Substitute a time in for t and simplify one of the expressions to be a single number, what does that number (answer) represent? What units does it have? 30t + 25 -20t + 1000
[time] [tank 1 (liters)] [Tank 2 (liters)]
0 25 1000
5 175 900
10 325 800
15 475 700
20 625 600
25 775 500
30 925 400
35 1075 300
40 1225 200
45 1375 100
50 1525 0

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

: )

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step-by-step explanation:

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