Saturday

July 4, 2015

July 4, 2015

Number of results: 15,018

**chemistry**

An element X burns in air to form an oxide. When the oxide is shaken in water, the resulting solution has a pH greater than 7. What could the element be?
*March 10, 2011 by FQXE *

**Maths**

Find the particular solution of the differential equation from: dy/dx = 2/27(x-3)(x^2-6x+23) / (y) (y>0. For which y=2 when x =1, and then give this particular solution in explicit form. regards Claire
*April 6, 2011 by Claire*

**Chemistry**

10cm3 of hydrogen are burned in oxygen to form water. What volume of oxygen is need to burn hydrogen completely?
*September 24, 2011 by Eloise*

**Algebra 1 (HELP PLEASE!!)**

Can you please tell me the roster form and set-builder notation for: N is the set of real numbers that are factors of 12
*September 25, 2011 by Isabella*

**Math**

(-4,8);6x=7y+3 Write the equation of the line containing the given points and parallel to given line express your answer in y=mx+b form
*October 30, 2011 by Chris*

**CALCULUS HELP ASAP!:(**

Find a cubic function, in the form below, that has a local maximum value of 3 at -4 and a local minimum value of 0 at 3.
*November 2, 2011 by Marguerita*

**5 grade math**

ryan practiced piano for 3/10 of an hour and soccor for 1/2 an hour. in simplest form, how long did he practiced altoghter
*February 3, 2012 by dk*

**Chemistry**

Which pair of compounds will form a solution? A) Benzene (C6H6) and Hexane (C6H14) B) Na2SO4 and Benzene C) NaCl and Hexane
*April 20, 2012 by Emily*

**chemistry**

how many joules of energy must be removed from 325g water at 35 degress celsius to form ice at 0 degress celsius?
*July 3, 2012 by tna*

**Geometry**

The m angle A is 30 more than twice angle B. If angle A and angle B form a linear pair, find the measure of both angles.
*September 8, 2012 by Maria*

**Chemistry**

What determines whether or not the majority of acid is in the protonated form in solution? How does this incorporate both the pH of the solution and the pka of the acid?
*October 30, 2012 by Cristian*

**maths**

When two cube of side 12 cm are joined end to end to form a cuboid then the total surface area of cuboid is
*November 30, 2012 by maihul*

**math**

term given by x+2,3x-1,and 4x-1 form an arithmetic sequence. find the value of x. i didn't get it how to start this question and how it forms arithmetic sequence?
*January 9, 2013 by Riana*

**Spanish**

10. Fill in the blank with the correct form of the verb: ellos/salir. Ellos ______ Is it: Ellos salen or Is it: Ellos salieron Thank You.
*March 21, 2013 by Jack*

**chemistry**

how many grams of iron (iii) nitrate are needed to produce 25.0 g of iron (iii) sulfate form sulfuric acid?
*May 6, 2013 by jinie*

**math**

Let α and β be the roots of 3x2+4x+9=0. Then (1+α)(1+β) can be expressed in the form ab, where a and b are coprime positive integers. Find a+b.
*June 18, 2013 by jack *

**trig**

Find z1z2 and z1/z2 for the pair of complex numbers using trigonometric form. z1=4+9i, z2=-5-5i I got z1z2 = 25-65i But cannot find the z1/z2.
*June 26, 2013 by tony*

**Math: please help**

what is an equation of the line in slope intercept form? m=2/7 and the y-intercept is (0,-12) A.) y=2/7x+12 B.) y=2/7x-12 C.) y=12x-2/7 D.) y=12x+2/7 I think the answer is C or D. I help. I don't really know how to do it. Thank You.
*August 29, 2013 by Cassie*

**Algebra Answer Check**

What is the simplified form of the following expression? 7m^2 + 6.5n - 4n + 2.5m^2 - n a. 9.5m^2 + 1.5n (?) b. 4.5m^2 + 1.5n c. 1.5m^2 - 4.2n d. 9.5m^2 - 1.5n Simplify the following expression. 1/3(21m + 27) a. 7m + 27 b. 7m + 9 (?) c. 63m + 9 d. 7m + 81 What is the sum? 7/4...
*September 21, 2013 by Anonymous*

