Answer:
8d+12-6d+10
2d+22
Step-by-step explanation:
Answer:
True
Step-by-step explanation:
The variance of data measures how much the data varies.
The answer is 42+26=68 I just guessed and checked
Answer:
27.5
Step-by-step explanation:
x⠀⠀⠀⠀⠀|⠀⠀⠀⠀200⠀⠀⠀⠀|⠀⠀⠀⠀500
y⠀⠀⠀⠀⠀|⠀⠀ ⠀⠀ 11⠀⠀⠀⠀⠀|⠀⠀⠀⠀a
As x directly varies with y:
200 × a = 500 × 11
a = 5/2 × 11 = 27.5
