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djyliett [7]
2 years ago
11

I need help on this equation, it’s solutions to inequalities. I need explanation on why it’s that answer, plz, thx

Mathematics
1 answer:
SVEN [57.7K]2 years ago
5 0

Answer:

k=69

Step-by-step explanation:

(plug in 69 instead of k)

69/3 = 23.

23+1=24

The ≥ sign means 21 has to be GREATER or EQUAL to 17.

Is it?

24≥17?

YES!

So, it works out.

Hope this helps.

If you still don't get it, just ask again, I'll explain it in more detail.

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\displaystyle \rm  A_{ \text{c  - pentagon}} =41

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we have a square and a triangle

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\displaystyle \rm  A_{ \text{c  - pentagon}} = A_{ \text{squre}} - A_{ \text{triangle}}

let's figure out A_{\rm square}:

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\displaystyle A _{ \rm triangle} =  \frac{1}{2}  \times 4 \times 4

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simplify multiplication:

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\displaystyle A _{ \rm squre} =  {s}^{2}

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\displaystyle A _{ \rm squre} =  {7}^{2}

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\displaystyle h =  \sqrt{ {4}^{2}   +  {4}^{2} }

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3 years ago
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