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3 years ago

12

Bacteria can multiply at an alarming rate when each bacteria splits into two new cells, thus doubling. If we start with only one

bacteria which can double every hour, how many bacteria will we have by the end of the day?

1 answer:

vekshin13 years ago

8 0

16777216 if they double every hour

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Can someone help me with this pls

astraxan [27]

Answer:

3 the rest of his classmate

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2 years ago

The exact vaule of cos(247.5 degrees)

Leni [432]

$cos(247.5 deg)=cos( \frac{495deg}{2})
 = - \sqrt{ \frac{1+cos(495deg)}{2} } 
 = -\sqrt{ \frac{1- \frac{ \sqrt{2} }{2} }{2} } 
 = \frac{ \sqrt{2- \sqrt{2} } }{2}$

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3 years ago

Maria started the year with $235 in the bank and is saving $15 a week. Sergio started with $685 and is spending $35 a week. When

inessss [21]

Answer:

9 weeks

Step-by-step explanation:

let the time when they will both have the same amount be x

since Maria is saving then her money is bound to increase

therefore amount she will have after x weeks=235+15x

Sergio is spending so his money is reducing

therefore amount he will have after x weeks=

685-35x

so

235+15x=685-35x

685-235=15x+35x

450=50x

x= 450/50

9weeks

5 0

1 year ago

Janelle saved up $265, then she bought a sweater for d dollars. How much money does Janelle have left?

Amiraneli [1.4K]

Answer:265-d

Step-by-step explanation:

If she had 265 and used dozen it's 265 less d

3 0

2 years ago

What expression can be used to find 7(6 1/8)

9966 [12]

Answer:

42 7/8

Step-by-step explanation:

7(6 1/8)

~Turn the 7 into a fraction and the other fraction into an improper one

7/1 * 49/8

~Multiply

343/8

~Simplify

42 7/8

3 0

2 years ago