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stiv31 [10]
3 years ago
12

Amira sells balloon animals. She uses the same number of balloons for each animal she makes.

Mathematics
1 answer:
Leni [432]3 years ago
4 0

Answer:

58

Step-by-step explanation:

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The function {(-1, 2), (-2, 1), (0, 2)} has the function rule y = x + 3. HELPPPPPP
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Nicole sold 2 times more t-shirts than
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54

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1. Write a numerical expression for the phrase “twelve groups of the sum of fourteen and 10.”
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The expression for five groups of a number added to seventeen.

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Five groups of the number will be 5X
The required expression will be
5(X) +17
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Find the volume of the cone shown. Use 3.14 for pi. Round your answer to the nearest hundredth.
nlexa [21]

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In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-s
Radda [10]

Answer:

68%

Step-by-step explanation:

The Standard Deviation Rule = Empirical rule formula states that:

68% of data falls within 1 standard deviation from the mean - that means between μ - σ and μ + σ.

95% of data falls within 2 standard deviations from the mean - between μ – 2σ and μ + 2σ.

99.7% of data falls within 3 standard deviations from the mean - between μ - 3σ and μ + 3σ.

From the question,

Step 1

We have to find the number of Standard deviation from the mean. This is represented as x in the formula

μ = Mean = 61

σ = Standard Deviation = 8

For x = 53

μ - xσ

53 = 61 - 8x

8x = 61 - 53

8x = 8

x = 8/8

x = 1

For x = 69

μ + xσ

69 = 61 + 8x

8x = 69 - 61

8x = 8

x = 8/8

x = 1

This falls within 1 standard deviation of the mean where: 68% of data falls within 1 standard deviation from the mean - that means between μ - σ and μ + σ.

Therefore, according to the Standard Deviation Rule, the approximate percentage of daily phone calls numbering between 53 and 69 is 68%

3 0
2 years ago
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