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3. Evaluating the Limit

 Hello Jennifer! unfortunately, you cannot multiply both the denominator and numerator by (3 + sqrt t).  When evaluating the limits in calculus, you have to expand the values given to simplify your...

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3. Finding pH of 1 drop and 10 drops of 0.10M NaOH

Hello ngruby82! So firstly, you can calculate the pH of a buffer using the acid dissociation constant expression: Therefore, NaOH (NaOH + H2O)  = Na+ and OH-ions. So due to NaOH being a strong bas...

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2. General Khan Academy Questions
3. Malta Medicine Admission exam

Hello there Simone Bottai! As a user from the UK, I'd say Khan Academy's content is most wonderful for users with their difficulties, but it focuses on the core classes for mathematics in K-12 stud...

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3. Help

Hello Glory! To remove your teachers/coach dashboard from your account since the incident of signing up as a teacher than a learner on Khan Academy, you have to go to: https://www.khanacademy.org/s...

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3. Prerequisites for Statistics and Probability

Hello marleyakonnor! So, before you take statistics, it's a good idea to recover up on the foundational knowledge you'll need in the course. Like for the algebra course is often a prerequisite for ...

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3. MCAT Prep Course: Videos

Hello Ali Rida! It's possibly that the MCAT prep course will be soon retired after September 30th, but for more infor, check this post of guide you: https://support.khanacademy.org/hc/en-us/communi...

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3. Ratios

Hello Melanie Murray! So according to your question, 500/8= 62.5 So Emily believes every 62.5 ML needs a clove of garlic. Now 900/12=75 Raphael's sauce has one clove of garlic for every 75 ml. So t...

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3. limits

Hello Tapabrota De! According to my understanding, saying a function f is continuous when x = c is the same as saying that the function's two-side limit at x = c exists and is equal to f(c). So it ...

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3. Can you help me with some problems in Make-it-rain project?

Hello Nicolas Botero!  I've fixed it! Just was some of your "var" definition with the rainY!  Try this code >>  var rainX = [random(0, 400)];var rainY = [0, 100];var rainAcc = 4;var newRain = 350;...

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3. Lesson states a RECTANGLE is a SQUARE?

Hello ksymolon!  Yes a square is a rectangle because a square is one of the most basic( probably more important )  geometric shapes, It is a special case of a parallelogram that has 4 congruent sid...