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djverab [1.8K]
3 years ago
15

if you throw a rubber ball toward the ground at an angle, it will bounce up feom the ground at the same angle. find the unknown

angle measure in the drawing at the right.

Mathematics
1 answer:
Sauron [17]3 years ago
5 0
30°

A strait line is 180°
75°+75°=150°
180°-150°=30°
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Scrat [10]

Answer:

The 95% confidence interval for the true mean cholesterol content, μ, of all such eggs is between 226.01 and 233.99 milligrams.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.96*\frac{17.4}{\sqrt{73}} = 3.99

The lower end of the interval is the sample mean subtracted by M. So it is 230 - 3.99 = 226.01

The upper end of the interval is the sample mean added to M. So it is 230 + 3.99 = 233.99.

The 95% confidence interval for the true mean cholesterol content, μ, of all such eggs is between 226.01 and 233.99 milligrams.

4 0
3 years ago
Hey smart math people help me please
Ymorist [56]

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3 years ago
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According to the In context, the phrase "This from her" (lines 47-48) helps to suggest that a <u>certain decision is out of character</u>

The correct option is C.

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<h3>How do comprehension passages work?</h3>

Reading comprehension questions have a high chance of being scored. A passage is presented to us, along with some questions. Even if the information in the passage deviates from actual facts, the questions must be answered using it.

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The definition of comprehension refers to your capacity for understanding something or to the degree to which you actually comprehend something. Your level of understanding of a challenging math problem is an illustration of comprehension.

To know more about comprehension visit:

brainly.com/question/14814430

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The 5th grade classes at Brookfield School used 5 identical buses to go on a field trip.
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64 dollars. 55.25 divided by .87=63.5, round to nearest dollar and you get 64 dollars
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