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Softa [21]
3 years ago
10

Based on the construction below which statement must be true?

Mathematics
1 answer:
Rufina [12.5K]3 years ago
3 0
B. because it's the same angle and everything
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Answer this please screenshot 1 is to help answer screenshot 2. What doess 100 mean and 1/2 mean
GalinKa [24]

Answer:

1/2 = 0.5 / 1/2 of 100 is 50

Step-by-step explanation:

I am not sure what you are trying to say here but I will tell you what I know:

1/2 is equal to 0.5

So 50 x 1/2 = 25  
And 50 x 0.5 = 25

So 100 x 0.5 = 50

4 0
2 years ago
Suppose that you need to create a list of n values that have a specific known mean. Some of the n values can be freely selected.
Leno4ka [110]

As the problem indicates, degrees of freedom are the number of values ​​that can be independently selected before it is necessary to choose specific values ​​to arrive at the desired result.

The average, on the other hand, results from the sum of a list of values ​​divided by the amount of values ​​in the summed list.

Assume that the mean sought is x and consider that the list is composed of a single element a, in that case no random number can be selected, since the mean x must correspond to that number.

If the list were composed of two elements a and b, one of the two values ​​could be chosen randomly, and according to the chosen value the second should be the one whose sum with the previous one results in 2x, this given that the formula of the average \sum\limits_{i=1}^n \frac{ x_{i}}{n}.

With three values ​​a, b and c, it is possible to select two freely, since the thirteen must be the one that balances the sum of a+b, that is (a + b) + c = 3x.

Thus, in general, with n values, it is possible to select n-1 values ​​freely whose sum must be balanced by the last value so that the whole sum is nx.

Answer

In a list of \bf{n} values ​​you can assign \bf{n-1} values ​​freely, that is, you have n-1<em>degrees of freedom.</em>

6 0
3 years ago
A sample of bacteria is growing at an hourly rate of 14% according to the exponential growth function. The sample began with 7 b
tatiyna

Answer:

125

Step-by-step explanation:

x(t) = x0 × (1 + r) t

where:

x(t) = the amount of some quantity at time t

x0 = initial amount at time t = 22

r = the growth rate

t = time

3 0
3 years ago
the length of the rectangle is 2 less than 3 times the width. The perimeter is 12. Find the length and the width.
In-s [12.5K]

width=2
length= 4

explanation in the attached picture
5 0
2 years ago
Anyone know the right answer? I need to finish this before tomorrow
neonofarm [45]
A) 6.50 or 6.5
b) 0.26
3 0
3 years ago
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