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gulaghasi [49]
3 years ago
15

|x+1|>8 absolute value equations and inequalities

Mathematics
1 answer:
Pepsi [2]3 years ago
7 0

x < -9 or x > 7

x + 1 < -8

x < -9

x + 1 > 8

x > 7

... when the inequality sign is facing the x, x is GREATER and it resembles an OR statement.  I personally like to think of it as: greater than (greatOR than) = or statement; less than (less thAND) = and statement.

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Choose the Δ that seems to be congruent to the given one. [D - top left] [C - top right] [E - center] [A - bottom left] [B - bot
neonofarm [45]

Answer:

Δ BEC ≅ Δ AED

Step-by-step explanation:

Consider triangles BCA and ADB. Each of them share a common side, AB. Respectively each we should be able to tell that AD is congruent to BC, and DB is congruent to CA, so by SSS the triangles should be congruent.

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So another possibility is triangles BEC, and AED. As you can see, by the Vertical Angles Theorem m∠BEC = m∠ADE, resulting in the congruency of an angle, rather a side. As mentioned before AD is congruent to BC, and perhaps another side is congruent to another in the same triangle. It should be then, by SSA that the triangles are congruent - but that is not an option. SSA does is one of the exceptions, a rule that is not permitted to make the triangles congruent. Therefore, it is highly unlikely that triangles BEC and AED are congruent, but that is what our solution, comparative to the rest.

Δ BEC ≅ Δ AED .... this is our solution

7 0
3 years ago
Can someone help me with this
11Alexandr11 [23.1K]

-6 + x = -7

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x = -1, is the answer.

Hope this helps! Let me know if you have any other questions related to this problem. :)

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Choose the point-slope form of the equation of this line.​
igor_vitrenko [27]

Answer:

y= -5x +7

Step-by-step explanation:

We can see points on the graph:

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The function in general form is:

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Let's find the slope and y-intercept as per identified points on the graph:

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b= y- mx

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Based on the found values of m and b, the given line is:

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4 0
3 years ago
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madam [21]

Answer: it’s acute

Step-by-step explanation:

7 0
3 years ago
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