**math**

find an equation of the line with the given slope that passes through the given point. write the equation in the form Ax+By=C M=3/2, (7,-3)
*October 29, 2013 by ann*

**math**

A field has a width of x m. Its length is 5 m more than its width. Write an algebraic expression, in simplified form, for the area of the field.
*December 18, 2013 by Anonymous*

**math**

Six out of 12 members of the school choir are boys. In simplest form, what fraction of the the choir is boys? a)1/6 b)6/12 c)1/2 d)12/6 . My answer is c.
*December 18, 2013 by ezekiel*

**math**

what is the surface area of the cube below? answer in simplest radical form. One surface of the cube is 576 cm^3
*December 29, 2013 by Francois*

**algebra**

find an equation in point-slope form for the line having the specified slope and containing the point indicated. m=-2/3,(5,0)
*February 3, 2014 by Boo*

**math**

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 (6,9)x+4y=5
*March 3, 2014 by dam*

**College Chemistry**

If 3.00 moles of NaCl were mixed with 0.9 L of 0.5 M of AgNO3, how many moles of solid would form? Include the formula for the solid.
*April 25, 2014 by Kevin*

**Math**

How many grams of Ag2S react to form 174 g of AgCl? see below: Ag2S + 2 HCl ==> 2 AgCl + H2S
*May 17, 2014 by Daniel Macombson*

**Alegbra**

given the point-slope form of a line, find the point and slope we could use to graph y-4=3/2(x+5) answers: P: (-5/4) S: (3/2) how do I get to the answer
*July 14, 2014 by sharon*

**math plz ugh**

Find an equation of the line with slope -3/4 and y-intercept (0,-5).write the answer in slope intercept form.
*August 3, 2014 by Anonymous*

**sci**

Two nonmetals from Group 16 are likely to form a(n) metallic bond. double bond. ionic bond. covalent bond.
*October 28, 2014 by somebody help i am new*

**chemistry**

Iron and oxygen gas can react to form the magnetic oxide of iron Fe3O4. How many grams of Fe3O4 can be made from 13.2 g of O2?
*December 8, 2014 by dave*

**Math**

The function f(x) = x^2 -2x + x^1/2 is: A. A polynomial because it is continuous. B. A polynomial because it is of the form axn. C. Not a polynomial because you are subtracting 2x. D. Not a polynomial because you cant have any fractional exponents. Is the answer D?
*February 18, 2015 by Tiffany*

**math**

A line L1 passes through point (1, 2) and has gradient of 5. Another line L2, is perpendicular to L2 and meets it at a point where x = 4. Find the equation for L2 in the form of y = mx + c
*February 20, 2015 by kudu*

**maths **

In a class, there are 12 girls and 14boys. Express in its simplest form, the ratio of girls to the total number of students in that class.
*February 21, 2015 by tuimano*

**math**

The equation of a certain line, when written in general form, is 5x+3y+7=0 . The slope of the line is m , the y-intercept of the line is b , and x-interept of the line is x1 . what is the Value of m*b*x1 ?
*March 24, 2015 by Joy*

**please revise my paragrpah**

Caitlin Petre is a graduate from Stanford, a well-known school. She graduated with a 3.90 GPA with a Philosophy degree. One day, Petre went for an interview for a job and she was asked to fill out a W-4 form. While filling out the form, Petre experienced some trouble because ...
*November 27, 2007 by julie*

**science**

What kind of streams form v-shaped valleys? Streams that are first forming,streams that move slowly, streams that have meanders?
*December 6, 2007 by jeremy*

**chemistry**

A) If you make up a solution of 50 mL of 0.1 M TRIS in the acid form, what will be the pH? (pka of TRIS: 8.3, molecular wt: 121.1 g) B) if you add 2mL of 1 M NaOH to the solution, what will be the pH? Thank you.
*February 2, 2008 by matt*

