43.1424 divided by 8.56
2 answers:
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Answer:
a : b = 19 : 7
Step-by-step explanation:
Given
4a - 5b : 5a + 4b = 1 : 3
Expressing in fractional form, that is
=
( cross- multiply )
3(4a - 5b) = 5a + 4b ← distribute left side
12a - 15b = 5a + 4b ( subtract 5a from both sides )
7a - 15b = 4b ( add 15b to both sides )
7a = 19b ( divide both sides by 7 )
a = b ( divide both sides by b )
=
That is a : b = 19 : 7
The question is not complete, so i have attached it.
Answer:
A) Option B: μ ≤ 19,000
B) Option C:
H0: μ ≤ 19,000
Ha: μ > 19,000
C) Option D: The null hypothesis H0: μ ≤ 19,000 is the claim
Step-by-step explanation:
A) From the question, we are told that an amusement park claims that the mean daily attendence at the park is at most 19,000 people.
Now, since it's at most 19000 people, it means that they are either 19000 or less. So the claim is;
μ ≤ 19,000 which is option B
B) Now, the claim is usually the null hypothesis. Thus, the null hypothesis is;
H0: μ ≤ 19,000
While the alternative hypothesis which states the opposite of the claim is;
Ha: μ > 19,000
So, option C is the correct answer
C) The claim is μ ≤ 19,000
Now, this also happens to be the null hypothesis.
Thus, the null hypothesis H0: μ ≤ 19,000 is the claim.
So option D is correct.
