3 years ago

Find the side of a square with area of 25 sq. ft

2 answers:

8 0

Area = side squared, so the length of a side is the square root of the area, 5.

7 0

The side of a square would be 5 because the square root of 25 is 5.

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Masteriza [31]

Answer:

x + 56 = 86.

Step-by-step explanation:

6 0

3 years ago

gulaghasi [49]

6.4.. Unless you need it in a fraction..

8 0

3 years ago

Daniel [21]

6x = n²-16
n²-6x-16=0 -16=-8*2, -6=-8+2
(n-8)(n+2)=0
n-8=0, n+2=0
n=8, n=-2
Negative solution is -2.

5 0

3 years ago

svetlana [45]

<h2><u><em>GLAD YOU FOUND YOUR ANSWER!!!!!!</em></u></h2>

4 0

3 years ago

vladimir1956 [14]

Given is the number of science fiction books = 48

Let the number of mystery books be = x

Let the number of biographies be = y

Ratio of the number of mystery books to the number of science fiction books is 4:3 so $\frac{4}{3}= \frac{x}{48}$

= $3x=48\times4$

$x=64$

Ratio of the number of science fiction books to the number of biographies is 4:5 so $\frac{4}{5}=\frac{48}{y}$

= $4y=5\times48$

$y=60$

Hence there are 48 science fiction books, 64 mystery books and 60 biographies.

So total number of books are = $48+64+60=172$

7 0

3 years ago