Sunday

December 4, 2016
Number of results: 22,926

**Algebra**

A square has an area of 49 square units. Find the sode length and perimeter of the square.

*November 25, 2015 by Kay*

**Algebra **

A square has an area of 49 square units. Find the side length and perimeter of the square.

*November 25, 2015 by Anonymous *

**Algebra II**

If the distance from the point (5,k) to the line 8x - 15y + 8 + 0 is 20, find k. Recall that the formula to compute the distance between a point (x1,y1) and a line ax + by + c = 0 is d= abs(ax1+by1+c) [over or divided by] square root(a^2+b^2)

*September 12, 2010 by Meg*

**Quantitative Analysis**

The "standard deviation of the sample score" divided by the "square root of the sample size" is the formula for computing the ...? A. Coefficiant of Determination B. Absolute Deviation C. Variance D. Standard Error

*November 6, 2013 by Stacie*

**work**

Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.true or false

*May 18, 2010 by lisa*

**english**

Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.” True or false

*March 2, 2012 by tywin*

**Pre-Calc/Trig...**

Am i correct? The graph of y=3x^2-4x+2 opens downwards. FALSE The graph of y=2x^2-4x+2 has a y-intercept of (0,1). FALSE

*October 14, 2014 by Anonymous*

**Algebra 2**

Can someone please check these answers for me?? I'm pretty sure most of them are right, except for maybe the second T/F question... 1) T or F. The domain of y=ln x is equal to the range of y=e (superscript x). True 2) T or F. ln(3x x y to the 3rd power) = (ln x 3) x (ln x) x (...

*May 23, 2007 by Lindsay*

**SPANISH**

TRUE OR FALSE In Spanish-language soap operas, affection between family and friends is never expressed. this is what i found in my book: "En las telenovelas en español también se expresa muy abiertamente el cariño (affection) entre parientes y amigos..." i don't understand ...

*May 10, 2009 by y912f*

**MATH**

A rectangular flower is 20 inches long,8 inches wide ,and 6 inches high . True of false. If andy fills the flower pot 2/3 full of soil, the expression 2/3(20 + 8 + 6) could be used to find the about of soil he needed.

*February 27, 2011 by Dani*

**Math (1 question)**

estimate the area of a circle with a radius of 27 meters. Use 22/7 for pi. A. 258 square meters B. 1,125 square meters C. 2,291 square meters D. 5,253 square meters

*April 3, 2016 by nada*

**Statistics**

Answer “True” if the statement is always true. If the statement is not always true, replace the underlined words with words that make the statement always true. Alpha is the measure of the area under the curve of the standard score that lies in the rejection region for Ho.

*June 23, 2015 by shuggins*

**Trig**

Find all values of theta where 0degrees<theta<360 degrees when csc theta = square root 2 Please detail how/why i can get to the solution. I need to understand the concept clearly...... It will probably relate to something taught down the line I'm sure.

*February 13, 2016 by Lara*

**precalculus half angle question stumped**

Given tanu= -1/3 and sinu <0, find sin(u/2) if 0 is less than or equal to u < 2 pie I think its a right triangle in fourth quadrant with the point (3,-1) (hypotenuse equals square root of ten) but I'm brain dead and can't find u or any solutions.

*January 11, 2010 by george *

**MAth**

how do i find the domain and range of equations? example: f(x)=ab.solute value of x-3. f(x)=square root 36-x^2 g(x)=-2x+2. how would i know what the domain and range is of these. could i use a graphing calculator to tell me the domain and range??

*December 16, 2008 by Jamie Lynn*

**geometry**

a cube is placed inside a right circular cylinder. How may cubic feet of water will file the cylinder that has the cube in it? The sides of the cube are 24. The radius of the cylinder in 12 square root of 2 thanks you

*February 23, 2011 by jenny*

**Algebra 2**

Stacey has a square piece of cloth. She cuts 3 inches off of the length of the square and 3 inches off of the width. The area of the smaller square is 1/4 the area of the original square. What was the side length of the original square? a.1 in. b.2 in. c.6 in. d.12 in. Help ...

*September 23, 2015 by Vivian Van Pelt *

**science**

a storage cell produces current through chemical reactions that can be reversed? true? a primary cells produces current thur chemical reaactions that continue until one or more reactants is used up? false? i am on the right track?

*June 3, 2010 by albert*

**Math**

1. Find the angle between the vectors, approximate your answer to the nearest tenth. v= (-4, -3) w= (2, 6) Answer: 145.3 degrees 17. One type of data that is non linear in nature is the exponential function. -False? 19. Exponential data follows the equation y= ab^x. True?

