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irina1246 [14]
1 year ago
6

A culture started with 1,000 bacteria. After 4

Mathematics
2 answers:
amid [387]1 year ago
7 0

i realized my answer is wrong.

sammy [17]1 year ago
6 0

Answer:

1331 bacteria

Step-by-step explanation:

Number bact =  1000 e^kt

   1100            =  1000 e^k4

        shows k = .023827545

Now for 12 hours

    x = 1000 e^(.023827545 * 12)

         = 1331

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the ratios of girls to boys in a student basketball league is 5:6. juan says that there must be exactly 11 students in the leagu
Alex787 [66]

Answer:

False

Step-by-step explanation:

girls : boys : total

5       : 6      :11

Multiply each term by 2

10:      12     :22

Ratio of girls to boys

10:12

Divide by 2

5:6

The ratio of girls to boys is still 5:6  but the total students is 22

8 0
3 years ago
Read 2 more answers
The bank offers two kinds of checking accounts. Account A charges a fee of $.20 for each check that is written and has no monthl
Leya [2.2K]
Account A.....with 250 checks
0.20(250) = 50

Account B...with 250 checks
0.10(250) + 1.50 = 25 + 1.50 = 26.50

so by using Account B, u r saving (50 - 26.50) = 23.50
8 0
3 years ago
Can someone solve this for me please, i really need help
Aleksandr [31]

Answer:

I sorted them by colors: red goes with red, blue with blue, purple with purple and brown with brown :))

Step-by-step explanation:

5 0
3 years ago
Producing a musical costs $88,000 plus $5900 per performance. one sold out performance earns $7500 in revenue. If every performa
yan [13]
X = # of perfomances

y = total amount of money

Income: y = 7500x

Expense: y = 5900x + 88000



Substitution:

7500x = 5900x + 88000

1600x = 88000

x = 55

y = 7500(55) = $412,500

55 performances are needed to break-even.
5 0
3 years ago
Fraction 4 over 5 n = Fraction 2 over 3. n = ___?
Taya2010 [7]

Answer:

Step-by-step explanation:

(4/5)n = (2/3)

move 4/5 to the right

n = (2/3)/(4/5)

n = 5/6

5 0
3 years ago
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