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vovikov84 [41]
2 years ago
15

I would appreciate it if someone could help answer this problem:)

Mathematics
1 answer:
Vesna [10]2 years ago
4 0

Answer:

x = 85°

Step-by-step explanation:

As noticed this is a Pentagon (5 sided polygon); therefore to find x, first we have to find the sum of it's interior angles;

Sum of interior angles of a pentagon = (n - 2) * 180°

=> Sum of interior angles of a pentagon = (5 - 2) * 180°

=> Sum of interior angles of a pentagon = 3 * 180

=> Sum of interior angles of a pentagon = 540

Now that we know the sum of interior angles, we can set up the equation and solve for x;

115 + 95 + 115 + 130 + x = 540

455 + x = 540

x = 540 - 455

x = 85

Hope this helps!

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f(5/2) = -23(5/2) + 5

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<em><u>f(5/2) = -105/2</u></em>

<em><u /></em>

<em><u /></em>

Step 2:  Find f(52)

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Answer:

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Step-by-step explanation:

We need to factor the term (5x^5) - (80x^3)

First we can see that 5x^3 is common in both terms

So, taking 5x^3 common:

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We can write x^2-16 as (x)^2-(4)^2

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Now we can solve (x)^2-(4)^2 using the formula: a^2-b^2=(a+b)(a-b)

We can write:

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Answer: (x,y) \to (\dfrac12 x, \dfrac12 y)

Step-by-step explanation:

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