3 years ago

I’ve been at these questions all day. Please help

Mathematics

2 answers:

julsineya [31]3 years ago

8 0

Answer:

How does the novel "In Cold Blood" address the question of responsibility regarding the Clutter murders?

Phantasy [73]3 years ago

7 0

Answer:

தமிழ்நாட்டில் உள்ள நெல் வகைகளை குறிப்பிட்டு எழுதுக

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expeople1 [14]

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3x+3-2
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3 years ago

Last week Sam had 31 dollars.He washed cars over the weekend and now has 98 dollars.How much money did he make washing cars? Par

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Answer:

Equation: 98 - 31 = 67

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3 years ago

After 8 minutes, what is the position of Submarine D, relative to sea level?

ella [17]

Answer:

-30

Step-by-step explanation:

-3 3/4x8=-30 hope this helps

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3 years ago

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:

Standard deviation (σ) = 700

Confidence level = 95%

Mean error (Eμ) = 135

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

3 0

1 year ago

Look at the picture below // 99 points // PLEASEE HELPP

jenyasd209 [6]

Your answer is D.
The polygon won't change shape or size, just its position.

4 0

4 years ago

Read 2 more answers