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noname [10]
3 years ago
10

What is the perimeter of semicircle with radius of 3cm

Mathematics
2 answers:
EleoNora [17]3 years ago
8 0

Answer:

15.42 cm

Step-by-step explanation:

perimeter of semicircle = πr + 2r

=3.14*3  + 2*3

=9.42 + 6

=15.42

sergiy2304 [10]3 years ago
4 0

Answer:

198/7

Step-by-step explanation:

perimeter of semi circle= (pi) x r + d

                                     = 22/7 x 3 + 6

                                     = 198 cm

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Find the slope between<br> the following points:<br> (1,12) and (-7,-10)
OLEGan [10]

Answer:

11/4

Step-by-step explanation:

To find the slope of a line given two points, we use the formula

m = (y2-y1)/(x2-x1)

   = (-10-12)/(-7-1)

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6 0
3 years ago
How much money does Carl earn per hour? Show your work. You will not receive full credit for a
Komok [63]
  • From the table showing in the diagram, Let's pick the data in the first row:

Time = 3 hours

Money earned = $45

  • The amount of money Carl earns per hour is calculated as:

3 hours = $45

1 hour = ?

Cross Multiply

1 hour x $45 / 3 hours

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  • Let's confirm our answer using the data in the last column

Time = 10 hours

Money earned = $150

The amount of money Carl earns per hour is calculated as:

10 hours = $150

1 hour = ?

Cross Multiply

1 hour x $150 / 10 hours

= $15

Therefore, the amount of money Carl earns per hour is $15

To learn more, visit the link below:

brainly.com/question/1004906

3 0
2 years ago
When the sum of a number and -6 is multiplied by -3, the result is 24
Firlakuza [10]
Number = -14
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