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katrin2010 [14]
3 years ago
8

PLZ HELP! FACTOR THEN SOLVE x2+17x+16=0

Mathematics
2 answers:
Luda [366]3 years ago
6 0
So most likely what this equation would end up being would be 2x + 17x added together t make 19x + 16 = 0 

Hpe I helped =)

Marina86 [1]3 years ago
3 0
X2+17x+16=0
(x+1)(x+16)=0
x+1=0   x+16=0
x=-1, x=-16
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Answer:

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Step-by-step explanation:

This problem can be solved by a simpe rule of three problem.

a) On rainy days, she runs 1.2 + 0.5 = 1.7 miles.

The problem states that for rainy days, she runs 7.5 miles per hour. We know that in a hour, Izzy will run 7.5 miles. We want to know how long it takes for her to run 1.7 miles. So

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x = \frac{1.7}{7.5}

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So, we apply the pythagorean theorem.

x^{2} = (1.2)^{2} + (0.5)^{2}

x^{2} = 1.44 + 0.25

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So, Izzy runs 1.30 miles on dry days.

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x = \frac{1.3}{7.5}

x = 0.173 hours

So, it takes Izzy 0.173 hours = 10.4 minutes = 10 minutes 24 seconds to run through the woods.

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