Answer:
A = k² - 5k - 36
Step-by-step explanation:
(k + 4)(k - 9) = k² - 9k + 4k - 36 = k² - 5k - 36
Answer:
2,3
Step-by-step explanation:
They are the closest angles to 4.
9514 1404 393
Answer:
17n+9 feet
Step-by-step explanation:
The perimeter of a rectangle is twice the sum of length and width.
P = 2(L +W)
P = 2((4.5n +9) +(4n -4.5)) = 2(8.5n +4.5)
P = 17n +9
The perimeter of the rectangle is 17n +9 feet.
Answer:
the first one i think or the third
Step-by-step explanation:
Answer:
The value of the test statistic
Step-by-step explanation:
From the question we are told that
The high dropout rate is %
The sample size is
The number of dropouts
The probability of having a dropout in 1000 people
Now setting up Test Hypothesis
Null
Alternative
The Test statistics is mathematically represented as
substituting values