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3 years ago

Blocking in experimental design is useful because it:

Mathematics

2 answers:

umka21 [38]3 years ago

8 0

Answer:

Experimental design is the process of attaining specified objectives through a properly planned study. Planning an experiment properly is very important because it will give the right type of data and a sufficient sample size. Blocking or randomization is useful because it controls for multiple variables in an experiment.

MrMuchimi3 years ago

7 0

The correct awnser is B. APEX

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Find the propertyof real numbers illustrated by the equation -4(x+4)=-4x-16

asambeis [7]

Answer:

distributive property of multiplication over addition

Step-by-step explanation:

The distributive property of multiplication over addition:

a(b + c) = ab + ac

You have

-4(x + 4) = -4x - 16

which is an application of that property.

Answer: distributive property of multiplication over addition

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3 years ago

Find the Area of the shape<br> (Area of Composite Shapes)

Sloan [31]

Answer:

223.5 Km

Step-by-step explanation:

Area = Length x Width

Solving for Square Shape

8 · 6 = 48 km

Area = Length x Width

Solving for Rectangle Shape

9 · 14 = 126 km

Area = Length x Width ÷ 2

Solving for Triangle Shape

11 · 9 = 99 ÷ 2 = 49.5 Km

48 + 126 + 49.5 = 223.5 Km

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3 years ago

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Vicki puts 10 books on a shelf.

nadezda [96]

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3 years ago

For the function f(x)= 1/x , which of these could be a value of f(x) when x is close to zero?

mr_godi [17]

If you could give the list of the answer options that would be helpful.

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4 years ago

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Which shape is always an isosceles triangle?

Lady_Fox [76]

Only triangles , there isosceles if they both have two congruent sides & angles !

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3 years ago