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scoray [572]
3 years ago
10

Graeco-Latin Square is a form of blocking by one variable. a form of blocking by four variables. a form of blocking by three var

iables. a form of blocking by two variables.
Mathematics
1 answer:
antoniya [11.8K]3 years ago
8 0

Answer:

A form of blocking by three variables.

Step-by-step explanation:

Graeco-Latin square design is a special type of comparative design.

Graeco-Latin square design uses 3 blocking variables unlike the 2 blocking variable as used by the standard Latin square design.

In this square design of experiment, the experimental units are grouped into three different ways.

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What is the area, in square units, of the polygon shown here?
WITCHER [35]
You just need to break it into parts. The first rectangle is the tall one. To find the area of this one, just multiply the tall side by the short side on top.

8 x 2 = 16

The second rectangle is the long one on the bottom. If the whole bottom side is 5 units, then you need to subtract 2 from that. 

3 x 1 = 3

16 + 3 = 19 units, so the area of the entire shape would be 19 units^2. Hope this helps! :)

~Ash
5 0
3 years ago
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How is 6/12 equivalent to 1/12
telo118 [61]
It is not. 

6/12≠1/12

Say you where having a party and brought 2 one dozen boxes of cupcakes. After the party was over, you look in the first box and find 6 of the twelve cupcakes left. You look in the second box and find 1 of the twelve cupcakes left. The number of cupcakes left in each box isn't the same. The two fractions aren't equivalent.
8 0
3 years ago
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Help please, will give lots of points!
Troyanec [42]

Step-by-step explanation:

roots as exponents are fractions

if there is no root number next to the radical sign its assumed that its 1/2

3√2 is 2^(1/3)

√3 is 3^(1/2)

4√3 is 3^(1/4)

5√2 is 2^(1/5)

8 0
2 years ago
Find an equation of the parabola with focus (2, −3) and directrix y = 1.
Likurg_2 [28]

Answer:

Step-by-step explanation:

The correct option is option (C).

The required equation of the parabola is

Step-by-step explanation:

Formula:

The distance of a point (x₁,y₁) from a line ax+by+c=0 is

.

The distance between two points (x₁,y₁) and (x₂,y₂) is

Given that, the focus of the parabola is (2,3) and directrix y= - 1.

We know that, a parabola is the locus of points that equidistant from the directrix and the focus.

Let any point on the parabola be  P(x,y)  .

The distance of P from the directrix is

           

=y+1

The distance of the point P from the focus (2,3) is

According to the problem,

 

The required equation of the parabola is

5 0
3 years ago
the length of a rectangle is 4 unit less than the width. which expression represents the perimeter of the rectangle
WINSTONCH [101]

Answer:

Length: 11

Width: 5

Step-by-step explanation:

Let W = width

Let L = length

 

Length is 4 less than 3 times the width  ==>  L = 3*W - 4  

 

Let P = Perimeter = 2*W + 2*L

 

Perimeter is 22 more than twice the width  ==>  P = 2*W + 22

 

Setting the 2 expressions for the perimeter equal to each other gives  

 

2*W + 2*L = 2*W + 22

2*L = 22

L = 11  

 

So 11 = 3*W - 4

3*W = 15

W = 5

 

The length is 11 and the width is 5  

 

Check:  3*W - 4 = 11 = Length

           Perimeter = 32 = 22 more than 2*5 = 10

3 0
3 years ago
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