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3 years ago

Explain how to find the range

Mathematics

2 answers:

Temka [501]3 years ago

8 0

Biggest Number of Set minus Smallest Number

Because if 3-8 is 5, there is 5 numbers there, so the range is 5

algol133 years ago

7 0

Answer:

Step-by-step explanation:

Put all of your numbers in order of lowest to highest and the range will be the lowest number - the highest number.

example:

43 25 67 89 22 73 45 58 32 76

Sort out into an order:

22 25 32 43 45 58 67 73 76 89

The range would be:

22-89

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melisa1 [442]

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3 years ago

Answer for bar graph of 182,000

Aneli [31]

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3 years ago

1. Write a quadratic function, in standard form, that fits the set of points. Solve it as a system of three equations

sasho [114]

Answer:

The equation is $y=2x^2+4x-7$

Step-by-step explanation:

Let the quadratic function be

$y=ax^2+bx+c$

The point (-4,9) must satisfy this function,

$\Rightarrow a(-4)^2+b(-4)+c=9$

$\Rightarrow 16a-4b+c=9...(1)$

The point (0,-7) must also satisfy this function,

$\Rightarrow a(0)^2+b(0)+c=-7$

$\Rightarrow c=-7...(2)$

The point (1,-1) must also satisfy this function,

$\Rightarrow a(1)^2+b(1)+c=-1$

$\Rightarrow a+b+c=-1...(3)$

We put equation 2 into equation 1 to get;

$\Rightarrow 16a-4b-7=9$

$\Rightarrow 16a-4b=16$

$\Rightarrow 4a-b=4...(5)$

We again put equation 2 into equation 3 to get;

$\Rightarrow a+b-7=-1$

$\Rightarrow a+b=6...(6)$

We add equation 5 and 6 to get;

$5a=10$

$\Rightarrow a=2$

We put $a=2$ into equation 6 to get;

$2+b=6$

$\Rightarrow b=6-2$

$\Rightarrow b=4$

The equation is therefore $y=2x^2+4x-7$

5 0

3 years ago

In the data set below, what is the mean absolute deviation? 43 25 43 30 55 10 81 If the answer is a decimal, round it to the nea

Fudgin [204]

Answer:

16.6

Step-by-step explanation:

5 0

3 years ago

I need help with #5 an explanation might be nice too!! (will give brainliest!) and 50 points.

julsineya [31]

Answer:

2600 yd cubed

Step-by-step explanation:

13 times 20 is 260

260 times 10 is 2600

8 0

3 years ago