# Posts by von

Total # Posts: 17

**Math**

But the ratio is girls to boys 3:5

*October 11, 2016*

**Math**

The ratio of girls to boys is 3 to 5. If there are 20 more girls than boys, how many total students are there? How do I start this? Thanks

*October 11, 2016*

**Math**

The ratio of boys to girls is 3 to 7. If there are 20 more girls than boys, how many boys are there?

*October 11, 2016*

**Math**

A number, containing no zeros, changed to 310,000 after it was rounded. To what place was the number rounded? Explain how you know. This is the question my 4th grader has on a homework assignment. I'm lost on the question and she states she doesn't know either and the ...

*September 15, 2015*

**dynamics of rigid bodies**

1. An elevator weighing 15 kN starts from rest and acquires an upward velocity of 3 m/sec. in a distance of 6 m. If the acceleration is constant, what is the tension in the cable? 2. A man weighing 70 kg is in an elevator moving upward with an acceleration of 2.5 m/sec2. A. ...

*July 7, 2015*

**work**

1. You are a member of Special Troop Battalion, 3d BCT, 10th Mountain Division. Your battalion will deploy to Iraq within six months. The battalion commander approved your unit’s METL. The METL identifies critical tasks for each platoon and now it is time for squad ...

*November 16, 2012*

**Math**

. Identify each expression as a numerical expression or a variable expression. For a variable expression, name the variable. d + 43 - 9

*October 5, 2012*

**4th grade math**

900

*October 19, 2011*

**4th grade math**

364 plus 519 round each number the greatest place value to estimate the sum of:

*October 19, 2011*

**computer**

describe two ways to troubleshoot a PC connection that has lost contact with the network

*June 16, 2011*

**Math**

A computer company gives a discount of 10% off of the marked price on a new piece of software. If it makes a profit of 11% on this sale, what percent does the marked price exceed the cost price?

*November 8, 2010*

**chemistry help**

enzymes and substrates overall reaction: S -> P step 1: E + S -> ES fast step 2: ES -> E + S fast step 3: ES -> E + P slow what is the order of the reaction in E and what is the order of reaction in S?

*October 11, 2010*

**comp**

compare a smart UPS to one that does not interface with a PC but otherwise has similar ratings

*September 26, 2010*

**geometry 2**

If a rectangle has an area of 132 square units and a length of 11 units, what is its width? If necessary, round your answer to two decimal places.

*March 2, 2010*

**Chemistry (URGENT)**

idj

*March 2, 2010*

**english**

was he a good leader to everyone when he was young?

*November 4, 2008*

**Anti allergic**

Your site is very convenient in navigation and has good design. Thanks!. I am from Guinea and too poorly know English, tell me right I wrote the following sentence: "Background tmk is being developed as an anti allergic drug having both lipoxygenase inhibitory activity ...

*July 20, 2006*

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