7)
(-3p³+12p+2) - ( 6p³-13p+6)
-3p³+12p+2 - 6p³+13p-6
-9p³+15p-4
A. -9p³+15p-4
8)
Diametro = 10cm el radio es la mitad del diametro entonces radio = 5 cm:
Ahora solo reemplazasmos:
V = [tex]pi[/tex](5)²(20)
V = [tex]pi[/tex](25)(20)
V = 500[tex]pi[/tex] cm³
B. 500[tex]pi[/tex] cm³
9)
(4x-2)+2(7x-9)
4x-2+14x-18
18x-20
A. 18x-20
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7)
(-3p³+12p+2) - ( 6p³-13p+6)
-3p³+12p+2 - 6p³+13p-6
-9p³+15p-4
A. -9p³+15p-4
8)
Diametro = 10cm el radio es la mitad del diametro entonces radio = 5 cm:
Ahora solo reemplazasmos:
V = [tex]pi[/tex](5)²(20)
V = [tex]pi[/tex](25)(20)
V = 500[tex]pi[/tex] cm³
B. 500[tex]pi[/tex] cm³
9)
(4x-2)+2(7x-9)
4x-2+14x-18
18x-20
A. 18x-20