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sertanlavr [38]
2 years ago
6

Harriet is cultivating a strain of bacteria in a petri dish. Currently, she has 103 bacteria in the dish. The bacteria divide ev

ery two hours such that the number of bacteria has doubled by the end of every second hour. How many bacteria will Harriet have in the dish at the end of 6 hours?
A.
1024
B.
103 6
C.
203
D.
103 8
Mathematics
1 answer:
kodGreya [7K]2 years ago
7 0
C. 203 is the answer
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Can somone help me with number 23 and 24
tangare [24]

23.

store price = 14 + 0.5(14)

store price = 21

customer price = 21 + 0.08(21)

customer price = 21 + 1.68

customer price = $22.68

24.

formula: A = P(1 + rt)

A = 140(1 + (0.03)(2))

A = 140(1.06)

A = 148.40

interest = 148.40 = 140

interest = $8.40

Hope this helps!! :)

7 0
3 years ago
Read 2 more answers
2 women and 7 girls can do a peice of work in 4 days.4 women and 4 girls can do the same work in 3 days. How long would it take
svetlana [45]

Answer:

x: work a woman can do in 1 day

y: work a girl can do in 1  day

Then

2x + 7y =1/4

4x + 4y =1/3

4x + 14y =2/4 (1)

4x + 4y  =1/3 (2)

=> Let (1) - (2), 10y =2/4-1/3 <=>10y = 1/6 <=> y = 1/(6x10) = 1/60 (work)

=> From (2),4x = 1/3 - 4x1/60 => 4x = 16/60 => x = 4/60 (work)

=> 1 day, a woman and a girl can do: 1/60+4/60 = 5/60 =1/12 (work)

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3 0
3 years ago
HELP immediately please!!! ❤️❤️❤️
natima [27]
No no no no no no non no
7 0
2 years ago
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String a is 35 centimeters long.string b is 5 times as long as string a .both are necessary to create a decorative bottle .find
yulyashka [42]
First you convert centimeters to meters which will be 35 centimeters-> 0.35 meters

Once you have that, you multiply String A's length (0.35 m) by 5 to find String B's length which will be 1.75 meters.

Now that you have the two lengths you multiply each by 17.
 
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Now you just add 29.75 and 5.95 and you get your answer which is
 
35.7 meters 
4 0
2 years ago
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An artist agrees to paint a landscape painting at 0.30 per square inch. if the painting is 13 inches by 17 inches, how much shou
Yuri [45]
We know that
[area of the painting]=13 in* 17 in-----> 221 in²

if a<span>n artist  painting at
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x$--------------> 221 in²
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the answer is
$66.30
8 0
3 years ago
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