√145 cm
Step-by-step explanation:
By Pythagoras property
Hypotenuse² = base²+perpendicular ²
(AC)² +(BC)² =(AB)²
9² + 8² = (AB)²
81+64 = (AB)²
145 =(AB)²
AB =√145
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Answer: - 1/7 Or -0.142857repeating
Step-by-step explanation:
I believe it’s 7y^4 but I may be wrong
Answer:
1/5
Step-by-step explanation:
There are 30 contestants. 16 are men, which means 14 are women.
All 14 women wear glasses. Since 20 of the contestants wear glasses, that means there are 6 men who wear glasses.
So the probability that a randomly selected contestant will be a male with glasses is 6/30 or 1/5.
The error is that
Instead, it should be 4⁴ - 4³ = 256 - 64 = 192.