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VLD [36.1K]
3 years ago
5

Does the following table show a proportional relationship between the variables , g and h?

Mathematics
1 answer:
solong [7]3 years ago
6 0

g is 3 when h is 9; g is 6 when h is 36; g is 9 when h is 81.

I see a correlation of h being g^{2}. So I would say yes.

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How many quarts of soil are used to fill 2 flower pots?<br> Each pot holds 3 2/5
nikklg [1K]

Answer:

6.8

Step-by-step explanation:

If each pot holds 3 2/5 quarts each and there are two then you add them together to see how much is needed

8 0
2 years ago
Suppose the mean GPA of all students graduating from a particular university in 1975 was 2.40. The registrar plans to look at re
ycow [4]

Answer:

Correct option:

(B) <em>H₀</em>: <em>μ</em> = 2.40 vs. <em>Hₐ</em>: <em>μ</em> ≠ 2.40.

Step-by-step explanation:

The registrar of particular university in 1975 plans to look at records of students graduating last year to see if the mean GPA has changed from 2.40.

The registrar can use a single mean test to determine whether the mean has changed or not.

The hypothesis can be described as:

<em>H₀</em>: The mean GPA is 2.40, i.e. <em>μ</em> = 2.40.

<em>Hₐ</em>: The mean GPA is different from 2.40, i.e. <em>μ</em> ≠ 2.40.

To perform the test the registrar can either use a <em>z</em>-distribution or a <em>t</em>-distribution.

If the data provided gives some insight about the population standard deviation and the sample selected is quite large then the <em>z</em>-distribution can be used.

Otherwise it is wiser to use a <em>t</em>-distribution.

The decision rule is:

If the <em>p</em>-value of the test is less than the significance level then the null hypothesis will be rejected and vice-versa.

Thus, the correct option is (B).

6 0
3 years ago
10| x – 4| - 3 &gt; 47​
Andrew [12]

Answer:

x < -1    or    x > 9

Step-by-step explanation:

10|x-4|-3>47

Add 3 to both sides.

10|x-4|-3+3>47+3

Simplify.

10|x-4|>50

Divide both sides by 10.

\frac{10|x-4|}{10} >\frac{50}{10}

Simplify.

|x-4|>5

Apply absolute value rule: If |u|>a,a>0 then u < -a or u>a

x-4 or x-4 >5

x-4

Add 4 to both sides.

x-4+4

Simplify.

x

x-4>5

Add 4 to both sides.

x-4+4>5+4

Simplify.

x>9

Combine the intervals.

x or x>9

8 0
3 years ago
In a bag of 12 marbles, there is 6 blue and 6 red. Paul randomly selects 4 blue marbles and marbles and does not put them back o
Blababa [14]
4/12 times 2/8=8/96(simplify 8/96)
7 0
3 years ago
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