Seudónimo Seudónimo
  • 02-12-2014
  • Mathematics
contestada

Evaluate the expression, using the given value of the variable.

4 – 2x + 5x when x = 4

A.
–24

B.
–18

C.
16

D.
28

Respuesta :

luana
luana luana
  • 02-12-2014
[tex]4-2x+5x=\ \ \ \ | grouping\ numbers\\\\ 4+3x\ \ \ \ | substitute\ x=4\\\\ 4+3*4=4+12=16\\\\ Answer\ is\ C.[/tex]
Answer Link

Otras preguntas

Simplify the expression below -3(10x + 4y) + 6(6x − 2y)
1. Who was old Silenous and why might he have “lost his way”?
A rectangle has an area of 112cm. The length and width of the rectangle are changed by a scale factor of 1.5. What is the area of the new rectangle?
Can someone write an essay for me that’s due tomorrow
“… government of the people, by the people, for the people…” which type of government does abraham lincoln describe?
Which of the following led to the beginning of the Cold War between the Soviet Union and the US?
Multiply: (5 ft 6 in) 2.4
a hula hoop has a radius of 19 inches. what is the length of the arc subtending 1/4 of the hoop? A. 43.8 B. 14.9 C. 29.8 D. 59.7
Let B = [-1 3 6 -3]. Find -4B. a. [-4 12 24 -12] b. [4 3 6 -3] c. [-3 1 4 -5] d. [4 -12 -24 12]
In a point-by-point comparison, you