What is an equivalent expression for 8(g+19)
1 answer:
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Answer:
There are 2 ways of righting this:
Method 1: height is 15 feet below ground level
Method 2: height is -15 feet ( a negative value )
Step-by-step explanation:
Drawing a sketch helps in understanding the question:
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Distance of travel is more than height above ground. So it ends up below ground (presume in a cut out).
Distance below ground is
105−90=15 feet
Answer:
Step-by-step explanation:
parabola equation with vertex (0 , 0) and focus length |f| = 7
4*f*(x - h) = (y - k)²
4*7*(x-0)=(y-0)²
28x = y²
Solution
The counselor has 12 electives courses (e.g. art, band, PE, etc.) to choose from and must select 2 ordered classes for each 6th grade student.
Let S be the sample space.
Then, n(S) = 12C2 = (12 x 11) ÷ (2 x 1 ) = 132 ÷ 2 = 66
Sixty six (66) ways can the counselor arrange the last 2 periods of the day for the 6th grade students