4m+9+5m-12=42
9m-3=42
Divide bothsides by 9.
9m/9 -3/9=-0.3=-4
m=-4
The improper fraction to that is 167/3
Answer:
1,000
+ 900
+ 20
+ 0
+ 0.2
+ 0.09
+ 0.002
+ 0.0003
Step-by-step explanation:
one thousand nine hundred twenty and two thousand nine hundred twenty-three ten-thousandths
Answer:
is wrong,6/20,3/10
Step-by-step explanation:
Answer – C. the sample size 16 is too small
If we toss a coin 16 times in order to test the hypothesis
H0: p = 0.5 that the coin is balanced, we can't use the z-test for a proportion
in the situations because the sample size 16 is too small. The z-test is best
used when the sample size is greater than 30; when the sample size is less than
30, t-test is more appropriate.