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eduard
3 years ago
15

Find the value of x in the diagram below.

Mathematics
2 answers:
weeeeeb [17]3 years ago
6 0

For this case we have that by definition, a flat angle is the space between an intersection between two lines whose opening measures 180 degrees.

Then, if we look at the figure we have to:

2x + 3x = 180\\5x = 180\\x = \frac {180} {5}\\x = 36

Thus, the angle ABC is 2x = 2 * 36 = 72, less than 90 degrees, so it is an acute angle.

The CBD angle is3x = 3 * 36 = 108, greater than 90 degrees, so it is an obtuse angle.

ANswer:

x = 36

ABC is acute angle

CBD is obtuse angle

melomori [17]3 years ago
4 0

Answer:

x=36

Step-by-step explanation:

Angles on a line add to 180. You can combine 2x and 3x to get you 5x, making the complete unsolved equation 180=5x. If you divide both sides of the equation by 5, you will receive 36.

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7 0
3 years ago
Which pair of expressions is equivalent using the Associative Property of Multiplication? 6(4a ⋅ 2) = 24a ⋅ 12 6(4a ⋅ 2) = (4a ⋅
galben [10]


<span>Associative Property of Multiplication : (ab)c = a(bc)
</span>so
answer is

6(4a ⋅ 2) = (6 ⋅ 4a) ⋅ 2
4 0
4 years ago
Calculating the degrees of freedom, the sample variance, and the estimated standard error for evaluations.
ki77a [65]

Answer:

The variance is  \sigma ^2  =25

Step-by-step explanation:

From the question we are told that

    The sample size is  n =  21

     The sum of squares is SS =  500

Generally the variance is mathematically represented as

           \sigma ^2  = \frac{SS}{n- 1}

substituting values

          \sigma ^2  = \frac{ 500}{21- 1}

          \sigma ^2  =25

   

4 0
3 years ago
what kind of growth model (pattern) is showen in the table x 1, 2, 3, 4, 5 y 5, 25, 125 ,635 ,3,125
Mandarinka [93]

Answer:

x= AP, y= GP

Step-by-step explanation:

x = 1, 2, 3, 4, 5 - difference in terms = 1, this is AP

y = 5, 25, 125, 625, 3125 - the ratio of increase= 5, this is GP

7 0
3 years ago
An arithmetic sequence has this recursive formula:
Marianna [84]

Answer:

Option D is the correct option.

<em>please </em><em>see</em><em> the</em><em> attached</em><em> picture</em><em> for</em><em> full</em><em> solution</em><em>.</em><em>.</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

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5 0
3 years ago
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