3 years ago

Don’t understand #3 please help quickly

Mathematics

1 answer:

iris [78.8K]3 years ago

8 0

Answer:

the answer is b

Step-by-step explanation:

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The frequency table below shows the ages of 30 children who participate in a soccer legue how many are 12 years or older

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kolbaska11 [484]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

$y < -\frac{1}{3}x+3$ ----> inequality A

The solution of the inequality A is the shaded area below the dashed line $y=-\frac{1}{3}x+3$

The slope of the dashed line is negative

The y-intercept of the dashed line is 3

The x-intercept of the dashed line is 9

$y > 3x+2$ ----> inequality B

The solution of the inequality B is the shaded area above the dashed line $y=3x+2$

The slope of the dashed line is positive

The y-intercept of the dashed line is 2

The x-intercept of the dashed line is -2/3

The solution of the system of inequalities is the shaded area between the two dashed lines

see the attached figure

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Find two consecutive whole numbers such that the sum of their squares is 221.

Law Incorporation [45]

$n^2+(n+1)^2=2n^2+2n+1=221$
$2n^2+2n=220$
$n^2+n=110$
$n^2+n-110=0$
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But since $n$ must be a whole number, we ignore $n=-11$ . So the two integers are $n=10$ and $n+1=11$ .

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so i hope this is what your looking for

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