I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER. Find the values of
the variables. Then find the side lengths of the square.
X=_____
Y=_____
X=_____
Y=_____
1 answer:
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Answer:
The base of the triangle decreases at a rate of 2.262 centimeters per minute.
Step-by-step explanation:
From Geometry we understand that area of triangle is determined by the following expression:
(Eq. 1)
Where:
- Area of the triangle, measured in square centimeters.
- Base of the triangle, measured in centimeters.
- Height of the triangle, measured in centimeters.
By Differential Calculus we deduce an expression for the rate of change of the area in time:
(Eq. 2)
Where:
- Rate of change of area in time, measured in square centimeters per minute.
- Rate of change of base in time, measured in centimeters per minute.
- Rate of change of height in time, measured in centimeters per minute.
Now we clear the rate of change of base in time within (Eq, 2):
(Eq. 3)
The base of the triangle can be found clearing respective variable within (Eq. 1):
If we know that ,
,
and
, the rate of change of the base of the triangle in time is:
The base of the triangle decreases at a rate of 2.262 centimeters per minute.
Answer:
C. 65
Step-by-step explanation:
The table which shows the results of the survey are attached below.
From the table:
- Total Number of non-social media users = 71
- Number of non-social media user aged 28 and up = 46
Therefore, the probability that a non-social media user is an older student aged 28 and up
The probability that a non-social media user is an older student aged 28 and up is 65%.
<u>The correct option is C. </u>
