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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 t...

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

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

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

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...

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 in...

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 yo...

Find the number such that when 3/4 of it is added to 3 1/2 the sum is the same as when 2/3 of it is subtracted from 6 1/2.

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

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

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

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?

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

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

I=0.5*M*(R^2+r^2) I=0.5*0.715kg*[(12.7cm)^2+(10.7cm)^2] I=98.6 kg*cm^2

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Why is everyone saying 6th and 7th grade? I’m in grade 8😭

@he he is right