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Vadim26 [7]
3 years ago
11

A bike road race starts at an elevation of 920 feet and passes through 5 stages where the elevation changes by -559 feet, -100 f

eet, -441 feet, 175 feet, and -139 feet. At what elevation does the race end?
A.-2334 FT
B.1615 FT
D.None FT
E. -144 FT
Mathematics
1 answer:
Alenkasestr [34]3 years ago
7 0
920 +(-559) +(-100) +(-441) +(175) +(-139)
=-144

The answer is E
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Answer:

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Angle 5 =  144°

Step-by-step explanation:

We need to find the measures of the interior  angles in a pentagon if the measure  of each consecutive angle is in the  ratio 9:6:10:8:12.

Let x be the common ratio

So, we can write:

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We know that the <em>sum of all angles of pentagon = 540</em>

So, adding all angles and equal them to 540, we can find value of x

9x+6x+10x+8x+12x=540\\45x=540\\x=\frac{540}{45}\\x=12

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Angle 1 = 9x = 9(12) = 108°

Angle 2 = 6x = 6(12) = 72°

Angle 3 = 10x = 10(12) = 120°

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3 years ago
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umka2103 [35]

Answer:

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