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Firlakuza [10]
3 years ago
13

Can someone please help me on these two math questions

Mathematics
2 answers:
PolarNik [594]3 years ago
5 0

Answer:

Step-by-step explanation:

Left Picture

You have two conditions here.

On the left is -6 > x.

Minus six is not part of the system.

On the right you have x≥3. The three is part of the inequality.

The answer should be -6 > x or x≥3

So the answer should be B

Right Picture

A is close, but because the endpoint is open, -5 is not part of the solution.

Don't choose A.

B has two closed ends.

-5 ≤ x ≤ 0 So this is one choice.

C

- 5 > x but - 5 is an endpoint that is not included in the inequality because the end marker is open. Don't choose C

D

The two end points are both open but it does not matter. -5 is between those two endpoints and therefore is included in the line segment. -7<x<1

So the answer is B and D

larisa [96]3 years ago
3 0

Answer:

○ x < 6 OR x ≥ 3

Step-by-step explanation:

Everything to the left of <em>negative six </em>is less, PLUS an OPENED CIRCLE, so it is <em>less than</em><em>,</em><em> </em>NOT<em> </em><em>less</em><em> </em><em>than</em><em> </em><em>or</em><em> </em><em>equal to</em><em>.</em><em> </em>Everything to the right of <em>three</em><em> </em>is great, PLUS a CLOSED CIRCLE, so it is <em>greater</em><em> </em><em>than</em><em> </em><em>or</em><em> </em><em>equal</em><em> </em><em>to</em><em>,</em><em> </em>NOT <em>greater</em><em> </em><em>than</em><em>.</em>

I am joyous to assist you anytime.

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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kolbaska11 [484]

Answer:

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Step-by-step explanation:

Since x^2 + 2x and 3x + 20 both equal to y, we know that the expressions equal to each other. We can write a new equation base on that.

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