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Viefleur [7K]
2 years ago
15

Question 2

Mathematics
1 answer:
DENIUS [597]2 years ago
8 0

9514 1404 393

Answer:

  1.05

Step-by-step explanation:

Following instructions, we have ...

  Z = (X -μ)/σ

  Z = (180 -159)/20 = 21/20

  Z = 1.05

The Z-score associated with the value 3 minutes is 1.05.

_____

<em>Additional comment</em>

About 14.7% of customers will be getting free coffee.

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Item 5<br> Write 77.5% as a fraction or mixed number in simplest form.
jeyben [28]

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<span>
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3 years ago
2 1/5 + 1 3/5 = ??? Plz help
jok3333 [9.3K]

Answer:

3 \frac{4}{5}

Step-by-step explanation:

1) Add the whole numbers first.

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3 +  \frac{1 + 3}{5}

3) Simplify.

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2 years ago
The sum of the digits of a two-digit number is 10. When the digits are reversed, the new number is 18 less than the original num
eimsori [14]
<h3>Answer:</h3>

64

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6+4= 10

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3 0
3 years ago
Grace, Chelsea, and Roan are simplifying the same polynomial expression. which students work is correct and why?
Trava [24]

Answer:

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Step-by-step explanation:

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8 0
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