Log in Zane( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°) 4 years agoPosted 4 years ago. Direct link to Zane( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)'s post “how do i solve if 8 is 90...” how do i solve if 8 is 90% of n • (16 votes) Kim Seidel 4 years agoPosted 4 years ago. Direct link to Kim Seidel's post “Change 90% into a decimal...” Change 90% into a decimal: 0.90 or 0.9 Alternatively, set up a proportion: Hope this helps. (35 votes) apoudel11 a year agoPosted a year ago. Direct link to apoudel11's post “hey guys i just started a...” hey guys i just started algebra any tricks becaus this is hard • (12 votes) Rookychess a year agoPosted a year ago. Direct link to Rookychess's post “Yeah, i think that you sh...” Yeah, i think that you should try learning simplfying and one step equations first. They are easy because it is what you know just in a basic form. work from there and you will get a basic understanding of algerbra and be able to work forward and go to harder stuff. Suhani 4 years agoPosted 4 years ago. Direct link to Suhani's post “Why is X the most used va...” Why is X the most used variable is it because of the x and y axis or some other reason • (6 votes) 𝘽𝘼𝙏𝙈𝘼𝙉 4 years agoPosted 4 years ago. Direct link to 𝘽𝘼𝙏𝙈𝘼𝙉's post “yes, it is! x and y are c...” yes, it is! x and y are commonly used as variables on khan, but what they are most famous for is the the x and y axis, but as sal says "You can use any variable but were going to use x and y" they just use it on khan for equations and other math problems often! btw off topic, im a fellow programmer two! nice to meet you!:D (13 votes) Tucker Christiansen 4 years agoPosted 4 years ago. Direct link to Tucker Christiansen's post “If t=11, what is the answ...” If t=11, what is the answer? • (5 votes) Ridhi superr34 a year agoPosted a year ago. Direct link to Ridhi superr34's post “expression: 5t+3If t=11...” expression: 5t+3 If t=11: (5x11)+3 Hope this helps! (8 votes) Ijaz Durrani a year agoPosted a year ago. Direct link to Ijaz Durrani's post “What happens if t is a de...” What happens if t is a decimal, a logarithmic function or even worse an exponential function? • (6 votes) ilinabelwal a year agoPosted a year ago. Direct link to ilinabelwal's post “If "t" is a decimal, you ...” If "t" is a decimal, you do the same thing you would with a whole number. (2 votes) Avo Cado 4 months agoPosted 4 months ago. Direct link to Avo Cado's post “You got this guys! Even i...” You got this guys! Even if it's hard, i believe in you! Keep going! • (10 votes) sawyer.ludwig😎 4 months agoPosted 4 months ago. Direct link to sawyer.ludwig😎's post “I love math!... (It's opp...” I love math!... (It's opposite day) • (6 votes) Jermaine Race 9 months agoPosted 9 months ago. Direct link to Jermaine Race's post “This may sound trite but,...” This may sound trite but, what EXACTLY does "evaluate" mean in the context of mathematics? I ask because I am reviewing the basics, and looking back through my math education it honestly seems like there really isn't a specific definition; it's like the teacher just means "do that thing I showed you in class", almost like little kids sometimes think that "=" means "give me an answer". I have the same problem with "prove". No one ever told me when proving something what I am allowed to assume is true, and some math teachers differ in their opinion on the matter. • (5 votes) Leo Rufino 9 months agoPosted 9 months ago. Direct link to Leo Rufino's post “Well i recommend using a ...” Well i recommend using a definition dictionary (If you don't understand the meaning of a concept) , you can find very useful ones in the internet. Evaluate at least in my experience is to determined something, for example if the sentence says: "Evaluate 2X + 4 when the x value is 5" Well you check the value of the expression when X is five, in this case it will give you fourteen. And that's it, you have determined, checked or evaluated a certain situation. (4 votes) Darren 10 years agoPosted 10 years ago. Direct link to Darren's post “At 0:41, is 5. (1) not th...” At • (3 votes) N Peterson 10 years agoPosted 10 years ago. Direct link to N Peterson's post “If another operation is b...” If another operation is before the parentheses, then you don't multiply. If you have something like 3- (-3), you just subtract the -3. (8 votes) Genesis<3 a year agoPosted a year ago. Direct link to Genesis<3's post “how do i do this with fra...” how do i do this with fractions? • (3 votes) Kim Seidel a year agoPosted a year ago. Direct link to Kim Seidel's post “The process does not chan...” The process does not change. You replace the variable with its given value. Then, you follow order of operations rules (PEMDAS) to complete the math. If some numbers are fractions, then you follow the processes for working with fractions. Here's a video that comes a little later in the lessons: https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:foundation-algebra/x2f8bb11595b61c86:substitute-evaluate-expression/v/evaluating-expressions-in-two-variables-with-decimals-and-fractions (7 votes)Want to join the conversation?
Translate the key words: "of" = multiply and "is" means "="
Translate the phrase: "8 is 90% of n" becomes 8 = 0.90n
Solve for "n" by dividing both sides by 0.9
8/n = 90/100
Cross multiply and divide to solve for "n"
=55+3
=58
0:41
If yo have 4*(5), you only multiply once.
