Number of results: 39,930

**Organic Chem**

Potassium tert-butoxide is a common base for E2 reactions because it is _______. A. weak base B. an organic base C. a strong base D. a bulky base

*March 6, 2009 by nilee*

**Geometry**

a baseball diamond is a square wiht 4 right angles and all sides congruent. wrte a two column proof to prove that eh distance from first base to third base is the same as the distance from home plate to second base. write a two column proof to prove that ehd angle formed by ...

*February 17, 2013 by Me*

**adding**

556+555

*March 26, 2011 by malisha*

**Math**

you use a rectangular piece of cardboard 20 in by 30 to construct a box. you square the sides x in. from each corner of the piece of cardboard and then fold up the sides to form the bottom. A. write a function A to represent the area of the base of the box in terms of x. B. ...

*January 4, 2011 by Kim*

**algebra 1**

which deal gives you more pizza: two six inch pizzas or one ten inch pizza

*January 28, 2014 by Anonymous*

**Algebra**

Six times a number less ten is equal to two times the same number plus four.

*January 24, 2017 by Don*

**math**

Chen is covering a 12-in. by 10-in. board with 1-inch-square tiles. He uses gray tiles to make six 2-in. by 2-in. squares. He covers the rest of the board with white tiles. How many more white tiles than gray tiles will Chen use? Six small rectangles inside a larger rectangle...

*June 10, 2015 by Anonymous*

**comparing fractions**

at Morris Elementarhy there are 45 students in each grade, four though six. In the fourth grade, 19 participate in sports after school. Two out of every six fifth grade play sports after schoo;. In the sixth-grade class, seven of every ten students are not playing sports. ...

*November 3, 2010 by maria*

**algebra**

If you multiply a number by six and then subtract negative ten, the difference is negative twenty. What is the number?

*March 10, 2014 by Anonymous*

**Pre-Calc 20**

**EDIT** A rectangle has a diagonal of 18cm. The diagonal creates a 60 degree angle at the base of the triangle. Write an exact expression for the base and the height of the triangle. My teacher wants the base and height answered in roots so do you think you could switch the ...

*September 23, 2016 by Julie*

**Math**

I am thinking of an odd two digit number.The sum of its digits is eight.The difference of its digits is six. It is greater than ten and less than twenty. What is my number?

*August 13, 2012 by Rosa*

**english**

what is a numeral?

*November 20, 2007 by judy*

**Math**

What is the word form for 1.555?

*September 15, 2010 by Barb*

**Math**

What is the value of the second 5 in 1.555?

*September 15, 2010 by Barb*

**Algebra 2**

The base of an isosceles triangle is 1/4 as long as the two equal sides. Write the area of the triangle as a function of the length of the base.

*September 14, 2015 by Raven*

**precalc help**

Find the exact value without a calc 1. log base 3 of 8 times log base 8 of 9. I started by changing both bases to 10 but don't know what to do from there. 2. e ^ log base e^2^9. I hope that isnt confusing. My teacher said we are suppose to get the bases all e, but how because ...

*November 21, 2012 by Rebekah*

**math**

Draw a picture of base-ten blocks and use the area interpretation for multiplication to show 34 X 28 complete the calculation by using a paper-and-pencil algorithm

*June 15, 2009 by heatherly*

**AP Chemistry**

Write the expression of for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.

*January 11, 2010 by Angie*

**math**

how do i get the answer to this question. the base of an isosceles triangle is half as the two equal sides. write the area of the triangle as a function of the length of the base

*September 13, 2012 by Anonymous*

**math**

what is the roman numeral for 80

*February 27, 2014 by Anonymous*

**8th grade**

What would be the right way to convert base 16 to base 10, such as for an example, 1BD base 16 to base 10?

*March 21, 2010 by Khyir*

**math**

Round 5,555 to the nearest hundred.

