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GalinKa [24]
2 years ago
10

Suppose you are interested in testing whether the mean earning of men in California differs significantly from the mean earning

of men in New York. If the number of men from California in the sample is 123 and the number of men from New York in the sample is 88, how many degrees of freedom are there?
Mathematics
1 answer:
notsponge [240]2 years ago
4 0

Answer:

74

Step-by-step explanation:

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Plot the following points to create a rectangle.
Tanya [424]

Answer:

(5, -1)

Step-by-step explanation:

The three coordinates of a triangle are given as:

(5,3), (-5,3), (-5,-1).

To find:

The missing vertex = ?

Solution:

Let us label the vertices:

A (5,3),

B(-5,3),

C(-5,-1).

Let the missing vertex be (x, y).

Let us recall the properties of a rectangle.

The <em>opposite sides</em> of the rectangle are equal and parallel to each other.

Let us consider the side AB, we can see that only x coordinate is changed from A to B.

Let us consider the side BC, we can see that only y coordinate is changed from B to C.

A and B are adjacent vertices.

Similarly the opposite vertices will be C and D.

Same pattern will be followed in CD as that of AB.

x coordinate will be changed by same difference as that of AB.

Change in x coordinate from D to C = -5-x

Change in x coordinate from A to B = -5-5 =-10

Equating them:

-5-x=-10\\\Rightarrow x = 5

Same pattern is followed in BC and AD.

Their change in y coordinate will be same.

-1-3=y-3\\\Rightarrow y =-1

Missing vertex is <em>(5, -1)</em>.

Please refer to the attached image for the rectangle.

3 0
3 years ago
The output is one more than six times the input. Answer in this form y=mx+b
stepladder [879]
Y= 6x + 1.
6x represents six times, and the +1 is “one more.”
3 0
2 years ago
May someone please help I am struggling bad
SVETLANKA909090 [29]

Answer:

5 12 9

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP ME 16 POINTS PLEASE HELP
lorasvet [3.4K]

Answer:

A.

Step-by-step explanation:

6 0
3 years ago
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Use the formula for volume = ℎ to find the<br> volume of the rectangular prism shown.
Sedaia [141]

Answer: 56 / 729

Step-by-step explanation: (4 * 2 * 7) / (9^3)

3 0
2 years ago
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