*June 19, 2013 by mysterychicken*

**L.A**

1. In a persuasive essay, the thesis statement should represent an opinion. A. True <-- B. False 2. The most common structure of a persuasive essay is A. Order of importance B. Chronological order <--- C. Problem and solution 3. Which of the following is NOT a sentence A...

*May 18, 2014 by Anonymous*

**math**

Solve for t: Radical(t-108) - Radical(t+186) = 6 The only possible root is t = ?. It is an extraneous root.

*July 8, 2010 by G*

**Algebra II**

Mulitple Choice Find cos0 if sin0=3/5 and 90 degrees<0<180 degrees. A.)4/5 B.)-4/5 C.)(Sq root 34)/5 D.)(- sq root 34)/5

*June 9, 2011 by HotMath*

**Calc**

How close is the semi circle y= sqr.root of 16-x^2 to the point (1, sqr.root 3)? using Optimization

*January 11, 2012 by Anonymous*

**Algebra 2**

More About Complex Numbers squ. root 5+i/squ. root 5-i I don't know if you understand this equation, but could you help me.

*November 21, 2014 by Ariana*

**Math**

find all the other zeroes of the polynomial x^4+4x^3-4x^2-32x-32 if two of its zeroes are 2 root 2 and -2 root 2

*April 9, 2016 by Prithvi*

**Discriminant**

b^2-40<0 is [b+(2square root 10)][b-(2square root ten)] Could you explain how did it become like tat? Thks!

*June 3, 2016 by Lin*

**Pre-Calculus 11**

What is the entire radial form of -3* cube root of 2? I go cube root of 54 as my answer but it is wrong

*July 10, 2016 by Rayan*

**calculus**

Integrate: (The Sq. Root Of x-2)/x+1 dx Let u= (Sq. Root Of x-2)

*August 10, 2009 by Jessica*

**Math**

What is the root of 22 over the root of 32?

*March 2, 2011 by Ed*

**Calculus**

integrate (t(root t)+t(root t))/t^2 dt

*January 24, 2014 by Anonymous*

**math**

If a+ib = (root of 1+i) / (root of 1-i )then prove a^2 +b^2 =1

*June 6, 2014 by haritha*

**maths**

If a+ib = (root of 1+i) / (root of 1-i )then prove a^2 +b^2 =1

*June 6, 2014 by haritha*

**Chemistry (Check)**

Classify each of these statements as always true, sometimes true, or never true 11)sometimes true 12)Never True 11)Scientific notation is used to express large numbers in convenlent form. 12)Siginificant figures include all the digits that can be known accurately plus a last ...

*January 13, 2007 by Bryan*

**Math (pre-calculus)**

Hey! I have a domain and range question! I don't remember how to get these, can you help? How do you calculate the domain and range of these? What's the domain and range of each? a. f(x)= 1/x=3 b. g(x)= [square root of] (x+6) c. h(x)= x^3+2x+5 Thanks for help!:)

*November 2, 2008 by Angellove*

**Math**

Which of these numbers is greater than 6 but less than 7? Let me try to figure it out and I'll post my anwser.= ) oops didn't put the options in... the square root of each of these numbers a. 6.5 b. 67 c. 45 d.76 Would it be easier to find the number which is greater than 6^2 ...

*March 15, 2007 by Holly = )*

**pre calculus**

The base of an Isosceles triangle is half as long as the two equal sides. Write the area of the triangle as a function of the length of the base. the answer is: A=a^2times the square root of 15 ------------------------------ 4 How did they get this answer? Thanks!

*September 1, 2008 by Acorn*

**college algebra**

Let f(x) = square root (x + 2) and g(x) = x^2 − 2. Determine the domain of the composite function. (Enter your answer using interval notation.) f compose f ______? & Find the composite function. (f compose f)(x) = _____?

*October 21, 2013 by Dee*

**quadratic equations**

The solution to a quadratic equation is x is equals to 3 plus or minus square root of 4 minus 8p all over 4 where p is the element of Q. Determine the value(s) of p that the roots of the equation are equal and non-real

*March 6, 2016 by Andiswa*

**quadratic equations**

The solution to a quadratic equation is x is equals to 3 plus or minus square root of 4 minus 8p all over 4 where p is the element of Q. Determine the value(s) of p that the roots of the equation are equal and non-real

*March 6, 2016 by Andiswa*

**quadratic equations**

The solution to a quadratic equation is x is equals to 3 plus or minus square root of 4 minus 8p all over 4 where p is the element of Q. Determine the value(s) of p that the roots of the equation are equal and non-real

*March 7, 2016 by Andiswa*

**calculus**

Find the absolute extrema of the function (if any exist) on each interval. (If an answer does not exist, enter DNE.) f(x) = square root of (25 − x^2) (a) [−5, 5] minimum (x, y) = (smaller x-value) (x, y) = (larger x-value) maximum (x, y) =

*April 5, 2016 by Sam*

**government**

The National Government can form a new State out of an existing State without the permission of the existing state? True or False

*June 26, 2013 by Allison*

**GEOMETRY URGENT PLEASE**

(imageshack)(.)us(/)photo (/) my-images (/)42(/)2vja. jpg(/) Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 ...

