Answer:
The two solutions can be
![1st \: solution \\ x \: = - 5 \\ and \: \\ y\: = \: - 3](https://tex.z-dn.net/?f=1st%20%5C%3A%20solution%20%5C%5C%20x%20%5C%3A%20%20%3D%20%20-%205%20%5C%5C%20and%20%5C%3A%20%5C%5C%20y%5C%3A%20%20%3D%20%20%5C%3A%20%20-%203)
![2nd \: solution \\ x = 0 \\ and \\ y = 0](https://tex.z-dn.net/?f=2nd%20%5C%3A%20%20solution%20%20%5C%5C%20%3C%2Fp%3E%3Cp%3Ex%20%3D%200%20%5C%5C%20%3C%2Fp%3E%3Cp%3Eand%20%5C%5C%20%3C%2Fp%3E%3Cp%3Ey%20%3D%200)
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a. it would be 105° because the 75° and this angle make a linear pair which adds up to 180°.
b. this is 105° because the two angles are alternate interior which are congruent
c. this is 75°, it is given.
Margin of error = +/- Z*SD/sqrt (n)
Where, Z = 1.96 at 95% confidence interval, SD =standard deviation = 589 dollars, n= sample size (to be calculated)
For the values given;
132= 1.96*589/Sqrt (n) => Sqrt (n) = 1.96*589/132 = 8.7458 => n= 8.7458^2 = 76.49
Rounding up to near a person, n (sample size)= 77 students
Answer:
m = -2.5
b = 5
Step-by-step explanation:
y = mx + b
Answer: C
Step-by-step explanation:
the equation for X is
use proportion to solve
2 + x = 16
x = 14
(14,y)
The equation for Y is
use proportion to solve
-1 + y = 6
y = 7
(14,7)
now use the distance formula
(14,7) (2,-1)
which gets you 14.4 or C