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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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Molly charges an hourly fee to watch a pet plus an initial fee
Luden [163]

Answer:

he has 140 chickens because he has 10 times more chickens than ducks and he has 14 ducks so 14*10=140

Step-by-step explanation:

6 0
3 years ago
John is parasailing 350 ft away from the boat that pulls him. suppose he is lifted 400 feet into the air. Find the length of the
ohaa [14]
John
| \
| \
|. \
|. \
(a)400ft
|. \
|. \
|. \(c) length of rope
|. \
|. \
|____________________Boat
350 ft (b)

Pythagorean theorem
a-squared + b-squared = c-squared
400-squared + 350-squared = c-squared
160,000 + 122,500 = c- squared
282,500 = c-squared
Now take the square root of each side of the equation
531.5 = c
The length of the rope is 531.5 feet
7 0
3 years ago
Find the value of x. Round your answer to the nearest tenth.
skad [1K]

Answer:

x = 9.7

Step-by-step explanation:

Reference angle (θ) = 68°

Opposite = 24

Adjacent = x

Apply, the trigonometric function, TOA which is:

tan (/theta) = \frac{Opp}{Adj}

Plug in the values

tan 68 = \frac{24}{x}

Multiply both sides by x

x*tan 68 = 24

Divide both sides by tan 68

x = \frac{24}{tan 68}

x = 9.69662942

x = 9.7 (nearest tenth)

8 0
3 years ago
Two step Equations <br> -2x-3=5
tatyana61 [14]

Answer:

X = -4

Step-by-step explanation:

-2 times -4 is 8. 8 - 3 is 5.

4 0
3 years ago
Read 2 more answers
of the last 18 trains to arrive at law station 16 were on time what is the experimental probability that the next train to arriv
gregori [183]

Answer:

there would be about 5/6 chance

Step-by-step explanation:

7 0
3 years ago
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