the probability is 7/15
Step-by-step explanation:
because there are 7 girls and 8 boys
Answer:
x = - 4
Step-by-step explanation:
Given
- x² - 8x - 16 = 0 ( multiply through by - 1 to clear the leading negative )
x² + 8x + 16 = 0 ← this is a perfect square
(x + 4)² = 0 ( take the square root of both sides )
x + 4 = 0 ( subtract 4 from both sides )
x = - 4
Answer:
.000018484
Step-by-step explanation:
You divide them and that is what your calculator says
Divide 5 by 2 representing each box by the price. Which equals to $2.50 each box.
Answer:
By power of a point, AC⋅CB=DC⋅CE. That is, 12⋅12=6⋅(2R–6).
Then, R=15.