Answer:
x+4=0
Step-by-step explanation:
I think it’s 30 not gonna lie I’m gonna get somebody
Let’s see if there’s anyone!!!!!!!!!!!!
A.
Answer:
18 machines
Step-by-step explanation:
9 machines give 24 mins... You need to reduce the time by half by adding using double the machines..
So 9×2=18
Answer:
0.16
Step-by-step explanation:
Given the data:
Students __ `Gr_9 __Gr_10 __ G_11 __G_12
Frequency : 152 ___130 ______ 80 ___98
The probability is :
Frequency of grade 11 / number of trials
80 / 500
Answer:
X=6, Y=-1
Solved using substitution