Answer:
m4=m1+m2
Step-by-step explanation:
m1+m2+m3=180
m3+m4=180
m3=180-m4
m1+m2+(180-m4)=180
m1+m2=m4
Answer:
A) y= -1/4x + 21/16
Step-by-step explanation:
y-1= -1/4(x + (-5/4))
y= -1/4x - 5/4+1
y= -1/4x + 21/16
Answer:
Im not sure, maybe around 5-6 minutes?
Step-by-step explanation:
Step-by-step explanation:
first spinner:
5 is written once :1
total numbers: 13
formula: probability : occurrence of number/total numbers
probability : 1/13.
second spinner:
even numbers: 2,4,6,8,10,12
total : 6 numbers
total numbers: 13
with formula,
probability: 6/13
third spinner:
multiple of four: 4,8,12
total: 3
total numbers: 13
according to formula:
probability: 3/13.
The common ratio is 2:1, or dividing by 2