*November 9, 2013 by BARBIE LEE *

**math**

How can I solve the diagonal of a cube with a formula of s square root of 3, if the given is csc x = 2 ? how will i solve for the side of the cube to get its diagonal?

*March 1, 2015 by Ammiel*

**Math - urgent**

When solving for x by completing the square as in the equation 3(x-1)^2-1=0 should I add one to both sides then divide by three or add one to both sides then square root both sides? It makes sense to me to first divide by three, but if I do this, I'm not getting the correct ...

*October 16, 2008 by Isobelle*

**Debug=true**

The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL: 1. Add a "Debug=true" directive at the top of the file that generated the error. Example: <%@ ...

*January 13, 2011 by Amy~*

**calculus**

the base of a solid is the region between the curve y=2 square root of sin x and the interval [0,pi] on the x-axis. the cross-sections perpendicular to the x-axis are equilateral triangles with bases running from the x-axis to the curve as shown in the accompanying figure.

*February 25, 2012 by diny*

**7th grade math help square roots**

4. Wei-Min makes a square quilt that has an area of 100 square feet. It has 25 square blocks, each the same size. What is the length of each side of a block? 2 feet 4 feet 6 feet 10 feet What is the value of "x" if 25^2 = x? 125 0 625 5

*October 3, 2012 by Delilah*

**Calculus 1**

Use Newton's method to approximate the indicated root of the equation correct to six decimal places. The root of x^4 − 2x^3 + 5x^2 − 5 = 0 in the interval [1, 2]

*November 15, 2015 by TayB*

**Maths**

A true/ false test is given. If a person guesses the answers, the probability that any particular question is correctly answered is 0.5. If the test contains 14 questions and 7 correct answers is a pass, what is the probability of passing the test by simply guessing?

*February 13, 2014 by Lucy*

**Algebra**

This has me stumped The approximate time in seconds, that it takes an object to fall d feet under the influence of gravity is given by mathematical model t=square root d/16. A rock dropped from a cliff hits the ground 6 seconds later. How high is the cliff?

*September 5, 2008 by nicky*

**algebra**

I have 70 problems today and have trouble near the end if I can get help on the ones I am going to to post I can do the last 15. I so appreciate help with understanding the steps. I will split the posts. Thank you very much. I will use < as square root sign. #54 -<18c...

*April 2, 2010 by Brenna*

**MATH**

The time (t, in seconds) for a free-falling object to fall d feet is described by the mathematical formula: t=d over the square root of 16 If a worker accidentally drops a hammer from a building and it hit the ground 4 seconds later, from what height was the hammer dropped

*August 15, 2011 by Wanda*

**Math**

The area of a square is 10 square meter. what is the product of the lengths of the diagonals of the square?

*August 22, 2012 by Erin*

**Algebra**

A square has an area of 400 square miles. What is the length of each side of the square?

*April 15, 2016 by Xavier*

**World history/ Latin America**

Check my answers please?? i have a star by my answer. 1. The policy by which strong nations extend their control and influence over weaker territories is called? Socialism Imperialism Populism 2. This theory justified the use of racial, national and cultural superiority that ...

*January 17, 2016 by charlie*

**algabra**

A cylinder has a radius of 5 in. If the volume of the cylinder is 250 pie inches cubed, What is the height of the cylinder? pi*r^2*h=250*pi pi cancels. solve for h r^2*h=250 h=250/r^2?? This is what I got originally. 250=pie(5)squared *h. 250= pie 25 h 10= pie h h= 10 over pie...

*January 18, 2007 by peggy*

**Math**

can someone sow me step by step how to evaluate the integral of the square root of x^3 using a u substitution? I don't understand this topic and I have a lot of problems to do like this so can someone just sow me so I can see the process? Thanks.

*February 21, 2010 by kelli*

**Algebra**

Mary creates a table of values for a function and plots the points. She finds that the difference in the y values is the same. What kind of function did she graph? How can you tell if a graph is linear, quadratic, exponential or square root?

