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Sophie [7]
3 years ago
5

A farmer has a field in the shape of a semicircle of diameter 50 m. First,

Mathematics
1 answer:
dexar [7]3 years ago
5 0

Answer:

157.1 m

Step-by-step explanation:

Here, we want to calculate the length of the semi-circle

This simply refers to the circumference of the semi-circle

Mathematically, the circumference is half that of a full circle

The circumference of a full circle is;

C = pi * d

For half circle or semi-circle;

It is ;

C = (pi * d)/2

D = 50 m

The circumference is thus;

C = 50 * 3.142

C = 157.1 m

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Find the value of a and b when x = 12
oksano4ka [1.4K]

Answer:

a=120

b=240

Step-by-step explanation:

if x=12

a=5×2×2×2(x-5)

5×2=10×2×2=40

40(x-5) 40x-200

200=40×\40x=5

b=2×10×12=240

a=120

b=240

7 0
3 years ago
HELP ASAP!!! please, I need help
nataly862011 [7]

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The answer would be D. (11,14),(8,18)

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8 0
3 years ago
Write down three integers all less than 25, range is ten and mean is thirteen
vitfil [10]

Answer:

9, 11 and 19

Step-by-step explanation:

the first two integers I've picked are 19 and 9 because it gives a range of 10 and is less than 25

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mean \:  =  \:  \frac{sum \: of \: all \: numers}{how  \: many \: numbers \: there \: are}

the third number = x

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multiply both sides by 3 to get rid of the fraction

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subtract both sides by 28

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the third number is 11

the three integers are 9, 11 and 19

there are two other possible answers:

8, 13 and 18

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2 years ago
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B) square root of 3



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3 years ago
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