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jasenka [17]
3 years ago
12

Which of the following statements best describes a linear pair

Mathematics
1 answer:
Viktor [21]3 years ago
5 0

Answer:

B) A linear pairs consists of supplementary angles

Step-by-step explanation:

First let's see the definition of linear pair.

The two adjacent angles add up to 180° (supplementary) is called linear pair.

Example:

If ∠A and ∠B said to be linear pair, then they must be adjacent angles and add up to 180 degrees.

∠A + ∠B = 180°

From the definition, we can find the answer.

A) in correct because complementary angles add up to 90 degrees.

B) Correct (A linear pair consists of supplementary angles)

C) In correct because the pair consists of adjacent angles

D) In correct because vertical angles is nothing but 90°

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How to calculate standard deviation given mean and sample size?
ad-work [718]
In addition to mean and sample size you will need the individual scores.

The formula for standard deviation is:

S^2 = E(X-M)^2/N-1

Here's an example: 
Data set: 4,4,3,1
Mean: 3
Sample size: 4

First, put the individual scores one after the other and subtract the mean from it.
4 - 3 = 1
4 - 3 = 1
3 - 3 = 0
1 - 3 = -2

Second, square the answers you got from step 1. 
1^2 = 1
1^2 = 1
0^2 = 0
-2^2 = 4
Third, plug the values from step 2 into the formula. 

S^2 = (1+1+0+4)/(4-1) = 6/3 = 2

Standard deviation = 2
3 0
3 years ago
Why is it not possible to form a right triangle with the lengths 2, 4, and 7? *
puteri [66]

Answer:

No. The sum of 2 and 4 is less than 7.

Step-by-step explanation:

So, first, to create a triangle, the sum of two smallest sides have to be greater than the longest side, which is 2+4 = 6, and 6 is smaller than 7.

So, no, 2, 4, and 7 cannot create a triangle, to be exact a right triangle.

Hope this helps!!

8 0
3 years ago
Read 2 more answers
State if each pair of ratios forms a proportion 12/24 and 3/4
raketka [301]

Answer:

Step-by-step explanation:

12/24 reduces to 1/2, whereas 3/4 does not reduce.  This pair of ratios does not form a proportion.

If both ratios reduced to the same common value, that would represent a proportion.  

4 0
3 years ago
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A crew will arrive in one week and begin filming a city for a movie. The mayor is desperate to clean the city streets before fil
Tatiana [17]

Answer:

I think you would add the numbers then divide by 2

Step-by-step explanation:

8 0
3 years ago
Please help i have no idea what are the excluded values to the equation y = 5 / (x^2 - 7x 10)?
Kryger [21]
Hello,

The excluded values are the roots of the denominator.

x²-7x+10=x²-2x-5x+10=x(x-2)-5(x-2)=(x-2)(x-5)

Roots of the denominator are x=2 and x=5


5 0
3 years ago
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