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1
answer
answered
Apr 14
in
Physics

7
views
An instrument gives a numerical reading of $0.00160\pm 0.00005$. Which statement is correct?
instrument
reading
statement
correct
uncertainty
percentage
1
answer
answered
Apr 14
in
Physics

6
views
Argon and neon are monatomic gases. One mole of argon has a mass of $40g$ and one mole of neon has a mass of $20g$.
argon
neon
monatomic
gases
mole
0
answers
edited
Apr 8
in
Mathematics

6
views
The first two terms of a geometric sequence are: $(x+3)$ and $(x^29)$
sequence
grade12
proof
prove
geometric
calculate
questions
1
answer
answered
Apr 8
in
Mathematics

11
views
Determine the coordinates of the intercept of the following two lines: $2x  3y = 17$ and $ 3x  y = 15$
calculate
sequence
questions
grade12
geometric
proof
prove
1
answer
answered
Apr 8
in
Mathematics

8
views
Prove that $\tan^2\theta \sin^2 \theta =\tan^2\theta.\sin^2\theta $
sine
cosine
identity
alpha
beta
derive
trigonometry
1
answer
answered
Apr 8
in
Mathematics

8
views
The ratio of the age of a father and his son is 4 is to 1 if the present age of the father is 36 year find the present of the son
calculate
wordproblems
solve
equations
grade8
numbers
learning
1
answer
answered
Apr 8
in
Mathematics

9
views
In a school exam, Tom’s score was up to $500$ points. Then he scored $100$ points in the word category. What was his score then?
score
addition
bodmas
subtraction
arithmetic
0
answers
asked
Apr 8
in
Mathematics

8
views
Evaluate $\int \sin{ax}\quad dx$
calculus
integration
differentiation
calculate
function
equation
trigonometry
1
answer
answered
Apr 8
in
Mathematics

13
views
Area of a square plot is 4.41 m² Find the side of the square plot.
area
square
rectangle
side
math
length
shape
1
answer
answered
Apr 8
in
Mathematics

8
views
What is Euclid's division algorithm?
euclid
division
algorithm
1
answer
answered
Apr 8
in
Mathematics

8
views
Can a OnetoMany relation between two variables be classified as a function?
onetomany
relation
variables
classified
function
0
answers
asked
Apr 8
in
Mathematics

10
views
The first four terms of a geometric sequence are $7;x;y;189$.
sequence
geometric
calculate
grade12
questions
proof
prove
0
answers
asked
Apr 8
in
Mathematics

6
views
If $S_n=3n^22n$. Determine $T_9$
function
value
numbers
question
integer
divisible
0
answers
asked
Apr 8
in
Mathematics

6
views
Calculate the value of: $\dfrac{99+97+95+...+1}{299+297+295+...+201}$
sequence
arithmetic
geometric
progression
division
0
answers
asked
Apr 8
in
Mathematics

5
views
The 5th term of an arithmetic sequence is zero and the 13th term is equal to 12.
constant
difference
zero
arithmetic
sequence
0
answers
asked
Apr 8
in
Mathematics

6
views
Write the following in sigma notation: $1+5+9+…+21$
notation
series
sum
pattern
sequences
infinity
0
answers
asked
Apr 8
in
Mathematics

6
views
Determine $\Sigma^{10}_{k=2}\dfrac{1}{4}(2)^{k1}$
calculate
calculus
compute
evaluate
equation
mapping
0
answers
asked
Apr 8
in
Mathematics

5
views
Determine the value of $\Sigma^{30}_{k=1}(85k)$
calculate
calculus
evaluate
compute
equation
function
mapping
0
answers
asked
Apr 8
in
Mathematics

5
views
Tom links balls with rods in arrangements as shown below
balls
rods
sequence
terms
arrangement
0
answers
asked
Apr 8
in
Mathematics

6
views
How many terms are there in the sequence $17 ; 14 ; 11 ; 8 ; … ; 2785$
calculate
sequence
data
complete
numbers
sequences
sum
0
answers
asked
Apr 8
in
Mathematics

6
views
Consider the following sequence: $2 ; 7 ; 15 ; 26 ; 40 ;...$
sequence
calculate
complete
sequences
numbers
arithmetic
0
answers
asked
Apr 8
in
Mathematics

9
views
The following is an arithmetic sequence: $2x − 4 ; 5x ; 7x − 4$
sequence
arithmetic
formula
sum
calculate
term
general
0
answers
asked
Apr 8
in
Mathematics

5
views
Consider the following sequence: $5; 9; 13; 17; 21;...$
sequence
pattern
complete
calculate
sequences
numbers
1
answer
answered
Apr 8
in
Mathematics

