1 answer:
Answer:
second option, (u - 12 - 3b)/4
Step-by-step explanation:
isolate the "a" by bring each term to the other side, and finally div by 4
u = 12 + 4a + 3b
u - 12 = 4a + 3b
u - 12 - 3b = 4a
(u - 12 - 3b)/4 = a
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Answer:
$23.32
Step-by-step explanation:
F(x) = 1/4x
subtitute x = -5
f(-5) = 1/4 · (-5) = -5/4 = -1 1/4
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...........Answer
Answer:
25x +23
Step-by-step explanation:
2.5(10x + 8) +3
2.5(10x + 8)
25x + 20
25x + 20 + 3
25x + 23
hope dis helps ^-^
Use the Pythagorean theorem.
a^2 + b^2 = c^2
8^2 + y^2 = 20^2
64 + y^2 = 400
y^2 = 336
y = √336 = 4√21 ≈ 18.33