Assuming biological substances are 98% water, estimate the masses of a cell with a diameter of 1.5 micrometer, a human kidney, an a fly. take a kidney to be roughly a sphere with a radius of 3.5 cm and a fly to be roughly a cylinder 4.0 mm long and 2.7 mm in diameter. (type your answer using one of the following formats,
1.2 e-3 for 0.0012 and 1.20e+2 for 120).

x=3

step-by-step explanation:

this is really simple i saw that there was only one term (5x) and thought if that was 15 what would i have to multiply everything else to get it there? well if 5x became 15 then x would have to be 3 so plug the 3 in the x for the other equations and you get 15 for the other ones. so there you go. : )

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answer; microeconomics;