6
views
How do I determine the value of a series i.e. $S_n$?
series
sigma
notation
write
information
calculate
1
answer
answered
Apr 8
in
Mathematics

8
views
What information do I need to have in order to write a series in the sigma notation?
information
write
a
series
sigma
notation
1
answer
answered
Apr 8
in
Mathematics

6
views
How do I know which type of sequence (arithmetic, geometric, quadratic) to use when given a question?
sequence
geometric
arithmetic
calculate
grade12
pattern
formula
1
answer
answered
Apr 8
in
Mathematics

6
views
What is the formula for the general term of a quadratic sequence?
formula
general
term
quadratic
sequence
1
answer
answered
Apr 8
in
Mathematics

5
views
Is the sequence $2;4;8;16;...$ converging or not?
sequence
converging
calculate
arithmetic
geometric
term
1
answer
answered
Apr 8
in
Mathematics

5
views
What is the formula for the sum of a geometric sequence?
formula
sum
geometric
sequence
1
answer
answered
Apr 8
in
Mathematics

11
views
What is the formula for the general term of a geometric sequence?
formula
general
term
geometric
sequence
1
answer
answered
Apr 8
in
Mathematics

8
views
What is the formula for the general term of the sequence $2;5;8;11;...$?
sequence
formula
arithmetic
general
term
calculate
geometric
1
answer
answered
Apr 8
in
Mathematics

5
views
What is the formula for the sum of an arithmetic sequence?
formula
sum
arithmetic
sequence
1
answer
answered
Apr 8
in
Mathematics

18
views
What is the formula for the general term $T_n$ of an arithmetic sequence?
formula
general
term
arithmetic
sequence
1
answer
answered
Mar 28
in
Mathematics

1,844
views
Marco plans to give (not necessarily even) his eight marbles to his four friends. If each of his friends receives at least one marble, in how many ways can he apportion his marbles?
marbles
share
ratio
friends
apportion
1
answer
answered
Mar 28
in
Mathematics

17
views
How many positive numbers less than 1000 are divisible by 6 but not by 5?
numbers
question
positive
divisible
division
operation
number
1
answer
answered
Mar 28
in
Mathematics

2,286
views
Positive integer n leaves a remainder of 4 after division by 6 and a remainder of 3 after division by 5. If n is greater than 30, what is the remainder that n leaves after division by 30?
division
question
numbers
operation
returns
remainder
function
1
answer
answered
Mar 28
in
Data Science

711
views
What are the four “essential freedoms” that comprise YouTube’s values?
four
essential
freedoms
youtubes
values
1
answer
answered
Mar 28
in
Data Science

21
views
What is data literacy?
data
literacy
leaders
plan
organization
create
education
1
answer
answered
Mar 28
in
Data Science

44
views
How can leaders create a data literacy plan for all the people in their organization?
leaders
create
data
literacy
plan
organization
0
answers
asked
Mar 27
in
Physics

8
views
What is the normal force exerted on the sphere by the inclined plane ?
uniform
sphere
radius
inclined
plane
angle
force
1
answer
answered
Mar 27
in
Mathematics

9
views
What is the difference between trigonometric identities and Pythagorean identities?
difference
between
trigonometric
pythagorean
identities
0
answers
asked
Mar 27
in
Data Science

9
views
A bowl contains 22 jelly beans: 6 red, 8 white, 3 yellow, and 5 green. Randomly select a single jelly bean from the bowl. Consider the following defined events:
probability
number
outcomes
replacement
calculate
marbles
0
answers
asked
Mar 27
in
Data Science

8
views
Write the symbols for the following probabilities. You may use OR and AND $\textit{or} $ $\cup$ and $\cap$.
symbols
probabilities
or
and
1
answer
answered
Mar 27
in
Data Science

12
views
What are probabilities?
probabilities
conditional
cumulative
events
independent
probability
bayesian
1
answer
answered
Mar 27
in
Data Science

7
views
What is the sample space of a fair die?
sample
space
fair
die
probability
1
answer
answered
Mar 27
in
Data Science

9
views
What is an event in probability?
probability
event
sample
spaces
outcome
trials
1
answer
answered
Mar 27
in
Data Science

7
views
What is the sample space of a statistical experiment?
sample
space
statistical
experiment
1
answer
answered
Mar 27
in
Data Science

10
views
What is the standard deviation formula for a sample and population?
standard
deviation
formula
sample
population
1
answer
answered
Mar 27
in
Data Science

6
views
What is the difference between Chebyshev's Rule and the Empirical Rule?
difference
between
chebyshev
rule
empirical
1
answer
answered
Mar 27
in
Data Science

7
views
How would you define the zscore of a data value?
gaussian
distribution
normal
define
zscore