ruslffdr
25.07.2021 •
Mathematics
Cho tam giác ABC có AC= 5cm, BC=7cm
a Gọi H là hình chiếu của A lên BC và HC=4cm. Tính AH
b Gọi k là hình chiếu của H lên AC. Tính chu vi của tứ giác ABHK
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Ответ:
The correct answer is:
a strong negative correlation
Explanation:
A strong correlation is one that is close to either 1 or -1. -0.93 is very close to -1, so this is a strong correlation.
A negative correlation is one that has a negative r-value. This is a negative r-value, so it is a negative correlation.