ABCD
A
B
=
6
AB=6
C
8
BC=8 .
7
.
7 . :
→
,
D
D...
84-1.25x=55.5
Find the Fourier coefficient 𝑏 for 𝑓(𝑥)=𝑥 𝑖𝑛−𝜋<𝑥<𝜋
4x+7=28
create 3 simple exercises on the operations of functions
Find all 3-digit numbers that satisfy:
Contains a zero
Divisible by 4
Digits sum to 12
Hundreds digit is larger than t...
1.Solve the inequality: 4x – 5 ≤ 3x + 7 and represent the solution on a number line.
2. Write the solution set of –3 ≤ 2x – 1 < 7...
I’m thinking of a 3-digit number.
The digits add up to 15.
The number is divisible by 5.
The middle digit is larger than ...
An integer is chosen at random from 1 to 100. Find the probability that it is:
divisible by 8.
not divisible by 8.
I’m thinking of a number.
It’s divisible by 3.
The sum of its digits is 9.
It’s between 20 and 40.