**Algebra**

In this equation (Slope Intercept Form of a linear equation), y = mx + b, which variable relates to the domain and which one relates to the range of a function?
*February 22, 2008 by James*

**Algebra**

Write the slope-intercept form of an equation for each line, given either the slope and the y-intercept or the coordinates of two points. (5, -3) and (-4, -3)
*May 5, 2008 by Samuel*

**algebra 116**

(3,5) 2x+y=3 .Write an equation of the line containing the given point and perpendicular to the given line. Express your answer in the form y=mx+b
*September 7, 2008 by Maria*

**Chemistry**

Could this be right? :AG^+1 is the cation. The Anion is SO4^-2. For the compound I wrote Ag4SO1, and in word form, I wrote Silver Sulfite. Is this right?
*March 9, 2009 by Nelle*

**Law**

A 501 (c) 3 status does not mean you have a tax exempt form, right? 501 (c) 3 status only means you are nonprofit?
*April 6, 2009 by Christopher*

**math am i correct**

Multiply 3/5 times 25 Write your answer in simplest form. I also have to show my work it this correct? 3/5 times 25/1 15/1 = 15?
*July 19, 2009 by scooby9132002*

**trigonometry**

Complete the square to Solve Quadratic Equation: Solve the equation. Express the answer in simplest radical form. -x^2-7x=-11 Please Help!!!! Thanks.
*November 12, 2009 by Sarah*

**trigonometry**

Complete the square to Solve Quadratic Equation: Solve the equation. Express the answer in simplest radical form. -x^2-7x=-11 Please Help!!!! Thanks.
*November 12, 2009 by Sarah*

**Calc**

Find a cubic function, in the form below, that has a local maximum value of 3 at -2 and a local minimum value of 0 at 1. f (x) = ax3 + bx2 + cx + d
*November 16, 2009 by Jared*

**algebra**

Write an equation of the line containg the given point and parallel to the given line express answer in the form y=mx+b (7,8),x+2y=7 Please help
*November 28, 2009 by muff*

**college algebra**

I have a line equation whose slope is -2 and passes through(-1,6) I have a slope intercept form of y=-2x+4 is this correct or could this be -2x+8
*April 23, 2010 by Jake*

**Spanish**

What is the proper form? Nosotros (deber/estudiar)___ mucho esta semana. debemos/estudiamos or debemos/estudiar
*July 8, 2010 by Trina*

**chemistry**

how many mililiters of a 0.27 M HCl solution are needed to react completely with 2.7 g of zinc to form zinc (II) chloride?" equation. 2 HCl + 1 Zn -----> 1 ZnCl2 + 1 H2
*July 12, 2010 by Nicole*

**Math**

Write each complex number in rectangular form? I need help with this. :/ 2(cos120+i sin 120) and 4(cos 7π/4 + i sin 7π/4) ?
*October 17, 2010 by Fernando*

**algebra**

write an equation in the form of y=x,that would demonstrate the given transformation. a shift to the left one space and up one space>
*November 10, 2010 by draven*

**English**

1. How do you pronounce 'mouths'? (plural form) Can we omit the 'th' sound in normal speech? 2. clothes (We can omit the 'th' sound in this word, right?)
*November 13, 2010 by rfvv*

**chemistry**

Calculate the mass for: A gold sample that absorbs 225 J to change its temperature form 15 degrees celsius to 47 degrees celsius.
*January 31, 2011 by Beth*

**math**

use the four digits 3 4 5 6 exactly once each to form a division problem which has a quotient of 0.08 write the appropriate division problem
*March 1, 2011 by michael*

**math/ geometry.**

the vertex angle of an isoceles triangle is 120. the base length is 18. what is the length of the altitude to the base in simplest form
*March 19, 2011 by Juleana*

