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Lilit [14]
2 years ago
12

Help please , true or false question

Mathematics
2 answers:
wlad13 [49]2 years ago
5 0

Answer:

true

Step-by-step explanation:

mel-nik [20]2 years ago
5 0
True step by step tru
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there are 21 marbles in a blue jar. the blue jars has 3 times as many marbles as a red jar. let m be the number of marbles in th
jarptica [38.1K]

Answer:

m=7

Step-by-step explanation:

1 blue jar = 21 marbles

1 blue jar = 3 red jars

Therefor

21 marbles= 3 red jars

(Now let m=1 red jar)

21= 3m

(Then sine we have 3m dived both sides by 3 to isolate the m)

21/3= 3m/3

7=m

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3 years ago
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The correct answer should 1.1333
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Write an exponential function to model the situation. A population of 470 animals decreases at an annual rate of 12%.
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\bf \qquad \textit{Amount for Exponential Decay}
\\\\
A=P(1 - r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &470\\
r=rate\to 12\%\to \frac{12}{100}\to &0.12\\
t=\textit{elapsed time}\\
\end{cases}
\\\\\\
A=470(1-0.12)^t\implies A=470(0.88)^t
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 2 days = 54/2 = 27 hours a day
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