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Brrunno [24]
4 years ago
13

Next

Mathematics
1 answer:
fomenos4 years ago
5 0

Answer:

C. slope = 0.5, length = 1.6 units

Step-by-step explanation:

See the diagram attached.

D is the midpoint of AB and E is the midpoint of AC.

Therefore, DE will be parallel to BC.

Hence, Slope of BC =Slope of DE =0.5. (Answer)

Now, ΔADE and ΔABC are congruent.

{Since BC║DE, then ∠ADE =∠ABC and ∠AED =∠ACB and ∠A is common.}

So, \frac{AD}{AB} =\frac{AE}{AC}=\frac{DE}{BC} =\frac{1}{2}

Therefore, DE = \frac{BC}{2} = \frac{3.2}{2} = 1.6 units. (Answer)

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3 0
4 years ago
How does f(x)=9^x change over the interval from x=8 to x=10
Vsevolod [243]

Answer:

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3 years ago
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