amyflorida778 amyflorida778
  • 02-06-2021
  • Mathematics
contestada

which of the following statements is not always true?

a + (-b ) = -b + a

(a + b) + (-c) = a + [b + (-c)]

-(-a) = a

a - (-b) = (-b) -a

Respuesta :

sofiahemed22
sofiahemed22 sofiahemed22
  • 02-06-2021

Step-by-step explanation:

The answer is a - (-b) = (-b) - a

for example if we take;

a = 4

b = 2

c = 2

and we replace;

4 - ( -2) = (-2) - 4

6 = -6

which is not true....

All the remaining are true....

even u can just use the values of abc and check if its true....

Answer Link

Otras preguntas

What state became part of Germany in 1871?
What it trials biking
what is the number in standard form? 7.053×106 a.7,053,000 b.70,530,000 c.705,300,000 d.7,053,000,000
Which of the following is an example of an organism maintaining homeostasis? A. a boy riding a bike B. a cat grooming itself C. a bear nursing her cubs D.
alyssa said that 6/8 and 9/12 are not equivalent because there is no whole number you can multiply both parts of 6/8 by to get 9/12 is she correct explain
what is the least common multiple of 10 15 25
product of -3x(5x 1)
What was the significance of the Bronze Age?
rearrange the formula v = u at for t.
3. If P (A) = 0.2 and P (B) = 0.3 and A and B are disjoint, what is P (A or B)? 0.00 0.06 0.10 0.44 0.50 4. Given that you roll a fair six-sided die, what i