Answer:The first choice
Step-by-step explanation:As you can see all other question have 1 before 1 over 9 which 1 over nine is about 0.1111...
The first one. 1 machine= x 5 mach.=5x. Total time is thus 5x+2/3=1 3/4h. Simply find x by doing 105min-40min/5 and that is 13.
Answer:
The height at time of 12.1 seconds is approximately 729.2562 feet
Step-by-step explanation:
The general form of the quadratic regression equation is y = A + Bx + Cx²
The quadratic regression formula is given as follows;








Solving using an online quadratic regression calculator, gives;
A = 2.5643259
B = 246.6374865
C = -15.41986006
Substituting gives;
y = 2.5643259 + 246.6374865·x -15.41986006·x²
When time, x = 12.1, we have;
y = 2.5643259 + 246.6374865×12.1 -15.41986006×12.1²≈ 729.2562 feet
The height at time of 12.1 seconds ≈ 729.2562 feet.
Nota: am folosit Google Translate așa că sper sensul nu se pierde în traducere<span>
Sunt presupunând că t, g, și c sunt constante
</span>simplifica
f(x)=cg²t²x²
amintiți-vă că derivitive de af (x), în cazul în care a este o constantă este un lucru ori mai mare decât derivitve lui f (x)
f(x)=cg²t²(x²)
<span>Amintiti-va: derivitive lui

este

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<span>
</span>
<span>f'(x)=cg²t²(2x¹)
f'(x)=cg²t²(2x)
f'(x)=2cg²t²x</span>
The answer should be E. 223- 6s = 0