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Maurinko [17]
2 years ago
8

A population of bacteria is increasing by 10% cach hour. Find the percentage increase in the population every 3 hours.​

Mathematics
1 answer:
Otrada [13]2 years ago
3 0
In 3 hours, it increases 33.1% .

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Peter threw the football 72 feet. How many yards did he throw the football ?
Darya [45]

1 yard = 3 feet.

Divide total feet by 3 to get yards:

72 feet / 3 = 24 yards.

3 0
3 years ago
How many terms are there in a geometric series if the first term is 4, the common ration is 3 and the sum of the series is 160
Marina CMI [18]
\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=4\\
r=3\\
S_n=160
\end{cases}

\bf 160=4\left( \cfrac{1-3^n}{1-3} \right)\implies 160=4\left( \cfrac{1-3^n}{-2} \right)\implies 160=-2(1-3^n)
\\\\\\
160=2(3^n-1)\implies \cfrac{160}{2}=3^n-1\implies 80=3^n-1
\\\\\\
81=3^n~~
\begin{cases}
81=3\cdot 3\cdot 3\cdot 3\\
\qquad 3^4
\end{cases}\implies 3^4=3^n\implies 4=n
3 0
3 years ago
What would a proper answer be to this question
Musya8 [376]
I cant help you there m8 the I'm not able to see the problem I'm sorry.
5 0
3 years ago
ed is using the recipe shown to make fruit salad he wants to use 30 diced stawberries in his vruit sald how many bananas apples
Leya [2.2K]
We know that 1 serving = 4 bananas 
3 apples
6 pears
and 20 strawberrys
To get 30 we need to half 20 =10    20+10=30

That means we also needs to half the other ones
1/2 of 4 = 2   4+2=6
1/2 of 3 = 1.5 3+ 1.5=4.5
1/2 of 6 = 3  6+3=9

6 Bananas
4.5 Apples
9 Pears
30 strawberries diced.
6 0
3 years ago
Read 2 more answers
A graph titled Marginal Cost of Bikes has the bike number of the x-axis, from 1 to 7, and marginal cost on the y-axis, from 0 to
aleksklad [387]

Answer:

80

20

50

60

Step-by-step explanation:

subtract the total cost form the bike above the bike in question and thats ur answer

4 0
3 years ago
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