**PRECALCULUS**

write the complex number in standard form a+bi sqrt 7 (cos pi/12 + i sin pi/12) (sqrt = square root, i= imaginary number)
*April 19, 2011 by YOSHI*

**PRECALCULUS**

write the complex number in standard form a+bi sqrt 7 (cos pi/12 + i sin pi/12) (sqrt = square root, i= imaginary number)
*April 19, 2011 by YOSHI*

**chemistry**

How can precipitates be dissolved? never? by adding constituent ions to the solution? by complexing one of the constituent ions in a soluble form?
*April 24, 2011 by stephen *

**Math**

Find the equation of a hyperbola of the form x squared / M - y squared / N = 1 the transverse axis is 12 and the foci from the center is 16 is the answer x squared / 36 - y squared / 220 = 1
*May 3, 2011 by Anonymous*

**Calculus**

Form a polynomial, f(x) with real coefficients having the given degree and zeros. Degree: 4 ; Zeros: 4i and 5i Really need help! don't know where to start.
*September 22, 2011 by Mary*

**chemistry**

How many grams of carbon disulfide,CS2 will form if 0.450 mol of carbon is consumed in a 3C+2SO2=CS2 +2CO2 reaction
*October 15, 2011 by denis*

**chemistry**

How many grams of carbon disulfide,CS2 will form if 0.450 mol of carbon is consumed in a 3C+2SO2=CS2 +2CO2 reaction
*October 16, 2011 by denis*

**english**

1. verb tense 2. main verb past tense form 3 regular or irregular I will wash those dirty dishes.
*November 7, 2011 by stephanie*

**Math: Linear Equations**

What is "3x=9" in y=mx+b form, and what is its slope, y-intercept, and x-intercept? [i think that its x-intercept is (3,0), but i'm not sure about any of the others] Also, what is the x-intercept of "2y+16=0"? [is it "none"?]
*December 15, 2011 by Cicilia*

**Math: Linear Equations**

What is "3x=9" in y=mx+b form, and what is its slope, y-intercept, and x-intercept? [i think that its x-intercept is (3,0), but i'm not sure about any of the others] Also, what is the x-intercept of "2y+16=0"? [is it "none"?]
*December 15, 2011 by Cicilia*

**literary**

what are least three elements in the poem that you found interesting or engaging(e.g., form, language, conten, and/or other literary elements).
*January 29, 2012 by Anonymous*

**MATH Algebra 116**

is this correct? multiplying ans writing it my answer in standard form. (2*10^5)*(4*10^3) =8*10^8 =800000000 then my answer should be 8.0 I am correct?
*June 28, 2012 by Mia*

**Mathematics**

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.
*July 10, 2012 by INDIANA*

**Mathematics**

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.
*July 11, 2012 by INDIANA*

**Mathematics**

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.
*July 12, 2012 by INDIANA*

**Mathematics **

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.
*July 16, 2012 by SAMARA*

**Mathematics**

write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.
*July 20, 2012 by Samara *

**College Math**

Find an equation in slope-intercept form passing through the points (-4.7, 16.3) and (-2.9, 16.3). Hint: first find the slope!
*October 19, 2012 by Richard D*

**Math**

Please help me understand this question, thanks! 10. Write the slope-intercept form of an equation of the line perpendicular to the line in Exercise 7 with a y-intercept of -3. 7. (4, -9), (-3, 2)
*November 12, 2012 by Emma*

**Math**

Find the ratio of bananas to oranges. WRite the ratio as a fraction in simplest form. Then explain its meaning. 1/3? 1 banana to 3 oranges?
*November 16, 2012 by Jerald*

**calculus**

form a polynomial with real coefficients have given degree and zeros. degree 5, zeros 9, -i; 8+i please show work
*December 22, 2012 by Jimmy-can someone please help*

**Pre-Cal.**

find all the zeros of the following polynomial. Write the polynomial in fraction form. Show all the work. f(x)= x^4+3x^2-40
*December 26, 2012 by phyllys*

