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Anna11 [10]
1 year ago
11

Can someone help me out? I can't understand this shape. (Explanation also please). I'll mark brainliest

Mathematics
1 answer:
Tanya [424]1 year ago
8 0

The surface area of the rectangular prism is 46m²

<h3>How to find surface area of a rectangular prism?</h3>

  • length = 4m
  • width = 2.5m
  • height = 2m

Surface area of a rectangular prism = 2(width×length + height×length + height×width)

SA = 2(wl + hl + hw)

= 2(2.5×4 + 2×4 + 2×2.5)

= 2(10 + 8 + 5)

= 2(23)

= 46m²

Therefore, the surface area of a rectangular prism is 46m²

Learn more about surface area:

brainly.com/question/16519513

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Answer:

I can't graph on this but x > -6

To graph you should draw a vertical (up and down) dotted line, and shade the graph to the right of the line.

Step-by-step explanation:

2x+3>-9    Subtract 3 from both sides of the inequality.

2x> -12      Divide both sides by 2

x> -6

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In constructing 98% confidence intervals for means, what do we expect will be true over the long run?
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<h3>What is a confidence interval?</h3>

A confidence interval expresses the degree of uncertainty surrounding a given statistic. A margin of error is frequently used with confidence intervals. It reveals the degree to which you may be certain that the findings of a poll or survey correspond to what you would anticipate discovering if it were possible to poll the complete population. Levels of confidence are inextricably linked to confidence intervals.

Your level of confidence in your findings is shown by the confidence interval. You can never be certain that your results will hold for future surveys or experiments. In statistics, being 95% or 98.5% certain is typically seen as "good enough."

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