Answer:
The time the ball will hit the ground is 1.4 seconds
Step-by-step explanation:
Answer:
(-3, 1), 5
Step-by-step explanation:
x² + y² + 6x - 2y - 15 = 0
Rearrange:
x² + 6x + y² - 2y = 15
Complete the square:
x² + 6x + 9 + y² - 2y + 1 = 15 + 9 + 1
(x + 3)² + (y - 1)² = 25
Therefore, the center is (-3, 1) and the radius is 5.
Permutation
45 choices for first slot
44 for 2nd
43 for 3rd
answer is 45*44*43=85140 number of 3 person teams
In multiplication, a negative times a positive has a negative answer. if both are positive or both are negative, the answer is positive.
5 * -5 = -25
-5* -5 = 25
in divisions say you have
-5/5 = -1
-5/-5= 1
5/-5= -1
in addition and subtraction, subtracting a negative means to add the two numbers. adding a negative means to subtract the second number.
5+ (-5) = 0
5- (-5) = 10
Make a common denominator, which could be 10. so, to make the first numbers denominator equal, you multiply it by 2. Then you also have to multiply the top number by 2. So, 3/5 = 6/10, which is less than 7/10
