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kolezko [41]
3 years ago
11

Find the circumference and area of a circle with a radius of 3

Mathematics
1 answer:
viktelen [127]3 years ago
8 0

Answer:

circumference is 18.84

area is 28.26

Step-by-step explanation:

circumference of a circle is

2πr where r is radius

= 6×3.14= 18.8

area of a circle is πr²

= 3×3×3.14

= 28.26

use π = 3.14

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Find the length and width of a similar rectangular screen if the length is 5 meters more than 6 times its width, and the viewabl
Sliva [168]

Answer:185 m , 60 m

Step-by-step explanation:

Given

Length is 5 m more than 6 times its width

Suppose width is x

So, length is given by 6x+5

The area is given by l\times b

Put values of length and width

\Rightarrow (6x+5)x=5550\\\Rightarrow 6x^2+5x-5550=0\\

On solving the quadratic equation, we get x=30

Length is 6\times 30+5=185\ m

Width is x=30\ m

7 0
3 years ago
(d)
mash [69]

Answer: The 4 answers are x=18, x=3, x=48, x=81 1/2.

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6 0
2 years ago
Select the correct answer.
marishachu [46]

Answer:

M = \log(10000)

Step-by-step explanation:

Given

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Required

The resulting equation

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M = \log(\frac{I}{I_o})

Substitute the right values

M = \log(\frac{10000I_o}{I_o})

M = \log(10000)

5 0
3 years ago
What's 9×9×9×9×9×91×29×37×74+1000​
Anettt [7]

Answer:

6.1923849e+12

Step-by-step explanation:

If you go left to right (9x9) x (9x9) You can get the same answer. It will extend further But you get the point right?

8 0
3 years ago
Read 2 more answers
Given the figure below with mBFA = 166° and mBD = 88°, what is Help
Strike441 [17]

Answer:

it should still be 166

Step-by-step explanation:

because bfa should be the same as bda

that's what i learnt about this

but i did this a long time ago so im about 70 percent sure that this is correct

5 0
1 year ago
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