First term = T(1) is obtained by plugging n = 1 into the formula,
thus First term = 1^2 - 4 = 1 - 4
= 3 (answer)
The anwer is 18 m
Because I don't k ow the answwzer ll
Answer:
2400 cm^2
Step-by-step explanation:
The surface area for a cube is just 6* area in one face (As there are 6 faces), so 6*20^2 = 6*20*20 = 2400 cm^2
The answer is 452.16 cubic milimeters
Answer:
-87 (If I'm correct - sorry if I'm not)
Step-by-step explanation:
<u>substitute:</u>
4(3-6) - 3(-5)^2
<u>Parenthesize:</u>
4(-3) - 3(-5)^2
<u>Exponents:</u>
4(-3) - 3(25)
<u>Multiply:</u>
-12 - 75
<u>Subtract:</u>
-12 - 75 = -87
<u>ANSWER::::</u>
<u><em>-87</em></u>