Posts by Cheryl

Total # Posts: 313

math
2x+3y=6 (solve for x) 2x+3y=6 Get unknown on one side and everything else on the other side. To do this we ned to move 3y. How to do that? Subtract 3y from both sides. 2x+3y-3y = 6-3y combine terms. 2x = 6-3y Now divide both sides by 2 2x/2 = (6-3y)/2 x=(6-3y)/2

math
The river rose 4 feet above flood stage last night. If a= the river’s height at flood stage, b= the river’s height now (the morning after), which equations below say the same thing as the statement? Explain your choices by translating the equations into English and ...

math
The Randolph’s used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for 3 months, how much was used during each month? Let the usage in the three months be S, O and N. O = S + 12 N = 2S S+O+N = S...

math
Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each be Let the shorter board's length be x. The other will be x+10. x + x + 10 = 98 2x = 88 Solve that for x ...

math
-4(2x-3)=-8x+5 Hi Cheryl! The first thing you have to do with this is multiply the -4 into the stuff in the parenthesis. -4*2x = -8x -4*-3 = +12 So the left side is -8x+12 = -8x +5 Now that I'm this far along, we see that there's no real answer to this. If we add -8x ...

Chemistry
I still don't get it

i really need help!! graphing
what do i put the viewing window as on my calculator if i have an equation of 2x^2+40000/x is x=0 an allowed value in the domain? So have to make allowances for x near zero. Check the problem: is x cited to have a particular domain? If not, then plot this in two parts x large ...

pre calc. help!!!!!!
i am building a rectangular swimming pool. the pool is to have a surface area of 1000 ft.^2. it also has a uniform walk way of 3 ft. surrinding it. X is the lengh of one side of the pool, and Y is te lengh of the other side. A.) express the area of the plot of land needed for ...

precalculus
A can with the ratio of the height of the radius is 4 to 1. a. express the volume of the can as a function of the radius, r. b. express the volume of the can as a function of the height, h. c. if you want the can to have a volume of 100cm cubed, what does the height have to ...

Please help with English!!!
Which one of the following sentences does not contain a serious verb error? 1. They staying there now. 2. She want a promotion. 3. If I was younger, I'd pursue another line of work. 4. We had sang that hymn last week. Cheryl, if you read those out loud, you will quickly ...

Finance/Accounting
I'm not sure how to work this oroblem. Can someone assist me. revenues of $230,000 and expenses, including income taxes, of $190,000. On December 31, 2005, Edgemont had assets of $350,000, liabilities of $80,000, and capital stock of $210,000. Edgemont paid a cash dividend...

Punctuation within Sentences—Parentheses
The police officer checked her rear-view mirror when she heard the screeching tires. (Someone had rear-ended her the night before).

brain teaser help-jenn
50=lashes with a wet noodle

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