Answer:
1145
Step-by-step explanation:
830(2) 28/13
^ do that ok??????? plug it in!!!!!!!!
then do u know what u will get? u will get this !!!!!! y = 1145.09631989
round 2 da whole numba and den boom shakalaka B ) i got my question wrong so that i could put the right answer here. bye yall
The number of bacteria doubling every 28 hours will be 1145 after 13 hours.
What is the formula for exponential growth and exponential decaying function?The formula for exponential growth is y = y₀.e^(kt).
The formula for exponential decay is y = y₀.e^(-kt).
In the case of doubling the growth of bacteria, we can use the formula,
[tex]y_f = y_0\times2^{\frac{t_r}{t}[/tex], where [tex]y_f[/tex] represents the final population, [tex]y_0[/tex] is the initial population, [tex]t_r[/tex] is the time we are required to determine, and [tex]t[/tex] represents the time rate growth.
Therefore from the given information, the number of bacteria after 13 hours will be,
[tex]y_f = 830\times2^{\frac{13}{28}[/tex].
[tex]y_f = 830\times1.38[/tex].
[tex]y_f = 1144.86[/tex] or 1145 bacterias.
Q. In a lab experiment, 830 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 28 hours. How many bacteria would there be after 13 hours, to the nearest whole number?
learn more about bacteria growth problems here :
https://brainly.com/question/14106525
#SPJ2
Find the area of a circle in feet with the radius being 3'.
Answer:
28.27 ft²
Step-by-step explanation:
[tex]A=\pi r^2[/tex] where [tex]r[/tex] is the radius
Plug in 3 for the radius
[tex]A=\pi (3)^2\\A=9\pi[/tex]
[tex]A=28.27[/tex] (approximate answer when rounded to the nearest hundredth)
Therefore, the area of the circle is 28.27 ft².
I hope this helps!
Answer:
exact area: 9 ft²
approximate area: 28.3 ft²
Step-by-step explanation:
An area cannot be in feet. It must be in a square unit such as square feet.
A = r²
A = ()(3 ft)²
A = 9 ft²
A = 9(3.14159) ft^2 = 28.3 ft²
Answer:
exact area: 9 ft²
approximate area: 28.3 ft²
20 POINTSSS!!
Which of the following sets of Real Numbers are Counting Numbers?
A. { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }
B. { 1, 2, 3, 4 ... }
C. { 0, 1, 2, 3, 4 ...}
D. { ...-2, -1, 0, 1, 2 ... }
Answer:
option D. {......-2, -1, 0, 1, 2 ......}
45 is what percent of 60
Answer:
75%
Step-by-step explanation:
[tex]\frac{x}{100} = \frac{45}{60}[/tex]
45 x 100 = 4,500
4,500 divided by 60 = 75
a square has a side length of (x-7) a what is the area?
Answer:
4x+28
Step-by-step explanation:
Look at this graph: 100 90 70 60 50 40 30 20 10 0 30 50 60 70 What is the slope? Simplify your answer and write it as a proper fraction, improper fraction, or integer.
Answer:
Step-by-step explanation:
Nose amigo si supiera te ayudaría mucho
Answer:
Save your graph and ask the question again, I don't understand.
Step-by-step explanation:
PROOFS !! help me fill in the blanks
Answer:
this making ur email.... I think we shouldn’t be doing this. People can get into ur account .
‘Anyways, all u need to do is put ur real first name, last name, make a password THAT NO ONE SHOULD KNOW, confirm it again, and make ur email. DONT SHARE INFO WITH OTHERS
Is this answer correct?
Van sold his skateboard for $54. He saves %15 of the money to purchase a new skateboard. How much does Van save for the new skateboard?
Answer:
$8.10
Step-by-step explanation:
Take the initial value ($54) and multiply it by 15% by turning 15%into a decimal.
15% --> .15 (divide by 100 and remove the %)
54 × .15 = 8.1 or $8.10
Select all ordered pairs that satisfy the function below.
A. (0,10)
B. (4,3)
C. (12,-1)
D. (1,8)
Answer:
B and C
Step-by-step explanation:
A, when x = 0, y = 5
B, when x = 4, y = 3
C, when x = 12, y = -1
D, when x = 1, y = 9/2
Function or not a function?
Identify whether the representation is a function or not a function.
