Exam (elaborations)
DAT Math Formulas Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED)
- Course
- Institution
DAT Math Formulas Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED)
[Show more]
Seller
Follow
Content preview
DAT Math FormulasDistance Formula - ANS D=(velocity)(time)
avg. velocity - ANS Total distance travelled/time
linear equation - ANS y=mx+b
y1-y2=m(x1-x2)
Dist between two points - ANS Make right triangle and solve hypotenuse
degrees C to K - ANS K=C+273
C to F conversion - ANS F=9/5(C)+32
1in= cm? - ANS 2.5 centimeters
1M=yd? - ANS 1.1 yards
1Ib.=g? - ANS 454 grams
1kg=ibs? - ANS 2.2 pounds
Exponent Rules
(X^b)(Y^b)
X^b/Y^b)
(X^n)(X^m)
X^n/X^m
(x^a)^b - ANS (X^b)(Y^b) = (XY)^b
(X^b/Y^b) = (X/Y)^b
(X^n)(X^m) = X^n+m
X^n/X^m = X^n-m
(x^a)^b = x ^ a*b
log rules
log(mn)
log(m/n)
nlog(x)
logbA - ANS log (mn) = log(m) + log(n)
log (m/n) = log(m) - log(n)
, log (m^n) = nlog(m)
nlog(x) = Log(x^n)
logbA= log a/ logb
percent increase/decrease= - ANS [(x2-x1)/x1]*100%
Combination Formula - ANS n! / (n-r)! * r!
- n is the total number and r is the sample number
- order doesn't matter
Permutation Formula - ANS n!/(n-r)!
- order does matter
standard deviation formula - ANS 1. Work out the Mean (the simple average of the numbers)
2.Then for each number: subtract the Mean and square the result.
Then work out the mean of those squared differences.
Take the square root of that
Variance - ANS Stand. Dev. Squared
Gaussian distribution
1 standard deviations
2 standard deviations
3 standard deviations - ANS 1 standard deviations= 68%
2 standard deviations+= 95%
3 standard deviations= 99.7%
Area of a circle - ANS A=πr²
Area of a sphere - ANS 4πr^2
surface area of a rectangle - ANS 2lw+2wh+2lh
Area of hollow cylinder - ANS 2pi r^2
Area of ellipse - ANS pi a b
Area of triangle - ANS 1/2bh
area of rhombus - ANS A=bh
Area of a regular polygon - ANS (.5)(# of sides(N))(sin360/N)(s^2)
Area of a cylinder - ANS (2pi*r*h) + (2pi* r^2)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LECTSKYJAYDEN. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75619 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now