3 years ago

Convert the following fraction to a decimal.

Mathematics

1 answer:

likoan [24]3 years ago

4 0

D
2/9 = .22222222
simplify and you get .2

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The sum of three consecutive integers is 18. Find the integers.

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5,6,7

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3 years ago

At the 6th grade school dance, there are 132 boys, 89 girls and 14 adults.

S_A_V [24]

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132:189 and

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I'm pretty sure

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2 years ago

Solve for x in the equation x squared + 2 x + 1 = 17.

Papessa [141]

Answer:

$x = - 1 + \sqrt{17}\\and\\x = - 1 - \sqrt{17}\\$

Step-by-step explanation:

given equation

$x^2 +2x +1 = 17$

subtracting 17 from both sides

$x^2 +2x +1 = 17\\x^2 +2x +1 -17= 17-17\\x^2 +2x - 16 = 0\\$

the solution for quadratic equation

$ax^2 + bx + c = 0$ is given by

x = $x = -b + \sqrt{b^2 - 4ac} /2a \\\\and \ \\-b - \sqrt{b^2 - 4ac} /2a$

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in our problem

a = 1

b = 2

c = -16

$x =( -2 + \sqrt{2^2 - 4*1*-16}) /2*1 \\x =( -2 + \sqrt{4 + 64}) /2\\x =( -2 + \sqrt{68} )/2\\x = ( -2 + \sqrt{4*17} )/2\\x = ( -2 + 2\sqrt{17} )/2\\x = - 1 + \sqrt{17}\\and\\\\x = - 1 - \sqrt{17}\\$

thus value of x is

$x = - 1 + \sqrt{17}\\and\\x = - 1 - \sqrt{17}\\$

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3 years ago

Identify all values, if any, in the data set that would be considered outliers when creating a modified boxplot. 4 5 7 9 10 10 1

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Step-by-step explanation:

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3 years ago

I dont understand this equation.

amm1812

Where is the question and what is it?

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2 years ago

Read 2 more answers