**math**

find two fractions with a sum that is greater than 1.6 but less than 1.9. write your fractions in simplest form and compute their exact sum.
*January 14, 2013 by nita*

**Chemistry**

The density of carbon in the form of diamonds is 3.51 g/cm^3. If you have a 40- carat spherical diamond, what is the diameter of the diamond in millimeters? (1 carat=0.200 g)
*March 7, 2013 by Sophie*

**Algebra**

How many positive integers n≤1000 cannot be written in the form a2−b2−c2 where a,b and c are non-negative integers subject to a≥b+c?
*March 18, 2013 by Stranger*

**math**

Noor has 24 blockst .3 are red,7 are blue and the rest are white.what fraction of her blocks is white.write the fraction in simplest form
*April 1, 2013 by zainab mohammed*

**english**

I will call you before i leave for station.Leave only after i call. ans : If I do not ... ... .... .... ... .... . will you please write the correct form ?
*April 20, 2013 by R S Telagathoty *

**Math**

The m angle is 30 times more than twice angle B. If angle A and angle B form a linear pair find the measurement of both angles.
*September 8, 2013 by N*

**physical science**

calculate the mass and volume of oxygen released when 29;4g potassium chlorate decomposes to form potassium chloride and oxygen
*September 30, 2013 by asanda*

**Ratios Math (Please Help)**

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
*December 5, 2013 by Mileena*

**algebra**

write an equation in slope-intercept form for the line that is parallel to the given line and that passes through the given point. y=1/2x+5:(4,-3)
*January 17, 2014 by genny*

**Math**

Write an equation in slope intercept form of the line that is perpendicular to the given line and that passes through the given point 3x-4y=8 ; (-6,5)
*April 20, 2014 by Ava*

**Algebra 1 (Step-by-Step)**

Will someone explain how to solve this? Write each equation in standard form. Solve by using the Quadratic Formula. 1. -7 = x^2
*May 12, 2014 by Victoria*

**Math**

the angles are adjacent and form an angle measuring 140 degrees. the measure of the smaller is 28 degrees less than the measure of the larger.
*September 24, 2014 by kahn*

**chem**

How many grams of the adipic acid (C6H10O4) could form from the reaction of 15.00 g of cyclohexane (C6H12) with the 25.00 g of oxygen? Will the formula be... 2O2 + C6H12 ---> C6H10O4
*November 4, 2014 by michelle*

**Science Help!**

Two nonmetals from Group 16 are likely to form a(n) A. Metalic bond. B. Double bond C. Ionic bond D. Covalent bond Is the answer C? Thank you
*November 12, 2014 by Callie*

**French Questions**

1. Je trouve a gentil(le). Can I choose the form of gentil based on whether a is male or female? 2. Does que + elle = qu'elle?
*February 20, 2015 by Anonymous*

**Language arts **

I have to find symbolism and repetition in a poem. I know what the repetition is I just wanted to know if personification is a form of symbolism. Please help!
*March 19, 2015 by Crazyface1212*

**Algebra ll**

Please help!! I do not understand any of this!! Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 4; zeros: 2, multiplicity 2; 3i
*May 11, 2015 by Sherri*

**Life orientation**

"The media do not us to think.they tell us what to think about" analyse media form over the same 1 week period
*June 6, 2015 by Khosi nhleko*

**math**

Rewrite the equation below in slope intercept form y = mx + b. Use fractions for the slope and the y-intercept, as needed. 4x+5y=7
*October 14, 2007 by Jessica*

**math**

Rewrite the given equation in slope intercept form y = mx + b. Use fractions for the slope and the y-intercept, as needed. 4/5x + 6/5y=4
*October 14, 2007 by Jessica*

**Math**

Write an equation in slope-intercept form for the line that passes through (3,5) and (-2,1). y2-y1/x2-x1 1-5/-2-3 -4/-5= slope y=mx+b y=-4/-5(3)+b -2=2.4+b -4.4= y-intercept y= -4/-5x+4.4 (answer)
*February 25, 2008 by Jon*