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Papessa [141]
4 years ago
12

The radius of a circular disk is given as 24 cm with a maximum error in measurement of 0.2 cm. (a) Use differentials to estimate

the maximum error in the calculated area of the disk. (Round your answer to two decimal places.)
Mathematics
1 answer:
Vitek1552 [10]4 years ago
6 0

Answer:

30.17 cm

Step-by-step explanation:

area of  a circular disc=π*r^2

derivative of area=2*π*r

maximum error= derivative * error in radius

i.e . 2*π*r*0.2

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How many eight-digit serial numbers contain three of one digit, two of another digit, two of yet another digit, and one of still
Harlamova29_29 [7]

It is easier to understand the problem if you create a number based on the criteria and then perform the computations. I am going to choose: 111 22 33 4

There are 10 options for the first "1" and only 1 option for the other two 1's

There are 9 remaining options for the first "2" and only 1 option for the other 2

There are 8 remaining options for the first "3" and only 1 option for the other 3

There are 7 remaining options for the "4"

10 x 1 x 1    x      9 x 1     x      8 x 1      x      7

10 x 9 x 8 x 7 = 5,040

Answer: 5,040

6 0
4 years ago
Choose the statement that is true about the given quantities.
Korvikt [17]

Answer:

Olá, tudo bem?

Step-by-step explanation:

Meu nome é Ana Kesia, e o seu?

Foi mal, Nn Consegui responder!

3 0
3 years ago
Read 2 more answers
Find the volume of a right rectangular prism with a length of 3, a width of 5, and a height of 6.
fenix001 [56]

Answer:

The answer is  90 square units.

Step-by-step explanation:

Volume = the length (3) x height (6) x width (5)

3 x 5 x 6 = 90

6 0
3 years ago
A school attendance clerk wants to determine if there is a relationship between the number of times a student arrives to school
navik [9.2K]

Answer:

There is no clear relationship between the number of times students arrive late and the distances they live from school.

Step-by-step explanation:

By looking at the graph, there is no clear direction or association that the graph has. Therefore, there is no clear relationship between the variables being compared.

4 0
3 years ago
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To receive a grade of A on an 80-question test, 90% of the questions must be answered correctly. What is the maximum number of q
marta [7]

Answer:

The answer would be 8.

Step-by-step explanation:

This is a percentage question, and I have struggled with these before but this is the <em>easiest</em> way to solve it given these certain criteria.

Alright, so it's given that:

A) 90%= an A grade

and

B) This is an 80-question test.

Given these, we can do the following:

90% times 80, which equals <em>72</em>.

Just to check, we know that to convert percentages to fractions, we move the decimal two spots to the left, therefore 90%= 0.90, or 0.9. We take 72 and divide it by 80, and we get 0.9, thus showing that it is correct.

Then, we do 80-72 and using simple math we get 8.

8 0
3 years ago
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