Answer:
≈ <em>3.4</em><em> </em>
Step-by-step explanation:
Coordinates of the point that divide segment with endpoints A( 
, 
) and B( 
, 
) in a ratio a : b are
, 
)
A(- 4, - 7)
B(8, - 4)
Ratio 8 : 5
x-coordinate is 
= 
≈ <em>3.4</em>
Answer:
d) -2
Step-by-step explanation:
(-1 - 19)/(16 - 6)
-20/10 = -2
Answer:
s(r(4)) = 13
Step-by-step explanation:
Substitute and calculate:
s(r(4)) = 13
Answer:
- P(x < 84) = 0.3085 or approximately 31%
============
<em>Hello to you from Brainly team!</em>
<h3>Given</h3>
- Mean grade μ = 86,
- Standard deviation σ = 4,
- Grade limit x = 84.
<h3>To find </h3>
- Probability of that a randomly selected grade is less than 84 or P(x < 84).
<h3>Solution</h3>
Find z-score using relevant equation:
Substitute values and calculate:
Using the z-score table find the corresponding P- value.
- P(x < 84) = 0.30854 or approximately 31%
Answer:
Step-by-step explanation:
b + g = 8x
