Why I got 1/5d -x
But I don’t is that did a right way.
X= 9.2
From the figure, the chord (12) is drawn with a line (from the center of the circle) perpendicular to it. It can be said that the chord 12 is bisected by the 7 long line from the center which gives us with 6 each of the two parts of the chord. Since they are forming (the 6 and 7) a right angled triangle, we can then use Pythagorean theorem to find X, which can be seen as the radius at the same time hypotenuse of the right angled triangle.
Answer:
C: One rational root
Step-by-step explanation:
disc. > 0 means two real roots
disc. = 0 means one repeated root
disc. < 0 means two irrational roots
Answer:
-15,2
Step-by-step explanation:
3.8 (5,-9)
Calculate the difference
3.8 (-4)
Multiply the numbers
3.8 x (-4)
-15,2
I hope this helps
Answer:
Given that to investigate whether there is a significant difference between two regions of a state in the percent of voters who intend to vote for the incumbent governor in the next election, a polling agency interviewed 300 randomly selected voters from the north of the state and 400 randomly selected voters from the south of the state, and of those interviewed, 200 from the north and 325 from the south indicated they intended to vote for the incumbent governor in the next election, to determine the most appropriate method for analyzing the results must be taken into account that there is a differentiation in the economic, political, social and ideological characteristics between voters from the North and those from the South, with which both cases must be analyzed separately:
Thus, of the 300 voters from the north, 200 indicated that they would vote for the incumbent governor, while of the 400 voters from the south, 325 said the same.
In this way, the percentages of affirmation of each place are the following:
200/300 = 0.66 = 66% of northern voters said they would vote for incumbent governor.
325/400 = 0.8125 = 81% of southern voters said they would vote for incumbent governor