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Aleonysh [2.5K]
3 years ago
13

Determine which of the following terms are not considered to be like terms with the expression -6s ( the two is squared like on

top)2t
select all situations that apply

Mathematics
1 answer:
Iteru [2.4K]3 years ago
4 0

Answer:

s^2t^2

4(s\cdot t)

-6(s^2+t)

Step-by-step explanation:

We want to select all the terms that are not considered to be like terms with -6s^2t.

The terms that are like terms with -6s^2t must have s^2t.

It doesn't matter the coefficient.

So we can easily see that all the following are not like terms with -6s^2t:

s^2t^2

4(s\cdot t)

-6(s^2+t)

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10# A consumer advocacy group is doing a large study on car rental practices. Among other things, the consumer group would like
ella [17]

ANSWER:

104

STEP-BY-STEP EXPLANATION:

Given:

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We have for a confidence level of 95%:

\begin{gathered} \alpha=100\%-95\%=5\%=0.05 \\  \\ \alpha\text{/2}=\frac{0.05}{2}=0.025 \\  \\ \text{ The corresponding Z value for \alpha/2 = 0.025 is as follows:} \\  \\ Z_{\alpha\text{/2}}=1.96 \end{gathered}

Now, we calculate the minimum value of the sample size as follows:

\begin{gathered} n=\left(\frac{Z_{\alpha\text{/2}}\cdot\sigma}{E}\right)^2 \\  \\ \text{ We replacing:} \\  \\ \:n=\left(\frac{1.96\cdot 700}{135}\right)^2 \\  \\ \:n=103.2858\cong104 \end{gathered}

The minimum sample size needed is 104

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1 year ago
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