*September 23, 2008 by Deja*

**Chemistry**

4 a) Write the chemical formula for the simplest pentene isomer, b) give the name of the two isomers that have pentene as the base chain, c) give the name of the three isomers that have butene as the base chain, d) give the name of the 5 chain cyclic isomer, e) give the name ...

*March 26, 2012 by Hannah*

**math**

Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c. The last ten d. The ...

*June 17, 2013 by mysterychicken*

**English**

PRINT AND BRING THIS COUPON IN Spend 20$ or more, you get 20% off 10/16/2010 only -------------------------- This is a part of an advertisement on the Internet. The expressions above is in a dotted box line. On the top in the middle of the dotted line, there is a scissor.What ...

*November 18, 2014 by rfvv*

**algebra 2**

a trapezoid has one equal base to its height, x, and the other base is twice as long.write the expression for the area of the trapezoid as a common fraction in terms of x.

*November 27, 2010 by mychelle*

**English**

1. The dog is black and white. 2. The dog is blown. 3. One is a black and white dog and the other is a blown dog. 4. It's ten to twelve. 5. It's ten before twelve. 6. It's ten past twelve. 7. It's ten after five. (Are the sentences all grammatical? Have a great day!)

*September 13, 2011 by rfvv*

**arithmetic**

find the value of each group of base ten blocks = 100 block = 10 small block = 1 how do you figure this out?

*August 22, 2012 by thomas*

**math**

What would be the right way to convert base 16 to base 10, such as for an example, 1BD base 16 to base 10?

*March 21, 2010 by Khyir*

**math**

Can you tell me if this is the correct way to write in standard form: 1. Fifty-four million, six and six hundredths: 54,000,006.06 2. Thirty-three million, five and five hundredths: 33,000,005.05

*March 11, 2009 by rissy*

**geometry!! urgent (math)**

The lateral edges of a regular hexagonal pyramid are all 20 cm long, and the base edges are all 16 cm long. To the nearest cc, what is the volume of this pyramid? To the nearest square cm, what is the combined area of the base and six lateral faces?

*September 4, 2008 by Noelle*

**maths**

A library opens with a collection of 300 books. During the first week after the opening, an additional ten books are donated to the library’s collection. In each subsequent week, six more books are donated to the library’s collection than were donated in the previous week...

*April 21, 2016 by Emma*

**chemistry - check please**

Have I balanced this right Al2Se3 + 6 H2O ==> 2 Al(OH)3 + 3 H2Se Let me give you a hint on these, write water as HOH, and it balances faster. Treat the OH as a group. Al2Se3 + 6 H(OH) ==> 2 Al(OH)3 + 3 H2Se Yes, it is balanced: see the six H on each side, and the six OH ...

*February 25, 2007 by Laura*

**math**

The united ages of a man and his wife are six times to united ages of their children. Two years ago their united ages were ten times the united ages of their children and six years hence their ages will be three times the united ages of their children. How many children have ...

*July 6, 2015 by omkar bisht*

**Math**

Convert from base 10 to the indicated base. 2500 to base 14 I got CA8 to the base of 14. Is that correct?

*September 22, 2010 by Serena*

**math**

What is another name for the Roman numeral XV?

*May 1, 2012 by Leo*

**math**

.in the decimal fractions0.1 and 0.02 the numeral 1 is ?

*June 2, 2012 by don*

**math**

What is the numeral for Two Million?

*December 5, 2012 by Aaliyah*

**math**

There are ten children standing in the line, not all of whom have the same number of cakes with them. If the first child distributes his cakes to the remaining six children such that he doubles their respective number of cakes, then he will be left with four cakes. Instead, if...

*December 9, 2016 by sagar rajput*

**statistics**

A restaurant menu has 5 kinds of soups, ten kinds of main courses, six kinds of desserts, and eight kinds of drinks. If a customer selects one item from each category, how many different outcomes are possible?

*September 7, 2016 by jelai*

**math**

round 8,438 and 5,555 to the nearest hundred

*September 20, 2011 by maria*

**algebra**

4.5 divided by 59 times 555 equals 42.330508847

*January 18, 2012 by Anonymous*

**math**

how many prime positive integers are divisors of 555?

