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irinina [24]
3 years ago
5

Susan earned $8.25 per hour babysitting last summer. She worked 15 hours a week. How much did she earn in 6 weeks?

Mathematics
1 answer:
irina1246 [14]3 years ago
4 0
15*6=90 hours
90 *8.25=742.50
Your answer would be $742.50. Hope it helps!
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An analysis of the decay of 10 grams of an unstable element over time was completed and is displayed in the computer output.
Lady bird [3.3K]

The equation of the least-squared regression line is: In(Element) = 2.305 - 0.101(Time).

<h3>What is a regression line?</h3>

A regression line displays the connection between scattered data points in any set. It shows the relation between the dependent y variable and independent x variables when there is a linear pattern.

According to the given problem,

From the table we can see,

ln(Element) is the dependent variable and Time is the independent variable.

The constant = 2.305,

Time = -0.101

Hence, we can conclude, our least squared regression line will be

In (Element) = 2.305 - 0.101 (Time).

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A semi-circle window can be used above a doorway or as an accent window
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A semicircle is a part of a circle, and it is referred to as half of a given circle. Thud the area of the <em>semi-circle</em> window is 982 in^{2}.

A circle is a shape that is <u>bounded</u> by a <em>curved</em> path which is referred to as the <em>circumference</em>. Some <u>parts</u> of a circle are radius, diameter, sector, arc, semi-circle, circumference, etc.

A <em>semicircle</em> is a <u>part</u> of a <u>circle</u>, and it is referred to as <em>half </em>of a given <em>circle</em>.

such that:

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area of a <u>semicircle</u> = \frac{\pi r^{2} }{2}

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Thus from the given question, it can be inferred that;

r = \frac{50}{2}

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Thus, the area of the<em> semi-circle</em> can be determined as;

area of the <em>semi-circle</em> = \frac{1}{2} * \frac{22}{7} * 25^{2}

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The area of the <em>semi-circle</em> window is approximately 982 in^{2}.

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