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yulyashka [42]
3 years ago
10

Circumference and area of a circle (picture provided)

Mathematics
1 answer:
Anestetic [448]3 years ago
4 0

Answer:

B

Step-by-step explanation:

The formulas we need are below:

C=dπ

A=r²π

d=2r

Plug in the values.

d=12

C=12π

A=36π

C=12(3.14)=37.68

A=36(3.14)=113.04

B matches

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What is the factorization of the polynomial 2x2 + 24x + 72​
Reil [10]

Answer:

2(x+6)^2

Step-by-step explanation:

2x^2 + 24x + 72 = 2(x^2 + 12x + 36) = 2(x+6)^2

5 0
3 years ago
Read 2 more answers
Jolianne worked half as many hours as Andrew. Jolianne makes $10 per hour and has saved $27. Andrew makes $8 per hour and has sa
lisabon 2012 [21]

Answer:

Step-by-step explanation:

8t = 10(1/2t) + 27

8(2t = 10(t) + 27

Number 4 is correct

4 0
4 years ago
. John Gray bought a basic car for $8,250.00, with options that cost $324.00. There's a 6% sales tax in
bogdanovich [222]
Cost of basic car = $8250
Optional cost = $324
Total cost of basic car and optional items for John= (8250 + 324) dollars
                                                                  = 8574 dollars
Then
Percentage of sales tax = 6%
Amount of sales tax = 8574 * (6/100) dollars
               = 514.44 dollars
License and registration fee combined = $50
Then total cost of John in regards to buying the car = 8574 + 514.44 + 50
                                                                                    = 9138.44 dollars
So option "C" is the correct option in regards to the question given.
3 0
4 years ago
I’m so confused on how to do it
Monica [59]

Answer:

785.4

Step-by-step explanation:

The formula to find the surface area of a cylinder is

2* pi* radius* height + 2* pi* 2radius.

2( 3.14) (5) (20)= 628

2 (3.14* 5*5)= 157

628+ 157= 785.

8 0
3 years ago
Which of the following numbers could be the probability of an event?
Olenka [21]

Answer:

1, 0.06, 0, and 0.22

Step-by-step explanation:

Probability can't be negative or more than 1.

Therefore, 1, 0.06, 0, and 0.22 are all possible probabilities.

8 0
3 years ago
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