Answer:
-2?
Step-by-step explanation:
Multiply -1 by -4 to get 4
subtract 20 from 12 to get -8
simplify to get -2
Answer:
d. We are 95% sure that between 52% and 68% of all adults in this city will root for North High School.
Step-by-step explanation:
A confidence interval of a proportion p% at the x% level with m% margin of error means that:
We are x% sure that the true mean of the population is in the interval from (p-x)% to (p+x)%.
So the correct answer is:
d. We are 95% sure that between 52% and 68% of all adults in this city will root for North High School.
When the metronome was created out of a piece of solid wood, the minimum amount of solid wood that was used from the pyramid will be C. 540 centimeters cubed.
<h3>How to calculate the pyramid?</h3>
From the information given, the metronome ticks at adjustable intervals to help keep time when playing music.
In rhis case, when the metronome was created out of a piece of solid wood, the minimum amount of solid wood that was used from the pyramid will be:
= 20 × 9 × ✓9
= 20 × 9 × 3
= 540
Learn more about pyramid on:
brainly.com/question/218706
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Answer: 6k+19
Step-by-step explanation:
To combine like terms subtract the k term from the 7k term.
7k-k+19 = 6k+19
