Sunday

December 4, 2016
Number of results: 17,195

**Statistics**

I don't mind you showing me the caluclator key strokes to do this or show me the mathematical way whice ever thanks Here is a simple probability model for multiple-choice tests. Suppose that a student has probability p of correclty ansering a question chosen at random form a ...

*January 26, 2010 by Kate*

**chemistry**

1 In the reaction of potassium permanganate and iron salt in acidic medium, how many moles of manganese reacted with iron? 2 moles of Mn with 1 mole of Fe 1 mole of Mn with 5 moles of Fe 1 mole of Mn reacts with 1 mole of Fe 5 moles of Mn reacts with 1 mole 2 Which of the ...

*September 16, 2015 by onyi*

**words**

can you help with this 100 s on a s and l b 0 p l h Please rewrite you question in mathematical form. its not maths it a saying or phrase. the letters represent words yes it is

*September 4, 2005 by tina*

**science**

why are stars shaped in a star form All stars are spheres. Their own gravity forces then to take that shape

*October 23, 2006 by nicole*

**science**

Are there similarities between mixtures, elements and compunds? Please help!! Thanks!! all are matter, in one form or another. Are there anymore similarities?

*June 3, 2007 by Kimberly*

**algebra**

write equation of line that passes through P(0,0) and is parallel to given line, x=8y-16, answer in slope intersect form.

*September 16, 2007 by Rick*

**Geometry again**

Write the slope-intercept form of the equation of the line passing through the point (5,1) and parallel to the line y=-4x-2.

*October 26, 2007 by alan*

**science**

During reproduction, the sex cells containing the chromosomes M1 and Fl combine to form a fertilized egg..a. Whichalleles are on each of the chromosomes?

*January 24, 2008 by katie sandly*

**Pre-Algebra**

The ratio of cars to people in Australia is 350 to 1000. Write this ratio as a fraction in simplest form.

*March 2, 2008 by Brandon Mirza*

**algebra3**

use a calculator to find the decimal form of the rational number. if it is a nonterminating decimal, write the repeating pattern.

*August 11, 2008 by amber*

**Music**

music take you into the mental state of the composer what does the quote mean usin da criticallens form pls???

*September 17, 2008 by John*

**Science**

I need some help with knowing that work is not a form of heat. I know this but what I need is evidance. Can someone please explain it to me? THANKS A BUNCH!

*October 4, 2008 by Taylor*

**social studies**

I need information on Octavius Valentine Catto to form into a powerpoint? What information should I include in it as well?

*January 9, 2009 by Peter*

**math**

I'm doing my math, but i don't understand these 3 things mean: lowest common denominator simplest form of a fraction reciprocal help plz and thank u!

*January 25, 2009 by beeca*

**math**

solve algebraically, express the roots in exact form 2sinxcosx-1=0 I got: 2sinxcosx=1 sin^2x=1 what do I do next? thanks in advance

*March 1, 2009 by sh*

**Algebra**

Find an equation of the line having the given slope and containing the given point. Express your answer in the form x=a,y=b or y=mx+b; with m=-8,(7,0)? how do I do this?

*March 2, 2009 by A.W.*

**chemistry**

what are structural formulas?? also is this correct hybridization is the setting aside of p orbitals in order to form bonds (pi bonds)

*May 5, 2009 by lyne*

**math**

Perform the operation and write the result in standard form. 1 + i over i - 3 over 4 - i Do I have to multiply top and bottom by i?

*June 10, 2009 by Jack*

**maths**

the functions f and gare defined by f(x)=2/(x+1), x>0 g(x)=1-x^2, xER a)find value of fg(x)giving your answer in the simplest form. b) find f^-1(x) c) solve f(x)= f^-1(x)

*September 28, 2009 by ???*

**algebra**

How do you write equations for 4 lines that intersect to form the sides of a parallelogram? What must be true about such lines?

*January 10, 2010 by emily*

**aspirin**

during the synthesis of aspirin, why do the crystals mostly form when the test tube is placed in the ice bath and not before?

*January 24, 2010 by chrissy*

**Government**

In a democracy, those who are accountable to the people for what is done in their name. Which form of government, presidential or parliamentary, comes closer to this idela? why?

*January 25, 2010 by Jake*

**psychology**

i need to find a website that i can down load a copy of an adult psychologial treatment form...where can i find one????

