The cooking instructions for roast chicken state that it needs

Mathematics

1 answer:

stepladder [879]2 years ago

7 0

Answer:

5 kg

Step-by-step explanation:

use formula, plugging 2 3/4 hours in as 165 minutes

165 = 90 + 15m

75 = 15m

m = 75/15

m = 5

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10x + 4y = 24 6x +12y = 48 What is the value of y? * <br>A. 7 <br>B. 7/2 <br>C. 1 <br>D. -7/2

ziro4ka [17]

Answer:

Step-by-step explanation:

1) lets use elimination to solve this:

multiply 10x+4y=24 with 3 in order to get "4y" into "12y"

3(10x+4y=24)

30x+12y=72

now subtract both equations to eliminate 'y"

30x+12y=72

6x+12y=48

---------------------

24x=24

x=1

now substitute 1 in the above equation:

6(1)+12y=48

6+12y=48

12y=42

y=7/2

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