After special medicine is introduced into a peril dish full of bacteria, the number of bacteria remaining in the dish decreases rapidly. The relationship between the elapsed time t, in seconds, and the number of bacteria, N(t), in the Petri dish is modeled by the following function:
N(t)=50,000•(0.5) t/4.3

The Petri dish loses %50 of bacteria every ____ seconds

Answer: 2/3

Step-by-step explanation: since there are 3 colors black red and white black and red make 2 while white is just one so your probablity of choosing white is 2/3.

Answer:

50

Step-by-step explanation:

Answer:

About 43%.

Step-by-step explanation:

Well... 195/450 = x/100

100 times 195 = 450x

19500 = 450x

19500/450 = 450x/450

= 43.3% ( the 3 after the decimal point is repeated, but I rounded to the nearest percent).

I hope this helps.

Answer:

the answer is 66.6%

Step-by-step explanation:

the 6 keeps going but imma just make it 66.6

Answer:The particles in a solid are tightly packed and locked in place. Although we cannot see it or feel it, the particles are moving = vibrating in place.

Answer:

the movement of particles within a solid is normally slower, do to the particles being tighter together than the other classifications.

Answer:

b.12.25

Step-by-step explanation:

You just simply divide 220.50 by 18 and you will end up with the rate per hour.

Answer: ADE

Step-by-step explanation:

Answer:

Taylor will earn $7.50 more than Victoria

Step-by-step explanation:

9(5)= 45

10.5(5)= 52.5

52.5-45= 7.5

Answer:

x>-2

Step-by-step explanation:

Answer:

1st side=44 cm, 2nd side= 55cm

Step-by-step explanation:

let a = '4x' , b = '5x'

h= 12cm

Area of trapezium=1/2*(a+b)h

area=594=1/2*9x*12

594*2/12=9x

594/6=9x

99=9x

99/9=11=x

therefore, 4x=4*11=44cm

             &5x=5*11=55cm

Answer: C=2

I know it seems difficult but it’s not as bad as it looks.

Step-by-step explanation:

First you add 7 to both sides of the equation as shown:

3c-7+7=-c+1+7

Then you simplify giving you the equation 3c=-c+8

Then you add C to both sides of the equation: 3c+c=-c+8+c

Then you combine like terms giving you the equation of 4c=8

After that you divide both numbers by 4 giving you the fraction of 8/4 otherwise know as 2. Hope this helps, best of luck.

Answer:

The best and the most correct answer among the choices provided by the question is the third choice. The table that best represents direct variation is:

Input x 3 4 5

Output y 9 16 25

Answer:

ITS C

the 3 one

Step-by-step explanation:

Answer: The Speed of The Ball (I think....)

Answer:

(in a statistical test) the hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Step-by-step explanation:

Answer:

22.5oz and 0.22$

Step-by-step explanation:

Answer:

-5

Step-by-step explanation:

Nothing cancels out so all you have to do is add the two numbers but keep the sum negative to get -5

Example:(?)

Jeff had -1 points on brainly. He lost 4 more points. How many points does he have now?

Answer. -5

Step-by-step explanation:

-1+-4. so here we multiple the signs(+×-)= -. that's why I came up with the answer -5 and when multipling signs please be kin enough to multiple. so here the multiplication of the signs (+×+)=+, (-×-)=+ please

Answer:

just need points sry

Step-by-step explanation:

Answer:

39°

Step-by-step explanation:

Angle ABD and angle CBD are complementary angles which means they complete each other to 90°

so if CBD is 51 then ABD is 90 - 51 = 39°

Answer:

C. 5x - 54 = 3x + 16

Step-by-step explanation:

These angles are alternate interior angles and their measurement is same

5x - 54 = 3x + 16

5x - 3x = 16 + 54

2x = 70 divide both sides by 2

x = 35

Answer:

The answer would be B

Step-by-step explanation:

When you are tryinf to find the slope you have to subtract from both sides and devide the number.

Answer:

Slope of equation is: m= -5/9

Option A is correct.

Step-by-step explanation:

We are given the equation: 125x+225y=6000

We need to find the slope of the equation. The slope can be found if we arrange the equation in slope-intercept form i.e y=mx+b where m is slope.

So, rewriting given equation in slope intercept form:

[tex]125x+225y=6000\\225y=-125x+6000\\\frac{225y}{225} =\frac{-125}{225}x+ \frac{6000}{225}\\y= \frac{-5}{9}x+ \frac{80}{3}[/tex]

Now comparing the equation with slope-intercept form i.e y=mx+b we get the value of slope i.e m= -5/9

So, Slope of equation is: m= -5/9

Option A is correct.

Answer:

681 students

Step-by-step explanation:

hope this helps

Answer:

There are a total of 681 students.

Step-by-step explanation:

Answer:

Step-by-step explanation:

Cost of one fish = 6.45 ÷ 5 = 1.29

Cost of 8 fish= 1.29 x 8 = 10.32

Answer:

$10.32 is the cost of 8 golddfish

Step-by-step explanation:

First, we'll find the cost for one goldfish and then we can multiply by 8 to find the cost of 8 goldfish.

so we divide by 5, then times by 8

6.45/5 = 1.29

1.29 * 8 = 10.32

Answer:

{-π/2, π/2}

Step-by-step explanation:

Rewrite this as:

7sin^2 x - 14sin x + 7 = 0.  Reduce this result by dividing all terms by 7:

sin^2 x - 2sin x + 1

Temporarily replace "sin x" with y:

y^2 - 2y + 1 = 0

Solve this through factoring:  (y - 1)^2 = 0, or y - 1 = ± 0, or y = ±1

Recalling that y = sin x, we write

sin x = ±1, whose solutions are sin x = 1 and sin x = -1

The solution of sin x = 1 is π/2 and that of sin x = -1 is -π/2

and so the solution set is {-π/2, π/2}

Answer:

b

Step-by-step explanation:

add 29 27 24 18 and 29 then divide by 5

Answer:

x = 40 , y = 70

Step-by-step explanation:

y = 70°

x° = 180° - 2 × 70° = 40°

Answer:

25%

Step-by-step explanation:

Answer = difference/Originalx100

Answer=15/60=0.25x100=25%

Answer:

Step-by-step explanation:

Answer:

A.) Yes. The input and output are both possible.

Step-by-step explanation:

In this problem, a dentist sees patients each day to clean their teeth. So we represent this function as g(x) where:

x: Represents the number of people who saw the dentist.

g(x): Represents the number of teeth cleaned.

So we are given a point that is solution to our function, but what does this point represent? This tells us that the dentist saw 20 patients and cleaned 20 teeth. For example, a volunteer dentist can see more people than a common dentist and it is likely that that volunteer person sees fewer teeth. However, it's very difficult that that dentist finds 20 people with an only tooth each. So this situation is possible, but not realistic in the real world.

Answer:

Yes. The input and output are both possible.

In this problem, a dentist sees patients each day to clean their teeth. So we represent this function as g(x) where:

x: Represents the number of people who saw the dentist.

g(x): Represents the number of teeth cleaned.

So we are given a point that is solution to our function, which is  but what does this point represent? This tells us that the dentist saw 20 patients and cleaned 20 teeth, that is, he cleaned an only teeth per patient. So this will make sense under the conditions that make it possible, for example, a volunteer dentist can see more people than a common dentist and it is likely that that volunteer person sees fewer teeth. However, it's very difficult that that dentist finds 20 people with an only tooth each. So this situation is possible, but not realistic in the real world.

Step-by-step explanation: