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White raven [17]
3 years ago
10

How do i solve this? (1/3x-11)^(1/2)=5

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
5 0
Square both sides to get
(1/3x-11)=25
1/3x-11=25 then solve

why? because ^(1/2) means "take the square root". We need to "undo", or find the inverse so we square both sides.
photoshop1234 [79]3 years ago
4 0
(\frac{1}{3} x-11)^{ \frac{1}{2} }=5\\ ((\frac{1}{3} x-11)^{ \frac{1}{2} })^{2}=(5)^{2}\\ \frac{1}{3} x-11=25\\ \frac{1}{3} x=36\\x=108
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85 degrees

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3x-5+6y-9+10x
telo118 [61]
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terms- 4
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3 years ago
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Professor wonders whether a student's homework average (X) could be used to predict their final grade in the course (Y) . She ca
Anna11 [10]

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The dependent variable is the final grade in the course and is the vriable of interest on this case.

H0: \beta_1 = 0

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Step-by-step explanation:

On this case w ehave the following linear model:

Y= 21.839 +0.724 X

Where Y represent the final grade in the course and X the student's homework average. For this linear model the slope is given by \beta_1 = 0.724 and the intercept is \beta_0 = 21.839

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Based on the material taught in this course, which of the following is the most appropriate alternative hypothesis to use for resolving this question?

Since we conduct a regression the hypothesis of interest are:

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And if we reject the null hypothesis we can conclude that we have a significant relationship between the two variables analyzed.

3 0
3 years ago
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It will be as 14/12* 1 hour

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=1.167

=1.17 hour

Hence the time taken by the blade of 12 inches wide will be 1 hour and 17 minutes.

7 0
2 years ago
Read 2 more answers
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