x+y=170 ; x-y=130 x=? y=?
Given the data for scores as below
11.5
y
14.6
16.7
18.9
20
22.3
23.9
Find
mean
sd =
Given tha...
HM7,
1030/25750×100
if Var (X) =25, find Var (2x+4)
814670
02479
87078817
8756959
12428
72818690
433295161939286
21529067106.468
10658847.9032
10130163.2046
2392466.11078
...
use right-angled trianlge trigonometry ratios to find the value of x, correct to one decimal place:
58º, the hypotenous is x, and...
Solve the corresponding eigenvectors matrix A = \begin{pmatrix} 2 & 0 & 0 \\ 0 & 3 & 0 \\ 0 & 0 & 5 \end{pmatrix}
