215% of 18
You must change 215% into a decimal by multiplying by 100 which is 2.15
Then you multiply them
2.15×18=38.7
Then you estimate to the nearest whole number
38.7⇒39
You answer is 38.7
Your answer is 39 estimated
Answer:
x=4
Step-by-step explanation:
you have to do the ( ) first then you combine like terms and then you add them up and boom you got the answer
Answer:
The null hypothesis
The alternative hypothesis
Step-by-step explanation:
From the question we are told that
The mean is
The standard deviation is
The sample size is n = 25
The sample mean is
Generally
The null hypothesis is : That the mean of the Arsenic blood concentrations in healthy individuals is
i.e
The null hypothesis
The alternative hypothesis is : That the mean of the Arsenic blood concentrations in healthy individuals is greater than
The alternative hypothesis
Hello,
Sorry, i don't know the theorem in English
"Théorème des angles extérieurs :
la mesure en degré d’un angle extérieur est égale à la moitié de la différence des arcs interceptés par ses côtés."
Here
2x+15=1/2(10x+20-80)
==>4x+30=10x-60
==>6x=30+60
==>6x=90
==>x=15 °
Answer:
26.6 mi^2
Step-by-step explanation: