Wednesday
July 30, 2014

Posts by Lori


Total # Posts: 429

Algebra
But the reason I am having trouble is because the middle one does not work. The first part works, but the second part does not. 3<=x<=8=3(3)=9 8=3(3)=9 (?)

Algebra
Can someone tell me what I am doing wrong? Do I need to graph this to get the right answers? Problem: Find the requested value. f(3) for f(x) 3x+1, if x<1=3(3)+1=10 3x, if 3<=x<=8=3(3)=9 3-5x, if x>8=3-5(3)=-12

Algebra HELP!
solve 7x+5(-3x-4)=-21-7x 7x+(-15x-20=-7x-21 -8x-20=-7x-21 7 7 -8x-20+7x=-21 -1x-20=-21 20 20 -1x/-1 = -1/-1 x=1

Biology
"D" Y-Linked because a certain opening of the organs, if you are taking the class you should recognize the shape! Nice helping someone of my knowledge! Lori

Algebra
Rationalize denominator, all variables positive real numbers and denominator is not zero. sqrt3/3 sqrt2 - sqrt3 sqrt3(3sqrt2+sqrt3)/18-3 3 sqrt6+3/18-3 3 sqrt 6+3/15 (is this my answer)

Algebra
What does domain mean? I am working on a problem that wants me to solve for the domain?

Communications
I need help finding information on the Social Penetration Theory

Chemistry
Can someone tell me if I am any where close or if I need to start over. When your acetic acid reacted with the sodium hydroxide, what are the two products that were formed? When acetic acid reacts with sodium hydroxide the two products that are formed are a water and a carboxy...

Math
What multiplication fact can be found by using the arrays for 2x9 and 5x9?

Chemistry
Did I do this correctly or do I need to try again? What is the mass percent of a solution when 18.6 g of table salt is added to 81.4 g of water? Mass Percent = mass of solute(g)x100 mass of solution (g) = 18.6 g x100 18.6 g + 81.4g = 18.6 g x 100 100g = 0.186 x 100 = 18.6 The ...

Chemistry
Would it be volume divided by moles then convert to g

Chemistry
calculate the final concentration if 4.0 L of 1.5 M NaCl and 2.0 L of 3.0M NaCl are mixed. I am confused about how to calculate the final concentration. We are currently working on solutions. I think first I need to divide the amount of the solution by the amount of the solute...

SCI
What if you cannot find the answer to one of the questions? What is wrong in reaching for help. I cannot find one answer, does that make me lazy or stupid?

Earth Science
My question is what is the ability of some natural materials to reflect and absorb sunlight? What do they mean natural materials? I could answer this on my own if I understood what is considered a natural material.

Earth Science
Why is it generally warmer in a rural area than in an urban area? I have a question: How does the earth's surface heat up or cool down? My answer: the sun heats up the earth darker surfaces are warmer than cooler surfaces. Please help.

human services
How is social insurance used to fund public programs? What are the benefits and drawbacks of government funding?

geometry
which equation is parallel to the graph of the equation 4x+y=-2 and passes through the point (5,3)?

geometry
which equation is parallel to the graph of the equation 4x+y=-2 and passes through the point (5,3)?

algebra question
To convert "square" feet to "square" yards you divide square feet by 9 (3 squared), right? Then the answer is $237.60.

English
what is it called when you can't put the words an, a or the infront of a noun?

english
what is a Paragraph Rationale I assume a paragraph rationale is a paragraph giving the reasons supporting a decision. For instance, I might write a paragraph rationale supporting the Jiskha Homework Help Forum and its value in helping students.

International Business
Why is acceleration / delay of payments more useful to an IC than to smaller, separate companies?

math check please
could you show how you figured out the answer for how many students lived on campus

sequence
defining function is f(x) = 3x+b. If 27 is a member of this sequence, what is the next consecutive member of this sequence? PLEEEEAAAASEEE HELLLLP meeee f(x)=3x+b f(x+1)= 3x + 3 + b so there is a difference of 3 between numbers. Next number is 27 + 3

lynching
need any help available on writing a report on lynching. Need help getting started. Have all kinds of research but not sure how to put it together. Need an outline too. 1. Introduction (define, very brief history) 2. Theory of Origin 3. Detailed History of Lynching in U.S. 4. ...

algebra 2
a swimming pool 50m by 25 m is to be built with a walkway w meters wide around it write the total area of the pool and walk way in the form ax exponet 2 +bx+c

Physics
Runner A is initially 6.0 km west of a flagpole and is running with a constant velocity of 9. km/h due east. Runner B is initially 5.0 km east of the flagpole and is running with a constant velocity of 8.0 km/h due west. How far are the runners from the flagpole when their pat...

economics
according to the law of demand,when will higher corn prices reduce the quanity demand of corn?

unscrambling word
iidonxs can someone please help to unscramble

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