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Phoenix [80]
4 years ago
8

Name the property of real numbers illustrated by the equation 2x+4y=4y+2x Distributive Property

Mathematics
1 answer:
Stella [2.4K]4 years ago
7 0
It is 12.090i know this because if you multiple and divide then add all the numbers you get 12.090
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Michael bought a shirt with 2/5 of his money. Then he bought a jacket that cost $5 more than the shirt. He spent $105 altogether
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Answer:

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Step-by-step explanation:

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3 years ago
Find the sample size required to achieve the given margin of error with SD = 51.02 and z - score = 1.96. Round your answer to th
coldgirl [10]

Answer:

The sample size required is 2500.

Step-by-step explanation:

z-score:

In function of the margin of error M, the z-score is given by:

Z = \frac{M}{\frac{\sigma}{\sqrt{n}}} = \frac{M\sqrt{n}}{\sigma}

In this question, we have that:

\sigma = 51.02, M = 2, Z = 1.96

So

Z = \frac{M\sqrt{n}}{\sigma}

1.96 = \frac{2\sqrt{n}}{51.02}

2\sqrt{n} = 51.02*1.96

\sqrt{n} = \frac{51.02*1.96}{2}

(\sqrt{n})^2 = (\frac{51.02*1.96}{2})^2

n = 2500

The sample size required is 2500.

3 0
3 years ago
X2 – 5x + 6 = 0 solve.
Strike441 [17]
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4 0
3 years ago
Bobcat Park is a rectangular park with an area of 5 2/5 square miles.Its width is 1 11/25 miles.How long is the park?
ELEN [110]
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4 0
3 years ago
Determine if the following equation is conditional equation, identity or a contradiction.
kow [346]

Answer:

dont know

Step-by-step explanation:

dont know

3 0
3 years ago
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