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Mathematics

1 answer:

Deffense [45]2 years ago

3 0

Answer:

Step-by-step explanation:

4.75%

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Now write 12% as a fraction in simplest

Rama09 [41]

Answer: 3/25

Explanation:
12% as a fraction is 12/100. 12/100 divided by 4 is 3/25.

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2 years ago

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The angle bisector of

klemol [59]

A is correct. Hope my answer helped u :)

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2 years ago

If line AD is a tangent to circle B at point C, and m∠ABC = 40º, what is the measure of ∠BAC? 90º 180º 50º 40º

zhenek [66]

We have a line tangent to the circle with center B at point C. We know that the angle formed between the tangent line at the point of intersection to the line extended from that point to the center of the circle is equal to 90°. In the problem, the 90° is for ∠BCA. We also know that the summation of all angles in a triangle is 180°. We have the solution below for the ∠BAC
180°=∠BAC + ∠BCA + ∠ABC
180°=∠BAC + 90° + 40°
∠BAC =50°
The answer is 50°.

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3 years ago

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Electric current flowing through wire produces heat that

morpeh [17]

I’m not sure? But don’t answer the guy with the bitly it’s a scam

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2 years ago

What would happen to the width of the confidence interval if Gina changed it to a 99% confidence interval?

luda_lava [24]

Answer:

The confidence interval becomes wider.

Step-by-step explanation:

The general form of a confidence interval is:

$Sample\ statistic\pm Critical\ value\times \frac{Standard\ deviation}{\sqrt{Sample\ size} }$

The critical value is based on the confidence level.

The confidence level is the probability that the true parameter value falls within a specific interval. The basic and most used confidence levels are 90%, 95% and 99%.

The confidence interval is directly proportional to the confidence interval.

Confidence Interval ∝ Confidence Level

On increasing the confidence level the confidence level widens. And on decreasing the confidence level the confidence level gets narrower.

Thus, when Gina changes the confidence interval to 99% the confidence interval becomes wider.

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2 years ago