Function
Not A Function
ASAP EASY!!!! IS THIS WRONG??? ILL MARK BRAINLIEST!!!!
Answer:
No it's not wrong
Step-by-step explanation:
K=?
Can you also explain so I can try it by my self with a similar one.
Answer:
k = 10.39
Step-by-step explanation:
tangent 30 = opposite side / adjacent side, opposite side = 9, adjacent side = k + 3sqrt3.
tan 30 = 9/(k + 3sqrt3)
0.5774 = 9/(k + 3sqrt3)
k + 3sqrt3 = 15.5885
k = 15.5885 - 3sqrt3
k = 10.392
15h - 4 = 6
Two step problem
Answer:
h = 10/15
Step-by-step explanation:
Isolate the variable, h. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
PEMDAS is the order of operation, and stands for:
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction
First, add 4 to both sides of the equation:
15h - 4 (+4) = 6 (+4)
15h = 6 + 4
15h = 10
Next, divide 15 from both sides of the equation:
(15h)/15 = (10)/15
h = 10/15 or 0.667 (rounded)
Please help!!
At first, there were 930 women and men at a funfair altogether. After 4/5
the women and 1/2
of the men had left, a total of 360 men and women
remained at the funfair. How many women were there at the funfair at first?
Select the correct answer. Gas station A has posted a chart that shows the price of gasoline in terms of the number of gallons. Gallons Price 3 9.15 5 15.25 7 21.35
3.05 per gallon for gas station a
Which of the following is a radius of D?
Answer:
Hi! Please comment down below what is the following so I can give you a better explanation. Or please repost the question with a picture of the expressions or such. Thanks have a wonderful day. - K
please help!!! i'll mark you brainliest
20 points (maths)
Answer:
25,0000000000000pmc squared
Step-by-step explanation:
because it's math.
What is the area of the right trapezoid?
A) 28 square inches
B) 35 square inches
C) 56 square inches
D) 70 square inches
Answer:
c
Step-by-step explanation:
because are of trapizium =( a+b/2) × h
A pair of shoes is on sale for 30% off. The original price is p. Which expression can be used to find the price of the shoes after the discount? 0.30p 0.70p 1.30p 30p
Answer:
0.30p
Step-by-step explanation:
(px30)/100=0.3p
Answer:
0.70 p
Step-by-step explanation:
If the item is 30% off, the new price is 0.7p because we want to know how much 70% of the original price was.
i need help ASAP please answer these questions! ASAP
16 is the answer BRAINEST plz
Step-by-step explanation:
12=3/4
12÷3=4
4/4 = 16
Pls help Pls help Pls help Pls help Pls help ILL GIVE BRAINLIEST
Answer:
I cant see the picture it blocked for some reason probally my pc.
Step-by-step explanation:
2x - 1 1/2 = 31
solve the equation for the variable
Answer:
x=16 1/4
Step-by-step explanation:
is that a 11/2 or a 1 1/2? the answer i put was for 1 1/2
Answer:
x=16 1/4
Step-by-step explanation:
2 - 1/2 = 1/2
31 / 1/2 = 15 1/2
Check Answer:
(2 x 16 1/4)- 1 1/2
32 1/2 - 1 1/2
=31
Sooo:
x=16 1/4
PLEASE HELP ILL GIVE BRAINLIEST!!n triangle ABC, determine the length of the altitude to segment BC.
Answer:
7V3
In triangle ABC, the measure of angle A is 60°, the length of BC is 7V3, and the length of AC is 7V2.
Step-by-step explanation:
Write the ratio 32 : 24 in its simplest form
Answer:
4:3
Step-by-step explanation:
because 32:24 simpified is 4:3
Select the right answer?
Answer:
opposite sides are parallel
Answer:
Option A.) All 4 sides are congruent.Step-by-step explanation:
Because this chapter is related to Rhombus.Please help me please help with this questions ASAP
Answer:
I believe the answer is 3. Im not sure so sorry if you get it wrong
write the fraction as a decimal and a percent 5/8 equals what and equals ?%
Answer:
0.625
62.5%
Step-by-step explanation:
5/8 = 0.625
.625 = 62.5%
Answer:
.625 / 62.5%
Step-by-step explanation:
hope this helps :)
EASY EXTRA POINTS HELP ASAP WILL MARK BRAINLIEST
Answer:
it should be two
Step-by-step explanation:
I hope this helps!
Please please help me