Jared needs 2.4 micrograms of vitamin B-12 each day. Today, Jared drank a serving of milk containing 0.44 micrograms of B-12 and ate a lamb chop containing 1.224 micrograms of B-12, which method can Jared use to find the number of micrograms of vitamin B-12 he still needs? Subtract 1.224 -0.44 = 1.18, then subtract 2.4-1.18. Subtract 1.224 -0.44 = 0.784, then subtract 2.4 -0,784. Subtract 2,4 -0.44 = 2.356, then subtract 2.356 - 1.224. Subtract 2.4-0.44 = 1.96, then subtract 1.96 - 1.224.

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

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step-by-step explanation:

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7.9m and 4.3°

step-by-step explanation:

let east be +x and north be +y, x = distance * cos θ, y = distance * sin θ  

for 3.5 south, y = -3.5  

for 8.2, x = 8.2 * cos 30 and y = 8.2 * sin 30  

for 15 west, x = -15  

total x = 8.2 * cos 30 – 15 ≈ -7.9  

total y = -3.5 + 8.2 * sin 30 = 0.6  

magnitude = [(8.2 * cos 30 – 15)^2 + 0.6^2)]^0.5  

the magnitude is approximately 7.9 m  

tan θ = y/x = 0.6/-7.9  

the angle is approximately 4.3˚ north of west