Answer:
Accept the null hypothesis
Step-by-step explanation:
It leads to the conclusion to accept the null hypothesis.
The upper value corresponds to 1 – 0.025, or 0.975, which gives a z‐value of 1.96. The null hypothesis of no difference will be rejected if the computed z statistic falls outside the range of –1.96 to 1.96.
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Answer:
Step-by-step explanation:
Twice the sum of a number of 11 is -38
2( number +11) = -38
number +11 = -38/2
number = -19 -11
number = - 30
x=31/14
Step-by-step explanation:
I did the second one btw
Answer: {(5,0), (3,4)}
Step-by-step explanation:
You can apply the Substitution method:
- Solve for y from the second equation.
- Substitute into the first equation and solve for x.
Then:
(Remember that: )
Substitute the values obtained into one of the original equation and solve for y:
The solution set is: {(5,0), (3,4)}
Answer:
D) Hydrogen and Oxygen
Step-by-step explanation: