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Helen [10]
3 years ago
8

For the data set 7 ,5,10,11,12

Mathematics
2 answers:
rosijanka [135]3 years ago
7 0

Answer:

Standard deviation =2.6

Step-by-step explanation:

Using the formula given

S = √((1/n-1)∑(x-x⁻)²)

n = 5

∑(x-x⁻)² = 34

Therefore;

s = √(1/5(34)

  = √6.8

<u>  = 2.6 </u>

The standard deviation will be 2.6

AfilCa [17]3 years ago
5 0

Answer: 2.9 just did it on apex 6/8/2019

Step-by-step explanation:

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2x +5y=10 writing equations in slope intercept form
rosijanka [135]
Answer: y=-2/5x+2

Solving Steps:
2x+5y=10 - Move the variable to the right
5y=10-2x - Divide both sides by five
y=2-2/5x - Reorder the terms
y=-2/5x+2
7 0
3 years ago
The apothem is 3V3 units because it is
Reika [66]

Answer:

Opposite the 60-degree angle.

Step-by-step explanation:

5 0
3 years ago
Bradley cut a square hole out of a block of wood in wood shop. if the block was cube-shaped with side lengths of 8 inches, and t
borishaifa [10]
8^3-3^3
512-27
485 cubic inches
3 0
3 years ago
Solve for x in the given equation: ax - b = c
lord [1]

An equation is formed of two equal expressions. The value of x is the equation ax-b=c is (c+b)/(a).

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

The solution of x in the given equation can be written as,

ax - b = c\\\\ax = c+b\\\\x = \dfrac{c+b}{a}

Hence, the value of x is the equation ax-b=c is (c+b)/(a).

Learn more about Equation:

brainly.com/question/2263981

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5 0
2 years ago
The length of a rectangular poster is 9 more inches than two times its width. The area of the poster is 161 square inches. Solve
irinina [24]

Answer:

<u>Width = 7 inches</u>

<u>Length = 23 inches</u>

Step-by-step explanation:

Let :

  • length = 2x + 9
  • width = x

Equating to area :

  • (2x + 9)(x) = 161
  • 2x² + 9x = 161
  • 2x² + 9x - 161 = 0
  • 2x² - 14x + 23x - 161 = 0
  • 2x(x - 7) + 23(x - 7) = 0
  • x - 7 = 0
  • x = 7

Dimensions are :

  • <u>Width = 7 inches</u>
  • Length = 2(7) + 9
  • <u>Length = 23 inches</u>
8 0
2 years ago
Read 2 more answers
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