Wednesday

January 28, 2015

January 28, 2015

Total # Posts: 32

**Math**

Can you check my work? If Angelona's weekly allowance is d dollars, which Expression represents her allowance, in Dollars, for x weeks? A. Dx B. 7dx C. X+7d D.d/x So d = allowance X=week D goes up per x So my answer is A. Dx Is this correct? Thanks for your help
*June 7, 2013*

**math**

Hi, This is the third time I posted this because it wasn't answered by anyone. PLEASE help. I think the first part is correct but I am not sure if the V=lw10 is correct. I got 10 for the number of cubes. Here is the question There is a picture with stacked cubes that are ...
*March 18, 2013*

**math**

There is a picture with stacked cubes that are each 2inches. + ++ +++ ++++ +=the pic i have of cubes=(+=2in cube) Each side of a cube in the diagram measures 2 inches. What is the total surface area and volume of the solid? I did A=s squared A=2 squared A= 4inch squared SA= 4(...
*March 17, 2013*

**math**

There is a picture with stacked cubes that are each 2inches. + ++ +++ ++++ +=the pic i have of cubes=(+=2in cube) Each side of a cube in the diagram measures 2 inches. What is the total surface area and volume of the solid? I did A=s squared A=2 squared A= 4inch squared SA= 4(...
*March 17, 2013*

**math**

Thank you!!!
*March 16, 2013*

**math**

I asked this earlier today but did not get help. Can you please let me know if this question is done properly? Thank you Camern is wrapping a present. She does not want any left over wrapping paper. How much wrapping paper does she need to buy. The length of the box is 15in, ...
*March 16, 2013*

**math**

Camern is wrapping a present. She does not want any left over wrapping paper. How much wrapping paper does she need to buy. The length of the box is 15in, the width is 3in and the height in 7 in. I did it this way. front and back(height) SA=lw*2 SA=15(7)2 SA=210in squared ...
*March 16, 2013*

**math**

Mr Smith is a farmer. He stores his hay in a shed the shape of a cone. The base has a radius of 30 ft and it is 40 ft. tall. How much hay can he fit in the shed? Leave th answer in terms of pie.( I will use ^ as my pie symbol here) I did v=1/3 BH v=1/3^r2h v=1/3^30squared(40) ...
*March 15, 2013*

**math**

translate and simplify"six less than twice the sum of a number and three" choices are A)-2x b)2x c)-2x+9 d)2x-3 I set it up 2(x+3)-6 2x+6-6 answer=2x Is this correct Thanks
*January 21, 2013*

**math**

I asked this question but no one answered it. Can someone please help explain this before I have my math test today. THANKS. A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter noticies he has enough pieces left to ...
*January 10, 2013*

**4th grade math**

A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter noticies he has enough pieces left to make up the same length as 4 origional boards. How many origional boards did he start with? Someone told me the answer is 10 ...
*January 9, 2013*

**math**

describe the solutions of 4<or=n+2 mult. choice a all real numbers greater than 4 b all real numbers greater than or equal to 2 c real numbers less than 2 d all real numbers less than or equal to 4 I got b not sure how to show the work to prove it Thanks for your help
*January 8, 2013*

**math**

Andrew has $40. He wants to buy a $15 cd and as many $6 posters as he can. What is the greatest number of posters he can buy? I did 40>or=15+6x -15 to each side 25/6> or=6x/6 4.17> or = x so he can buy 4 at most Is this correct? Thanks
*January 3, 2013*

**math**

Thanks Thank you for telling me how you did it, even though we got the same answer
*January 2, 2013*

**math**

the numerical expression for 7/8-3/4(2-1/6)-2/3 is equal to I made a common denominator of 24 21/24-1&+12/24+3/24-16/24 -15/24+3/24-16/24 -12/24-16/24 -28/24 both are divible by 2 -14/12 & divide both by 2 again to get -7/6 Is this correct? Thank you
*January 2, 2013*

**math**

solve 9x<-27 I did 9x/9<-27/9 x<-3 Just a double check. I believe this is right Thanks
*January 2, 2013*

**math**

thanks
*January 1, 2013*

**math**

solve This seems pretty easy but I always want a second eye for my work. x+1>6 -1 to each side x>5 Is this right?
*January 1, 2013*

**math**

4^2(4squared)>or=-2(x-5) 16>or=-2x+10 -10 to both sides 6>or=-2x 6/-2>or=-2x/-2 -3<or=x I believe this is correct and I changed the direction of< since we divided by a neg. Did I get the correct answer Thanks and Happy New Year
*December 31, 2012*

**math**

Jake is making birdhouses to sell. The cost to make them is $80 for supplies plus $6.25 per birdhouse. He will sell them for $16 each. What is the minimum # of birdhouses he must sell to make a profit. I got he must sell more than 8 I did it by setting up 80+6.25x<16x -6.25...
*December 30, 2012*

**math**

It does not say xgreater than and equal to , so I believe the question is a misprint. Thank you
*December 28, 2012*

**math**

I asked sue a question yesterday and don't understand the answer can you explain? Here what it was I think this question has a typo because none of the multiple choice answers fit. The question is which of the following values is in the solution set of inequality 8-7x<-...
*December 28, 2012*

**math**

when you check your answer and put 2 in to do a check it comes out 8-7x<-6 8-7(2) 8-14<-6 -6<-6 this is not true unless it was greater than or equal to, that is why I believe there is no correct answer to the question. Isn't that right?
*December 27, 2012*

**math**

I went on the website you showed me. It said when you mult. or divide a neg, like -7x you change the sign, so shouldn't it be that x>2. I am really confused
*December 27, 2012*

**math**

so is there one of the multiple choice questions that are correct, since three numbers in the multiple choice that are less than 2. As you see above Thank you
*December 27, 2012*

**math**

I think this question has a typo because none of the multiple choice answers fit. The question is which of the following values is in the solution set of inequality 8-7x<-6? A) -3 B)-2 C)2 D)-6 A if you plug in -3 you get 29<-6 no B) 8+14<-6 no c) 8-14<-6 so -6<...
*December 27, 2012*

**math**

tHANK YOU, i AM FINALLY UNDERSTANDING THE WORK AND NOW GETTING THEM CORRECT. tHANKS
*November 13, 2012*

**math**

What is 5^-2? I got 1/25 Is this correct? THANK YOU SO MUCH FOR YOUR HELP
*November 13, 2012*

**math**

What is 3^-2 (it is 3 to the -2 squared) I thought the answer was 1/9 and my friend thought it is .1 repeated .1 with the line over it can you tell us which one of us is correct? Thank you
*November 13, 2012*

**math**

evaluate the following expression if a= -2, h=5 and w= -8 aw^2(w is squared)-hw I did (-2)(-8)^2-(5)(-8) (-2)64-(5)(-8) -128-(5)(-8) -128-(-40) -128=40= -88 I believe this is correct but I want to make sure. Thank you for your help
*November 13, 2012*

**Physics**

During a particular thunderstorm, the elctric potential difference between the clouds and the groud is Vcloud-Vgroud = 10^9 volts with the cloud being at the higher potential. Now, there is a lightning flash in which a charge of -25C is transferred from the ground to the cloud...
*January 26, 2010*

**Physics**

Do in Cals, not Joules so 300*c*50= 300*1*10, which will give you 3000/15000= .2
*June 22, 2009*

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