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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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6. The total cost of materials to build the foam
Sophie [7]

Answer:

Cost of Material per square foot = $1.7

Step-by-step explanation:

Given:

Length = 24

Width = 12

Height = 6.5

Find:

Cost of Material per square foot

Computation:

TSA of pit = 2[bh + hl] + lb

TSA of pit = 2[(12)(6.5) + (24)(6.5)] + (24)(12)

TSA of pit = 2[78+156] + 288

TSA of pit = 756 square foot

Cost of Material per square foot = 1,285.20 / 756

Cost of Material per square foot = $1.7

4 0
3 years ago
If CR = 2, RA = 3 , and BC = 10, find CS.<br><br><br>4<br><br>6<br><br>6 2/3<br><br>15
OlgaM077 [116]

Answer:

CS = 4

Step-by-step explanation:

From the figure below;

Triangle ABC is similar to triangle RSC

Therefore, the ratio of the corresponding sides in the two triangles is equal;

That is;

\frac{AB}{RS}=\frac{AC}{RC}=\frac{BC}{SC}

In this case, CR = 2 , RA = 3 and BC = 10 we are required to determine CS

But; \frac{AC}{RC}=\frac{BC}{SC}

AC=CR + RA

    = 5

Assuming CS is y, then

\frac{5}{2}=\frac{10}{y}

y=\frac{10(2)}{5} \\  = 4

Therefore, CS is 4

5 0
4 years ago
. 4, 10, 16, 22, 28,... (1 point)<br> 32,38<br> 32, 40<br> 34, 38<br> 34,40
Oksanka [162]

Answer:idk sorry

Step-by-step explanation:

8 0
4 years ago
Samuel takes 5 hours to make a table and a chair. He takes 9 hours to make 3 chairs
nikklg [1K]

Answer:

3 hours

Step-by-step explanation:

t = time to make a table

c = time to make a chair

t + c = 5

t+3c = 9

Subtract the second equation from the first

t+3c = 9

-(t + c = 5)

-----------------------

       2c = 4

Divide by 2

2c/2 = 4/2

c =2

2 hours for the chair

t+c = 5

t+2 = 5

t = 5-2

t = 3hours

7 0
3 years ago
Read 2 more answers
6. A plumber charges $45 for travel and $60 per hour. The cost for h hours can be found using this
arsen [322]

Hope This Helps You!!!

Have a great day!!!

7 0
3 years ago
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