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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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What is the solution to the equation 1/3 (9x-6)2x=3
jarptica [38.1K]
\frac{1}{3} (9x-6)2x=3 \\ \\ \frac{(9x-6) \times 2x}{3} = 3 \\ \\ \frac{3(3x - 2) \times 2x}{3} = 3 \\ \\ \frac{6x (3x-2)}{3} = 3 \\ \\ 2x(3x-2) = 3 \\ \\ 6x^2 - 4x = 3 \\ \\ 6x^2 - 4x - 3 = 0 \\ \\ x = \frac{4+2 \sqrt{22} }{12} , \frac{2- \sqrt{22} }{12} \\ \\ x = \frac{2+ \sqrt{22} }{6} , \frac{2- \sqrt{22} }{6}
5 0
3 years ago
Which of the following is a radical equation?
frosja888 [35]

Answer:

wher is it

Step-by-step explanation:

5 0
3 years ago
What is the product 2•(-7) A.-9<br> B.-2<br> C.-14<br> D.14
Leno4ka [110]

Answer:

-14 (C)

Step-by-step explanation:

2 x -7 would be -14 because 2 x 7 is 14, but since 7 is negative it would be -14/C

6 0
3 years ago
Compare the wins-to-losses ratios for the teams. Team Records Team Wins Losses Cougars 12 10 Bobcats 20 10 Bulldogs 8 5 Tigers 3
UkoKoshka [18]

Answer:

Bobcats

Step-by-step explanation:

The wins-to-losses ratio for the Cougars is 12:10.  This can also be written as 12/10; writing this as a decimal, we would have 1.2.

The wins-to-losses ratio for the Bobcats is 20:10.  This can also be written as 20/10, which is the same as 2.0.

The wins-to-losses ratio for the Bulldogs is 8:5.  This can also be written as 8/5, which is the same as 1.6.

The wins-to-losses ratio for the Tigers is 3:5.  This can also be written as 3/5,l which is the same as 0.6.

The largest of these decimals is 2.0; this means the Bobcats have the greatest ratio of wins to losses.

4 0
3 years ago
Read 2 more answers
If someone could help it would be greatly appreciated.
Alisiya [41]

Answer:

a) line segment

b) point

c) line

Step-by-step explanation:

A line segment is made up of 2 points.

No matter where the lines intersect (doesn't have to be perpendicular), it forms a point.

A line is straight, hence the 3 collinear points.

3 0
3 years ago
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