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Bad White [126]
3 years ago
12

Write 28.63 in expanded notation and word form.

Mathematics
1 answer:
Andrews [41]3 years ago
6 0

Answer:

Answer below

Step-by-step explanation:

Expanded form : 20 + 8 + 0.6 + 0.03

Expanded form is a way of writing numbers to see the individual math value of digits.

Word form: twenty eight point six three.

HOPE THIS HELPED

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sertanlavr [38]

Answer:

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Sam has 3x + 4 dollars saved. Tessa has saved 7x + 16 dollars. Together they
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Step-by-step explanation:

3x + 4 + 7x + 16 = 110

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8 0
3 years ago
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The Ohio Department of Agriculture tested 203 fuel samples across the state in 1999 for accuracy of the reported octane level. F
OlgaM077 [116]

Answer:

The Sample size is 1918.89035

Step-by-step explanation:

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Samples would be needed to create a 99 percent confidence interval.

Subtract the confidence level from 1, then divide by two.

\frac{(1 -0.99)}{2}=0.005

By standard normal table z=2.5758≈2.58

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n=\frac{z^2pq}{e^2}

Where,  e is the margin of error,

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n=\frac{(2.58)^2(0.133)(0.867)}{(0.02)^2}=1918.89

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4 0
3 years ago
Please help me<br><br><br> Simplify.<br><br> 3(x + 4)
valentinak56 [21]
Distribute the 3.

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Hope this helps :)
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The answer is C. is right

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