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lapo4ka [179]
2 years ago
10

What number must be added to the expression below to complete the square? X^2-7x

Mathematics
1 answer:
Yuki888 [10]2 years ago
3 0

Answer:

49/4

Step-by-step explanation:

x² -7x +(7/2)²=(x-7/2)²

x²-2x·7/2+ (7/2)²=(x²-7/2)²

(7/2)²=49/4

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Step-by-step explanation:

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h being height (in this example, 5)

So now, with substitution, we are left with:

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3 years ago
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5. When choosing a movie to watch on Netflix, 45% of them are comedies, 30%
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To learn more about probability, please check: brainly.com/question/26321175

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What shape is generated when ABC is rotated around the vertical line through B and C ?
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Step-by-step explanation:

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