Answer:
Step-by-step explanation:
Answer: Third Choice. x= 6 1/3
Step-by-step explanation:
Given
f(x) = 9x² - 54x - 19
Completing the square
3x -19
3x 1
Substitute back to the function
f(x) = (3x-19) (3x+1)
Simplify
x= 6 1/3 or -1/3
Hope this helps!! :)
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Answer:
64 teachers
Step-by-step explanation:
We can use ratios to solve
14 students 896 students
----------------- = -------------
1 teacher x teachers
Using cross products
14 * x = 896*1
Divide each side by 14
14x/14 = 896/14
x =64
Answer:
depends on the equasion!
Step-by-step explanation:
Answer:
$495
Step-by-step explanation:
Money earned for babysitting for 7 hours - $63
Money earned for babysitting for 1hour - 63/7= $9
Money earned for babysitting for 55 Hours =
$9 × 55
= $495