*February 23, 2010 by barb*

**statistics**

Find the critical value zc necessary to form a confidence interval at the given level of confidence. a. 90% = 1.645 b. 85% = 1.8025

*April 1, 2010 by looking for someone to varify my work please*

**math**

A counterclockwise quarter-turn Q about the origin is applied to the point (x, y). What are the coordinates of the image point? Answer in the form Q(x, y) = (ax + by, cx + dy).

*April 11, 2010 by yadlay*

**Math**

The Relatioship between x and y is y=5x + 18 How does the value of y change when x increses form 1 to 4? a. y increase by 15 b. y increase by 3 c. y decresases by 3 d y dercreased by 15 Help Prettty Pleassseee !

*April 20, 2010 by Emily*

**Algebra**

1. Evaluate each. Write the answer in simplified radical form: __ __ __ i) ã3 ∙ 3ã3 ∙ 4ã3 _________________ ii) ãx 3ãy 5ã ________ 4ãz2(Z squared)

*May 9, 2010 by Roger*

**algebra**

Put the equation in the form ax2 + bx + c = 0. Enter exponents using the caret ( ^ ). For example, you would enter 4x2 as 4x^2. 4x^2+5x=(3x-1)^2-3x^2

*June 17, 2010 by trevor*

**biochemistry**

A cellular structure is composed of 20 proteins that have identical structures. How many gene products are required to form this structure?

*August 18, 2010 by edd*

**Chemistry**

Which of the following aqueous solutions should form a precipitate with aqueous Fe(NO3)3? 1. KCl 2. KNO3 3. KOH 4. K2SO4

*October 5, 2010 by John*

**Chemistry**

how many milliliters of a 0.78 M HCl solution are needed to react completely with 6.4 g of zinc to form zinc(II) chloride? Answer in units of mL.

*October 5, 2010 by Nathan Espinosa*

**math**

Write the equation of the perpendicular bisector of the line segment AB with endpoints A(1,1) and B(7,5). Write your answer in slope intercept form.

*November 16, 2010 by Marissa*

**Algebra **

Write the equation of the prpendicular bisector of the line segment AB with endpoints A(1,1) and B(7,5). Write the answer in slope-intercept form.

*November 18, 2010 by Marissa*

**Biology**

Explain the importance of carbon's ability to form covalent bonds in straight chains, branched chains, or rings.

*January 20, 2011 by tiffany*

**Chemistry**

Are binary compounds ionic or covalent? If they are covalent, I thought they don't form bonds that way, since they share electrons.

*March 15, 2011 by Emily*

**chemistry**

How many grams of oxygen gas are required to react completely with 14.6 g of solid sodium to form sodium oxide, Na2O(s)?

*March 20, 2011 by franci*

**Ann**

Need to write fraction as a whole or mixed number. Express fractions in simplest form.. 1. 76/12 Answer= 6 1/6 2. 88/10 Answer= 8 2/5

*May 9, 2011 by Math*

**chemistry**

pure hydrogen gas is burns gently, combining with the oxygen gas of the air to form water vapor

*June 12, 2011 by sara*

**chemistry**

When 0.100 mol of carbon is burned in a close vessel with 8.00g of oxygen, how many grams of carbon dioxide can form?

*July 24, 2011 by Kristin *

**Math**

Use the information provided to write the vertex form equation of each parabola. a)y + 60x + 294 = -3x^2 b)−(y+1) = (x−4)^2

*July 27, 2011 by Kate*

**Chemistry**

Which of the following aqueous solutions should form a precipitate with aqueous Fe(NO3)3? 1. KOH 2. KCl 3. K2SO4 4. KNO3

*September 29, 2011 by Yep*

**Simple math question !!**

The equation of the line that goes through the point ( 3 ,5 ) and is parallel to the line 2 x + 4 y = 2 can be written in the form y = mx+b where m is and where b is? Please help me !!!

*October 9, 2011 by Anonymous*

**calculus**

Find the cubic function of the form y=ax^3 + bx^2 + cx + d which has a relative maximum point at (0,2) and a point of inflection at (-1,-2). How do I even start this one?

*October 17, 2011 by Anonymous*

**Physics 3**

A potential energy function for a two-dimensional force is of the form U = 3x3y – 7x. Find the force that acts at the point (x, y).

