toltecavsmaya toltecavsmaya

01-04-2015
Mathematics

contestada

If (−3.5, y) is a solution to the equation 2x − 5y = 10, what is the value of y?

a) -3.4
b) 13.75
c) -0.6
d) -3.75

Respuesta :

Panoyin Panoyin

02-04-2015

2x - 5y = 10
2(-3.5) - 5y = 10
-7 - 5y = 10
+7 +7
     -5y = 17
      -5    -5
      y = -3.4
The value of y is equal to A. -3.4.

Answer Link

Otras preguntas

Use the table to decipher Eduardo’s friend Fernando’s opinions about living quarters and decorating styles. Then create a blog entry from Fernando’s perspective

How did westward settlement and expansion impact the Mormons?

Please help me with this question

Given that ABCD is an isosceles trapezoid, find x and y. A. x = 7, y= 10 B. x = 15, y= 10 C. x = 15, y= 40 D. x = 7, y= 40

Kara is researching political parties in the united states. which source is likely to contain the most relevant information for kara's research?

what are the four main parts of the circulatory system?

The bacteria in a colony are unable to perform transduction. how would this hurt the bacterial colony's chance for survival?

plzzzzzzzzzzzzzzzzzz help

Suppose a bicycle was coasting on a level surface, and there was no friction. What would happen to the bicycle's speed? A. The speed would decrease but you w

Together, these maps prove that A. county-level votes for a state have no relationship to the candidate whom the electors of the state select B. a state’s elec