Answer:
(0, - 1) maximum
Step-by-step explanation:
The vertex is the turning point of the graph.
That is vertex = (0, - 1 )
Since the graph opens down then it is a maximum
Answer:
9 weeks
Step-by-step explanation:
Assuming he takes equal number of quizzes weekly then having taken 24 quizzes within 4 weeks means for every week Carson took 24/4=6 quizzes per week.
With a target of 54 quizzes this quater and while maintaining 6 quizzes per week then Carson will take 54/6= 9 weeks to meet thw target.
Therefore, Carson needs 9 weeks this quater
Answer:
The 95% confidence interval is
.
Step-by-step explanation:
The information provided is:

The critical value for 95% confidence level is:

Compute the margin of error as follows:


Then the 95% confidence interval is:


Thus, the 95% confidence interval is
.
Step 2 is incorrect the sum of the 2 angles should be 180 degrees, not 90
Answer:
Scale used for drawing is 1 cm = 1.75 m
Step-by-step explanation:
An architect makes a scale drawing of a house.
Actual width of porch = 7 meters
Width of porch on drawing = 4 cm
So, Actual width = Drawing width
So, 4 cm = 7 m
1 cm = 1.75 m
So, Scale: 1 cm = 1.75 m
So, Option B is correct
B)1 cm = 1.75 m
Hence scale used for drawing is 1 cm = 1.75 m