MATH MA3 GET FULL MARKS OMG!! Flashcards
1
Q
define direct proportionality
A
Two quantities are said to be in direct proportion if they increase or decrease in the same ratio.
2
Q
formula for hypotenuse side x
A
a^2 + b^2 = c^2
3
Q
formula for hypotenuse leg a
A
a=square root c2﹣b2
4
Q
litre to cm^3
A
1 litre = 1000 cm^3
5
Q
formula for distance
A
speed*time
6
Q
formula for speed
A
speed = distance ÷ time
7
Q
mode formula
A
how many times a number appears in a set
8
Q
mean formula
A
m = sum of terms / no. of terms
9
Q
range formula
A
largest number - smallest
10
Q
median formula
A
when in order and odd, the number in the middle of the list. when even, a+b/2
11
Q
2*2
A
4
12
Q
3*3
A
9
13
Q
4*4
A
16
14
Q
5*5
A
25
15
Q
6*6
A
36
