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Ray Of Light [21]
3 years ago
6

Which term best describes a proof in which you assume the opposite of what you want to prove? A. Proof by syllogism B. Proof by

contradiction C. Proof by contrapositive D. Proof by converse
Mathematics
2 answers:
Vilka [71]3 years ago
8 0
That is Proof by Contradiction.
The famous one is  the proof of the square root of 2 is irrational . First done by Euclid
Fed [463]3 years ago
8 0

Answer: B. Proof by contradiction

Step-by-step explanation:

  • A proof by contradiction states the truth of a given statement by the assuming that it is false and following by finding a conclusion that is contradictory to the given proposition that is proven to be true.

Hence, the term best describes a proof in which we assume the opposite of what we want to prove is "Proof by contradiction ".

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3.<br> QR<br> find the arc length<br> 02.83<br> 021.99<br> O 12.57<br> 0 34.56
jeka94
Your answer should be 12.57
8 0
2 years ago
If g(x) = 5x2^2 - 10x + 9 and h(x) = -3x3^3+ 5x - 6, find g(x) - h(x)?
AnnZ [28]

Answer:

B)g(x) - h(x) =  3x^3 - 5x^2 - 15x + 15

Step-by-step explanation:

Here, the given functions are:

g(x) = 5x^2- 10x + 9 \\h(x) = -3x^3+ 5x - 6

Now, g(x) - h(x) is : 

(5x^2- 10x + 9)  - ( -3x^3+ 5x - 6)\\= 5x^2- 10x + 9 + 3x^3 - 5x + 6\\= 3x ^3 + 5x ^2+  (-10 x - 5 x) + (9 + 6)\\= 3x^3 - 5x^2 - 15x + 15

⇒(5x^2- 10x + 9)  - ( -3x^3+ 5x - 6) =  3x^3 - 5x^2 - 15x + 15

B) Hence, g(x) - h(x) =  3x^3 - 5x^2 - 15x + 15

3 0
3 years ago
Work out the percentage change when a price of £20 is increased to £22.
pav-90 [236]

Answer:

Step-by-step explanation:

20 increased to 22

20/22= 10%

10% of 20.00 is $2.00

2+20 = 22

8 0
3 years ago
Read 2 more answers
What’s 3 times 6 over 7 **MULTIPLY
Amanda [17]

Would it be 2.5??? I think it would but not completely sure

7 0
3 years ago
Read 2 more answers
PLEASE HELP WITH QUESTION C
GalinKa [24]

Answer:

Discount: 25%

Tax: 6.5%

Step-by-step explanation:

Percentage of discount:

x/100 = 10/39.99 (what percentage is 10 of 39.99) (%/100=is/of)

= 25%

Percentage of tax:

x/100 = 1.95/29.99

= 6.5%

8 0
2 years ago
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