*September 16, 2012 by shaun*

**Geometric progression**

Find the sum to the n terms: 5+55+555+.......

*October 13, 2016 by Rahul*

**Math**

Mr. Science has a pair of hamsters. The hamsters have 2 babies. Those babies grow up and have 2 babies of their own. Write the number of baby hamsters from the previous day as a numeral expression using exponential notation. How many babies are there all together.

*August 28, 2013 by mikil*

**math help!**

Mr. Science has a pair of hamsters. The hamsters have 2 babies. Those babies grow up and have 2 babies of their own. Write the number of baby hamsters from the previous day as a numeral expression using exponential notation. How many babies are there all together.

*August 28, 2013 by mikil*

**Finance**

You are considering two lottery payment options: Option A pays $10,000 today and Option B pays $20,000 at the end of ten years. Assume youc an earn 6 percent on your savings. Which option will you choose if you base your decision on present values? Which option will you choose...

*April 24, 2013 by Julia Coon*

**Algebra**

The sum of brandon and Sarah's ages is thirty-six brandon is ten years younger than sarah how old is brandon?

*August 30, 2016 by Zachery*

**1 chem question**

A base has a Kb of 2.5 x 10–11. Which of the following statements is true? This is a concentrated base. This base ionizes slightly in aqueous solution. This is a strong base. An aqueous solution of this base would be acidic. (do explain. i don't understand this one)

*February 14, 2012 by Sara*

**physics**

a)a box having mass of 500kg is placed on a horizontal surface.find the pressure exerted on the surface?do not forget to write formula. b)a pond of water filled with water upto 60m.1)write formula to find the pressure of water exerted on the base of pond.2)calculate the ...

*November 24, 2010 by sweetie*

**Chemistry**

A base has a Kb of 2.5 x 10–11. Which of the following statements is true? A.This is a concentrated base. B.This base ionizes slightly in aqueous solution. C.This is a strong base. D.An aqueous solution of this base would be acidic. My answer is D...?

*February 12, 2013 by Cassie*

**English**

1. At the age of ten, he went abroad. 2. At age ten, he went abroad. 3. At aged ten, he went abroad. 4. When he was ten years of age, he went abroad. 5. At ten, he went abroad. ---------------------------- Can we use all the eapressions?

*February 4, 2017 by rfvv*

**Oncology Report**

Ok, we're are supposed to do a one page annual report on oncology and I'm having trouble understanding exactly what I'm supposed to do. Our teacher gave us a sheet saying "You are asked by the CEO of a hospital to contribute to the annual report. She wants you to write a one ...

*May 3, 2011 by Valerie*

**Chemistry**

A base has a Kb of 2.5 x 10–11. Which of the following statements is true? This is a concentrated base. This base ionizes slightly in aqueous solution. This is a strong base. An aqueous solution of this base would be acidic.

*March 9, 2012 by Rachel*

**5th grade**

how do you write a ten paragraph essay?

*February 12, 2009 by katy*

**science**

write down ten balanced equations

*July 20, 2011 by gabriel*

**math**

how you would write the number that is 2 ten more than 53

*September 27, 2012 by Anonymous*

**MATH**

WRITE TO SHOW HOW YOU MAKE A TEN. THEN ADD. WHAT IS 9 + 7

*October 2, 2013 by Anonymous*

**math**

write to show how to make a ten then add

*November 12, 2013 by ceanna*

**Math**

How do you write 41 ten thousand in standard form.

*August 13, 2014 by Dimples*

**Math**

How do I write the equation for this: sum of ten and nineteen

*June 25, 2016 by Lee*

**Math**

How do I write the equation for this: sum of ten and nineteen

*June 25, 2016 by Lee*

**MAT115**

Identify the "Base" in the following application: The sales tax rate is 8&. If you pay a tax of $2.50 on a purchased item, What is its selling price? Should this question be changed to a statement to make it easier to identify the base? For example: If I write the statement ...

