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steposvetlana [31]
3 years ago
9

The mean is defined as the

Mathematics
1 answer:
ivanzaharov [21]3 years ago
3 0
A. average of a data set

The mean is the same as the average.
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A walkway forms one diagonal of a square playground. The walkway is 14 m long. How long is a side of the playground?
Vilka [71]

Answer: The side of the playground is around 10 meters long

Step-by-step explanation:

use the diagonal as the hypotenuse of a right triangle, where the sides of the square form the legs of said triangle.

Usually

a^{2} +b^{2} =c^{2}

since we know a and b are the same length (sides of a square are congruent) we would have

a^{2} +a^{2} =c^{2} \\2a^{2} =c^{2}

We know that c is 14 so

2a^{2} =14^{2} \\2a^{2} =196\\a^{2} =98\\a=\sqrt{98} \\a= 9.999

5 0
2 years ago
In a play-school with 500 students, the number of boys is 20 more than five-sevenths of the number of girls. Let’s find the numb
Arisa [49]

Answer:

Ok, so we can express the boys as another letter. just express them as the letter B for boys.

Step-by-step explanation:

I really don't know why.

8 0
3 years ago
Im distributive property and combining like term and I have to simplify this expression 10(7r)
faltersainse [42]
It would be 70r if you are using distributive property
8 0
3 years ago
Which expression can you use to convert 32 cups to pints?
Stolb23 [73]

16 Pints

if that's what your asking

3 0
3 years ago
What is the quotient (3x^3 10x^2 10x 4) divided by (x 2)?
lozanna [386]

Answer:

3x^2 + 16x + 42  

3x^2 + 4x + 2  

3x^2 – 16x + 42  

3x^2 – 4x + 2

Step-by-step explanation:

3 0
3 years ago
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