Answer:
The answer is x=
, x= 
Step-by-step explanation:
x^2=a
-9x=b
3=c
Plug into formula.
Equation: 
Simplify the equation.
Equation: 
Subtract 81 and 12.
Equation: 
Spit into two equations
Equation 1: 
Equation 2: 
Hope this helps!
Answer:
Step-by-step explanation:
(27.48×25)/100 =6.87
or : 27.48/4 =6.87
Answer:
To round a number to the nearest tenth , look at the next place value to the right (the hundredths). If it's 4 or less, just remove all the digits to the right. If it's 5 or greater, add 1 to the digit in the tenths place, and then remove all the digits to the right.
Step-by-step explanation:
hope it helps you friend
Answer:
I don't understand your question
Step-by-step explanation:
Answer:


Step-by-step explanation:
Given that A perfume company claims that the mean weight of ther new perfume is at least 8.9 fluid oz
For testing this claim, in Statistics we perform a certain measures called hypothesis testing.
For this first step is to create null and alternate hypothesis.
Normally null hypothesis would have some statistic = something
Here we want to test the mean weight of perfume
Hence null hypothesis would be
H0: mu = 8.9 fl oz.
Alternate hypothesis would be opposite of this claim
i.e.
Ha: mu ≠8.9 fluid oz
Hence answer is

