Fahrenheit to Celsius Using This Formula F=9/5(C)+32 NEED ALGEBRA SKILLS
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- Опубліковано 8 лип 2024
- TabletClass Math:
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Math help with converting Fahrenheit to Celsius formula F=9/5(C)+32. For more math help to include math lessons, practice problems and math tutorials check out my full math help program at tcmathacademy.com/
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At school this is exactly what we did.
When I left school and began training to be a mechanical engineer we learnt a simpler way:
There is a datum point at -40 degrees (-40 degrees Celsius is equal to -40 degrees Fahrenheit)
Take the temperature value you are given and add 40 (to calculate from the common datum)
Knowing that the Fahrenheit number will be greater than the Celsius you can either multiply or divide by 1.8 to obtain an appropriate value
Take away 40 from your answer and you are left with the correct answer.
for 60 degrees F we get
60 + 40 = 100
As we are converting to Celsius we divide by 1.8
100 /1.8 = 55.556 (with rounding to three decimal places)
55.556 - 40 = 15.556
5:29 the start of solving
9c=5f-160 formula 1
9c=(5*60)-160
9c=300-160
9c=140
9c/9=140/9
c=15.55
5f=9c plus 160 formula 2
5f=(9*15.55) plus 160
5f=140 plus 160
5f=300
5f/5=300/5
f=60
Another (easier) conversion for both directions are:
((°F + 40°F) • 5°C/9°F) - 40°C
((°C + 40°C) • 9°F/5°C) - 40°F
The way I learned was to use 1.8 as the multiplier/divisor when converting. Same thing I guess but decimals always seemed easier to me.
F° =( C°x1.8)+32
C°=(F°-32)÷1.8
So, when the metric snobs try to claim that they are more accurate you can say with complete confidence that Fahrenheit is 80% more accurate than Celsius 😁
You're welcome!
I agree with the first statement about 1.8. Not sure what you are saying in the second statement or how it relates to the first statement?
@@tsbio just joking around.
But it is true.
Just by looking at the math needed to convert it becomes obvious that every degree in Celsius is equal to 1.8 degrees Fahrenheit making Fahrenheit a much more accurate scale.
@@pourattitude4206 I think I get it now. Fahrenheit has more marks between freezing point of water and Boiling point than Celsius, thus more accurate due to more marks.
@@tsbio yep.
You can see easier by just subtracting the freezing temp of water from the boiling point.
212-32=180
180 degrees Fahrenheit between them vs only 100 degrees Celsius.
I'm teaching my students to use 1.8 as the multiplier for C-F; and .56 as the multiplier for F-C. Avoids fractions and is close enough for an intro the concepts.
(9/5)C°+32=60
9C°+160=300
9C°=140
C°=15.555° ✓
Videostart at 8:45 m.
Thanks!
I recommend you guys watch organic chemistry tutor he teaches all types of stuff algebra trig calculus calculus 2 statistics physics chemistry calculus 3 and more
There's a much simpler way.
(F+40) x 5/9 - 40 = C.
(C+40) x 9/5 - 40 = F
Just remember that Celsius degrees are larger than Fahrenheit, so to go from F to C "shrink" the answer by using 5/9. To convert C to F, "enlarge" the answer by using 9/5.
Very very helpful! Nice
I really like this series, you're addressing a need, you have a good presentation method, your voice is right for the subject. But you need the input of an editor.
When a student is new to this they should learn to do it one way You don’t want them to combine the different ways together and get it wrong
i was confused about two three formula now I will follow one.
Thank you my guy. Teach these kids. I had to learn it
Double C subtract 10 percent add 32. = F
I have always thought I should have be better at math. I failed my high school final exam. I've watched several videos in this series and this is the first one to use a practical example of algebra ie. converting Celsius to Fahrenheit (or visa versa). However, my problem with learning Algebra, calculus etc. is that it is still universally taught purely on a "need to know the theory" basis! Which is great if all you want to do is learn the rules. But unless your goal is to become a math academic, then it's really not very engaging just to say 'this stuff is important so you need to learn it'! When exactly can any of this theory REALLY be applied in day to day practical way? This is the question I have been asking since the 5th grade and almost 50 years later I am still none the wiser! I certainly haven't had the need you recall any thing more complex than basic multiplication and division in those intervening years!
I don’t think that the right question is if math is useful for the individual. I think the question is, is math itself useful? The answer to that is obviously yes. I hope this helps you.
I'm learning this Celsius thingy in grade 5 right now
i was confused as to why you have the brackets for (f-32) and this guy saying its just a rule literally made clicking on this video pointless but after going back and forth with chat gpt i realized that you have the parenthesis for order of operations. when you inverse ur doing the exact opposite of the other side of the equation so when u multiply the celsius by 1.8 then add the +32 well the exact opposite of that would be the subtract the 32 first but how would u show that if the 5/9 goes before subtraction based off bedmas brackets my good sir brackets. its crazy how hard it was to find that answer i asked 4 different teachers at school and spent a solid chunk of my downtime trying to figure it out i hope I'm not two years 2 late to help a feller learn sumn new
Clutch brother!!!
Right 👍 you have to
If converting from Celsius to Fahrenheit is x 2 + 30
From Fahrenheit to Celsius is -30 x 2
Edit your post, as of this writing your F to C formula is flawed.
ed: But it's handy for the weather, most precise at 50 Farenheit
And the further it's out of range I doubt people are going to fight about it!
Really 10 minutes into the video you get to the equation!?
Forget PEMDAS. When I want to do it quick and dirty and in a hurry, the first thing I do is subtract 32 from whatever the temperature is in Fahrenheit. Then DIVIDE by 9, then, multiply by 5. In this instance, 60°F is the temperature, so, 60-32=28. DIVIDE by 9=3.1111.....Then, MULTIPLY by 5=15.5555...
On a calculator, I use 1.8, which equals 9/5. 60-32=28. 28/1.8=15.555...°C.
°C*1.8 +32=°F. °F-32 /1.8=°C
I need to talking to explain it more than one time.
That is take a whole day bro. just like Peedee 1262 ..Celcius to Fahrenheit is ( x2 + 30 ) Right.. But he R she is mistake Fahrenheit to Celcius is ( -30 x2 is wrong)..( -30 Devide for 2 is right)
Convert F to C ... - 30 Devide for 2 ( Exp. 90f - 30 = 60 devide 2 = 30c )
Convert C to F .... X 2 Add 30 ( Exp. 30c x 2 = 60 Add 30 = 90f )
17 minutes to explain this? All you have to do is double the centigrade and add 29
Why do math teachers always make thing more difficult & confusing than necessary ?
I didn't understand
So talky. Bye.
How do you scare a high school freshman??? Tell them to convert our system of measurement into metric Or the metric system into our system It is not that hard You just have to remember a few things and don’t mix it up 1 inch is 2. 54 cm Ok student got that Then the teacher says, how many millimeters in a inch ??? I Oh My God now the panic sets in Then the teacher ask how many decimeters is 1 inch They don’t know where to put the decimal You have to calm them down There is a lot anxiety When you tell students we are going to convert English to Metric or Metric to English Having good notes will help the student ,no doubt it With examples
way too long video my friend. Please keep it simple and short. Thank you...
Who is her BC they have a exam of finals
I want to understand why math teachers just complicate explanations more then teach them, I’m sorry but you talk so much about many various things that confuse and deviate the attention to learning, please make math simple
Way too much talking 😩
I like your videos but you talk too much. you know action speaks more than words
I agree.