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julia-pushkina [17]
3 years ago
7

Max has a rectangular plot that is 60 square meters in area. He keeps his five goats,

Mathematics
2 answers:
slava [35]3 years ago
7 0

Answer:

32 meters

Step-by-step explanation:

If the plot is 60 square meters in area and 10 meters long then we can divide the area (60 square meters )by the length (10 meters) to get the missing side of 6 meters. Since the plot is rectangular there are 2 sides that are 10 meters and 2 sides that are 6 meters. Add up all the sides 2(10+6) [or just 10+10+6+6] to get a final length of 6 meters of white picket fence.

I am Lyosha [343]3 years ago
4 0

Step-by-step explanation:

you know the area of a rectangle is length × width.

we know length = 10 m.

and we know the area = 60 m².

60 = 10×width

width = 60/10 = 6 m.

the fence is the perimeter, which is for a rectangle

2×length + 2×width

which is logical, as when you fully go around a rectangle, you have to pass the length 2 times and the width 2 times, right ?

length of fence = 2×10 + 2×6 = 20 + 12 = 32 m.

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3 years ago
my son is 12 years old and his brother is 6 years time Johnson will be twice as old as his brother how old are they now ​
Marat540 [252]

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Step-by-step explanation:

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Cereal. A dietician obtains the amounts of sugar (incentigrams) from 100 centigrams (or 1 gram) in each of 10 differentcereals,
nadezda [96]

Answer:

Range is 44

mean is 29.7

variance is 289.56

standard deviation is 17.016

Step-by-step explanation:

The data given as follows

3, 24, 30, 47, 43, 7, 47,13, 44, 39

Range = maximum - minimum

             = 47 -3 = 44

mean = \frac{3+24+30+47+43+7+47+13+44+39}{10} = 297/10 = 29.7

variance = \frac{sum xi^2 }{N} - mean^2 }

              = 289.56

SD = \sqrt{variance}  = 17.016

The standard deviation of the given data is not a good measure as the range and standard deviation are far apart. The standard deviation gives how the given data is dispersed from the mean or expected value, while the range gives a rough idea of variability of the data.

3 0
3 years ago
Harding and Jack found that 8 percent of their number was 72. What was their number?
Aneli [31]
I do believe that the answer is 900. 
Steps:
I first set up a proportion, with 8/100 and 72/x (x being the number we are trying to find) 
As I was taught, you multiply 100 by 72, which equals 7,200.
Then, I divided 7,200 by 8, which gave me 900.
This is what the proportion process should have looked like:
8/100    72/x
7,200/8
x=900
I hope this helps!
4 0
3 years ago
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