1. If you knew that DE = $\frac{1}{2}$ CB
Then you would know it is a mid-segment.

2. If you knew that CD = DA and BE = EA (point D and point E are midpoints of their respective segments)

3 0

3 years ago

Winnie has 7 soccer trophies she wants to arrange in an array. How many different arrays are possible?

notka56 [123]

Answer:

5040 possible arrangements

Step-by-step explanation:

Given

$Trophies = 7$

Required

Possible arrangements

The 1st can be placed in any 7 positions

The 2nd, in 6 positions

-----

Up till the last in 1 position

So, the number of arrangements is:

$Arrangements = 7 * 6 * 5 * 4 * 3 * 2 * 1$

$Arrangements = 5040\ ways$

7 0

3 years ago

What is the equation of the line with a slope of -1/2 that passes through the point (6,-6)?

m_a_m_a [10]

$y=mx+b \\ \\
\hbox{the slope } m=-\frac{1}{2} \\ \\
y=-\frac{1}{2}x+b \\
(x,y)=(6,-6) \\
-6=-\frac{1}{2} \times 6+b \\
-6=-3+b \ \ \ |+3 \\
b=-3
\\ \\
\boxed{y=-\frac{1}{2}x-3}$

7 0

3 years ago

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