*July 22, 2010 by barb*

**MATH**

HASAN MADE A MODEL FOR 437 HUNDREDS, 3 TENS,AND 7.WHAT ARE TWO OTHER WAYS HE COULD SHOW 437 USING BASE-TEN BLOCKS?

*September 15, 2011 by CHARLES*

**GVCS**

how do u find the standard numeral for 9.3x10^-4

*March 16, 2011 by lexie*

**math**

Convert 10010000. To a numeral in base10 2

*June 17, 2011 by Anonymous*

**Chemistry**

how do i know which compounds to put the roman numeral in?

*November 20, 2013 by Hanna*

**math**

How do you read the numeral 2 followed by 8 zeros?

*December 12, 2016 by renel jay*

**Geometric progression**

Find the sum of the series 0.5+0.55+0.555+....to n terms.

*October 13, 2016 by Rahul*

**math**

i am a number greater than 70000 but less than 90000. My ten digit is the same as my ones digit. My ten digit is the same as my ones digit. My ten thousand digit is four times my ones digits. Both my hundreds and thousands are half the ten thousand digit. what number am I?

*June 20, 2013 by ramil*

**math**

what is the fraction 26/39 in simplist form. What is the least common denominator of 2/9 and 5/6. What is six 2/3 as an improper fraction. six 3/7 as a improper fraction. 2/25 and 24/100 as a percent. write .26 and .35 as a fraction. 2/20 as a percent

*March 18, 2009 by quavious*

**English**

Write the complete verb in each sentence. Label it active or passive. 1. It was propelled by six paddles on each side. Each side was propelled by six paddles. Passive?

*October 25, 2012 by Emma*

**Math - Write about it**

If you add a ten thousands digit that is 2 times the ones digit to the number 2,794, what is the new number? How do you get this... Your question doesn't make sense they way it is written. If you really mean: "If you add a ten thousands digit that is 2 times the ones digit OF ...

*September 18, 2006 by Joseph*

**chemistry**

1. An aqueous solution of weak base B of unknown concentration is tritrated with a known concentration of strong acid, HA. (a) Write the balanced chemical equation for this acid-base reaction, identifying the conjugate acid/base pairs. (b) If the base-dissociation constant of ...

*April 8, 2011 by Phuong*

**trigonometry**

Find the number of cans stacked in a display if there are 30 rows of cans with six on the top row, ten on the second row, 14 on the third row and so on. I know it's the sum of an arithmetic sequence, but I'm not sure exactly what to do.

*June 16, 2009 by Cindy*

**administrator**

can any one give me a list of the top ten considerations for developing an integrated information management system for human services organizationlist? I have to write a essay on the top ten and can only think of about 5 Before anyone who knows about these things tries to ...

*July 6, 2007 by april*

**Chemistry**

I am stumped on this one...Please help!!! Write a balanced base ionization reaction for methylamine (CH3NH2) in water. Identify all species as acids and bases and identify the conjuate acid-base pairs.

*November 19, 2011 by Nathan*

**Math**

The trapezoid above has a base of 38 m and a height of 12 m. Which set of dimensions would produce a similar figure? A. base = 114 m, height = 36 m B. base = 38 m, height = 36 m C. base = 119 m, height = 36 m D. base = 109 m, height = 36 m

*May 8, 2014 by Anonymous*

**Math**

Are these correct? two more than a number and four = 2 + n + 4 ten more than a number plus 3 = n + 10 + 3 three increased by a number minus 5 = n + 3 - 5 six and a number decreased by 7 = n+6-7

*November 8, 2009 by JADEN*

**Chemisty**

If ten drops of 0.3 M HCl are mixed with ten drops of 0.3 M Na2S2O3, what will be the concentration of each chemical in the mixture? Please help, i am pretty sure that the concentration should be 0.3 M but i am not sure if i am supposed to do somthing with the ten drops. Thank...

