Answer:
Amount of B used = 276.6 millimeters
Step-by-step explanation:
A = A millimeters
B = A + 400 millimeters
Hence
Taking an overall balance
(0.16 x A) + (0.2)(A+400) = 476
0.16A + 0.2A + 80 = 476
A = 1100 millimeters
B = 1100 + 400 = 1500 millimeters
Hence using direct proportion
2600 --------------------476
1500 ---------------------X
X = 276.61538
Amount of B used = 276.6 millimeters
Answer:
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Step-by-step explanation:
Answer:
<em>208</em>
Step-by-step explanation:
PEMDAS:
Parenthesis first:
8^2 + 4 (8 - 14)^2
8^2 + 4 (-6)^2
Exponents second:
8^2 + 4 (-6)^2
64 + 4 (36)
Multiply third:
64 + 4 (36)
64 + 144
Add last and solve:
64 + 144 = 208