Answer:
Option d.
Amelie read 30 pages of a book. she read 1/5 of the pages on monday. how many pages did she read on monday?
Answer:
A. -1.6; not significant
Step-by-step explanation:
The z-score of a data set that is normally distributed with a mean of and a standard deviation of , is given by:
.
From the question, the test score is: , the mean is , and the standard deviation is .
We just have to plug these values into the above formula to obtain:
.
This simplifies to: .
.
We can see that the z-score falls within two standard deviations of the mean.
Since the value is not significant.
The correct answer is A. -1.6; not significant
Step-by-step explanation:
h(x) is positive when h(x) is greater than 0.
When h(x) = 0, 2x + 10 = 0, x = -5
Since this is a straight line graph and the gradient is positive, the interval is (-5,∞).
A. 8
b. 29
d.-22
e. -80
g. 0
h. 3
Answer:
c
Step-by-step explanation:
(0,-5)
0-(-5)=5
x=0
y=-5
making it c