No. you shouldn't change it to addition because that would manke it much more confusing after
Answer:
Step-by-step explanation:
= X ∈ ∅
Answer:
Second option: (-2,-3) and (1,0)
Step-by-step explanation:
Given the system of equations , you can rewrite them in this form:
Simplify:
Factor the quadratic equation. Choose two number whose sum be 1 and whose product be -2. These are: 2 and -1, then:
Substitute each value of "x" into any of the original equation to find the values of "y":
Then, the solutions are:
(-2,-3) and (1,0)
Answer:
The blank is - only chance factors caused the outcome.
Step-by-step explanation:
Null hypothesis significance testing uses the laws of probability to estimate the likelihood of an outcome by first assuming that - only chance factors caused the outcome.
This kind of testing is a statistical testing where an experimental factor is tested against the hypothesis of no effect based on a given observation.
Answer:
The last answer is it I think.
Step-by-step explanation: