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1 1 -x--y = 10 4 1 1 X--y= 19 8. 8. equations above? A) (-112,-264) B) (64, 88)

1 1 -x--y = 10 4 1 1 X--y= 19 8. 8. equations above? A) (-112,-264) B) (64, 88)

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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A the babysitter gets texpression could h the babysitter 1y-10 ーメーーリ=10 4 | 1 1 x-ー=19 8 8 gle ABC above is isosceles with A84 18. The ratio of DE to DF isS when both Note: Figure not drawn to scale mumber ofhours equations above? E nber of hours mber of dhildren B A) (-112,–264) ber of children B) (64, 88) 232 224 C) 3 3 D) (288, 536) 4. eth of DC ?
Transcribed Image Text:A the babysitter gets texpression could h the babysitter 1y-10 ーメーーリ=10 4 | 1 1 x-ー=19 8 8 gle ABC above is isosceles with A84 18. The ratio of DE to DF isS when both Note: Figure not drawn to scale mumber ofhours equations above? E nber of hours mber of dhildren B A) (-112,–264) ber of children B) (64, 88) 232 224 C) 3 3 D) (288, 536) 4. eth of DC ?
Expert Solution
Step 1

Given pair of equation:-

  (1/2) x - (1/4) y = 10

  (1/8) x - (1/8) y = 19

Use substitution method as following:-

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