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3 years ago

The blue segment below is a diameter of O. What is the length of the radius of the circle?

Mathematics

1 answer:

solong [7]3 years ago

6 0

Answer: A) 2.95 units

Step-by-step explanation:

The diameter of a circle is twice the radius. Thus, simply do 5.9/2 to get that the radius is 2.95 units long.

Hope it helps <3

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Write the equation of the line perpendicular to F(x)=5 that goes through (-1, -3)

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Answer:

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Step-by-step explanation:

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x = a

Since it passes through (-1,-3)

a = -1

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3 years ago

Use Midpoint and Slope Formulas to complete the tables below.1. Find the midpoint of RP, given the coordinates R (5, 8) and P (3

poizon [28]

The midpoint formula for a segment is:

$x_m,y_{_m}=\frac{(x_1+x_2)}{2},\frac{(y_1+y_2)}{2}$

apply to points R and P

$\begin{gathered} x_m,y_m=\frac{(5+3)}{2},\frac{(8+6)}{2} \\ x_m,y_m=\frac{8}{2},\frac{14}{2} \\ x_m,y_m=(4,7) \end{gathered}$

using the definition of slope find the slope of the segment

$m=\frac{y_2-y_1}{x_2-x_1}$

apply to points R and P

$\begin{gathered} m=\frac{8-6}{5-3} \\ m=\frac{2}{2} \\ m=1 \end{gathered}$

to lines are parallel when the slopes are the same

$\mleft\Vert m=1\mright?$

two lines are perpendicular when the product of the slopes is equal to -1

$\begin{gathered} m\cdot\perp m=-1 \\ 1\cdot\perp m=-1 \\ \perp m=-\frac{1}{1} \\ \perp m=-1 \end{gathered}$

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1 year ago