*June 28, 2014 by Emma*

**Algebra**

if you are looking at the horizon, you can determine the distance you are form the horizone in miles. D, form a height, h, in feet by the equation of D = 1.2 square root H. if you are standing on a mountain top that is 12,000 feet in elevation, how far are you from the horizon

*August 20, 2014 by Jessie*

**business law**

If Sally's employer subjects her to more severe discipline for an act of misconduct than a similarly situated fellow employee not in her protected group for the same act of misconduct, Sally may have a claim for disparate treatment discrimination. true or false

*August 31, 2013 by Vanessa*

**english**

. Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.” (Points...

*September 6, 2013 by Anonymous*

**Geometry **

A rectangle has an area of 6 square meters. What will be the area of the rectangle if each side length is increased by a factor 5? A. 11 square meters B. 30 square meters C. 125 square meters D. 150 square meters I think the answer is B

*March 2, 2014 by anon*

**Math**

Rafael wants to use 30 centimeters of wood to frame a rectangular photo. What is the greatest area his photograph could have? a)14 sqaure cm b)36 square cm c)54 square cm d)56 square cm

*March 3, 2011 by Trinity*

**geometry**

If you have a circle in a square and r is the radius of the cicle and x is the measurement outside the square what would the formula be to find the area of the whole square using x and r?

*September 10, 2011 by Teresa*

**Mathematics**

A regular octagon is formed by cutting off the corners of a square. If one side of the square is n cm, find the total area removed in square cm.

*August 12, 2013 by Arch*

**English help please**

The sides of a square are increased by a scale factor of 7. The perimeter of thr smaller square is 16 ft. What is the perimrter of the larger square? A. 4 ft B. 28 ft C. 56 ft D. 112 ft Is the answer A? Thank you

*November 20, 2014 by callie*

**geometry PLEASE**

imageshack(.)(us)/photo/my-images/42/2vja.jpg/ Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. ...

*November 10, 2013 by BARBIE LEE *

**safety**

true/false 1) you should never mix bleach with and other chemical. 2) each container of a chemical product and all spray bottles must have satefy information labels. 3)in osha's standards labels rate chemicals with regard to health, fire, and reactivity hazards

*March 31, 2011 by cici*

**us history **

the battle of chancellorville defined the union effort in the civil war as being about slavery. true or false what happened to many former slaves after the civil war? -factory workers -united states military -moved to idaho or utah -sharecroppers and tenant farmers

*January 22, 2016 by angus*

**Math**

Austin and Tamara each completed the square of the quadratic equation 0=3x square - 15x + 6 Austin 0=3(x-5/2) square-51/4 Tamara 0=(x-5/2)square-17/4 Who is correct and show why

*June 1, 2015 by Elijah*

**Honors Algebra 3-4**

can the cubed root of 15x^2, over 3 be simplified any more. (original problem: cubed root of 5/3x) the directions were to rationalize the denominator of each expression. Thankss!!!!!

*January 24, 2012 by Rachel*

**Math**

List all possible rational roots, use synthetic division to find an actual root, then use this root to solve the equation. x^3 -7x^2 +13x -7=0

*February 1, 2012 by Chelsea*

**Precalculus**

Let a and b be real numbers. The complex number 4 - 5i is a root of the quadratic z^2 + (a + 8i) z + (-39 + bi) = 0. What is the other root? I tried working this problem and so far I got that (a+8i) - (4-5i)= (-39-bi)/(4-5i). Im not sure how to solve this problem.

*August 13, 2014 by Aditya*

**math**

using the law of detachment, what can be concluded regarding the following statements: If a figure is a rhombus, then it is an eqilateral quadrilateral. A square is a rhombus. a) a rhombus is a square b) a square is a rhombus c) a square is an equilateral quadrilateral d) an ...

*July 13, 2010 by Tiffany*

**MATH Prob.**

Jack is taking a four-item true–false test. He has no knowledge about the subject of the test and decides to flip a coin to answer the items. What is the probability that he receives a perfect score? What is the probability on a 10-item test?

*August 6, 2009 by Twg*

**Math**

1.Radii of congruent circles are equal. True or False 2.The measure of an angle formed by two secants intersecting outside the circle equals a. ½ the sum of the intercepted arcs b. ½ the difference of the intercepted arcs c. ½ the measure of the intercepted arc

*June 10, 2010 by Courtney*

**Probability**

Thank you for the explanation MathMate! Would the answer to this question be A? Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her ...

*March 4, 2012 by Student*

**AP Calculus**

If the linearization of y= cube root of x at x=64 is used to approximate cube root of 66, what is the percentage error? a) .01% b).04% c).4% d)1% e)4%

*December 14, 2010 by Sandy*

**Math (Algebra)**

One root of the quadratic equation x^2 − 2x + m = 0 is 9. If the other root is n, what is n−m?

