the modle train is 1 inch to 13.5 feet. one of the cars of the modle train is 5 inches long

the modle train is 1 inch to 13.5 feet. one of the cars of the modle train is 5 inches long

A culture of bacteria originally numbers 250. after 3 hours there are 900 bacteria present. assuming exponential growth how long will it take until 10,000 bacteria are present?

a substance has a half-life of 50 years if 300 kilograms are present initially how much will remain after 15 years?

The area of a rectangle is 34.572 in 2 . The height of the rectangle is 4.3 inches, what is the length of the base of the rectangle?

I', really stuck on this one HW question: I have to show how dC/dt = (D * (d^2C/dx^2)) + P at steady state (so when cD/dt =0) equals: (d^2C/dz^2) + (Pa^2/D...

A. 75 miles B. 225 miles C. 300 miles D. 400 miles

it's math questions, just need to be solved.

need help putting in sentence

A rectangle with an area of 240^2 has a length 10 inches shorter than 5 times it's width. Which expression could be used to solve for the length of the rectangle?

ex+2ey=3 x+y=0 and ex+ey=e-2 xy=-15 pls haaaalp !

1,3,7,13,21

How far apart are they when they stop walking? show work

To the nearest mile, how many miles would be saved by traveling directly from New York to Buffalo? Show work please

show work please

The ^ supposed to indicate up . I trying to figure out solution set and decimal

-5/6 ___ -0.1

Find the accumulated value of an investment for 5 years at and interest rate of 5.5% if the money is A) compounded semiannual B) compounded monthly C) compounded continuously &n...

A. 1.59 x 102 B. -1.59 x 102 C. 4.37x 10 D. -4.37 x 102

the combined land area of the countries A sand B is 190,973 square kilometers. Country A is larger by 373 square kilometers. Determine the land area of each country.

(x+8)2 ___________

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