miracleminecraf
miracleminecraf miracleminecraf
  • 22-09-2017
  • Mathematics
contestada

Can you find the sum [5.5+ (-2.3)] + (-5.5+2.3) without performing any additions?

Respuesta :

Riley491 Riley491
  • 22-09-2017
Yes
[5.5+(-2.3)] can be rearranged to be 5.5-2.3. It will be 3.2
(-5.5+2.3) can be rearranged to be 2.3-5.5. It will be -3.2
3.2-3.2=0
Answer Link

Otras preguntas

When 5/8x+1 1/3 is subtracted from 1 1/4x-5 1/6,the result is? Show work please...
what is the answer to 1/4 + 1/2
What does Buddha mean?
Simplify 9 square root 245
how did the production of goods such as clothing and furniture change in the late 1800's?
Sketch the graph of f(x) =x(1-x) over[0,1] . Refer to the graph and, without making any computations, find: a. The average rate of change over [0,1] b. Th
Which of the following exerts the greatest pressure on the ground? 1. a 35-kg boy standing on one foot 2. a 55-kg boy standing on one foot 3. a 35-kg boy stand
Which of the following is not a characteristic of primates? a. binocular vision b. walking upright c. flexible shoulders d. opposable thumbs
Suppose that the functions s and t are defined for all real numbers x as follows. s(x) = 2x+4 t(x) = 5x Write the expressions for (s+t)(x) and (s-t)(x) and eva
How could you use multiplication to find 7+7+7?