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Sphinxa [80]
3 years ago
5

4 cows or 3 oxen can eat up the grass of a field in 12 days.in how many days can 8 cows an 3 oxen eat up the grass of that field

.
​

Mathematics
1 answer:
Ulleksa [173]3 years ago
5 0

Hope this help you!!!

Thanks for ask

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The system of equations is coincident. What are the missing values?
FrozenT [24]
\rm x+3y=5|*4 \\ \\ 4*x+4*3y=4*5 \\ \\ \boxed{\rm 4x+12y=20}
7 0
3 years ago
What is a 3, 4, 5 triangle?
Alexandra [31]

Answer:

<em>A special right triangle is a right triangle with some regular feature that makes calculations on the triangle easier, or for which simple formulas exist. For example, a right triangle may have angles that form simple relationships, such as 45°–45°–90°. This is called an "angle-based" right triangle.</em>

Step-by-step explanation:

Hope this helps

Have a nice day :)

5 0
2 years ago
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Which of the following is the MOST accurate definition of standard deviation
zzz [600]

The MOST accurate definition of standard deviation is the mean absolute deviation of the sum of the squared deviation from the average. Option 4

<h3>Definition of standard deviation</h3>

Standard deviation can be defined as a statistic tool that measures the dispersion of a dataset in relation to its mean and is calculated as the square root of the available variance of the set.

It is calculated as the square root of the given variance.

Thus, the MOST accurate definition of standard deviation is the mean absolute deviation of the sum of the squared deviation from the average.

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6 0
2 years ago
The library has DVDs on crime, adventure and science fiction.
kozerog [31]

Answer:

The library has 1,056 crime DVDs.

Step-by-step explanatiion:

Crime : Adventure : Science

11x       :        6x       :   10x

6x+384=10x

384=4x

x=96

The number of crime DVDs is 11x.

We found that x=96.

So, the number of crime DVDs the library has is equal to 11*96.

11*96=1,056.

Hope this helps!

6 0
2 years ago
Which of these best describes d, the diameter of a circle?
oee [108]

Answer:

B).

Step-by-step explanation:

Answer explantion

A) the ratio of the circumference of the circle to Pi: false

B) exactly 3.14 :true

C) the ratio of the diameter of a circle to Pi:false

D) the square of the circumference of a circle:false

6 0
3 years ago
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