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Brums [2.3K]
3 years ago
11

Need this geometry answer

Mathematics
1 answer:
marta [7]3 years ago
5 0
See its a straight line and the angle of straight line is 180

so according to this

7x+x-4 = 180
8x = 184
x= 23

therefore angle DBC 23-4 = 19

SO 19 IS THE ANSWER
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The radius and circumference of several objects were measured.
Over [174]

A statement which best describes the strength of the correlation, and the causation between the variables is that: D. it is a strong positive correlation, and it is likely causal.

<h3>What is a positive correlation?</h3>

A positive correlation can be defined as a terminology that is used to described a scenario (situation) in which two variables move in the same direction and are in tandem.

This ultimately implies that, a positive correlation exist when two variables have a linear relationship or are in direct proportion. Hence, when one variable increases, the other increases as well, and vice-versa.

By critically observing the scatter plot (see attachment) which models the data in the given table, we can infer and logically deduce that the value on the y-axis (circumference) increases as the value on the x-axis (radius) increases, so this is a strong positive correlation.

Also, we know that there exist a direct relationship between the circumference of a circle and its radius, so this relationship is most likely causal.

In conclusion, a statement which best describes the strength of the correlation, and the causation between the variables is that it's a strong positive correlation, and it is likely causal.

Read more on positive correlation here: brainly.com/question/10644261

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3 0
2 years ago
Solve each system of equations without graphing.
OlgaM077 [116]

Answer:

t=11/6

u=1/9

Step-by-step explanation:

3 0
3 years ago
Slope intercept from two points<br> (3,-8) and (6,-4)
sukhopar [10]

Answer:

(3,4)

Step-by-step explanation:

(6-3)(-4(--)+3)

5 0
4 years ago
(25 PNTS!!) The area of a rectangle is 63 square meters. If the length of the rectangle is 2 m longer than its width, find the d
chubhunter [2.5K]

Answer:

w = 7m

l =9 m

Step-by-step explanation:

Let w = width

l = w+2

A = l*w

63 = (w+2) * w

63 = w^2 +2w

Subtract 63 from each side

0 = w^2 +2w - 63

Factor

What 2 numbers multiply to -63 and add to 2

9*-7 = -63

9-7 = 2

0 = (w +9) ( w-7)

Using the zero product property

w+9 =0     w-7 =0

w = -9        w = 7

Since we cannot have a negative length

w=7

l =w+2 =7+2 = 9

4 0
3 years ago
Find x.<br> Do not round your answer.<br> 12 cm<br> 6 cm<br> No links
ololo11 [35]

Answer:

679.6

Step-by-step explanation:

8 0
3 years ago
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