Litel4lJ2essicassLad Litel4lJ2essicassLad

08-12-2016
Mathematics

contestada

Using complete sentences, write an indirect proof proving that if x=30, then 3/4x+5≠20 (3/4 being three over four)

Respuesta :

MissPhiladelphia MissPhiladelphia

11-12-2016

hypothesis :-
if x=30, then 3/4x+5≠20
let Q:- x=30 P:- 3/4x+5≠20
we need to prove if Q then P (Q →P)

proof :-
lets assume 34x+5=20 is true
now x=30
so
3/4(30)+5=27.5 ≠20
which is a contradiction

proved ^

Answer Link

Otras preguntas

Solve the equation by square roots 6(x+3)^2-4=26

A boy throws a ball straight up with a speed of 21.5 m/s. The ball has a mass of 0.19 kg. How much gravitational potential energy will the ball have at the top

Monica has a triangular piece of fabric. The height of the triangle is 27 inches and the triangle's base is 18 inches. Monica says that the area of the fabric i

what is the answer s.

Find (-4) for f(x) = 9(3)^x A. -108 B. 1/3 C. -729 D. 1/9

The number of texts per day by students in a class is normally distributed with a mean of 130 texts and a standard deviation of 20 texts. Identify all true sta

F=ma is the formula for force. So how would I solve for m?

In a good budget, the first thing you should deduct for is: savings wants tithe

Which event is most likely to lead to a heat wave? A. A high-pressure system lingering over an area B. A warm, moist air mass moving over a cooler air mass C. A

which of these inventors most directly contributed to changing the way people function during the evening