3 years ago

Find the value of the expression

1 answer:

8 0

Answer:

the value of the expression is 1

Step-by-step explanation: when you solve it step by step you get 1

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vagabundo [1.1K]

Answer:

Step-by-step explanation:

$\cos ~A=0.5=cos~60 \\A=60^\circ\\B=180-A=180-60=120\\\angle~B=120^\circ$

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3 years ago

d1i1m1o1n [39]

Answer: option D

Step-by-step explanation:

The formulae for standard error = standard deviation/√n

But population standard deviation = 1.8 and sample size = n = 81

Standard error = 1.8/√81 = 1.8/9 = 0.2

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3 years ago

Novay_Z [31]

Answer:

I need more context, can you take a screenshot of the actual question or something.

Step-by-step explanation:

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3 years ago

Vikentia [17]

A or C because you have to add some things but also divide.

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4 years ago

yKpoI14uk [10]

Answer:

have a great day

god is great

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3 years ago