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kati45 [8]
3 years ago
9

The following are the weekly amounts of welfare payments made by the federal government to a sample of six families: $139, $136,

$130, $136, $147, and $136. What is the range
Mathematics
1 answer:
Masteriza [31]3 years ago
4 0

Answer:

$17

Step-by-step explanation:

data:

  • $139
  • $136
  • <u>$130 </u>
  • $136
  • <u>$147 </u>
  • $136

In statistics, the range is the difference between the highest value and the lowest value of the data set.

Highest value = $147

Lowest value = $130

Range = $17

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Suppose y varies directly with x, and y = 12 when x = 2. What direct variation
neonofarm [45]

Answer:

y=24

Step-by-step explanation:

<u>Given:</u>

y=kx

<u>Substitute:</u>

\left \{ {{y=12} \atop {x=2}} \right. into y=kx

12=k\times2

<u>Swap the sides:</u>

<u />k\times2=12

<u>Divide both sides of the equation by the coefficient of variable:</u>

<u />k=\frac{12}{2}

<u>Cross out the common factor:</u>

<u />k=6

<u>Find the equation of the function:</u>

<u />y=6x

<u>Substitute:</u>

<u />y=6\times4

<u>Calculate the product or quotient:</u>

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3 years ago
Change 3648 to standard form​
pychu [463]
I'm pretty sure it's

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3 years ago
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valina [46]

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Step-by-step explanation:

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PB is a line segment on a number line. It has endpoints at -2 and 12. what is the coordinate of its midpoint
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5 0
3 years ago
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I don’t get this one but the question was something about finding the equation.
Alina [70]

9514 1404 393

Answer:

  y = -(x -3)^2 +2

Step-by-step explanation:

The vertex form of the equation for a parabola is ...

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The value of 'a' can be found by looking at the y-value of points ±1 either side of the vertex relative to the vertex. Here, the vertex y-value is +2 at x=3, and either side goes down 1 unit (to y=1) for 1 unit to the right or left. So, a = -1.

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  y = -(x -3)^2 +2

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3 years ago
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