Answer: Here is the answer!
Step-by-step explanation:
AD = √(19^2 + 3^2)
AD = √370
AD = 19.2
answer
C. 19.2
Answer:
Step-by-step explanation:
according to my calculations the phrase 5t-2 is going according to the population of strategy so it would be 2 less than 5 times a number
Answer:
y is decreasing by 10units per second
Step-by-step explanation:
Given xy = 15
If x = 3
y = 15/3
y = 5
dx/dt= 6
Differentiating xy = 15 implicitly with respect to t using product rule
x
xdy/dt + ydx/dt = 0
Substitute the given value into the expression and solve for dy/dt as shown:
3dy/dt + 5(6) = 0
3dy/dt + 30 = 0
3dy/dt = -30
Divide both sides by 3
(3dy/dt )/3 = -30/3
dy/dt = -10
This means that y is decreasing by 10units per second (it is decreasing because of the negative sign)
A test statistic is a parameter used during a hypothesis
test to determine whether to accept or reject the null hypothesis. There are 2
test statistics, the z-score and t-score. The main difference is that the
t-score is used when sample size is not greater than 30. Therefore we will use
the t-score in this case.
The formula for t-score is:
t-score = (x – μ<span>) / (s / sqrt n) -----> equation 1</span>
Where,
x = sample mean = 10.1
μ =
population mean = 9.7
s = sample
standard deviation = 1.8
<span> n = sample size = 30</span>
Substituting
the given values in equation 1:
t-score =
(10.1 – 9.7) / (1.8 / sqrt(30))
t-score = 1.22
<span>Answer: The test statistic is 1.22.</span>
