Sometimes systems of equations with different slopes and different y-intercepts have more than one solution. This is, for the most part true but should be answered sometimes.

4 0

3 years ago

Imagine a regression line that relates y = average systolic blood pressure to x = age. The average blood pressure for people 40

mart [117]

Answer:

2.0

Step-by-step explanation:

x = age

y = average systolic blood pressure

x₁ = 40 years old, y₁ = 110 systolic blood pressure

x₂ = 50 years old, y₂ = 130 systolic blood pressure

$\text{Slope of a line}=m=\frac{y_2-y_1}{x_2-x_1}\\\Rightarrow m= \frac{130-110}{50-40}\\\Rightarrow\frac{20}{10}\\\Rightarrow m= 2.0$

∴ Slope of the regression line is 2.0

4 0

3 years ago

The equation of a line is -6x-2y=-18 What is the x-intercept of the line?

Fed [463]

-6x - 2y = -18

-6x - 2(0) = -18

-6x - 0 = -18

-6x = -18

-6 -6

x = 3

hope this helps :)

8 0

2 years ago

Read 2 more answers

5x=1/2x does it equal 0 ?

lorasvet [3.4K]

Answer:

Yes it does equal zero.

4 0

3 years ago