*October 20, 2011 by Anonymous*

**math**

Given the equation x^2 +y^2+8y-65=0 (a) Write the equation in standard form. (b) State the center, radius, and intercepts. (c) Submit the graph

*November 10, 2011 by tiona*

**math**

Given the equation x^2 +y^2+8y-65=0 (a) Write the equation in standard form. (b) State the center, radius, and intercepts. (c) Submit the graph

*November 10, 2011 by tiona*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**geometry**

The corners of the square, 2m. sides, are cut off to form a regular octagon. What is the length of the side of the resulting octagon?

*November 24, 2011 by Lian*

**precalc/trig**

Find the trigonometric form of the number. (Round any angles to two decimal places.) −8 − i

*November 29, 2011 by Alex*

**Geomtry**

Five fences meet at a point to form angles with measures x, 2x, 3x, 4x, and 5x around the point. Find the measure of each angle.

*December 11, 2011 by Timothy*

**linear equations**

Write the equation of a line in slope-intercept form that is perpendicular to the line and passes through the point (-9, 4).

*December 14, 2011 by nick*

**math**

Enter in standard form the equation of the line passing through the given point and having the given slope. B(2, - 5), m = -2/3

*January 16, 2012 by anna*

**biology**

Explain the importance of carbon's ability to form covalent bonds in straight chains, branched chains, or rings.

*January 24, 2012 by brittany*

**chemistry - science**

calculate molarity of NaOHin the solution prepared by dissolving its 4g in enough water to form 250ml of this solution ?

*February 17, 2012 by tania *

**Precalculus**

What is the answer and how did you do for this question? Please I really need help! :( Express in rectangular form: 6(cos(4π)/(3)+i sin(4π)/(3)?

*March 29, 2012 by Scarlet*

**Geometry**

An equilateral triangle has a perimeter of 120 inches. What is the area of the triangle? Express your answer in simplest radical form.

*April 10, 2012 by Cassie*

**chem**

Calculate the molarity of a solution made by dissolving 0.150 in enough water to form exactly 730 of solution

*April 18, 2012 by joe*

**Chemistry**

what mass of sodium chloride will be required to completely react with 4.00 x 10(24) units of AgNO3 and form AgCl and sodium nitrate?

*April 28, 2012 by RoseBud*

**trig**

Find the component form for vector v with the given amplitude and direction angle theta. |v|=20.6, theta=102.5deg

*April 30, 2012 by Sam*

**college chemistry2**

calculate the molarity of a solution containing 20.0g of sulfuric acid in 500 ml of solution?in a solving problem form?

*August 5, 2012 by raymond benzon*

**chemistry**

How many milliliters of a 0.16 M HCl solution are needed to react completely with 4.8 g of zinc to form zinc(II) chloride? Answer in units of mL

*September 19, 2012 by cheri*

**chemistry**

Which of the following aqueous solutions should form a precipitate with aqueous Fe(NO3)3? 1. KNO3 2. KCl 3. K2SO4 4. KOH

*September 19, 2012 by cheri*

**AP chemistry**

which of the following aqueous solutions should not form a precipitate with aqueous ba(no3)? 1. KOH 2. K2CO3 3. K2SO4 4. K3PO4

*September 22, 2012 by Anonymous*

**college algebra**

write the equation of the circle in standard form find the center radius, intercept and graph circle x^2 +y^2+8x+2y+8=0

*October 26, 2012 by zachary*

**Math**

Just wanted to check over these.. "What is (–7)^5 in expanded form? –7 • –7 • –7 • –7 • –7 –7 • 5 (–7) • 7 • (–7) • 7 • –7 5 • 5 • 5 • 5 • 5 • 5 • 5" The answer is "–7 • –7 • –7 • –7 • –7", right? Also: "Which...

*October 9, 2012 by ._.*

**Math**

1.What is the sum of the digits in the expanded form of the number 384cuberoot x5raised to the 20?What is 384cube root x5raised to the 20 in scientific notation?

*December 1, 2012 by Aliza*

**chemistry**

Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.

*December 15, 2012 by julie*

**Conestoga**

predict whether a solid will form. Identify the solid and write the balanced equation for the reaction. Na2S(aq)Cu(NO3)2(aq)

*December 16, 2012 by anonymous*

**Pre Calculus**

find an equation in standard form for the ellipse if the major axis endpoints are (-5,2) and (3,2); the minor axis length is 6.

