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Anarel [89]
3 years ago
12

(10 points!!!) AND I’LL GIVE YOU BRAINLIEST IF CORRECT

Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0

Answer:

2%

Step-by-step explanation:

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A government health official is interested in whether there has been a statistically significant decrease in teen smoking rates.
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Answer: B

Step-by-step explanation:

The p-value is greater than the significance level (0.09 > 0.05), so we "fail to reject" H0.

The p-value and significance level are provided from the questions .

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sweet [91]
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3 years ago
The side of a square is 11.2 cm. what is the length of the diagonal
Snowcat [4.5K]
You can work out the diagonal by using Pythagoras theorem. (a^2 = b^2 + c^2)

As it is a square, all 4 sides are the same so it would be:
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3 0
3 years ago
The shorter leg of a right triangle is two less than the hypotenuse. The longer leg is one less than the hypotenuse. Find all th
Marina86 [1]

Answer:

x = 5

Step-by-step explanation:

using the Pythagorean theorem:

(x-1)² + (x-2)² = x²

x²-2x+1 + x²-4x+4 = x²

reduce:

2x²-6x+5 = x²

subtract x² from each side:

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x=1 but because shorter leg would be 0, a triangle would be impossible.

x=5

5 0
2 years ago
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