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Sav [38]
3 years ago
9

15.5 × [(2 × 2.4) + 3.2] – 16

Mathematics
1 answer:
ch4aika [34]3 years ago
5 0

Answer:

108

Step-by-step explanation:

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Is y=9x-5 proportional?
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PLEASE HELP PLEASE HELP
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the answer is x= 69°

21+90=111

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At a cookout, Mrs. Crawford makes 8/9 pound of chicken, plus 1 pound for each guest. Is the relationship between the number of g
erma4kov [3.2K]
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¿Qué entiendes por propiedad distributiva?​
yan [13]
La propiedad distributiva es una propiedad de las matemáticas de “distribuir” un múltiplo a una expresión.
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3 0
3 years ago
The Quadratic Formula, x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times
DedPeter [7]

Answer:

The correct option is  2 .

Therefore ,the missing denominator of the solution. 4 plus or minus the square root of 2, all over is <u>  2 . </u>

     x=\dfrac{4\pm\sqrt{2}}{2}

Step-by-step explanation:

For a Quadratic Equation ax² + bx + c = 0

By Formula Method we get

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

So we have Quadratic Equation is 2x² - 8x + 7 = 0

On Comparing we get

a=2\\b=-8\\c=7

Substituting a , b, c values we get

x=\dfrac{-(-8)\pm\sqrt{(-8)^{2}-4(2)(7)}}{2(2)}\\\\x=\dfrac{8\pm\sqrt{64-56}}{4}\\\\x=\dfrac{8\pm\sqrt{8}}{4}\\\\x=\dfrac{8\pm2\sqrt{2}}{4}\\\\x=2(\dfrac{4\pm\sqrt{2}}{4})\\\\x=\dfrac{4\pm\sqrt{2}}{2}

Therefore ,the missing denominator of the solution. 4 plus or minus the square root of 2, all over is <u>  2 . </u>      

7 0
2 years ago
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