Answer:
0.0078125
Step-by-step explanation:
If the probability of flipping a fair coin (mentally) correctly for 1 row is 0.5, then the probability of flipping it correctly for 2 rows is
0.5 * 0.5 = 0.25
for 3 rows: 0.5*0.5*0.5 = 0.125
...
For 7 rows:
There's nothing to multiply. However, you can factor it to get (x + 4)(x - 4).
Answer:
3x + 3y
Step-by-step explanation:
The two minus signs make a plus sign. Therefore, we replace the minus signs with a plus sign, getting 3x + 3y.
The slope would be 2. Rise over run remember that.
Answer:
49 pie
Step-by-step explanation:
Area of a circle is pie(radius squared)
radius is half diameter
