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1 year ago

What is the area of a circle when the radius is 5ft

Mathematics

1 answer:

Ratling [72]1 year ago

7 0

Answer:

78.54 ft²

Step-by-step explanation:

Hello!

The formula for the area of a circle is A = πr², where r is the radius.

Given r is 5, find the area:

A = πr²
A = π*5²
A = 25π
A = 78.5398163397 ≈ 78.54

The area is 78.54 ft²

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Wrtie the numbers in increasaing order, 4,-9,-5,9,-2,3

Lyrx [107]

Increasing order means from least to greatest.

-9 is the greatest negative number.

-5 is the 2nd negative greatest number.

-2 is the least negative number.

3 is the least positive number.

4 is the second greatest positive number.

9 is the greatest positive number.

So, the answer is: -9,-5,-2,3,4,9

Hope I helped!

6 0

3 years ago

Read 2 more answers

8. Find the equation of the line through the origin and point (3,4) Slope = Equation=

abruzzese [7]

Answer:

$y=1\frac{1}{3} x$

Step-by-step explanation:

Since the line goes through the origin and is propotinal, we just do y/x

4/3= 1 1/3

y=1 1/3x

CHECK (Using desmos)

7 0

2 years ago

A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 20000 tickets are sold at 2

Shalnov [3]

Answer:

The expected winnings for a person buying 1 ticket is -0.2.

Step-by-step explanation:

Given : A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 20000 tickets are sold at 25 cents each, find the expected winnings for a person buying 1 ticket.

To find : What are the expected winnings?

Solution :

There are one first prize, 2 second prize and 20 third prizes.

Probability of getting first prize is $\frac{1}{20000}$

Probability of getting second prize is $\frac{2}{20000}$

Probability of getting third prize is $\frac{20}{20000}$

A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each.

So, The value of prizes is

$\frac{1}{20000}\times 1000+\frac{2}{20000}\times 300+\frac{20}{20000}\times 10$

If 20000 tickets are sold at 25 cents each i.e. $0.25.

Remaining tickets = 20000-1-2-20=19977

Probability of getting remaining tickets is $\frac{19977}{20000}$

The expected value is

$E=\frac{1}{20000}\times 1000+\frac{2}{20000}\times 300+\frac{20}{20000}\times 10-\frac{19977}{20000}\times 0.25$

$E=\frac{1000+600+200-4994.25}{20000}$

$E=\frac{-3194.25}{20000}$

$E=-0.159$

Therefore, The expected winnings for a person buying 1 ticket is -0.2.

3 0

3 years ago

Which table belongs to the equation y = 4x - 4?*

fenix001 [56]

Answer:

Could you maybe provide the answer choices?

Step-by-step explanation:

7 0

2 years ago

Select all the values that cannot be probabilities a. 3/5b. 1c. -0.45d. 0.06e. 1.16f. 0g. 5/3h. √2

nikitadnepr [17]

Answer:

c,-0.45 ,

e. 1.16

g. 5/3

h. √2

Cannot be probability.

Step-by-step explanation:

Probability of any occurrence is always in the interval of 0 to 1. 0 and 1 inclusive.

0≤P(A)≤1

Any value outside this boundaries cannot be probability.

Therefore, -0.45,1.16,5/3 and √2 cannot be probability.

4 0

3 years ago