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attashe74 [19]
3 years ago
15

What is the area of a circle whose radius is r?

Mathematics
1 answer:
Evgen [1.6K]3 years ago
7 0

Answer:

Area of circle = πr^2

Area of circle when diameter is 2x; r=x

=πx^2

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Why is 1/2 of 2 equals one whole
algol [13]
Hey There :)

This is because one is half of two. You could also multiply 2 * 0.5= 1, 0.5 represents \frac{1}{2} and two is the whole number. This is how \frac{1}{2} of two equals one.

Have A Brainly Day :)
8 0
3 years ago
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GIven that GR= x+5 and GP= 2x-3 which expression below calculates the perimeter of this gate? (x+5) + (2x-3) (x+5) + (2x-3) 2(x+
WINSTONCH [101]

Answer:

P = 2(x + 5) + 2(2x - 3)

Step-by-step explanation:

GIven that GR= x+5 and GP= 2x-3 which expression below calculates the perimeter of this gate?

The shape of the gate is rectangular.

Hence, the Perimeter of a rectangle (the gate) = 2L + 2W

Where :

L = GR = x + 5

W = GP = 2x - 3

Hence,the perimeter of the gate is

P = 2(x + 5) + 2(2x - 3)

5 0
3 years ago
Help please quickly
Irina18 [472]

Answer:

:::::::::::::::::::

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3 0
3 years ago
Convert 2 3/4 to a decimal number
Solnce55 [7]

Answer:2.75

Step-by-step explanation:

4 0
3 years ago
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A store uses the expression –2p + 50 to model the number of backpacks it sells per day, where the price, p, can be anywhere from
Rus_ich [418]
Revenue = price * number of backpacks
number of backpacks = -2p + 50

p = 9 ; -2(9) + 50 = -18 + 50 = 32
revenue = 9 * 32 = 288

p = 12 ; -2(12) + 50 = -24 + 50 = 26
revenue = 12 * 26 = 312

<u>p = 12.50 ; -2(12.50) + 50 = -25 + 50 = 25</u>
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p = 15 ; -2(15) + 50 = -30 + 50 = 20
revenue = 15 * 20 = 300
8 0
4 years ago
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