# Posts by Lesa

Total # Posts: 12

**Chatam County**

Jerry posted his grades in English as 85, 87, 96, 100, 85, 99, 93 and 85. What is his median grade?

*April 30, 2012*

**algebra**

2-(a-1)/(a+2)=(a^a-1)/(a+2)Can you help me solve this problem step by step please?

*February 21, 2012*

**algebra**

how would I solve using addition or multiplication principle? x+15>16

*December 3, 2011*

**algebra**

how do i solve x+9>12?

*December 1, 2011*

**chemistry**

Explain how you would prepare these solutions from powdered reagents and whatever glassware you needed: a. 2.0 L of 1.5 M KOH the answer is: a. To prepare 2.0 L of 1.5 M KOH, measure out 168 g of KOH and place it into a 2 L volumetric flask. Add water to the mark. BUT HOW DID ...

*February 24, 2011*

**5th grade math**

yes

*October 8, 2009*

**5th grade math**

A girl bought a card and then returned it. The second card cost $1.50 less than the first card. She got 75 cents in change. How much did the first card cost?

*October 8, 2009*

**anatomy & physiology**

how does the structure of the organ of corti allow for detection of high & low pitches? why is it possible to lose ability to hear a specific pitch?

*January 23, 2009*

**algebra**

Find the Zero of the Function...I am clueless as to how to help my son with this math. Here is the problem. f(x)=16x-4

*November 11, 2008*

**Science**

When heating something in this, never point it at yourself or anyone else.

*August 11, 2008*

**Math**

Suppose you have two numbers. The difference of the two numbers is 12. The product of the two numbers is 17. Multiply the larger of the two numbers by 100, add 50 times the smaller number to that, round the total to the nearest whole number. That starts out as an algebra ...

*March 24, 2007*

**Ecconomics**

Price elasticity of demand.Tell whether is elastic,perfectly inelastic,perfectly elastic, inelastic,or unit elastic. And what would happen to total revenue if a firm raised its price in each elasticity range identified.a.Ed=2.5 b.Ed=1.0 c.Ed=~ D. Ed=0.8 Elasticity of demand is...

*June 18, 2006*

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