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Elanso [62]
3 years ago
10

a culture of bacteria doubles ever hour. If the colony contained 25 bacteria at noon, how many bacteria will the culture contain

at 4:00pm?
Mathematics
2 answers:
Nastasia [14]3 years ago
8 0

Answer:

B

Step-by-step explanation:

Mariulka [41]3 years ago
3 0
I’m pretty sure it’s 400 correct me if I’m wrong
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Is the answer 200? Or 4.5??? Or is none ? I don't know it's confusing :/ can I get help :/
skelet666 [1.2K]
Let x = the number of penguins we are finding

x ÷ 100 × 30 = 15
x = 15 ÷ 30 × 100
x = 50

hope this helps and have a great day :)


6 0
2 years ago
Read 2 more answers
Which is the correct answer? A , B , C , or D?
NeX [460]

Answer:

A

Step-by-step explanation:

f(x) - g(x)

= x² - 8 - (4 - x) ← distribute parenthesis by - 1

= x² - 8 - 4 + x ← collect like terms

= x² + x - 12 → A

4 0
3 years ago
The lengths of three sides of a triangle are given. Classify each triangle as acute, right, or obtuse. 6,9,7
katrin2010 [14]
Answer : acute
Right triangle : a^2+b^2=c^2
Acute triangle : a^2+b^2 > c^2
Obtuse triangle:a^2+b^2 < c^2
6^2+7^2 > 9^2
7 0
3 years ago
Help! explanation pls!!
My name is Ann [436]

Answer:

they are equat by alternet angle

3 0
3 years ago
Twice a number is twenty-eight
Alla [95]
Let, the number = n
It would be: 2n = 28
n = 28/2
n = 14

In short, Your Answer would be 14

Hope this helps!
4 0
3 years ago
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