6,so ami correct to say that wzater and bench will be...
*March 20, 2011 by Keisha*

**Pre-Cal(Please help)**

1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so I do not know how to find the next numbers. 2) Find the nth term of the geometric sequence. a2 = 3 a5 = 3/64 n=1 I know the formula is a1^r n-1 but ...
*April 4, 2010 by Abbey*