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7nadin3 [17]
2 years ago
5

12.

Mathematics
1 answer:
shtirl [24]2 years ago
3 0
B. if u have wdgenuity it’s B i took the test
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Jack is 3 times as old as lacy. 3 years ago the sum of there ages was 14. How old are they now?
Elan Coil [88]

Answer:

lacy = 8 jack= 24

Step-by-step explanation:

let x be lacys age

3x - 3 + x-3 = 14

3x+x -3 = 14 + 3 = 17

4x = 17 +3 = 20

x = 20/4 = 5

lacys age now = 5+3 = 8

jacks age now = 8 * 3 = 24

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kenny6666 [7]

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3 years ago
PLEASE HELP MEEE ITS VERY URGENT
suter [353]

Answer:

C=31.42

A=78.55

Step-by-step explanation:

C=2\pi r

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C=31.42

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