*December 19, 2012 by Trista*

**math**

Find an equation of the line (in slope-intercept form) that passes through the point (7,5) and is perpendicular to the line 7x + 10y - 17 = 0 y=?

*February 8, 2013 by ashley*

**math**

Find an equation of the line (in slope-intercept form) that passes through the point (7,5) and is perpendicular to the line 7x + 10y - 17 = 0 y=?

*February 8, 2013 by joy*

**Physics**

How much heat must be removed when 25 grams of steam at 100°C Is condensed to form liquid water at 100°C?

*March 6, 2013 by tasha*

**algebra 1**

write in scientific notation and standard form. (1.9x10 to the second power)times (4.7x10 to the 6th power) how do you do this?

*March 20, 2013 by Anonymous*

**quiz**

We are given 7 squares of side lengths 1, 2, 2, 2, 3, 4, 5. They can be fitted to form a rectangle, with no overlap or gaps in-between. What is the perimeter of the rectangle?

*April 1, 2013 by Anna*

**chemistry**

Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.

*April 3, 2013 by kelli*

**Geometric Progression**

Integers a, b, c, d and e satisfy 50<a<b<c<d<e<500, and a,b,c,d,e form a geometric sequence. What is the sum of all possible distinct values of a?

*June 19, 2013 by Mathslover*

**trig**

Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form. [2(cos 240° + i sin 240°)]^5

*June 28, 2013 by tony*

**english**

What is the correct form of this sentence "The table of contents list ten different lessons on correct grammar usage"

*August 28, 2013 by klive*

**AP Chemistry**

How many milliliters of a 0.62 M HCl solution are needed to react completely with 4.7 g of zinc to form zinc(II) chloride? Answer in units of mL

*September 10, 2013 by Gabriella*

**Math **

What is an equation of the line having the given slope and containing the given point. Please express your answer in the form y=b or y=mx+b

*September 13, 2013 by Pam*

**algebra 1**

can someone please help me solve the question and explain to me and also show me specifically what to do step by step??? Q: what is the standard form of Y-8=2(x+2)?

*November 9, 2013 by Catarina*

**Algebra 1 **

Write an equation in standard form of the line that passes through the given point and has the given slope m. (4,3), m= 7 I got 7x-y=25

*November 21, 2013 by Jynessa*

**Math**

The x-axis, the y-axis, and the line through the point (1, 3) having slope -3 form a triangle, find the area. Is the answer 6

*December 26, 2013 by Lilly*

**Trigonometry**

What is the surface area of the cube below? answer in simplest radical form only one surface is 576 cm^3

*December 29, 2013 by Francois*

**Math Pre-Cal**

When I am giving the point vertex of (1,-1) and another point of (2,2) and i need to put the answere in the form f(x)=ax^2+bx+c how would I go about doing that?

*January 30, 2014 by Holly *

**Algebra Question~!**

A sphere has a radius of 3x+2. Which polynomial in standard form best describes the total surface area of the sphere?

*March 15, 2014 by Gabby*

**math**

Write an equation of a line perpendicular to line AB below in slope-intercept form that passes through the point (7, 6). A (0,1) B (-2,5)

*March 26, 2014 by Henry*

**maths**

Three positive numbers form an increasing G.P. If the middle term in this G.P. Is doubled , the new numbers are in A.P. Then the common ratio of the G.P. Is?

*April 6, 2014 by sagar tiwari *

**Calculus**

Find the derivative of the following function using the appropriate form of the Fundamental Theorem of Calculus. intergral s^2/(1+3s^4) ds from sqrtx to 1 F'(x)=?

*April 18, 2014 by Brady*

**Geometry**

The side lengths of two different cubes are 25 cm and 35 cm. What is the ratio of the volume of the smaller to the volume of the larger (in simplest form)?

*June 1, 2014 by Yaz*

**Math Help**

In the population of a praticular country, the male to female ratio is 48 to 62. Write this ratio as a fraction in simplest form. A. 2/3 B. 1/4 C. 24/31 D. 31/24 Is the answer C?

*November 20, 2014 by callie*

**Chemistry **

Write a balanced equation Solid phosphorus (P) combusts with oxygen gas to form solid tetraphosphorus heptaoxide.

*January 6, 2015 by Rachel*

**Chemistry**

How many grams of solid product should form if 4.90 grams of sodium phosphate is mixed with 25 ml of .875M barium nitrate?

*January 14, 2015 by Jefferson*