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svp [43]
3 years ago
8

Marie is in a book club. The book club reads one book per month. Each book costs $17.50. If the book club spent $119.99 in three

months, how many people are in the book club?
Mathematics
1 answer:
Bingel [31]3 years ago
3 0
There are 2 people
(unless they share books xD)

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The length of a rectangular garden is 5 times its width.
Delvig [45]

Answer:

  • 10 m and 50 m

Step-by-step explanation:

<h3>Given</h3>
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Area formula

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What is the length of AB?<br> O A. 9<br> O B. 18<br> O C. 48<br> D. 6
insens350 [35]
<h3>Answer:  A.  9</h3>

=====================================================

Explanation:

Draw in the segments AO and OC.

Triangle ABO is congruent to triangle CBO. We can prove this through the use of the HL theorem. HL stands for hypotenuse leg.

Since the triangles are congruent, this means the corresponding pieces AB and BC are the same length.

Then we can say:

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AB+AB = AC .... plug in BC = AB

2*AB = AC

2*AB = 18

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AB = 9

In short, the chord AC is bisected by the perpendicular radius drawn in the diagram. So all we do is cut AC = 18 in half to get AB = 9.

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