I'm going to give brianlyest if u answer all of them
2 answers:
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Answer:
Step-by-step explanation:
Let the salted package be represented with 1 and the unsalted, 2.
So:
Mean of salted package
Mean of unsalted package
Considering the given options, the null hypothesis is that which contains =.
So, the null hypothesis is:
The opposite of = is . So, the alternate hypothesis, is that which contains
So, the alternate hypothesis is:
Answer:
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Answer:
D) x² -x - 10 =0
Step-by-step explanation:
Given that
L.C.M
⇒
⇒ 9 x + 54 = 9 x² - 36
⇒ 9 x² - 36 - 9x - 54 =0
⇒ 9 x² - 9x - 90 =0
⇒ 9(x² -x - 10 ) =0
⇒ x² -x - 10 =0