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slega [8]
4 years ago
14

What is the variance of the value 7, 15, 11, 1, 11

Mathematics
1 answer:
ella [17]4 years ago
8 0
The variance of the value 7,15,11,1,11 is 22.4
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I need help with properties of rhombus, rectangles and squares ​
Montano1993 [528]

Answer:

  • ∠ROK = 36°
  • ∠CKO = 96°
  • ∠C = 60°

Step-by-step explanation:

The same-side angles at each base are supplementary, so ...

  ∠ROC = 180° -120° = 60°

Because the trapezoid is isosceles, 60° also the measure of ∠C.

The angle sum theorem tells you ...

  ∠COK +∠ROK = ∠ROC

  24° + ∠ROK = 60°

  ∠ROK = 36° . . . . . . subtract 24°

__

The sum of angles in ΔCKO is 180°, so ...

  ∠C +∠COK +∠CKO = 180°

  60° +24° +∠CKO = 180°

  ∠CKO = 96° . . . . . . . . . . . . . subtract 84°

6 0
3 years ago
An employee ‘s hourly raise went up from $10 per hour to to $12 per hour . What is the rate of increase
Snowcat [4.5K]

20% increase

the percent increase = \frac{increase}{original} × 100%

increase = $12 - $10 = 2$

increase = \frac{2}{10} × 100% = 20%


4 0
3 years ago
5+x+(−2)=−85+x+(−2)=−8<br><br><br> x=?
sashaice [31]
5+x+(-2)=-85+x+(-2)=-8\\&#10;x-3=x-87=-8
x has no solution.
5 0
3 years ago
Which of the following equations have infinitely many solutions? Choose all answers that apply: A 6x + 35 = –60 – 35 -6x + 35 =
frozen [14]

Answer:

The answer is C because they have the same coefficient and variable on both sides (or something like that but its definitely c )

5 0
2 years ago
What is 4/p = 11/2 plz help :)
makkiz [27]
Cross multiply
4/p=11/2
(4)*(2)=11*p
8=11p
Flip the equation
11p=8
Divide both sides by 11
11p/11=8/11
p=8/11
hope this helps!
5 0
3 years ago
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