For > and < the circle is open, for greater than or equal to and less than or equal to the circle is closed
I got 7x+4 because you distribute then add the X's and the whole numbers together.
Answer:
$39
Step-by-step explanation:
60 x 0.39 = 21
60 - 21 = 39
Kayla bought a necklace on sale for $39.
3x + 4y = -12
X - Intercept: 3x + 4y = -12
3x + 4(0) = -12
3x + 0 = -12
3x = -12
3 3
x = -4
(x, y) = (-4, 0)
Y - Intercept: 3x + 4y = 12
3(0) + 4y = 12
0 + 4y = 12
4y = 12
4 4
y = 3
(x, y) = (0, 3)
Answer:
Step-by-step explanation:
It is given that the regression equation
![y = 16.99 + 0.32 x_1 + 0.41 x_2 + 5.31 x_3](https://tex.z-dn.net/?f=y%20%3D%2016.99%20%2B%200.32%20x_1%20%2B%200.41%20x_2%20%2B%205.31%20x_3)
predicts an adult’s height (y) given the individual’s mother’s height (x1), his or her father’s height (x2), and whether the individual is male (x3 = 1) or female (x3 = 0).
The coefficient of x1 = 0.32 represents the increase in height of the child due to one inch increase in mother.
Similarly coefficient of x2 = 0.42 represents the increase in height of the child due to one inch increase in father.
and coefficient of x3 = 5.31 represents the increase in height of the child due to being a male than a female.