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erastovalidia [21]
3 years ago
8

If triangle abc is equilateral then triangle qrs is equilateral if triangle qrs is equilateral then triangle xyz is equilateral

you can conclude that if triangle ABC is equilateral then triangle xyz is equilateral?
Law of detachment or law of syllogism?
Mathematics
2 answers:
Wittaler [7]3 years ago
5 0
Hellllllllllllllllllp please we don't know the answer
eduard3 years ago
3 0

Answer:

Law of syllogism

Step-by-step explanation:

The law of syllogism says that it is a valid and true argument form of deductive logic.

In law of syllogism, there are three statements :

1. 1st Statement : If statement a, then statement b

2. 2nd Statement  : If statement b, then statement c

3. 3rd Statement  : If statement a, then statement c

Statements 1 and statement 2 is known as the premises of the argument. If the statements 1 and 2  are true, then the statement 3 must be the valid conclusion.

Therefore we can conclude that

1st Statement : If triangle abc is equilateral,(a) then triangle qrs is  equilateral, (b).

2nd Statement : If triangle qrs is equilateral,(b) then triangle xyz is equilateral,(c).

3rd Statement : If triangle ABC is equilateral,(a) then triangle xyz is equilateral,(c).

Thus this concludes that it is a law of syllogism.

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Julli [10]

Answer:

B

Step-by-step explanation:

distribute

5x+15-9x+4

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8 0
3 years ago
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Please explain with working!!! Find the set of values of x that satisfy the inequality 9x^2-15x&lt;6
Oksi-84 [34.3K]

Answer:

-1/3

Step-by-step explanation:

When solving a quadratic inequality, first solve it normally like you would for a normal quadratic equation. We have:

9x^2-15x

Ignore the less than sign and replace it with an equal sign and solve the quadratic for its zeros:

9x^2-15x=6

Subtract 6 from both sides:

9x^2-15x-6=0

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3x^2-5x-2=0

Factor. Find two numbers that equal (3)(-2)=-6 that add up to -5.

-6 and 1 works. Thus:

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Find the x using the Zero Product Property:

3x+1=0 \text{ or }x-2=0\\x=-1/3\text{ or }x=2

Now, we need to replace the equal signs with symbols again. To do so, we need to test which symbol to place. Let's do the first zero first.

So, the first zero is:

x=-1/3

Assume that the correct symbol is >. Thus,

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Now, pick any number that is greater than -1/3. I'll pick 0 since it's the easiest. Now, plug 0 back into the very original inequality. If it works, then the sign is correct, if it doesn't, then simply use the opposite one. Therefore:

9x^2-15x

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For the second one, do the same thing. We have:

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x

Again, pick any number less than 2. I'm going to use 0. Plug 0 back into the original equation

9x^2-15x

Again, this is correct. Therefore, x<2 is also the correct inequality.

So together, we have:

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Together, we can write them as:

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(Note that we don't need to worry about the "or equal to" part since the original inequality didn't have it.)

6 0
3 years ago
6. A two-story building measures 21 feet
Y_Kistochka [10]

Answer:

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7 0
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Answer:

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