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PolarNik [594]
3 years ago
6

A culture started with 2000 bacteria after 3 hours it grew to 2,400 bacteria. Predict how many bacteria will be present after 18

hours. Round your answers to the nearest whole number.
Answer:5,972
Mathematics
2 answers:
Lemur [1.5K]3 years ago
8 0
5,972
is your answer that it
mina [271]3 years ago
8 0
If you do the math:

2000 starting bacteria and after three hours it became 2400,
then do 2400 * 18
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On the day that a certain celebrity proposes marriage, 101010 people know about it. Each day afterward, the number of people who
AnnyKZ [126]

Answer:

n(t) = 101010(3^t)

Step-by-step explanation:

The initial number of people who knew about it is;

n(0) = 101010

The number of people who will have known in a day's time;

n(1) = 101010(3)

The number of people who will have known in 2 day's time;

n(2) = 101010(3)(3) = 101010(3^2)

The number of people who will have known in 3 day's time;

n(3) = 101010(3)(3)(3) = 101010(3^3)

Therefore, the total number n(t) of people who know about the celebrity proposing t days after the celebrity proposes becomes;

n(t) = 101010(3^t)

7 0
4 years ago
Read 2 more answers
The sales tax rate is 15%. How much will Anna expect to pay for a bunch of bananas that cost $5.26?(Bananas $5.26 plus tax) $6.0
MAXImum [283]

Answer:

A is the correct option

Anna will expect to pay $6.05

Explanation:

Given that Anna is expected to pay $5.26 plus additional 15% of $5.26 on tax, the amount she pays in total is:

$5.26 + (15% of $5.26)

= $5.26 + (0.15)($5.26)

= $5.26 + $0.789

= $6.049

This is approximately $6.05

6 0
1 year ago
The length of the base of a rectangular prism is 9
Tatiana [17]

Answer:

The volume of the prism is <u>320 15/16 inches³</u>.

Step-by-step explanation:

Given:

The length of the base of a rectangular prism is 9 7/8.

The width of the prism is 8 1/8.

And the height is 4 inches.

Now, to find the volume of the prism.

(Length) <em> l = 9 7/8 = 79/8 inches.</em>

(Width)  <em> w = 8 1/8 = 65/8 inches</em>.

(Height)  <em>h = 4 inches</em>.

So, by putting the formula to get the volume:

Volume = w×h×l.

Volume=\frac{65}{8}\times 4\times \frac{79}{8}

Volume=320\frac{15}{16}

<em>Volume = 320 15/16 inches³.</em>

Therefore, the volume of the prism is 320 15/16 inches³.

7 0
4 years ago
If 5+ 20 -22-3х - 10.2-2x+5, what is the value of х?
Elodia [21]

Answer:

<h2>3</h2>

Step-by-step explanation:

5+20\cdot2^{2-3x}=10\cdot2^{-2x}+5\qquad\text{subtract 5 from both sides}\\\\20\cdot2^{2-3x}=10\cdot2^{-2x}\qquad\text{divide both sides by 10}\\\\2\cdot2^{2-3x}=2^{-2x}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\2^{1+2-3x}=2^{-2x}\\\\2^{3-3x}=2^{-2x}\iff3-3x=-2x\qquad\text{subteact 3 from both sides}\\\\-3x=-2x-3\qquad\tex\qquad\text{add}\ 2x\ \text{to both sides}\\\\-x=-3\qquad\text{change the signs}\\\\x=3

8 0
3 years ago
285,624 rounded to the nearest ten thousand
mixas84 [53]
290,000

4 ones place
2 tens place
6 hundreds place
5 thousandths place
8 ten thousandths place
2 hundred thousandths place

When the number after the number you want to round (we want to round the 8, the number after 8 is 5) is 5, 6, 7, 8, or 9 we round up, otherwise, we stay the same

5 is in the list so we round 8 up to 9.

290,000
3 0
4 years ago
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