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3 years ago

8

there are 3 lines of people waiting to enter a museum each line has 12 people 4 people decide to leave how many people remain in

line

2 answers:

ss7ja [257]3 years ago

6 0

There are 12*3 people waiting in all. 36. 36- 4= 32

kumpel [21]3 years ago

3 0

32. (12×3)-4=32. I really hope that helps.

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Select the two values of x that are roots of this equation x^2-5x+2=0

Nataly [62]

The roots of the equation is x = 4.56 OR x = 0.44

<h3>Quadratic equation</h3>

From the question, we are to determine the roots of the given equation

The given equation is

x² -5x +2 = 0

Using the formula method,

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

In the given equation,

a = 1, b = -5, c = 2

Putting the values into the formula,

$x =\frac{-(-5) \pm \sqrt{(-5)^{2}-4(1)(2) } }{2(1)}$

$x =\frac{5 \pm \sqrt{25-8} }{2}$

$x =\frac{5 \pm \sqrt{17} }{2}$

$x =\frac{5 + \sqrt{17} }{2}$ OR $x =\frac{5 - \sqrt{17} }{2}$

$x =\frac{5 + 4.12}{2}$ OR $x =\frac{5 - 4.12}{2}$

$x =\frac{9.12}{2}$ OR $x =\frac{0.88}{2}$

x = 4.56 OR x = 0.44

Hence, the roots of the equation is x = 4.56 OR x = 0.44

Learn more on Quadratic equation here: brainly.com/question/8649555

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3 0

1 year ago

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serious [3.7K]

a is the answer, as i is irrational no

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2 years ago

Nicole's Bikes rents bikes for $17 plus $3 per hour. Ndiba paid $41 to rent a bike. For how many hours did he rent the bike?

NemiM [27]

Answer:

Ndiba rented the bike for 8 hours

Step-by-step explanation:

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1 year ago

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UkoKoshka [18]

Answer:

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cross multiplying,

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goldenfox [79]

Answer:

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3 years ago

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