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Svetradugi [14.3K]
3 years ago
10

Cual es la media. como lo calcularon​

Mathematics
1 answer:
Liula [17]3 years ago
5 0

Answer:

wheres the problem

Step-by-step explanation:

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Este plzzz.
Yuki888 [10]

Answer:

La superficie es 194.94cm cuadrados

Step-by-step explanation:

¡Espero que esto ayude!

¡Por favor marque el más inteligente!

3 0
3 years ago
PLEASE HELP FOR A COOKIE
nikdorinn [45]
Create a ratio and cross multiply

20x - 75 = 14x + 63
6x = 138
x=23

hope this helps :)
6 0
3 years ago
Find the slope: (-4, 3) and (8, -3)
olga2289 [7]

Answer:

-1/2

Step-by-step explanation:

The slope is the change in y over the change in x.

\frac{y_{2} -y_{1} }{x_{2} -x_{1} }

For this question:

\frac{3-(-3)}{-4-8} =\frac{6}{-12} =-\frac{1}{2}

4 0
3 years ago
Read 2 more answers
Solve for b.<br> 8^b-1=2^4b+4<br> b=_____
777dan777 [17]
I hope this helps you

7 0
3 years ago
Solve x2 + 1/2x +1/16=4/9
kolezko [41]

<u>Answer:</u>

x = 0.417 or x = -0.917

<u>Step-by-step explanation:</u>

We are given the following expression and we are to solve it for the variable x:

x ^2 + \frac { 1 } { 2 } x + \frac { 1 } { 1 6 } = \frac { 4 } { 9 }

We will find the least common multiple of 2. 6 and 9:

x^2 \times 144 +\frac{1}{2}x \times 144 +\frac{1}{16} \times 144 = \frac{4}{9} \times 144

Simplifying it to get:

144x^2+72x+9=64

144x^2+72x+9-64=0

144x^2+72x-55=0

Using the quadratic formula to solve for x:

x=\frac{-b \pm\sqrt{b^2-4ac} }{2a}

x=\frac{-72 \pm\sqrt{72^2-4(144)(-55)} }{2a}

x=\frac{5}{12} or 0.417

x=-\frac{11}{12} or -0.917

3 0
3 years ago
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