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olchik [2.2K]
3 years ago
12

A 50 centimeter piece of wire is bent into a circle. What is the area of this circle?

Mathematics
1 answer:
Korvikt [17]3 years ago
6 0

Answer:

198.95 cm²

Step-by-step explanation:

Circumference = 50cm

C = πD

D = C/π

r = D/2

r = 50/π/2

r= 7.957747…..cm

Area = π r²

A = π x 7.957747….²

A = 198.95 cm² (2dp)

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Please write the function(x) from the given rules:a. Twice the input value plus three. B. The input value minus five. C. To get
Bas_tet [7]

Answer:

A) f(x) = 2x + 3

B) f(x) = x - 5

C) f(x) = 2x + 4

Step-by-step explanation:

To find - Please write the function(x) from the given rules:

              A) Twice the input value plus three.

              B) The input value minus five.

              C) To get the output, multiply the input by two, then add four.

Proof -

Let us assume that the input = x

The output = f(x)

Now,

A)

f(x) = 2x + 3

B)

f(x) = x - 5

C)

f(x) = 2x + 4

8 0
2 years ago
What is the answer for this express
kotykmax [81]

12, 2, 4, and 7. The coefficients in the expression 12xy³+2x⁵y+4x⁵y²+7x⁵y are 12, 2, 4, and 7.

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8 0
3 years ago
Read 2 more answers
A change in velocity <br><br><br> a. speed<br> b. velocity<br> c. acceleration
nata0808 [166]

Answer:

C

Step-by-step explanation:

8 0
3 years ago
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A roller coaster has four cars each with the same number of seats. these are 21 passengers seated in the roller coaster, but 3 s
belka [17]

Given:

Number of passengers seated in the roller coaster = 21

Empty seats = 3

Number of cars in roller coaster = 4 (each with the same number of seats)

To find:

An equation that can be used to determine the number of seats in each car.

Solution:

Let s be the number of seats in each car.

Total number of seats in 4 cars = 4s

Using the given information,

Total number of seats = Occupied seated + Empty seats

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Now, the required equation is

4s=24

Therefore, the required equation is 4s=24.

Divide both sides by 4.

s=\dfrac{24}{4}

s=6

Therefore, the number of seats in each car is 6.

6 0
3 years ago
Simplest form please. thanks
Burka [1]

Hi,

11 feet becuase when you divide 35.75 by 3.25 you get 11

Hoped this helped

3 0
3 years ago
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