3 years ago

In an experiment, every hour 20% of the total number of bacteria die, and those remaining bacteria

Mathematics

1 answer:

Ne4ueva [31]3 years ago

7 0

Answer:

Hi there!

Your answer is;

There are 50 bacteria after 3 hours

Step-by-step explanation:

After three hours, with a rate of 20% an hour, 60% should have died

20% of 125 is?

100% is 125

/100

1% is 1.25

×60

60% is 75

125-75= 50

Hope this helps

You might be interested in

Solve the following inequality in interval notation: -(x+3)-4x<5x-2

Vikki [24]

Answer:

$(-\frac{1}{10} ,$ ∞ $)$

Step-by-step explanation:

$-(x+3)-4x$

$-x-3-4x$

$-5x-3$

$-5x-5x$

$-10x$

x > $-\frac{1}{10}$

6 0

3 years ago

Help help help please

fgiga [73]

Answer:

The answer is 120

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

After 3.5 hours, Peyton had traveled 161 miles. If she travels at a constant speed, how far will she have traveled in 4 hours

Flura [38]

Answer:

1.3 more miles i think

Step-by-step e

3.5 hours equal 210 and i divided it by 163 and thats what came up

4 0

3 years ago

A house is purchased at a selling price of $285,000. The bank requires a 15% down payment. The current mortgage rate is 3.5%. De

Anni [7]

Answer:

$\large \boxed{\$242250}}$

Step-by-step explanation:

$\begin{array}{rcr}\text{Selling price} & = & \$285000 \\-\text{Down payment} & = &-0.15 \times \$285000 =\qquad -42750\\\text{To be financed}& = & \mathbf{\$242250}\\\end{array}\\\text{The amount to be financed is $\large \boxed{\mathbf{\$242250}}$}$

3 0

3 years ago

A $250$250 gaming system is discounted by 25%25%. It was then discounted another 10% because the box was opened by a customer. W

Nadusha1986 [10]

Answer:

$250$250

Step-by-step explanation:

3 0

3 years ago