allureohicks allureohicks
  • 21-09-2021
  • Mathematics
contestada

1. Evaluate the expression -6.3a +2(a - b) for a = -2 and b = 1.1.

0 12.6

10.8

18.8

6.4

Respuesta :

jcherry99
jcherry99 jcherry99
  • 21-09-2021

Answer:

D or 6.4

Step-by-step explanation:

-6.3*(-2) + 2(-2 - 1.1)

- 6.3 * - 2 = 12.6 Notice that the two minus signs become a +

(-2 - 1.1)= (-3.1)   Multiply -3.1 * 2 = - 6.2

12.6 - 6.2 = 6.4

Answer Link

Otras preguntas

Question 1 with 5 blanksMIREYA Chela, ¿(1) You answered(blank)? CHELA El libro de periodismo está encima de la mesa. MIREYA Gracias. Necesito preparar la tarea
Which branches were missing under the Articles?
What problem resulted from the weakness of not being able to regulate interstate trade?
which sentence has the correct subject verb agreement? a) rain during thunderstorms fall quite rapidly b) rain during thunderstorms falls quite rapidly
Choose one of the composers discussed in the lesson and listen to some of his work. which pieces did you listen to? how would you describe these pieces of music
What is the Senate's only defense to a filibuster? calling a recess invoking cloture ending the session ignoring the person
Which compromise established that territory from the Louisiana Purchase above 36°30' would be free from slavery?
What is a covalent bond​
-4[tex] \sqrt{16x8 = } [/tex]​
If A/B and C/D are rational expressions, then which of the following is true?