Condense the logarithm on the right side:
So,
and 
, which makes (4) the correct choice.
1. Collect like terms
20t^2 + (-70 + 300)
2. Simplify
20t^2 + 230
Answer:
66) P = 38m
67) P = 32.7m
Step-by-step explanation:
Perimeter of triangle
P = a + b + c
P = 8 + 16 + 14
P = 38m
Perimeter of trapezoid
P = a + b + c + d
P = 6.4 + 13.6 + 6 + 6.7
P = 32.7
Answer:
640x²-380x
Step-by-step explanation:
(4x]+4[(10x-6)(4x)]4x+(40x-24)(16x)
4x+640x²-384x
640x²-384x+4x
640x²-380x
Answer:
p(x) = (x - 5)(x + 5) + 20
Step-by-step explanation:
(x² - 5) ÷ (x - 5) ⇒ we put zero in place of x in the dividend
(x² + 0 - 5) ÷ (x - 5) = x + (5x - 5) ÷ (x - 5)
= (x + 5) + 20 ÷ (x - 5)
The quotient = (x + 5) ⇒ q(x)
The remainder = 20 ⇒ r(x)
The divisor = (x - 5) ⇒ d(x)
∴ p(x) = (x - 5)(x + 5) + 20
