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s344n2d4d5 [400]
3 years ago
8

BRAINLIEST FOR THE CORRECT AWNSER!! PLEASE PUT THE LETTER AWNSER AND EXPLAIN DO NOT LIE THANK YOU What is the goal of a proof by

contradiction? A. The contradiction of the statement is proven false, so the original statement is therefore proven true. B. The contradiction of the statement cannot be determined, so the proof is invalid. C. The truth of the statement cannot be determined, so the proof is invalid. D. The contradiction of the statement is proven true, so the original statement is therefore proven false.
Mathematics
2 answers:
alekssr [168]3 years ago
8 0

Answer:A

Step-by-step explanation: because what we seem to see is the opposite is true.

babymother [125]3 years ago
7 0

Answer:

A

Step-by-step explanation:

We assume the opposite and then get to a point where we get a false statement. That proves that the the opposite of the opposite (What we originally wanted to prove) is true.

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PLZZZZZZZZZZZZZZZZZZZZZZZZZ HELP!!!
NISA [10]

Answer:

Step-by-step explanation:

Instead of dividing both sides by 5, it is multiplied

5x + 3 = 6            {Subtract 3 from both sides}

5x + 3 - 3 = 6-3

            5x = 3       {Divide both sides by 5}

           5x/5 = 3/5

                 x = 3/5

8 0
2 years ago
All of the following are examples of essay types that colleges typically aska student to write except O A. essays about you. B.
Nataliya [291]

Answer: C. essays about work experience

Step-by-step explanation: I would chose C because when you apply for a job you are asked to write and an essay on your work experience. But in college, you are no applying for a job.

7 0
3 years ago
How many gallons of a 90% antifreeze solution must be mixed with 100 gallons of 30% antifreeze to get a mixture that is 80% anti
Grace [21]
The answer for this question would be 30%
7 0
3 years ago
-3 (y-5)=24<br> Please explain how you get y
vazorg [7]
So you use the distributive property. so, -3y+15=24
-3y=9
y=-3
6 0
3 years ago
Read 2 more answers
Which composition of similarity transformations maps polygon ABCD to polygon A'B'C'D'?
Elina [12.6K]
Hey there!

Unless the smaller object was rotated 360° (in which case the rotation wouldn't have to be mentioned), you can see that all of the lines are still in the same place and that it wasn't rotated at all. This eliminated any answer option that mentions a rotation, which is A and C. 

Also, if you count the units of one of the straight lines – for example, line AB and A'B' – you can see that the smaller object is four times smaller than the larger object. In the case of line AB and A'B', line AB is 8 units long and A'B' is 2 units long. This means that the scale factor is \frac{1}{4}. 

Lastly, the smaller object was moved from its initial location, which would be in the center of the larger object if it wasn't moved after being scaled down. 

The answer will be B, "a dilation with a scale factor of \frac{1}{4} and then a translation."

Hope this helped you out! :-)
5 0
3 years ago
Read 2 more answers
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