Answer:
it might be 8-9.5 correct me if i am wrong
Step-by-step explanation:
Answer:
Step-by-step explanation:
Expression for the rectangular area and perimeter are, respectively:
After some algebraic manipulation, area expression can be reduce to an one-variable form:
The first derivative of the previous equation is:
Let the expression be equalized to zero:
The second derivative is:
According to the Second Derivative Test, the critical value found in previous steps is a maximum. Then:
The maximum area is:
Answer:
55% of the people surveyed were satisfied with the car
Step-by-step explanation:
The proportion of people surveyed who were satisfied with the car is the number of people who said they would buy that type of car again divided by the total number of people survied.
The percentage is the proportion multiplied by 100.
We have that:
2,300 people surveyed
1,265 said they would buy that type of car again.
1265/2300 = 0.55
0.55*100 = 55%
55% of the people surveyed were satisfied with the car
Answer:
I'll just do the entire thing since it's 13 points
<em>1.</em> 35
<em>2. </em>45
<em>3. </em>45
<em>4. </em>65
<em>5. </em>115
<em>6. </em>65
<em>7. </em>80
<em>8. </em>35
<em>9. </em>145
