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nordsb [41]
3 years ago
13

This is due in a hour ​

Mathematics
1 answer:
Dimas [21]3 years ago
6 0
Formula- A = π r²
a= area
r= radius

diameter of the circle- 3.75 x 2 = 7.5

hope this helps :)
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Bogdan [553]
I think it's x2–1=0 because it's the only one that has -1 for origin of the ordinate
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Los 800 am termómetro marca 2°C. De las 8 am a las 11 am baja a razón do 3C por hora y de 11 am 12pm sube a razón
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3 years ago
Jarvis invested some money at 6% interest. Jarvis also invested $58 more than 3 times that amount at 9%. How much is invested at
DerKrebs [107]

9514 1404 393

Answer:

  • $3309 at 6%
  • $9985 at 9%

Step-by-step explanation:

Let x and y represent amounts invested at 6% and 9%, respectively.

  y = 3x +58 . . . . . . . the amount invested at 9%

  0.06x +0.09y = 1097.19 . . . . . . total interest earned

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Substituting for y, we have ...

  0.06x +0.09(3x +58) = 1097.19

  0.33x + 5.22 = 1097.19 . . . . . . . . . simplify

  0.33x = 1091.97 . . . . . . . . . . . . subtract 5.22

  x = 3309 . . . . . . . . . . . . . . . . divide by 0.33

  y = 3(3309) +58 = 9985

$3309 is invested at 6%; $9985 is invested at 9%.

8 0
3 years ago
HELP HELP HELP I NEED HELP
iris [78.8K]

Answer:

b

Step-by-step explanation:

cause it a circle and it will need a little more then the number it is

4 0
3 years ago
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What is the solution of the equations y=-x and y=-14X+1?
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