Answer:
x<=-4
.............................................
Square root 144 = 12 so this is the rational number
Answer:
C
Step-by-step explanation:
First we find the z-score.
z = (x - μ) / σ
z = (520 - 500) / 60
z = 0.33
Using a calculator or z-score table:
P(z < 0.33) = 0.6293
The probability is approximately 63%. Answer C
Answer:
x = - 100
Step-by-step explanation:
Given
+ 6 = - 14 ( subtract 6 from both sides )
= - 20
Multiply both sides by 5 to clear the fraction
x = 5 × - 20 = - 100
Answer:
See Explanation
Step-by-step explanation:
![A = \pi {r}^{2} \\ \\ \frac{A}{\pi} = {r}^{2} \\ \\ \huge \red{ \boxed{ r = \sqrt{\frac{A}{\pi} } }}](https://tex.z-dn.net/?f=A%20%3D%20%5Cpi%20%7Br%7D%5E%7B2%7D%20%20%5C%5C%20%20%5C%5C%20%20%5Cfrac%7BA%7D%7B%5Cpi%7D%20%20%3D%20%20%7Br%7D%5E%7B2%7D%20%20%5C%5C%20%20%5C%5C%20%5Chuge%20%5Cred%7B%20%5Cboxed%7B%20r%20%3D%20%20%5Csqrt%7B%5Cfrac%7BA%7D%7B%5Cpi%7D%20%20%7D%20%7D%7D)