1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
artcher [175]
3 years ago
12

A circular Petri dish has a diameter of 10 centimeters. If the dish contains 2,450 bacteria, what is the population density of b

acteria in the fish?
(1) 31 bacteria per square centimeter
(2) 42 bacteria per square centimeter
(3) 48 bacteria per square centimeter
(4) 51 bacteria per square centimeter
Mathematics
1 answer:
Gekata [30.6K]3 years ago
3 0
Density=population/area circle, radius=10/2=5 cm
Density=population/(πr²)=2450/(π*5²)≈31
<span>(1) 31 bacteria per square centimeter</span>

You might be interested in
Give an example of a repeating decimal where two digits repeat
Novay_Z [31]
27.33333333 I hope it helps!
3 0
4 years ago
Read 2 more answers
And some more help there are a few more
insens350 [35]

(3x²y²)/(12x)

Divide each number and variable. Note that when you are dividing variables, you are subtracting the powers.

3/12 = 1/4

x²/x = x

Answer: (x(y²))/4

hope this helps

6 0
3 years ago
Read 2 more answers
Help please please help me please help
konstantin123 [22]

Answer:

<em>1) a=3</em>

<em>2) x=2</em>

<em>3) b=3</em>

<em>4) x=5</em>

<em>5) b=2</em>

<em>6) a=4</em>

Hope this helps :)

<em>-ilovejiminssi♡</em>

5 0
3 years ago
Read 2 more answers
2. A triangular prism has a base area of 27 square inches and a height of 13 inches. What is the
guajiro [1.7K]

Answer:

A.)351 cubic inches

Step-by-step explanation:

The computation of the volume of the prism is shown below:

As we know that

Volume of the prism is

= Base × height

= 27 square inches × 13

= 351 cubic inches

hence, the first option is correct

And, the rest of the options are wrong

5 0
3 years ago
2. Kim is x years old. Jordan is 7 years older than Kim. Four times Jordan’s age is equal to 200. (a) Write an equation that cou
wlad13 [49]
(a) Kim x years old
Jordan x+7 years old
4(x+7)=200
An Equation That Could Be Used To Solve For Kim's Age , x Is 4x+28=200.
(b) 4x=200-28
4x=172
x=43
Kim Is 43 Years Old.
(c) x+7
=43+7
=50
Jordan Is 50 Years Old.
7 0
3 years ago
Other questions:
  • Solve this equation<br> y= 2x<br> x= -y + 6
    15·1 answer
  • Find the work done by a force of 4 pounds acting in the direction of 41° to the horizontal in moving an object 5 feet from (0, 0
    10·1 answer
  • What is 27 - (6)???????????????????????????
    6·1 answer
  • Describe a single transformation from triangle ABC to triangle A"B"C
    10·1 answer
  • ℜ 0, -180 is the same rotation as _______.
    5·2 answers
  • -2(5f+4r) use f=5 and r=3
    14·1 answer
  • . What's the correct letter name for Ð1 below?<br><br><br> A. <br> B. <br> C. <br> D.
    11·1 answer
  • Please help, need an answer ASAP!
    7·1 answer
  • Right triangle hypotenuse is 16 angle is 22° and adjacent angle is x
    13·1 answer
  • PLEASE HELPPP <br><br> Find the measures of the numbered angles in each kite
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!