List all of the numbers between 20 and 30 that are prime

Answers

Answer 1

Answer: 23 and 29 are the only 2 prime numbers from 20 to 30

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A sphere and cylinder have same radius and height the volume of cylinder is 27 which equation give volume of sphere

Answers

Answer:

The correct answer is A on Edge 2020.

Step-by-step explanation:

A sphere has 2/3 the volume of a cylinder given that the radius and height are equal. Because the volume of the cylinder is 27 pi (on Edge 2020), you need the equation: 2/3(27 pi) or A.

Answer:

the answer is A≈9160.88

Step-by-step explanation:

A=4πr2=4·π·272≈9160.88418
where as a = area

Suppose that an insect population’s density, in thousands per acre, during year n, can be modeled by the recursive formula: a1 = 8 an = 2.9an – 1 – 0.2(an – 1)^2 Which of the following describes what is happening to the insect population for the first five years?

Answers

Answer:

The population alternates between increasing and decreasing

Step-by-step explanation:

The options of the question are

A) The population density decreases each year.

B) The population density increases each year.

C) The population density remains constant.

D) The population alternates between increasing and decreasing

we have

$a_n=2.9(a_n_-_1)-0.2(a_n_-_1)^2$

$a_1=8$

Find the value of $a_2$

For n=2

$a_2=2.9(a_1)-0.2(a_1)^2$

$a_2=2.9(8)-0.2(8)^2=10.4$

Find the value of $a_3$

For n=3

$a_3=2.9(a_2)-0.2(a_2)^2$

$a_3=2.9(10.4)-0.2(10.4)^2=8.528$

For n=4

$a_4=2.9(a_3)-0.2(a_3)^2$

$a_4=2.9(8.528)-0.2(8.528)^2=10.1858$

For n=5

$a_5=2.9(a_4)-0.2(a_4)^2$

$a_5=2.9(10.1858)-0.2(10.1858)^2=8.7887$

therefore

The population alternates between increasing and decreasing

Answer:

D.) The population alternates between increasing and decreasing.

Step-by-step explanation:

What is 8 3/4 divided by 2 1/6 ?

Express the answer in simplest form.

Answers

I would convert them to improper fractions and then multiply. The improper fractions would be 35/4*13/6, and then you multiply across, 455/24, and that doesn't reduce, but you can convert it back to a mixed number, which is 18 23/24.

What is .016 as a percent

Answers

When you convert .016 to a percent you get 1.6%

What is 9% as a decimal

Answers

It can be helpful to realize the the "%" symbol is a shorthand way to write "/100". That is 9% means exactly 9/100. Of course, you know that hundredths are written in the second decimal place, so

... 9% = 9/100 = 0.09

0.09 Move the decimal point over two digits to account for the x100

the school auditorium has 22 rows with 28 seats each.At a school concert ,29 seats were empty.How many seats were filled

Answers

twenty two multipied by twenty eight equals 616 if twenty nine seats are empty you have to do 616-29= 587

587 seats were filled with people.

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