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Once an antibiotic is introduced to bacteria, the number of bacteria decreases exponentially. For example, beginning with 1 million bacteria, the amount present $t$ days from the time penicillin is introduced is given by the function $A(t)=1,000,000(2)^{-t / 5}$. Rounding to the nearest thousand, determine how many bacteria are present after a. 2 days b. 1 week c. 2 weeks

Once an antibiotic is introduced to bacteria, the number of bacteria decreases exponentially. For example, beginning with 1 million bacteria, the amount present $t$ days from the time penicillin is introduced is given by the function $A(t)=1,000,000(2)^{-t / 5}$. Rounding to the nearest thousand, determine how many bacteria are present after a. 2 days b. 1 week c. 2 weeks

Beginning and Intermediate Algebra

Exponential and Logarithmic Functions…

Exponential Functions

Questions asked

ANSWERED

Shu Naito verified

Numerade educator

Q15D. Use the transition diagram to express the stochastic matrix corresponding to the states and transitions represented in this system. Question 1 options: A B 0.4 0.6 A 0.2 0.8 B A B 0.6 0.8 A 0.4 0.2 B A B 0.8 0.2 A 0.6 0.4 B A B 0.8 0.4 A 0.2 0.6 B A B 0.8 0.6 A 0.2 0.4 B

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ANSWERED

Sanchit Jain verified

Numerade educator

Q15D. Use the transition diagram to express the stochastic matrix corresponding to the states and transitions represented in this system.

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ANSWERED

Hoan Nguyen verified

Numerade educator

A = [ 5 -5 -3; 4 -2 6; -4 3 7 ] B = [ 6 -5 -4; 5 -6 -5 ]

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ANSWERED

Hoan Nguyen verified

Numerade educator

A = egin{bmatrix} 2 & 1 \ 4 & -2 end{bmatrix} \ B = egin{bmatrix} 4 & -1 \ 5 & -3 end{bmatrix}

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ANSWERED

Hoan Nguyen verified

Numerade educator

( egin{array}{l}A=left[egin{array}{cccc}8 & 4 & -3 & 3 \ 7 & -4 & 5 & 10 \ 9 & 10 & 7 & -2end{array} ight] \ B=left[egin{array}{cccc}4 & 7 & -7 & 2 \ -5 & 4 & 9 & 7 \ 10 & 7 & 4 & 6end{array} ight]end{array} )

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Hoan Nguyen verified

Numerade educator

( egin{array}{l}A=left[egin{array}{cccc}8 & 4 & -3 & 3 \ -12 & -5 & 3 & 11 \ 9 & 11 & 7 & -2end{array} ight] \ B=left[egin{array}{cccc}4 & -12 & -7 & 2 \ -3 & 5 & 9 & -11 \ 11 & -12 & 5 & 6end{array} ight]end{array} )

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Eduard Sanchez verified

Numerade educator

( left[egin{array}{cc}12 & -8 \ -1 & 5end{array} ight]+left[egin{array}{cc}-12 & 2 \ * * & -5end{array} ight]=left[egin{array}{cc}0 & -6 \ -12 & 0end{array} ight] )

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ANSWERED

Hoan Nguyen verified

Numerade educator

( B=left[egin{array}{ll}2 & -5 \ 2 & -6end{array} ight] ) ( -frac{5}{2} ) 1 ( B ) has no inverse ( frac{5}{2} ) ( -1 ) ( -3 ) 3

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Eduard Sanchez verified

Numerade educator

( egin{array}{l}{left[egin{array}{cc|c}2 & 5 & 3 \ 2 & -6 & 1end{array} ight]} \ 2 x_{1}+5 x_{2}=3 \ 2 mathrm{x}_{1}-6 mathrm{x}_{2}=1 \ 2 x_{1}-5 x_{2}=3 \ 2 x_{1}-6 x_{2}=1 \ 2 x_{1}-5 x_{2}=-3 \ 2 x_{1}-6 x_{2}=-1 \ 2 x_{1}+5 x_{2}=3 \ 2 x_{1}+6 x_{2}=1 \ 2 x_{1}-5 x_{2}=3 \ 2 x_{1}+6 x_{2}=1 \ 2 x_{1}-5 x_{2}=3 \ 2 x_{1}-6 x_{2}=-1 \end{array} )

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ANSWERED

Hoan Nguyen verified

Numerade educator

( left[egin{array}{ccc|c}1 & 0 & 1 & 12 \ 0 & 18 & 0 & 4 \ 3 & 0 & 12 & 18end{array} ight] )

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