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Katyanochek1 [597]
3 years ago
12

Dr. Jimenez found that after applying an antibiotic to bacteria, he observed only 90% of the bacteria left in the culture dish e

ach hour. If the initial bacteria count was 100, what was the bacteria count after 5 hours? Round to the nearest whole number.
There were
bacteria after 5 hours.
Mathematics
2 answers:
Digiron [165]3 years ago
3 0
Alright, so we do 100*(0.9)^5 due to that you do 0.9 5 times. This equals to approximately 59
Minchanka [31]3 years ago
3 0

Answer: 59

Step-by-step explanation:

only 59 goes in the little box and you'll get it right good luck

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The Williams family has a monthly net income of $36,000. They budget 18% for household expenses and 5% for savings. What amount
GalinKa [24]

Answer:

$6480 for household and $1800 for savings

Step-by-step explanation:

36000(0.18) = h.e (household expenses)

= $6480

36000(0.05) = savings

= $1800

7 0
3 years ago
Read 2 more answers
Emmanuel added two integers Which condition will always give Emmanuel a negative solution when he adds two integers? Both intege
alexgriva [62]

Both integers have negative values

Explanation

Let

x and y represents the number

so, the options are

\begin{gathered} +\text{   +     +} \\ +\text{  +      -} \\ -\text{     +     +} \\ -\text{   +-} \end{gathered}

a) Both integers have negative values Both integers

-x-y=-(x+y)\rightarrow you\text{ will always get a negative number}

b) Both integers have positive values

x+y=+\text{  +  += you will always get a positive number}

c)One integer has a positive value, and one integer has a negative value

\begin{gathered} -x+y\text{  or x-y} \\ the\text{ sign of the result depends on the greates absolute value, it means the answer will have the same of the bigger number( absolute value)} \end{gathered}

d)The values of the two integers are opposites​

as the point C , the sign depends on the bigger number

for example

\begin{gathered} 8-5=3\text{ positive because 8 is the bigger} \\ 5-8=-3\text{ negative because (-8) is has the bigger absolute value} \end{gathered}

so, the answer is Both integers have negative values

I hope this helps you

3 0
2 years ago
Forty five children attend a preschool. The number of two year olds is one half of the number of three year old's. The number of
Maurinko [17]

To put this into an equation, we can make x the amount of two year old's there are.

x+2x+2x=45

5x=45

x=9

9 two year old's, 18 three year old's, and 18 four year old's.

5 0
3 years ago
Jada paints a circular table that has a diameter of 44 inches. What is the area of the table? Round to the nearest whole number!
Elza [17]

Answer: 1521

Step-by-step explanation: use the equation pi times radius square. Your radius is always going to be half your diameter so you'll use 22 instead. Then plug that I'm and you should get 1520.53 rounded would be 1521.

5 0
3 years ago
Read 2 more answers
Which angle is congruent to line 5
bagirrra123 [75]

Answer:

1

Step-by-step explanation:

It is vertical from each other, 1 and 5.

8 0
3 years ago
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