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Papessa [141]
3 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]3 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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3 years ago
This is really hard for me can someone please help<br> This gives me a headache trying to do it
Papessa [141]
1. 3x-5<19 
    3x-5+5<19+5
    3x<24
    3x/3<24/3
    x<8

2. -2x+12<-4
    -2x+12-12<-4-12
    -2x<-16
    -2x/-2>-16/-2
       x>8

3. Because the numbers are positive when divided.

4. The inequality sign is reversed because the 2nd to last step is divided by by a negative number. (This is also the same for multiplication)
 
5. -7d+8>29
    -7d+8-8>29-8
    -7d/7>21/-7
       d>-3

6.12-3b<9
   12-12-3b<9-12
    -3b/-3>-3/-3
        b>1

7.z/7-6=>-5
   z/7-6+6=>-5+6
   z/7*7=>1*7
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The table shows a bicycle rider moving at a constant rate of speed.
Mariana [72]
<h2><u>Answer:</u></h2><h2>\boxed{\boxed{\sf{Distance}}}</h2><h2 /><h2><u>Solution Steps:</u></h2>

______________________________

<h3>1.) Dependent Variable:</h3>
  • A dependent variable is almost always the (y) variable. This also means it depends on another variable. The way you can tell it's dependent for this problem is that the per the rule: distance = time. This means that the distance changes based on the time.
  • (y) depends on (x)

So your answer is Distance.

______________________________

7 0
2 years ago
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