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Amanda [17]
3 years ago
8

I need help to answer A and B and C I got kind of confused ​

Mathematics
1 answer:
liubo4ka [24]3 years ago
6 0

Answer:

a y=25+89x b 25 c 14

Step-by-step explanation:

89*22=1958

1983-1958=25(service fee)

(1271-25)/89=14

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Free_Kalibri [48]

Answer:

6

Step-by-step explanation:

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4 0
3 years ago
The circumference of a roll of party streamers is 9 inches. The circumference decreases by 2 inches after you use the streamers
leonid [27]
For that case the new circumference is:
 C = 9 - 2
 C = 7 inches
 By definition, the circumference is:
 C = 2 * pi * r
 Where,
 r: radio
 Substituting values:
 7 = 2 * pi * r
 Clearing the radio:
 r = 7 / (2 * pi)
 Then, the diameter is:
 d = 2 * r
 Substituting:
 d = 2 * (7 / (2 * pi))
 d = 2.228169203
 Round to the hundredth:
 d = 2.23 inches
 Answer:
 
The diameter of the roll after the decrease is:
 
d = 2.23 inches
7 0
3 years ago
Please help. What is the circumference of the circle? <br><br> (X+4)^2+(y-5)^2=81
PIT_PIT [208]

the radius: r^2 = 81

r =9

c = 2*pi*r

 = 2 * pi * 9

 = 18 *pi

Answer: 18*pi or approximately 56.62

8 0
3 years ago
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100% of the original number
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