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Goryan [66]
3 years ago
12

1. K is the midpoint of HN. HK = 4x + 5 and HN = 11x – 11. Solve for x and find KN.

Mathematics
1 answer:
galben [10]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

Since K is at the midpoint of HN then HK = KN = 4x + 5, thus

HN = HK + KN ← substitute values

11x - 11 = 4x + 5 + 4x + 5, that is

11x - 11 = 8x + 10 ( subtract 8x from both sides )

3x - 11 = 10 ( add 11 to both sides )

3x = 21 ( divide both sides by 3 )

x = 7

Hence

KN = 4x + 5 = (4 × 7) + 5 = 28 + 5 = 33

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Step-by-step explanation:

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7 0
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F(x) = 4x + 5 what is the value of f(-3)
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Sedaia [141]
The number of people who grow potatoes is 3 times the number that grow sugar beet.
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Solve for x :
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48 + x = 3( x + 12)
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Number of people who does not grow potato or sugar beets = 100 - 48 - 12 - 6 = 34

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Answer: The answers are 6 and 34.
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"6" is inbetween "48" and "12". 
"34" is outside the two circles.
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