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Studentka2010 [4]
2 years ago
13

Please answer asap.

Mathematics
1 answer:
Alexxandr [17]2 years ago
6 0

Answer:

I believe the answer is B

Step-by-step explanation:

Supplementary means they equal 180°. There for out of the answer choices, the most logical would be b. 65°

115+65=180°

Hope this helps!

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In a completely randomized experimental design involving five treatments, 13 observations were recorded for each of the five tre
WINSTONCH [101]

Answer:

The number of degrees of freedom corresponding to within treatments is (a) 60.

Step-by-step explanation:

The number of treatments involved in the experiment is, <em>k</em> = 5.

Each treatment has 13 observations recorded.

The total number of observations is, 5 × 13 =65

The degrees of freedom for between treatment and within treatment are:

df_{between}=k-1\\df_{within} =N-k\\

Compute the degrees of freedom for within treatment as follows:

df_{within} =N-k\\=65-5\\=60

Thus, the degrees of freedom for within treatment are 60.

3 0
2 years ago
The area of circle z is 64 pi ft^2<br> What is the value of r?
erica [24]
To find area of a circle, one must perform the equation "pi(r)^2" we have all information but the radius which has become inclusive in the question. To draw out the radius, all you gotta do is defuse 64 into its square root-8. The radius is 8.
6 0
3 years ago
Read 2 more answers
If it takes 5 hours to drive 62 miles how fast are you going
VLD [36.1K]

Answer:

12.40mph

Step-by-step explanation:

4 0
1 year ago
the diameter of joseph bicycle wheel is 28 in Find the circumference of the circle to the nearest tenth use 3.14 for \pi
yKpoI14uk [10]

Answer:

The circumference of the circle to the nearest tenth is 87.9

Step-by-step explanation:

In order to find the circumference using the diameter, you multiply the diameter times pi which is 3.14. 28*3.14 equals 87.92 which rounded to the nearest tenth is 87.9.

8 0
3 years ago
M∠P is 10 more than 3 times a number, m∠N is 8 less than 5 times the same number. What is m∠M?
svetoff [14.1K]
∠n = ∠p

p - 3x = 10

5x - n = 8......>  5x - p = 8

by adding the two equations

2x = 18 , x = 9

p = 37

m∠M = 180 - (2*37) = 106°
5 0
3 years ago
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