3 years ago

I need help fast i will give out brinalist

Mathematics

2 answers:

Irina-Kira [14]3 years ago

7 0

D. Tanisha is 6, and Bess is 12

Savatey [412]3 years ago

6 0

D. Tanisha is 6, and Bess is 12.

Evidence :
Tanisha has to be HALF of Bess’s age (Support the answer choice D)
Bess is 6 years older than Tanisha.
(Also supports answer choice D)

The rest of the answer choices wouldn’t make sense, as they might only apply to one part of the evidence I put.

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Find the general solution for the differential equation (dy)/(dx) + 3y = 18 Y=

harkovskaia [24]

Answer:

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Step-by-step explanation:

$\frac{dy}{dx}+3y=18\\\\\mathrm{Substitute\quad }\frac{dy}{dx}\mathrm{\:with\:}y'\:\\\\y'\:+3y=18\\\\Rewrite\\\\\frac{1}{6-y}y'\:=3\\\\Solve \::\frac{1}{6-y}y'\:=3\\\\-In(6-y)=3x+c_1\\\\Isolate\:y\\\\\\y=-e^{-3x-c_1}+6$