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sesenic [268]
3 years ago
9

A biologist is studying a bacteria population that initially contains 10^3 bacteria. In the lab, the population doubles every we

ek. The expression 10^3×2^w models the population of the bacteria after w weeks. How many bacteria will be present in 3 weeks? CK12
Mathematics
1 answer:
iragen [17]3 years ago
4 0

Answer: 8000

Step-by-step explanation:

From the question, we are informed that the expression 10³ × 2^w models the population of the bacteria after w weeks.

The number of bacteria that will be present in 3 weeks will then be:

= 10³ × 2^w

= 10³ × 2³

= 1000 × 8

= 8000 bacterias

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Ms. Ponse drove 200 miles in 4 hours. At that rate how long will it take Ms. Ponse to drive 340 miles?
skelet666 [1.2K]

Answer:

6.8 hours.

Step-by-step explanation:

200/4 = 50

340/50 = 6.8

3 0
3 years ago
How do you solve #-\frac { a } { 8.06} + 7.02= 18.4#?
givi [52]
I see you're probably trying to use a math editor to present this problem.  Unfortunately, I'm unsure how to decipher your "-\frac {a }{8.06)."  What fraction are you speaking of?

Given "<span>#-\frac { a } { 8.06} + 7.02= 18.4#," all I can say with certainty is that you could legitimately subtract 7.02 from both sides:

</span><span>#-\frac { a } { 8.06} + 7.02= 18.4#
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5 0
4 years ago
Imogen buys some sandwiches costing £3.50.
dezoksy [38]
£0.7
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5 0
2 years ago
Hello! I really need help on these two questions please!
krek1111 [17]

Answer:

For question #9: y=\frac{1}{3}x+3

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Step-by-step explanation:

Brainliest please!

7 0
3 years ago
Read 2 more answers
PLZ HELP!
Natasha2012 [34]

Answer:

4 times greater

Step-by-step explanation:

Prism A

SA = 2 (lw+wh+lh)  where l is length w is width and h is height

SA = 2 ( 5*6+ 6*7+ 5*7)

SA = 2(30+42+35)

SA = 2(107)

SA =214

Prism B

SA = 2 (lw+wh+lh)  where l is length w is width and h is height

SA = 2 ( 10*12+ 12*14+ 10*14)

SA = 2(120+168+140)

SA = 2(428)

SA =856

Robert is not correct

856/214 =4

Prism B is 4 times greater

7 0
3 years ago
Read 2 more answers
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