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Ulleksa [173]
3 years ago
8

Solve by either substitution or elimination. { 6x − 3y = 15 7x + 4y = 10

Mathematics
1 answer:
pogonyaev3 years ago
6 0
* eq 1 by 4 and eq 2 by 3 and add
24x-12y=60
21x+12y=30
45x=90
x=2
y=-1
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Write the ratio 1.6 : 4 as a fraction in simplest form, with whole numbers in the numerator and denominator.
skad [1K]
1.6 : 4

1.6 is also equal to 8/5

therefore,

8/5 : 4

(8/5)/4

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(8/5)*(1/4)

(8/4)*(1/5)

2*(1/5)

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two fifth is the answer
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3 years ago
No work just an answer
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Answer:

437.4m

Step-by-step explanation:

1 cm = 4.5m

7.2x4.5=32.4

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32.4x13.5 = 437.4m

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eimsori [14]

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cancelling b,

= -3/7

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3 years ago
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