*May 21, 2013 by Shin*

**algebra root**

can i get help with this please what does it mean type of root Determine the number and type of roots 2X(X+2) =-2

*October 9, 2013 by tina*

**math**

if x=1+under root 2+under root 3 prove that x power 4-4 x cubed-4x squared+16x-8=0

*May 23, 2015 by samarth*

**chemistry**

The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which one of the following ...

*February 24, 2012 by bob*

**chemistry**

The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which one of the following ...

*February 25, 2012 by bob*

**heat transfer**

True or false (i) Steel is better conductor of heat than bricks. (ii) Radiations are ultrasonic waves. (iii) Black body is having emissivity 2. (iv) Natural convection do not need any external source for fluid flow. (v) Fins cause increase in rate of heat transfer

*August 1, 2012 by siddique*

**ENGLISH 11**

Richard Bone by Edgar Lee Masters: When I first came to Spoon River I did not know whether what they told me Was true or false. They would bring me an epitaph And stand around the shop while I worked And say "He was so kind," "He was wonderful," "She was the sweetest woman," "...

*March 5, 2012 by JIM*

**social studies **

1. who was the governor of Louisiana when the civil war began ? 2. at the begging of the civil war the free men of color supported the Confederacy ? true or false 3. who was the military governor of Louisiana ?

*March 4, 2014 by victoria*

**Interpersonal communication**

In interpersonal communication, when two people are talking face to face, the channel is the air (or auditory channel) around them that carries the message. (Points : 1) True False

*August 14, 2015 by Christopher*

**4th grade math**

1) If a number has 2 and 6 as factors, then it has 12 as a factor 2) if a number has 12 as a factor, then both 2 and 6 are factors. The first statement is false. The second statement is true. Explain why, using words

*October 31, 2016 by Mythreyee*

**communication**

DEFINITION----Selective listening: Involves focusing only on particualr parts of communication QUESTION---Selective listening is effective because we focus on the most important parts of a message. True or False

*April 3, 2010 by Hannah*

**Psychology**

The question is true or false. Language that elicits defensiveness usually involves giving both individuals equal power. I know that when you remove defensiveness then there is equal power, but I don't know what 'elicits' means in this sentence.

*December 7, 2010 by Avalon*

**chemistry**

The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which one of the following ...

*February 27, 2012 by john117*

**law of exponents**

simplify the following expression without using calculator. -2(-4a squared + b cube) square ........ -2 (-4a squared + b cube)(-4a squared + b cube) -2 (16a square - 4a square b cube + b cube) -2 (+ 16 a square = b cube ) -32a square - 2b cube.

*January 25, 2015 by rubbia*

**Chemistry**

After the volatile liquid has been added to the Erlenmeyer flask, the total pressure in the flask equals the vapor pressure of the volatile liquid. True or False?

*February 6, 2015 by Anonymous*

**math**

Each term in a sequence of numbers, except for the 1st term, is 2 less than the square root of the previous term.If the 3rd term of this sequence is 1, what is the first term?

*July 17, 2014 by peter*

**GEOMETRY **

Here are the figures. file:///C:/Users/ALIZAJOY/Pictures/Untitled.png Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle aef 2. equialateral ...

*November 6, 2013 by Barbie Lee *

**phi 103**

1. Logic can help analyze ethical problems. (Points : 1) True False 2. Putting an argument into premise-conclusion form can make it easier to (Points : 1) ignore the argument. think the argument is pretty. evaluate the argument. avoid the argument. 3. Karl Popper advocates, as...

*November 26, 2011 by lisa*

**Calculus (Please Check)**

Show that the equation x^5+x+1 = 0 has exactly one real root. Name the theorems you use to prove it. I.V.T. *f(x) is continuous *Lim x-> inf x^5+x+1 = inf >0 *Lim x-> -inf x^5+x+1 = -inf <0 Rolles *f(c)=f(d)=0 *f(x) is coninuous *f(x) is differentiable f'(x) = 5x^4...

*October 18, 2012 by Anonymous*

**physics**

True or False When electric field lines are curved, the electric field at any point is tangent to the field line at that point.

*October 30, 2009 by Anonymous*

**maths**

one FOURTH OF A HERD OF CAMELSWAS SEEN IN THE FOREST . TWICE THE SQUARE ROOT OF YHE HERD HAD GONE TO MOUNTAINS AND THE REMAINING15 CAMELS WERE SEEN ON THE BANK OF THE RIVER . FIND THE TOTAL NO. OF CAMELS

*December 31, 2012 by sania*