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inysia [295]
4 years ago
13

100 POINTS PLZ HELP! EASY MIDDLE SCHOOL MATH!

Mathematics
2 answers:
Tanya [424]4 years ago
7 0
(a)
- right-most point is (6,12) (always use this one)
- left-most point is (3,31)
- slope is 9/-3

point-slope form : y-12 = 9/-3(x-6)

my work portion:

y-12 = 9/-3(x-6)

•SIMPLIFY 9/-3

y-12 = -3(x-6)

•DISTRIBUTE -3(x-6)

y-12 = -3x+18

• MOVE -12 ONTO THE OTHER SIDE AND CHANGE ITS SIGN

y = -3x+18+12

• ADD 18 and 12

y = -3x+30

slope intercept form : y=-3x+30


(b)

i don’t understand . im sorry .




hope this helped :)

Mazyrski [523]4 years ago
5 0

Answer: 16.31

12-9=3 slope the line down to 18 x 7=126 divided 126 by 54=2.33 x 7 = 16.31

Step-by-step explanation:

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