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Veseljchak [2.6K]
3 years ago
11

12 points - (geometry) need the answers to questions 14-16 with work please.

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
5 0
The measure of the interior angle of a regular polygon is 180(n-2)/n for n sides.
14.
135 = 180(n-2)/n.
135n = 180n-360
45n=360
n= 8, 8 sides
15. 166.5n=180n-360
n= 26 sides
16. Since the shape is marked as a parallelogram, the angle at D is 180-angle at A= 180-115=65 degrees.
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Adriana is planning to ride the public bus to and from school this year. She wants to figure out how much it will cost her. The
lutik1710 [3]

Answer:

C is the dependent variable and r is independent

Step-by-step explanation:

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Whereas, the total cost for the bus rides depends on the number of times Adriana rides the bus and the relation is given as, C=1.25r

This is because it costs $1.25 each time she rides the bus in one direction

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vlada-n [284]

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4 0
3 years ago
-6 (X -7) +6 (X +5) = 73
AleksAgata [21]

Answer:

No Solution.

Step-by-step explanation:

-6(x-7)+6(x+5)=73

-6x+42+6x+30=73

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3 years ago
The wildflowers at a national park have been decreasing in numbers. There were 1200 wildflowers in the first year that the park
bonufazy [111]

Year      New flowers

1                 1200

2                 300

3                   75

There were 1200 wildflowers in the first year that the park started tracking them. Since then, there have been one fourth as many new flowers each year

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So first term is 1200 and common ratio is \frac{1}{4}.

Its a geometric sequence so summation becomes

i =1∑ ∞ 1200(\frac{1}{4})^{i-1}

Now we find the sum

We use sum formula

Sum = \frac{a}{1-r}

Where a is the first term , a= 1200

r is the common ratio , r= 1/4

Sum = \frac{1200}{1-(\frac{1}{4})}

Sum = \frac{1200}{\frac{3}{4}}

Sum = 1600 wildflowers

4 0
3 years ago
The graph of f(x) = |x-h| + k contains the blunts (-6,-2) and (0,-2). The graph has a vertex at (h,-5). Describe how to find the
GuDViN [60]

Answer:

1

Step-by-step explanation:

8 0
3 years ago
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