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lesya692 [45]
3 years ago
12

Help pleaseeeee nowwwwwwww

Mathematics
1 answer:
cupoosta [38]3 years ago
6 0
#1 - 8/7 7:8
#2 -3:4
#3 - 3:8
#4 -4:3
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marusya05 [52]

Answer:

Ф=144

Ф =s/r ( Ф is the central angle,s is the arc length, r is the radius)

find r:

radius =circumference/2π=1/2π=0.16

Ф=(2/5) /(1/2π)=4π/5=144 degree (π=180)

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3 years ago
Find the slope and describe the line. (10,-1) & (7,-1)
Margaret [11]

Answer:

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Step-by-step explanation:

use the formula

(y2-y1)/(x2-x1)

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so where (x1,y1) (x2,y2) can be subsituted

so putting it in the formula ...

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