5x - 14y = 22 ⇒ 5x - 14y = 22
-6x + 7y = 3 ⇒ <u>12x - 14y = -6</u>
<u>-7x</u> = <u>28</u>
-7 -7
x = -4
5x - 14y = 22
5(-4) - 14y = 22
-20 - 14y = 22
<u>+ 20 + 20</u>
<u>-14y</u> = <u>42</u>
-14 -14
y = -3
(x, y) = (-4, -3)
Answer:
If im not wrong i think its 24 units²
Step-by-step explanation:
Alright. -2-(-4) = -2 + 4 because a negative and a negative equals to a positive[(-2-(-4)]. It would look like: Put a dot on -2, then move your dot 4 units to the right, which is +2.
Answer:
4. (d, the last one)
5. (a, the first one)
Step-by-step explanation:
Answer:
The right answer is "0.3193".
Step-by-step explanation:
According to the question,
Mean,
As we know,
The cumulative distributive function will be:
⇒
hence,
In the first 5 years, the probability of failure will be:
⇒