3 years ago

PLS HELP, 20 POINTS (easy question but I'm dummy)

Mathematics

1 answer:

yarga [219]3 years ago

8 0

Answer:

diagonals are perpendicular......its not true

Step-by-step explanation:

hiiii

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(24ba^2)/(8ab^2)=3a/b=width

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3 years ago

If a building was placed at coordinates (-5,5), what would be the new coordinates if rotated 270° counterclockwise around the or

Brums [2.3K]

The rule for a 270° counterclockwise rotation is (x, y) ---> (y, -x).

So if you rotated (-5,5) 270° counterclockwise around the origin the new coordinates would be (-5,-5).

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natali 33 [55]

Answer:

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Step-by-step explanation:

We are given the following in the question:

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$\bar{x} \pm z_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.02} = \pm 2.33$

$34.06 \pm 2.33(\frac{23.83}{\sqrt{133}} ) = 34.06 \pm 4.81 = (29.25,38.87)$

b) If a 95% confidence interval were constructed with these data, confidence interval would be narrower as the confidence level is decreasing as compared to 98%

c) If a sample of 150 students had been studied, the width of confidence interval will decrease as the sample size increases.

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3 years ago

Gil bought 2 packs of pencils there were 10 pencils in each pack how many pencils did Gil buy

kupik [55]

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Step-by-step explanation:

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