Answer:
the answer is 27 :)
Step-by-step explanation:
<span>Plugging in p = 10 to solve for x:
x^2-50x-600 = (x-60)(x+10) = 0 => x = 60
x^2 - 5xp + 50p^2 = 3100
Differentiate with respect to time,
2xx' - 50x'p - 50xp' + 100pp' = 0
240 - 100(10) - 3000p' + 1000p' = 0
p' = -.38
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Let the score on her seventh test be "x".
SO,
∴ He must get 104% on his seventh test to get an average score of 90%
Answer:
I guess they subtracted a 110 from -110 instead of subtracting from 360
Answer:
4
Step-by-step explanation:
Variable: X = Unknown Number
2x + 4 = x + 8
2x - x = 8 - 4
x = 4
Check:
2(4) + 4 = 4 + 8
8 + 4 = 12
12 = 12
