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2 years ago

A figure is shown. What is the measure of ZA, in degrees?

Mathematics

2 answers:

Sever21 [200]2 years ago

6 0

Answer:

<h2> THE answer to this is 58.9 as it is the result of 180-121.1</h2>

Please, I would appreciate it!

<h2>Also, if you can try to check our educational channel called Evimero Academy</h2>

adoni [48]2 years ago

4 0

Answer:

A = 58.9 degrees

Step-by-step explanation:

straight line angles add up to 180 degrees

121.1 + A = 180

A = 180 - 121.1

A = 58.9 degrees

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3 years ago

The 17th term of an Arithmetic sequence is 51. If the commons difference is 7, what is the first term ?

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The first term is:

$a_1=-61$

Step-by-step explanation:

The arithmetic sequence is defined by

$a_n=a_1+\left(n-1\right)d$

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$d$ is the common difference

the 17th term of an arithmetic sequence is 51.

i.e. $a_{17}=51$

$a_n=a_1+\left(n-1\right)d$

$a_{17}=a_1+\left(17-1\right)d$

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