Solve these systems using substitution
7) -4x – 4y = 0
y=x - 4
9) 2x -...
Mathematics, 27.03.2020 19:56 lilianamichelle41
Solve these systems using substitution
7) -4x – 4y = 0
y=x - 4
9) 2x - 4y = -2
x + 2y = -5
Answers: 2
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If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca
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