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melamori03 [73]
3 years ago
12

What is the range of the following set of data: 12, -2, 9, 3, 2.4, 7.1, 11?

Mathematics
2 answers:
gladu [14]3 years ago
8 0
The answer to this question is 46.6
Vedmedyk [2.9K]3 years ago
6 0
Step #1 = Order from least to greatest

-2 , 2.4 , 3 , 7.1 , 9 , 11 ,  12


Step #2 = Subtracts the highest number from the lowest number

12 - (-2) = 14


Your answer is: 14 

Have an amazing day and stay hopeful!

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I'm guessing you are asking what a number raised to the third power would be called, in that case it'd be called cubed :)
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3 years ago
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Find the measures of all of the angles.
irga5000 [103]

Answer:

a:

1. ABC = 60°

2. BCA = 90°

3. CAB = 30°

b:

XVR = WVS = 125°

RVS = 55°

RST = VSU = 110°

RSV = UST= 70°

TUS = 39°

Step-by-step explanation:

a:

According this is a Right Triangle ( BCA = 90°) and the sum angles of a triangle is 180° :

90+5x+9x+6=180

14x=84

x=6

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b :

Given that the size of the opposite angles to a vertex are equal and the sum of the interior angles of a triangle is 180 degrees, the size of all angles can be easily found.

8 0
2 years ago
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Bad White [126]

Answer:

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Step-by-step explanation:

Given the equation is x^2 -3 = -2x

Rewriting it in quadratic form as:- x^2 +2x -3 = 0.

a = 1, b = 2, c = -3.

Using Quadratic formula as follows:- x = ( -b ± √(b² -4ac) ) / (2a)

x = ( -2 ± √(4 -4*1*-3) ) / (2*1)

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8 0
3 years ago
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4 0
3 years ago
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Virty [35]

Answer:

Steve is 5

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Steves sister is 25, she is 5 years more than 4 times steve is.

5 * 4 = 20 and the sister is 5 years older so,

Steve is 5

6 0
3 years ago
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