3 years ago

Hey! Some easy points people. Is this a polygon and what shapes would be a polygon and why?

1 answer:

6 0

Yes it is a polygon because it have at least 3 or more straight lines that connect. For example a triangle and a square. But a non-polygon is a circle or a 3-d object.

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Solve <br> 28 - K _> 7(K - 4)

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Answer:

Solving the inequality $28-K\geq 7(K-4)$ , we get $\mathbf{K\leq 7}$

Step-by-step explanation:

We need to solve the inequality $28-K\geq 7(K-4)$

Using the BODMAS rule, first we will solve the bracket:

$28-K\geq 7(K-4)\\28-K\geq 7K-28$

Now, we will subtract 28 from both sides

$28-K-28\geq 7K-28-28\\-K\geq 7K-56$

Subtracting -7k on both sides

$-K-7K\geq 7K-56-7K\\-8k\geq -56$

Finally, divide both sides by -8 and inverse the inequality, as we are dividing with a minus digit.

$\frac{-8K}{-8}\leq \frac{-56}{-8}\\K\leq 7$

So, solving the inequality $28-K\geq 7(K-4)$ we get $\mathbf{K\leq 7}$

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8-1(x-y)=-3x+5 in standard form

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Standard form is
ax+by=c
get all x and y on one side

first distribute
-1(x-y)=-x+y

now weh have
8-x+y=-3x+5
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