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Stella [2.4K]
2 years ago
9

Which comparison is not correct? -8<1-41 1-21 <1-91 1-7]>-9 |81 > 1-91

Mathematics
1 answer:
Savatey [412]2 years ago
6 0

Answer:

I'm pretty sure it is C

Step-by-step explanation:

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 If 2.5 pounds of a  certain grain cost $1.75, how much will 5.3 pounds of the grain cost? a. $4.79 b. $4.38 c. $3.62 d. $3.71  
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3 years ago
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Given: △EDN∼△LKI, DQ , KO are altitudes, DN=12, KI=4, DQ=KO+6. Find: QN and OI.
fgiga [73]

Answer:

  • QN = 3√7
  • OI = √7

Step-by-step explanation:

The ratio of corresponding sides DN and KI is 12 : 4 = 3 : 1. The same ratio applies to altitudes DQ and KO. Since the difference between these altitudes is 6 and the difference between their ratio units is 3-1 = 2, each ratio unit must stand for 6/2 = 3 units of linear measure. That is, ...

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  KO = (3 units)·1 = 3 units

Then the base lengths QN and OI can be found from the Pythagorean theorem:

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8 0
3 years ago
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