The number of sides is the same as the number of lines of symmetry and the order of rotational symmetry.

So, a regular decagon would have 10 lines of symmetry.

6 0

3 years ago

Read 2 more answers

Marge correctly guessed whether a fair coin turned up "heads" or "tails" on six consecutive flips. What is the probability that

daser333 [38]

There is a 50% chance

4 0

3 years ago

Read 2 more answers

Order the numbers from least to greatest. 9/5. -2.5, -1.1. -4/5, 0.8

spayn [35]

-2.5, -1.1, -4/5,0.8,9/5

7 0

3 years ago

Read 2 more answers

One of the roots of the equation x²-5x +q=0 is 2. Find the other root and the value of the coefficient q.

yuradex [85]

Answer:

Other root: $x=3$

$q=6$

Step-by-step explanation:

If $x=2$ , then $x-2=0$ .

Therefore:

$x^2-5x+q=0$

$2^2-5(2)+q=0$

$4-10+q=0$

$-6+q=0$

$q=6$

This means that the other root is $x=3$ since $(x-2)(x-3)=x^2-5x+6$

5 0

2 years ago