Answer:
D. -(-2/9)
Step-by-step explanation:
Once you distribute the negative sign, it makes the same answer.
-2 times -1 = 2
9 times -1 = -9
2/-9
Answer:
When someone says two points are collinear he means to say that two points are lying on the same line
Suppose a line and take two points A and B on it.
A and B are said to be collinear because they are lying on the same line
Answer:
Angle 3 is 72
Angle 4 is 18
Angle 5 is 90
Angle 6 is 72
Step-by-step explanation:
Sum of straight angle is 180
So 180 = (90+18+x) for angle 3
Answer:
There are 604,800 possible permutations.
Step-by-step explanation:
The order in which the digits are chosen is important, which means that the permutations formula is used to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
In this question:
7 digits from a set of 10(10 digits to 0-9). So
There are 604,800 possible permutations.