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Bumek [7]
2 years ago
13

For the student council meeting after school, Mr. Aggie brought 7 loaves of homemade raisin bread. Each loaf was cut into 20 equ

al pieces. The sixth grade students ate 1 whole loaf and 4 slices of raisin bread. The seventh grade students ate 9 slices of raisin bread. The eighth grade students ate 6 slices of raisin bread. Which expression below can be used to show the amount of raisin bread eaten by the student council members?
Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
3 0

Answer:

proportion of ratio will be used

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Answer:

4xy See image.

Step-by-step explanation:

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7 0
2 years ago
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gtnhenbr [62]

Answer:

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Step-by-step explanation:

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H₀ : p = 0.9

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Z = (p" - p ) / √[p×(1-p)/n]

= (0.65 - 0.9) /√[0.9 × (1 - 0.9) / 20]  

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= -0.25 / √0.0045

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3 0
2 years ago
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2 years ago
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