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1
answer
Is there a relationship between variance and standard deviation
asked
Nov 5, 2020
in
Data Science & Statistics
|
418
views
variance
standard-deviation
relationship
2
answers
Explain why the equation $\frac{x^4 +1}{x^4} =\frac{1}{2}$ has no real roots.
commented
Nov 12, 2019
in
Mathematics
|
429
views
equation
theorem
geometry
circle
sine
alpha
2
answers
How do you describe the commutative axiom of arithmetic?
answered
Nov 12, 2019
in
Mathematics
|
392
views
arithmetic
law
commutative
mathematics
axiom
arithmetics
rational
3
answers
What is the cardinality of a set?
answered
Nov 12, 2019
in
Mathematics
|
1,263
views
cardinality
set-theory
mathematics
1
answer
What is the difference between a vector and scalar quantity?
answered
Nov 12, 2019
in
Mathematics
|
445
views
vector
quantity
magnitude
direction
scalar
1
answer
What are geometric transformations in mathematics? Explain with examples.
answered
Nov 12, 2019
in
Mathematics
|
664
views
geometric
transformations
mathematics
explain
examples
3
answers
Grade 12 Paper 1 - Solve for x: $2x^2 + 9x = 14$ correct to TWO decimal points
answered
Nov 12, 2019
in
Mathematics
|
518
views
calculus
theorem
equation
solve
calculate
quadratic
1
answer
Simplify $10^{2 + \log{5}}$
answered
Oct 1, 2019
in
Mathematics
|
248
views
logarithms
logs
simplify
1
answer
Simplify $\ln e^5$
commented
Oct 1, 2019
in
Mathematics
|
233
views
logarithms
simplify
maths
grade
12
2
answers
Are all natural numbers rational?
answered
Sep 26, 2019
in
Mathematics
|
369
views
are
all
natural
numbers
rational
1
answer
If $P=1;3;5;7.............21$ and $Q=2;4; 6;8; 10............22$ then HCF of $P$ and $Q$ is ________
answered
Sep 26, 2019
in
Mathematics
|
459
views
number
numbers
hcf
gcd
4
answers
What is a natural number?
answered
Sep 25, 2019
in
Mathematics
|
292
views
natural
number
rational