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2 years ago

HELP ME PLEASE HELP PLEASE HELP

Mathematics

1 answer:

Marina86 [1]2 years ago

5 0

Answer:

c= $\sqrt{12}$ or c=3.46410161514

Step-by-step explanation:

Use Pythagoras theorem: a²=b²+c², where a is the side opposite the right angle, and b and c are the other sides:

a²=b²+c²

4²=2²+c²

16=4+c²

c²=12

c= $\sqrt{12}$ or c=3.46410161514

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2 years ago

Read 2 more answers

What sign of a null hypothesis must always include?

IrinaVladis [17]

Answer:

Option d - Equality

Step-by-step explanation:

To find : What sign of a null hypothesis must always include?

Solution :

The Null hypothesis is defined as a statement about the population that either is believed to be true or is used to put forth an argument unless it can be shown to be incorrect beyond a reasonable doubt.

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