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2 years ago

11

A theater has 20 rows of chairs. The first row has 16 chairs, the second has 18, the third has 20, and so on. In total, the thea

ter seats _____ people.

2 answers:

Lunna [17]2 years ago

5 0

I would do it in Buhh I'm working so add all of them(16,18,20) together 6 times then add another 16 and 18 and you will get your answer.

timurjin [86]2 years ago

3 0

Answer:

Step-by-step explanation:

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What is the solution to the compound inequality in interval notation?

ohaa [14]

The given compound inequality is

$2(x+3)>6 \ or \ 2x+3\leq -7$

First we solve the first inequality,

$2(x+3)>6
\\
x+3 >3
\\
x>0$

Now we solve the second inequality

$2x+3\leq -7
\\
2x \leq -7-3
\\
2x\leq -10
\\
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So we have

$x > 0 \ or \ x\leq -5$

So the required solution is

$( - \infty,-5] \ or \ (0, \infty)$

Correct option is A .

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2 years ago

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Helga [31]

Answer:

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3 years ago

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Find a quadratic polynomial whose sum and and product is -7 and -2

vampirchik [111]

Answer:

<h2>x²+7x-2 = 0</h2>

Step-by-step explanation:

The general form of a quadratic equation with roots a and b is expressed as shown;

x²-(sum of root) x + (product of roots) = 0

x² - (a+b)x + ab = 0 ... 1

Given the sum of roots a+b = -7

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Substituting this values in equation 1 above wil give;

x²-(-7)x+(-2) = 0

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IgorC [24]

Answer:

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Step-by-step explanation:

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so it would be
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3 years ago

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