What is the domain of the graph below?
2 answers:
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Answer:
(12,33)
Step-by-step explanation:
This system can be solved using the substitution method. This is where you replace one variable by another.
Step 1:
Plug in for the y
Step 2:
Combine like terms
Step 3:
Subtract 21 from both sides
Step 4:
Divide both sides by 3
Step 5:
Use the first equation and plug in 12 for x
Step 6:
Proof of work
Answer:
P-value = 0.009997
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 24
Nature of test: One-tailed test(Left tailed test)
We have to calculate the p-value.
Degree of freedom = n - 1 = 23
We calculate the p-value from the table corresponding to t score -2.50 and degree of freedom 23.
P-value = 0.009997
0.009997 is the probability of a value being to the left of a number that has a student-t statistic of –2.50.
Step-by-step explanation:
I've shown the process in the picture.
hope u understand