*January 7, 2009 by Nancy*

**chemistry**

Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs. HNO3(aq)+Li2CO3(aq)<--->LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate acid Thank ...

*April 30, 2015 by kim*

**history**

Heather bought a ten-year maturity corporate bond when it was issued for $1,000. The bond has an annual interest rate of seven percent and pays interest semi-annually. How much does she receive every six months?

*November 4, 2010 by Ed*

**math**

alana has 5 base ten blocks.She has at least one of each type of block.The value of her blocks is greater than 140.What blocks could she have?

*October 2, 2012 by ronel*

**Math**

What is the constant of variation? An x-y table shows the following coordinate pairs: four comma fifteen, five comma twelve, and six comma ten. Answer 1 3 thirty sixty I have been stuck on it all day. I am in urgent need of help

*January 11, 2012 by Daniel*

**math**

The current temperature in Smalltown is 20°F. This is 6 degrees less than twice the temperature that it was six hours ago. What was the temperature in Smalltown six hours ago? **Write equation and solve it. THANK YOU!

*November 11, 2015 by kimie*

**math**

michael has a pair of hamsters. The hamsters have two babies. the babies grow up and have wo babies of their own. write the number of baby hamsters from the statement aboe as a numeral expression using exponential notation. How many baby hamsters are there all together

*August 14, 2013 by mikil*

**chemistry**

Please I need help. Many,but not all, compounds are made up of positive and negative ions. Three positive ions A^+, B^2+ and C^3+ could form a total of six different compounds with negative ions, Y^2- and Z^3-. Derive the formulae for six compounds and write them in the table.

*August 28, 2014 by Shane*

**Math**

this number has 4 places to the right of the decimal point. It has 2 hundredths, 3 then thousandths, and 1 tenth. It is in between 240 and 242. The thousandths place is one less than the ten thousandths and less than the hundresths. What are six numbers that match this data?

*October 26, 2010 by Scarlett*

**Math**

how do write 2,005,693 in expanded form in powers of ten

*September 16, 2008 by kionna hewitt*

**Math**

Write the sum show the make a ten fact you used

*January 10, 2013 by Lashonda*

**Math**

14,903,256 Write the digit in the ten millions place.

*April 24, 2013 by Gaby*

**Pre-Calc 20**

A rectangle has a diagonal of 18cm. The diagonal creates a 60 degree angle at the base of the triangle. Write an exact expression for the base and the height of the triangle.

*September 23, 2016 by Julie*

**mah**

what is the roman numeral for 26? XVVI XXVI LVL XXIV

*December 10, 2008 by jj*

**12th grade**

how many strokes should be used to form the numeral 2

*May 22, 2010 by john*

**physics**

if mass is not an issue then how much force is required to move a ten no. 'shake flashlight' .will it be equal to move a single flashlight or will have to work ten times more to shake these ten flashlights? Note these flashlights are based on magnetic induction

*September 21, 2016 by vikram*

**Math**

Write the following numbers in the requested bases. a. 10=_________base 2 b. 42=_________base 2 c. 10101011 base 2=________base 10 d. 77=_______base 5 e. 40 base 6=_______base 10

*January 7, 2008 by Anonymous*

**chemistry**

Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs. HNO3(aq)+Li2CO3(aq)<--->LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate acid Thank you

*April 29, 2015 by kim*

**Math**

isosceles trapezoid with a perimeter of 52 meters; one base is 10 meters greater than the other base; the measure of each leg is 3 less than twice the base of the shorter base

*August 25, 2014 by Anonymous*

**anonymous**

1.) an account invested in a month market fund grew from $67,081.20 to $67,359.39 in a month. What was the interest rate, to the nearest tenth? 2.)you are due a tax refund of $760. your tax preparer offers you a no-interest loan to be repaid by your refund check, which will ...

*March 15, 2011 by math i have a few questions.hepl pls ty*

**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*