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ivann1987 [24]
3 years ago
13

How do you use the associative property to write an expression equivalent to (w+9)+3

Mathematics
1 answer:
m_a_m_a [10]3 years ago
5 0

The equivalent expression for the given expression (w+9)+3 using associative property is w + 12

<u>Solution:</u>

Given that, expression is ( w + 9 ) + 3

We have to find how do we can use the associative property to write an expression equivalent to ( w + 9 ) + 3

The associative property states that you can add or multiply regardless of how the numbers are grouped

By above definition, we get

(a + b) + c = a + (b + c)

So, now let us apply the above property to the given expression,

Then, ( w + 9 ) + 3 = w + ( 9 + 3 ) = w + 12

Hence, the equivalent expression for the given expression is w + 12

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Assume the upper arm length of males over 20 years old in the United States is approximately Normal with mean 39.2 centimeters (
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The interval [32.6 cm, 45.8 cm]

Step-by-step explanation:

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[39.2 - 3*2.2, 39.2 + 3*2.2] = [32.6, 45.8]

<em>This means that if we measure the upper arm length of a male over 20 years old in the United States, the probability that the length is between 32.6 cm and 45.8 cm is 99.7%</em>

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3 years ago
Please Help! 39 and 40 please!!! :D
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Answer:

Look below.

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