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tankabanditka [31]
3 years ago
8

Can somebody help me?

Mathematics
1 answer:
Advocard [28]3 years ago
4 0

Answer:

I believe there are 4.

Step-by-step explanation:

Verticle angles- 2 angles whose sides are opposite rays. For example "X" has 4 verticle angles. There are two "X"'s in the diagram therefore 8 verticle angles are provided! However the question says how many pairs. There are 4 pairs, there fore there are 4 verticle angle PAIRS.

Hope I could help! :))))

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Please give the answer
Alex

Step-by-step explanation:

<u><em>f(a):</em></u>

   So for this you simply plug in "a" as x, and this doesn't really do anything beside replace all values with x, so you just have the equation:

  f(a) = 5a+4

<u><em>2 f(a):</em></u>

   So for this one, you want to represent f(a) using the equation it's equal to (5a + 4), and substitute it in for f(a). In doing so, you get the expression:

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<u><em>f(2a):</em></u>

   So this is very similar to the first question, although you will have to do some multiplication. So just plug in 2a as "x" to get the equation:

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<u><em>f(a+2):</em></u>

   Basically the same process, you plug in (a+2) as "x" and simplify:

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<u><em>f(a) + f(2)</em></u>:

  This is similar to the second question, and you simply want to replace the f(a) with the equation that represents it (5a + 4) and same thing for f(2) = 5(2) + 4

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